Peter W Dahl Transformers PWDAHL Series

Magnetics for Amateur Radio Products

This listing of transformers and chokes is directly from the Peter W. Dahl files. They are arranged in alpha-numeric order beginning with AAA and ending with 999.

NOTE: Be very careful when selecting a part if you are located outside of North America. Most parts are only listed for 60 Hz usage. If you need 50 Hz, make sure it says 50/60 Hz. 

These transformers are usually built to order one at a time.  Units we have already built are shown with Hammond part numbers.  If you do not see a part number listed - remember that many of these designs are now decades old - a few may have been originally designed using "unobtainium." It is always best to confirm availability by phone or e-mail.

Some Hipersil C-Core models (Style #8, #9 & #10) need to be quoted by our office (due to constant changes & high minimum charges imposed by current C-Core suppliers). We are constantly updating pricing as we quote and/or build units. Most "E-I" lamination units are normally shipped in our 6 week lead time.

Stock units can usually be shipped next business day!

Description Hammond Part Number Core Style (see above) Primary Secondary Approx. Weight (lbs)
ALPHA 76A POWER TRANSFORMER
FOR ALPHA MODELS 76A, 76PA, 76CA & 78
PWDP13139 B-0393/ C-CORE 10 120/240 VAC 60 HZ 1 PH S1) 0-1200-1950 VAC @ 0.5A CCS
S2) 40 VCT @ 0.5A CCS
S3) 25 VAC @ 1A CCS
S4) 6.3 VAC @ 9.6A CCS
23
ALPHA 76A-2 POWER XFMR
SPECIAL HEAVY DUTY 3CX800A7'S VERSION
PWDP13047 B-0393/ C-CORE 10 120/240 VAC 60 HZ 1 PH S1) 0-1200-1950 VAC @ 0.5A CCS
S2) 40 VCT @ 0.5A CCS
S3) 25 VAC @ 1A CCS
S4) 13.5 VAC @ 3.0A CCS
23
ALPHA A77 POWER XFMR
FOR ORIGINAL ETO PA-77 LINEAR AMPLIFIER
PWDP13069 A-0393/ C-CORE 10 120/240 VAC 60 HZ 1 PH S1) 0-1800-2800 VAC @ 0.7A ICAS
S2) 0-22-66 VAC @ 0.5A CCS
S3) 5.0 VAC @ 10A CCS
23
ALPHA 87 POWER TRANSFORMER - REV K (NOT THE SAME AS THE ALPHA 87a)
ALPHA POWER P/N TPX-X133
PWDP13140 A-0516/ C-CORE 9 0-200-220-240 VAC 50/60 HZ 1 PH S1) 0-1280-1900 VAC @ 1.5A CCS
S2) 7.8 VAC @ 4A CCS
S3) 14.45 VAC @ 3A CCS
S4) 52 VCT @ 3.5A CCS
33
ALPHA POWER P/N TPX-X168
ALPHA 91b AND 99 POWER TRANSFORMER
PWDP13049 A-0516/ C-CORE 9 0-100-120 & 0-100-120 VAC 50/60 HZ 1 PH S1) 0-2050 VAC @ 1.5A CCS
S2) 105 VAC @ 0.5A CCS
S3) 310 VAC @ 0.5A CCS
S4) 28 VCT @ 3.0A CCS
S5) 13.3 VAC @ 7.2A CCS
37
MODIFIED AMERITRON AL-80A HD POWER
SPECIAL HV MODEL FOR FWB&CAP (4000 VDC)
NO 5V OR 13.8V WINDINGS
PWDP13242 EI-175 X 4" 29G M6X 4 240 VAC 60 HZ 1 PH S1) 2900 VAC @ 600 MA ICAS 24
AMERITRON P/N AR418-1D
AL-1200 / AL-82 PLATE TRANSFORMER
PWDP13010 A-0274/ C-CORE 10 0-120 & 0-100-120 VAC 60 HZ 1PH 2570 VAC @ 800 MA ICAS 37
AMP SUPPLY #LK-450 POWER
PLATE & FIL XFMR FOR SINGLE 3-500Z
PWDP13134 EI-175 X 2.5" 29GAM6 4 120/240 VAC 60 HZ 1 PH S1) 2080 VAC @ 0.4A ICAS
S2) 5.5 VCT @ 15A CCS
S3) 11 VAC @ 2A CCS
17
AMP SUPPLY #LK-500F-1
FILAMENT TRANSFORMER FOR LK-500 AMP
PWDF13229 EI-150 X 1.5 4 115/230 VAC 60 HZ 1PH 0S1) 5.5 VCT @ 30A CCS 8
AMP SUPPLY #LK-800F-1 PWDP13080 EI-150 X 1.5 4 117/234 VAC 60 Hz 1PH S1) 13.6 VAC @ 9A
S2) 0-10-18 VAC @ 2A
8
AMP SUPPLY #LK-800F-1 (with C.T on 13.6 VAC winding) PWDP13093 EI-150 X 1.5 4 117/234 VAC 60 Hz 1PH S1) 13.6 VAC @ 9A - with C.T.
S2) 0-10-18 VAC @ 2A
8
B&W PT2500A ER FILAMENT XFMR
EXACT REPLACEMENT TRANSFORMER
PWDF13103 EI-125 X 2" 29GAM6X 2 15/230 VAC 60 HZ 1 PH S1) 90 VAC @ 60 MA CCS
S2) 6.3 VAC @ 1A CCS
S3) 5.2 VCT @ 30A CCS
7
CENTRAL ELECTRONICS 600L FILAMENT
MULTIPLE FILAMENT, CHICAGO 25077
PWDF13181 EI 4 120 VAC 60 HZ 1 PH S1) 240 VAC @ 0.015 A
S2) 10 VCT @ 5 A CCS
S3) 6.3 VAC @ 0.45 A CCS
S4) 6.3 VAC @ 0.3 A CCS
S5) 2.5 VCT @ 4 A CCS (2,500 VDC INSULATION)
S6) 6.3 VCT @ 4 A CC
10
CHOKE 8.0 HY @ 1.5A
4000 WVDC
PWDI13169 EI 2 8.0 HY @ 1.5A DC (4000 WVDC) 63
CHOKE 60 HY @ 150 ma. DC
MODULATION REACTOR (CHOKE)
PWDI13132 EI 4 60 HY @ 150 ma. DC CCS (2 KVDC TEST) 10
COLLINS KW-1 AUDIO DRIVER
PP 6B4G PLATES TO PP 810 GRIDS (T-404)
PWDM13041 EI-100 X 1 5 375 VCT @ 0.1A CCS (5000 OHMS P-P CT) S1) 125 VAC @ 0.1A CCS (2225 OHMS G-G CT)
S2) 125 VAC @ 0.1A CCS (2225 OHMS G-G CT)
2
COLLINS KW-1 BIAS T-401
-150 VOLT DC BIAS & FILAMENT TRANSFORMER
PWDP13188 EI-112 X 1.125 4 115 VAC 60 HZ 1 PH S1) 300 VCT @ 30 MA CCS
S2) 5 VAC @ 2A CCS
3
COLLINS KW-1 MODULATION XFMR
PP 810 MODULATORS TO PARALLEL 4-250A'S
PWDM13037 EI-175 EE-STACK 10 1800/2400 VCT18000/11600 OHMS PP 1768 VAC @ 283 MA CCS (6250 OHMS RFPA) 35
COLLINS KW-1 RECT FIL ER
T-501 872A FIL XFMR (EXACT REPLACEMENT)
PWDF13255 EI-150 X 1.25" 29GRH 5 115 VAC 60 HZ 1 PH S1) 5.0 VCT @ 15A CCS (10 KVDC INS) 6
COLLINS KWS-1 HV FILAMENT
REPLACEMENT 866A FIL XFMR (T-502) - BOBBIN WOUND - EPOXY FILLED BAYS
PWDF13061 EI-087 X 1 7 115/230 VAC 50/60 HZ 1 PH S1) 2.5 VCT @ 10A CCS (10 KVDC TEST) 2
COLLINS KWS-1 LV POWER XFMR
T-506 P/N 662-0146-00 ORIGINAL WAS STYLE #07 - CAN IS NO LONGER
AVAILABLE
PWDP13171 EI-150 X 2.5" 29GAM6 5 120 VAC 60 HZ 1 PH S1) 420-200-0-200-420 VAC @ 0.255A CCS
S2) 5.0 VAC @ 4A CCS
S3) 12.6 VAC @ 0.3A CCS
S4) 6.3 VAC @ 9.0A CCS
13
COLLINS KWS-1 PLATE XFMR
P/N 662-0155-00, E-5017
PWDP13082 EI 29GAM6 9 115/230 VAC 60 HZ 1 PH S1) 4800 VCT @ 800 MA CC 39
COLLINS KWS-1 SCREEN
P/N 662-0157-00 T504 - REPLACEMENT IS NOT POTTED - SEE PDF DRAWING
PWDP13043 EI-100 X 1.25 29GAM6 5 120 VAC 60 HZ S1) 980 VCT @ 0.050A CCS 6
COLLINS 30K MODULATION XFMR
P/N 677-0316-00, 200W,+/- 2DB 100-5000HZ
PWDM13203 EI-150 X 2.5" 29GM6X 7 2450 VCT @ 175 MA (32K OHMS) S1) 1770 VAC @ .150ADC & .113AAC(16.7K OHM)
S2) 248 VAC @ .050ADC
12
COLLINS 30K PLATE
4-125A RF PA & PP 75T MODULATORS
PWDP13256 A-0480/ C-CORE 10 115/230 VAC 60 HZ 1PH 2950-2365-0-2365-2950 VAC @ 750MA CCS 46
COLLINS 30L-1 PWDP13170 EI-175 X 3" 29G M6X 2 115/230 VAC 50/60 HZ 1 PH S1) 650 VAC 0.7A CCS
S2) 120 VAC @ 0.020A CCS
S3) 6.3 VCT @ 16A CCS
19
COLLINS 30S-1 ALC XFMR T-102
1:1 RATIO ALC TRANSFORMER
PWDA13244 EE 24-25 SQ STACK 1 3.5 HY @ 700 OHMS
COLLINS 30S-1 BIAS
P/N 662-0353-00
PWDP13042 EI-087 X 1 1 115 VAC 50/60 HZ 1 PH S1) 125 VCT @ 0.1A CCS
S2) 12.6 VAC @ 0.8A CCS
2
COLLINS 30S-1 ER RECT FIL
T-202,P/N 662-0352-00 REPLACEMENT
PWDP13018 EI-100 X 1.25 29GAM6 5 15 VAC 60 HZ 1 PH S1) 2.5 VCT @ 10A CCS (10 KVDC INSULATION) 3
COLLINS 30S-1 PLATE XFMR
STANDARD REPLACEMENT TRANSFORMER
PWDP13017 EI-300 X 3.375 4 115/230 VAC 60 HZ 1PH HI-LO TAPS S1) 6320 VCT @ 350MA CCS (HI Primary Tap)
S2) 245 VAC @ 350MA CCS (HI Primary Tap)
67
COLLINS 30S-1 SCREEN POWER
350/250 VAC @ 400 MA CCS
PWDP13149 EI-175 X 1.75 4 115 VAC 60 HZ 1PH HI-LO TAPS S1) 350 VAC @ 400 MA CCS 12
COLLINS 30S-1-50 PLATE XFMR
50 HZ VERSION OF 30S-1 PLATE XFMR
PWDP13124 EI-300 X 3.375 4 115/230 VAC 50/60 HZ 1PH HI-LO TAPS S1) 6320 VCT @ 350MA CCS
S2) 245 VAC @ 350MA CCS
67
COLLINS 30S-1 CHOKE
EXACT REPLACEMENT FOR L-202
PWDI13159 EI-175 X 3 5 8.0 HY @0.5A DC (10 KVDC INS) 19
COLLINS 32V-1/2/3 LV POWER
LV POWER XFMR FOR 32V-1, 32V-2 OR 32V-3
PWDP13005 EI-150 X 1.5 4 115 VAC 60 HZ 1 PH S1) 850 VCT @ 175 MA CCS
S2) 5.0 VAC @ 4A CCS
S3) 5.0 VAC @ 4A CCS
S4) 6.3 VAC @ 9A CCS
8
COLLINS 51J4 POWER
ALSO USED IN COLLINS R-388 (51J-3) RECEIVER
PWDP13063 EI-150 X 1.5 4 115/230 VAC 45/70 HZ 1 PH S1) 700 VCT @ 200 MA CCS (FWCT)
S2) 5.0 VAC @ 2A CCS
S3) 6.3 VAC @ 7A CCS
8
COLLINS 516F-1 POWER XFMR
P/N 662-0252-00 MODEL 164
PWDP13075 EI-150 X 1.5 5 115 VAC 60 HZ 1PH S1) 920-0-920 VAC @ 250MA ICAS 8
COLLINS 516F-2 CHOKE (L3)
1.0 HY @ 180MA DC FILTER CHOKE
PWDI13251 EI-075 X 1 3 1.0 HY @ 180 MA DC 1
COLLINS 516F-2HD POWER G
P/N 662-0249-010 120/240 PRIMARY
PWDP13200 EI-175 X 3" 29 GA M6 2 120/240 VAC 50/60 HZ 1 PH S1) 1000-425-123-0-425-1000 VAC @ 250MA CCS
S2) 6.3 VAC @ 11A CCS
S3) 5.0 VAC @ 3A CCS
S4) 5.0 VAC @ 3A CCS
19
COLLINS 75A-1, 75A-2, 75A-3, 75A-4 (L29) FILTER CHOKE (#1)
P/N 668-0020-00
PWDI13161 EI 3 3 HENRY 120 MA DC
600V WORKING VOLTAGE
2
COLLINS 75A-1, 75A-2, 75A-3, 75A-4 (L30) FILTER CHOKE (#2)
P/N 668-0019-00
PWDI13158 EI 3 5 HENRY 80 MA DC
600V WORKING VOLTAGE
2
COLLINS 75A-2/3 POWER
P/N 662-0017-00 WITH ADDED 234V
PWDP13233 EI-125 X 1.75 5 117/234 VAC 50/60 HZ 1 PH S1) 700 VCT @ 150 MA CCS
S2) 5.0 VAC @ 2.0A CCS
S3) 6.3 VAC @ 6.0A CCS
6
COLLINS 75A-4 POWER
P/N 662-0145-00
PWDP13053 EI-125 X 1.75 5 117 VAC 60 HZ 1 PH S1) 350-160-0-350 VAC @ 150 MA CCS
S2) 5.0 VAC @ 2.0A CCS
S3) 6.3 VAC @ 6.0A CCS
6
COLLINS 75S-1, 75S-3, 75S-3A POWER XFMR
P/N 662-0301-00, T-4 (75S-1), T-8 (75S-3, 75S-3A)
PWDP13115 EI-112 X 1.5 4 117 VAC 50/60 HZ 1 PH S1) 220 VCT @ 0.1A CCS
S2) 6.3 VAC @ 6.0A CCS
4
COLLINS 75S-3B, 75S-3C POWER XFMR
MAIN POWER XFMR (T-8) P/N 662-0250-010
PWDP13090 EI-112 X 1.5 5 115/230 VAC 60 HZ 1PH S1) 290 VCT @ 125MA CCS
S2) 6.3 VAC @ 5.5A CCS
4
COMMANDER HF-2500 POWER XFMR
HEAVY DUTY REPLACEMENT POWER TRANSFORMER
PWDP13011 EI-250 X 4" 29G M6X 2 230 VCT 60 HZ 1 PH S1) 900 VRMS @ 2.0A ICAS
S2) 6.3 VRMS @ 1A CCS
53
DENTRON CLIPPERTON-L
POWER TRANSFORMER
PWDP13002 EI-162 X 3.5 2 117/234 VAC 60 HZ 1PH S1) 0-640-1010 VAC @ 600 MA CCS
S2) 12 VAC @ 2A CCS
S3) 6.3 VAC @ 16A CCS
24
DENTRON CLIPPERTON-L (Late Production)
POWER TRANSFORMER MODIFIED (Filament winding includes C.T.)
We believe this power transformer was also used in the later CLIPPERTON QRO
PWDP13123 EI-162 X 3.5 2 117/234 VAC 60 HZ 1PH S1) 0-640-1010 VAC @ 600 MA CCS
S2) 12 VAC @ 2A CCS
S3) 6.3 VAC C.T. @ 16A CCS
24
DENTRON CLIPPERTON-L-50
50 HZ VERSION
PWDP13001 EI-162 X 3.5 29G M6X 2 117/234 VAC 50 HZ 1PH S1) 0-640-1010 VAC @ 600 MA CCS
S2) 12 VAC @ 2A CCS
S3) 6.3 VAC @ 16A CCS
24
DENTRON MLA-2500B
POWER TRANSFORMER
PWDP13102 EI-162 X 3" 29GAM6X 2 115/230 VAC 50/60 HZ 1 PH S1) 0-600-800 VAC @ 0.9A CCS
S2) 12.6 VAC @ 4.0A CCS
S3) 6.3 VAC @ 8A CCS
S4) 120 VAC @ 0.1A CCS
21
DENTRON 160-10L POWER
EXACT REPLACEMENT FOR 160-10L AMPLIFIER
PWDP13048 EI-162 X 3" 29GAM6X 4 115/230 VAC 60 HZ 1 PH S1) 985 VAC @ 1.0A ICAS OR 0.65A CCS
S2) 9.5 VAC @ 1.0A CCS
S3) 6.3 VCT @ 16A CCS
21
DRAKE AC-4 POWER XFMR
DRAKE AC-4 POWER SUPPLY USED WITH "4" LINES (T-4, T-4X AND TR-4)
PWDP13137 EI-150 X 3" 29GAM6X 2 120/240 VAC 50/60 HZ 1 PH S1) 265 VAC @ 750 MA CCS
S2) 90 VAC @ 350 MA CCS
S3) 95 VAC @ 100 MA CCS
S4) 12.6 VAC @ 5.5A CCS
14
DRAKE L4B-6
DIRECT REPLACEMENT WITH 6 TERMINAL PRI
PWDP13241 EI-212 X 3 2 120/240 VAC 60 HZ 1PH HI-LO TAPS S1) 1065/780 VAC @ 0.81A CCS 29
DRAKE L4B-7 and L7 PS
DIRECT REPLACEMENT WITH 7 TERMINAL PRI
PWDP13087 EI-212 X 3 2 120/240 VAC 60 HZ 1PH HI-LO TAPS S1) 1065/780 VAC @ 0.81A CCS 29
DRAKE L4B-7-SP and L7 PS
1170 VAC SECONDARY WITH 7 TERMINAL PRI - NOTE: REQUIRES POWER SUPPLY AND RF AMP MODS
PWDP13054 EI-212 X 3 2 120/240 VAC 60 HZ 1PH HI-LO TAPS S1) 1170/878 VAC @ 0.81A CCS 29
DRAKE L4B 3CX1200A7 X 2 FIL - NOTE: REQUIRES EXTENSIVE POWER SUPPLY AND RF AMP MODS
FIL XFMR FOR 2 EA 3CX1200A7'S IN L4B
PWDF13243 EI-150 X 2.5" 29GM6X 4 0-120/0-62-120 VAC 60 HZ 1 PH S1) 7.5 VCT @ 42A CCS
S2) 22 VAC @ 1A CCS
12
DRAKE R-4, R-4A, R-4B POWER XFMR T15
POWER XFMR FOR DRAKE R-4, R-4A AND R-4B RECEIVER ONLY
PWDP13202 EI-100 X 1.5" 29GM6X 5 120/240 VAC 50/60 HZ 1 PH S1) 260 VCT @ 0.15A CCS
S2) 12.6 VCT @ 2A CCS
3
DRAKE R-4C POWER XFMR T14
POWER XFMR FOR DRAKE R-4C RECEIVER ONLY
PWDP13178 EI-100 X 1.5" 29GM6X 5 20/240 VAC 50/60 HZ 1 PH S1) 250 VCT @ 0.13A CCS
S2) 26 VCT @ 0.65A CCS
S3) 6.3 VAC @ 2A CCS
3
DRAKE 1A POWER TRANSFORMER
FOR R.L. DRAKE MODEL 1A RECEIVER
PWDP13210 EI-100 X 1.25 29GM6X 2 115 VAC 60 HZ 1 PH S1) 525 VCT @ 50 MA CCS
S2) 12.6 VAC @ 2A CCS
3
EICO 720 POWER XFMR
90 WATT CW TRANSMITTER POWER TRANSFORMER
PWDP13262 EI-150 X 2" 29GAM6X 6 117 VAC 60 HZ 1PH S1) 1400 VCT @ 170 MA CCS
S2) 5 VAC @ 2A CCS
S3) 6.3 VAC @ 3A CCS
10
ENERGY-ONIX CHOKE P/N 376-056 PWDI13257 C-CORE 10 PR) 2.0 HY @ 1.7A DC (6400 WVDC 1 PH) 37
GATES BC-1 MODULATION REACTOR PWDI13065 C-CORE 10 40 HENRY 600 MA DC
10KV WORKING VOLTAGE
60
GATES/HARRIS CHOKE
476-0420-000
PWDI13211 5H 2 2.5A, 5600 VDC
GLOBE CHAMPION LV POWER T1
LV, BIAS, FIL VOLTS FOR MODELS 300 & 350
PWDP13217 EI-150 X 2.5" 29GAM6 5 PR) 115 VAC 60 HZ 1 PH S1) 900 VCT @ 250 MA CCS
S2) 110 VAC @ 0.1A CCS
S3) 12.6 VCT @ 3A CCS
S4) 5 VAC @ 3A CCS
S5) 6.3 VCT @ 6A CCS & 6.3 VAC @ 6A CCS
S6) 2.5 VCT @ 10A CCS
12
GLOBE KING 500A MOD POWER
1000 VDC FOR 811A'S & 400 VDC FOR 6L6G
PWDP13052 EI-162 X 2 2 117 VAC 60 HZ 1 PH 1160-350-0-350-1160 VAC @ 450 MA ICAS 15
GLOBE KING 500A/B MOD XFMR
PP 811A'S TO SINGLE 4-250A/4-400A RF PA
PWDM13086 EI-150 X 3.5" 29GM6X 5 1465 VCT @ 0.246A CCS (7400 OHMS P-P) 1275 VAC @ 0.283A CCS (1800 VDC @ .4A) 16
GLOBE KING 500B PLATE
1800 VDC @ 400 MA CCS FWB CHOKE INPUT
PWDP13074 EI-175 X 5 5 115 VAC 60 HZ 1 PH S1) 4000 VCT @ 400 MA ICAS (FWCT) 31
GLOBE KING 500B PLATE (MODIFIED)
1800 VDC @ 400 MA CCS FWB CHOKE INPUT
PWDP13108 EI-175 X 5 5 120/240 VAC 60 HZ 1 PH 31
GLOBE SCOUT 65A POWER XFMR
WRL MODEL 65A GLOBE SCOUT TRANSMITTER
PWDP13162 EI-150 X 2" 29G M6X 5 115 VAC 60 HZ 1 PH S1) 1200 VCT @ 0.2A CCS (500 VDC FWCT)
S2) 6.3 VAC @ 3.5A CCS
S3) 5 VAC @ 3A CCS
10
GONSET G-50 POWER XFMR
6 METER COMMUNICATOR
PWDP13028 EI-137 X 2" 29GAM6X 5 115 VAC 60 HZ 1 PH S1) 770 VCT @ 250 MA CCS
S2) 5.0 VAC @ 3A CCS
S3) 6.3 VAC @ 9A CCS
8
GONSET G-76 POWER XFMR
T-1, MAIN POWER TRANSFORMER
PWDP13247 EI-175 X 2.5" 29GM6X 6 115 VAC 60 HZ 1 PH S1) 1300/540 VCT @ 0.3A CCS
S2) 5.0 VAC @ 4A CCS
S3) 12.6 VAC @ 5A CCS
17
GONSET GSB-100 POWER
ADVERTISED UNIT
PWDP13106 EI-150 X 2 4 117 VAC 60 HZ 1 PH S1) 720-260-0-130-260-720 VAC @ 150 MA CCS
S2) 5.0 VAC @ 3A CCS
S3) 5.0 VAC @ 3A CCS
S4) 6.3 VAC @ 10A CCS
10
GONSET GSB-101 ER PLATE C
EXACT REPLACEMENT UNIT WITH 117 VAC PRI
PWDP13101 EI-162 X 3.5" 29GM6X 4 117 VAC 60 HZ 1 PH 3600 VCT @ 500 MA CCS 24
HALLICRAFTERS HT-32 MARK I
T4 MAIN POWER TRANSFORMER
PWDP13141 EI-175 X 3 6 117 VAC 60 HZ S1) 880-270-90-0-270-880 VAC @ 300MA CCS
S2) 6.3 VAC @ 11A CCS
S3) 5.0 VAC @ 3A CCS
S4) 5.0 VAC @ 3A CCS
19
HALLICRAFTERS HT-33B PLATE
REPLACEMENT (2700 VDC FOR PL-172)
PWDP13071 EI-212 X 4.625 4 120 VAC 60 HZ 1 PH 6000 VCT @ 0.350A CCS (FWCT LC RECT) 43
HALLICRAFTERS HT-37 POWER
MAIN POWER TRANSFORMER - SAME AS HT-32 MARK 1 (ABOVE)
PWDP13141 EI-175 X 3 6 0-75-117 VAC 60 HZ S1) 880-270-140-0-270-880 VAC @ 300MA CCS
S2) 6.3 VAC @ 11A CCS
S3) 5.0 VAC @ 3A CCS
S4) 5.0 VAC @ 3A CCS
19
HALLICRAFTERS PS-150-120
POWER TRANSFORMER FOR HT-44 POWER SUPPLY
PWDP13092 EI-175 X 2 6 117 VAC 60 HZ 1 PH S1) 630 VCT @ 450 MA CCS
S2) 120 VAC @ 20 MA CCS
S3) 12.6 VAC @ 4.5A CCS
14
HALLICRAFTERS SR-2000 PLATE TRANSFORMER (PLATE & SCREEN) VOLTAGES PWDP13022 EI-175 X 4" 29G M6 2 117/234 VAC HI-LO TAPS 60 HZ 1PH S1) 1080 VRMS @ 0.91 AMPS CCS
S2) 450 VRMS @ 0.070 AMPS CCS
25
HALLICRAFTERS SX-28 AUDIO
AUDIO OUTPUT
PWDA13083 EI-075 X .75 1 9K OHMS P-P 100/500/5000 OHMS 1
HAMMARLUND HQ-145A POWER
T13 MAIN POWER TRANSFORMER
PWDP13094 EI-112 X 1.5 29GM6RH 6 115/230 VAC 60 HZ 1 PH S1) 360 VCT @ 0.1A CCS
S2) 6.3 VAC @ 6A CCS
4
HAMMARLUND HQ-180A POWER
REPLACES P/N P26305-1, 115 VAC PRI ONLY
PWDP13021 EI-125 X 1.75 6 115 VAC 60 HZ 1 PH S1) 420 VCT @ 200 MA CCS
S2) 6.3 VAC @ 6A CCS
6
HAMMARLUND HQ-180A POWER (FOR OVERSEAS)
REPLACES P/N P26305-1
PWDP13165 EI-125 X 1.75 29GAM6 6 220 VAC 50/60 HZ 1 PH S1) 420 VCT @ 200 MA CCS
S2) 6.3 VAC @ 6A CCS
6
HAMMARLUND HX-500 POWER
T16 MAIN POWER XFMR, P/N K42351-1
PWDP13096 EI-150 X 3 6 117 VAC 60 HZ 1 PH S1) 900-320-110-0-320-900 VAC @ 175MA CCS
S2) 12.6 VAC @ 1.2A CCS (5 KV TEST)
S3) 6.3 VAC @ 10A CCS
14
HEATH AT-1 POWER XFMR
P/N 54-21
PWDP13114 EI-125 X 1.25" 29GM6 5 115 VAC 60 HZ 1 PH S1) 860 VCT @ 0.1A CCS (FWCT)
S2) 5.0 VAC @ 3A CCS
S3) 6.3 VAC @ 2A CCS
4
HEATH DX-100 MOD
DX-100 MODULATION TRANSFORMER
PWDM13136 EI-112 X 1.5 5 8000 OHMS PP C.T. 845 VCT 500/2800 O @ 250MA(88W) 500 VAC @ .176A 4
HEATH DX-100 PLATE OF
OPEN FRAME VERSION
PWDP13234 EI-175 X 2" 29GM6X 4 117 VAC 60 HZ 1 PH 1830 VCT @ 400 MA ICAS 14
HEATH DX-20 POWER
MAIN POWER TRANSFORMER FOR HEATH DX-20
PWDP13109 EI-125 X 1.75 5 117 VAC 60 HZ 1 PH S1) 1200 VCT @ 120 MA CCS
S2) 6.3 VAC @ 2A CCS
S3) 5.0 VAC @ 3A CCS
6
HEATH DX-35/40
POWER TRANSFORMER
PWDP13105 EI-125 X 1.75 29GAM6 5 117 VAC 60 HZ 1 PH S1) 750-0-750 VAC @ 150 MA ICAS (FWCT)
S2) 6.3 VAC @ 3.25A CCS
S3) 5.0 VAC @ 3A CCS
S4) 6.3 VAC @ 0.65A CCS
6
HEATH SB-220 / SB-221 - FILAMENT XFMR
REPLACEMENT TRANSFORMER
PWDF13057 EI-137 X 1.375 5 120/240 VAC 50/60 HZ 1 PH S1) 5.0 VCT @ 30A CCS
S2) 90 VAC @ 0.1A CCS
6
HEATH HL-2200 POWER XFMR
REPLACEMENT FOR SB-220 / SB-221
/ HL-220
PWDP13034 EI 2 117/234 VAC 60 HZ HI-LO TAPS 860/1171 VAC @ 0.7A CCS 23
HEATH HL-2200 PLATE
EXTRA HD REPLACEMENT WITH 7 MIL C-CORE (SAME AS SB-220 / SB-221 / HL-2200)
REQUIRES MODIFICATION TO CHASSIS
PWDP13026 B-0393/ (SIDE MOUNT) 10 117/234 VAC 60 HZ HI-LO TAPS S1) 860/1171 VAC @ 1.3A CCS 23
HEATH HP-23A/B POWER XFMR
FOR HP-23A OR HP-23B POWER SUPPLY
PWDP13135 EI-137 X 2.5" 29GM6X 6 120/240 VAC 60 HZ 1 PH S1) 282 VAC @ 0.25A CCS
S2) 0-95-125 VAC @ 0.1A CCS
S3) 12.6 VCT @ 6A CCS
10
HEATH P/N 54-130
HO-13 & HO-10 MONITOR SCOPE POWER XFMR
PWDP13126 EI-100 X 1.5 5 117 VAC 60 HZ 1 PH S1) 1200 VAC @ .005A CCS
S2) 0.625 VAC @ 0.3A CCS (5 KVDC INS)
S3) 220 VAC @ .050A CCS
S4) 6.3 VAC @ 0.6A CCS
S5) 6.3 VAC @ 3.6A CCS
3
HEATH RX-1 - MOHAWK PLATE
SUGGESTED HAMMOND REPLACEMENT PART NUMBER 272JX
REQUIRES PLATE DROPPING RESISTOR (1K OHM, 20 WATT)
SEE ARTICLE BY JOHN TREICHLER (KJ6SAV) IN
ELECTRIC RADIO (AUGUST 2017) ISSUE FOR DETAILS
272JX
HEATH SB-1000 POWER XFMR
HEATH P/N 54-1061
PWDP13073 EI-175 X 3.5" 29G M6 4 120/240 VAC 60 HZ 1 PH S1) 1100 VAC @ 0.5A CCS
S2) 5.2 VCT @ 15A CCS
S3) 10.5 VAC @ 0.5A CCS
22
HEATH SB-200
T-1 MAIN POWER TRANSFORMER - SB-200 / SB-221
60 HZ ONLY
PWDP13227 EI-175 X 3" 29G M-6 2 120/240 VAC 60 HZ 1 PH S1) 800 VAC @ 500MA CCS
S2) 6.3 VCT @ 8A CCS
S3) 120 VAC @ 0.1A CCS
19
HEATH SB-230 POWER
PLATE, BIAS, & FIL POWER FOR 8873
PWDP13015 EI-150 X 3 5 120/240 VAC 60 HZ 1PH S1) 800 VAC @ 0.4A CCS
S2) 95 VAC @ 0.045A CCS
S3) 6.3 VAC @ 3.5A CCS
14
HEATH SB-610 SCOPE XFMR
P/N 54-168, T-601 MONTIOR SCOPE POWER
PWDP13070 EI-100 X 1.5 5 120 VAC 60 HZ 1 PH S1) 600 VAC @ 0.020A CCS
S2) 215 VAC @ 0.050A CCS
S3) 6.3 VAC @ 1.5A CCS (5 KVDC TEST)
S4) 6.3 VAC @ 2.5A CCS
3
HEATH SB-614/620 SCOPE XFMR
P/N 54-182, STATION MONTIOR SCOPE POWER
PWDP13099 EI-100 X 1.5" 29GM6X 5 120 VAC 60 HZ 1 PH S1) 600 VAC @ 0.020A CCS
S2) 210 VAC @ 0.050A CCS
S3) 6.3 VAC @ 0.6A CCS (5 KVDC TEST)
S4) 6.3 VAC @ 0.6A CCS (16 VDC @ 55 MA)
3
HEATH W5M POWER P/N 54-32
OPTION - Electrically similar substitute - our stock Hammond P/N 379X
379X
HENRY 1KD-5 POWER XFMR
T1, P/N ECA-1111, DIRECT REPLACEMENT
PWDP13033 EI-175 X 3" 29G M6X 4 115/230 VAC 50/60 HZ 1PH S1) 2250 VAC @ 200 MA CCS

S2) 5.0 VCT @ 15A CCS
19
HENRY 2K CLASSIC PWDP13016 EI-250 X 3.125 4 115/230 VAC 60 HZ 1PH S1) 0-2700-3600 VAC @ 0.5A
S2) 10 VCT @ 15A
42
HENRY 2K CLASSIC DC CHOKE
L101 HEAVY DUTY REPLACEMENT FOR ECA 5023
PWDI13024 EI-162 X 2.5" 29GM6X 4 8 HY @ 0.8A DC (0.1 MFD 7.5 KVDC CAP) 18
HENRY 2K-2 POWER
REPLACEMENT POWER TRANSFORMER
PWDP13215 EI 4 120/240 VAC 60 HZ 1 PH S1) 3500 VAC @ 0.4A ICAS
S2) 10.2 VCT @ 15A CCS
HENRY 2KD-5 POWER XFMR
T1, P/N FDN-7497, DIRECT REPLACEMENT
PWDP13121 EI-212 X 3" 29G M6X 4 115/230 VAC 60 HZ 1PH S1) 0-1780-2250 VAC @ 400 MA CCS

S2) 10.0 VCT @ 15A CCS
29
HENRY 3K-A PLATE
HIPERSIL REPLACEMENT FOR HENRY 3K-A
PWDP13084 A-0518/ C-CORE 9 230 VAC 60 HZ HI-LO TAP S1) 4000/3000 VAC @ 600MA CCS 38
HENRY 4K ULTRA DC CHOKE
RESONANT CHOKE - REQUIRES 0.2 MFD 10 KVDC CAP
PWDI13097 A-0518/ C-CORE 9 9.0 HY @ 1.0A DC (4500 WVDC) 38
JOHNSON ADVENTURER POWER
VIKING ADVENTURER POWER TRANSFORMER
PWDP13068 EI-l25 X 1.75 4 115 VAC 60 HZ 1 PH S1) 1060 VCT @ 150 MA CCS
S2) 6.3 VAC @ 2A CCS
S3) 5.0 VAC @ 3A CCS
6
JOHNSON CHALLENGER POWER
EFJ P/N 22.1501, T1 MAIN POWER XFMR
PWDP13206 EI-150 X 2 4 115 VAC 60 HZ 1 PH S1) 1300 VCT @ 275 MA CCS (FWCT)
S2) 6.3 VAC @ 5A CCS
S3) 5.0 VAC @ 3A CCS
10
JOHNSON DESK KW BIAS
T-200 (WILL FIT, BUT NEED NEW MTG HOLES)
PWDP13058 EI-125 X 2 5 115 VAC 60 HZ 1 PH S1) 300 VCT @ 150 MA CCS
S2) 5.0 VAC @ 3A CCS
S3) 5.0 VAC @ 3A CCS
7
JOHNSON DESK KW MOD
PP 810 MODULATORS TO PARALLEL 4-250A'S
PWDM13037 EI-175 EE-STACK 8 1800/2400 VCT, 18000/11600 OHMS PP 1768 VAC @ 283 MA CCS (6250 OHMS RFPA) 35
JOHNSON DESK KW PLATE (HR)
HIPERSIL REPLACEMENT TRANSFORMER
PWDP13051 A-0480/ C-CORE 10 115/230 VAC 60 HZ 1 PH 2900-2325-0-2325-2900 VAC @ 600 MA CCS 46
JOHNSON DESK KW SCREEN
T-201, EFJ P/N 22.1069
PWDP13192 EI-125 X 1.25 5 115 VAC 60 HZ 1 PH (HI-LO TAPS) 1350 VCT @ 125MA OR 1060 VCT @ 130MA 4
JOHNSON INVADER 2000 L301
DC FILTER CHOKE, 4-10 HY @ 500 MA DC
PWDI13231 EI-175 X 2 5 10 HY @ 90 MA TO 4 HY @ 500 MA DC 14
JOHNSON THUNDERBOLT DC CHOKE
L101 HIGH VOLTAGE DC FILTER CHOKE
PWDI13205 EI-175 X 2 4 25 HY @ 80 MA TO 5 HY @ 500 MA 2200 VDC 14
JOHNSON THUNDERBOLT PLATE
DIRECT REPLACEMENT - PLATE TRANS (SAME AS T-302 - JOHNSON 500 PLATE)
PWDP13046 EI 5 115/230 VAC 60 HZ 1 PH 4800 VCT @ 500 MA CCS 33
JOHNSON VALIANT LOW VOLTAGE
POWER TRANSFORMER, (T-2) SNC P/N 3068
PWDP13235 EI-150 X 2 5 117 VAC 60 HZ S1) 310-215-0-215-310 VAC @ 250 MA CCS
S2) 6.3 VAC @ 12A CCS
S3) 2.5 VAC @ 10A CCS
S4) 5.0 VAC @ 2A CCS
10
JOHNSON VALIANT MOD XFMR
EFJ P/N 22.1285, SNC P/N P2998
PWDM13044 EI-125 X 1.5 5 840 VCT @ 0.212A CCS (7300 OHMS P-P) S1) 450 VCT @ 0.300A CCS (2100 OHMS RF PA) 5
JOHNSON VIKING COURIER CHOKE
HV DC FILTER CHOKE
PWDI13055 EI-137 X 2" 29G M6X 5 PR) 10 HY @ 0.35A CCS (1500 WVDC) 8
JOHNSON VIKING COURIER PLATE
TO DELIVER 1500 VDC @ 335 MA
PWDP13056 EI-175 X 3" 29GAM6X 5 115 VAC 60 HZ 1 PH S1) 3600 VCT @ 237 MA CCS 19
JOHNSON VIKING II AUDIO DR
SNC P/N 1503 EFJ P/N 22.753
PWDA13076 EI-62 SQ. 3 100 VAC @ .030A CCS (SINGLE 6AU6 PLATE) S1) 84 VCT @ .036A CCS (PP 807 GRIDS) 1
JOHNSON VIKING II LV POWER
T-2, P/N 22.752, P/N P1893
PWDP13225 EI-125 X 2 5 115 VAC 60 HZ 1 PH S1) 298-70-0-70-298 VAC @ 250MA CCS
S2) 6.3 VAC @ 7A CCS
S3) 5 VAC @ 2A CCS
S4) 5 VAC @ 2A CCS
7
JOHNSON VIKING RANGER CHOKE
P/N 22.749, SNC P/N P1501, LV DC CHOKE
PWDI13014 EI-087 X 1 1 15.0 HY @ 95 MA DC (DCR = 290 OHMS) 2
JOHNSON VIKING RANGER AUDIO DR
SNC P/N 1503 EFJ P/N 22.753
PWDA13076 EI-62 SQ 3 100 VAC @ .030A CCS S1) 84 VCT @ .036A CCS (PP 1614 / 6L6 GRIDS) 1
JOHNSON VIKING RANGER II MOD
SNC P/N P2429, T2, PP 7027A'S, 32 WATTS
PWDM13007 EI-087 X 1 1 10600 OHM PP, 695 VCT @ .072A CCS S1) 19.8 VAC @ 0.050A CCS (4% FEEDBACK)
S2) 495 VCT @ .065A AC & .130A DC
2
JOHNSON VIKING RANGER PLATE
SNC P/N 2793, EFJ P/N 22.985
PWDP13183 EI-150 X 2.5 5 117 VAC 60 HZ S1) 670-420-140-0-140-420-670 VAC @ 0.260A
S2) 6.3 VAC @ 10A CCS
S3) 5.0 VAC @ 3A CCS
12
JOHNSON VIKING 500 L302
10 HY @ 200MA, P/N 22.1264
PWDI13131 EI-112 X 1.5 2 10 HY @ 200MA DC (350 WVDC) 4
JOHNSON VIKING 500 L303
EFJ P/N 22.1265 [email protected] TO 5 HY @ 0.5A
PWDI13036 EI-175 X 2" 29GAM6X 5 25 HY @ 80 MA TO 5 HY @ 0.5A * 2200 VDC 14
JOHNSON VIKING 500 MOD
VIKING 500 MODULATION TRANSFORMER
PWDM13062 EI-212 X 3 4 23000 OHMS P-P 2400 VCT (200-3500 HZ) S1) 8000 OHMS (2000VDC @ 250MA)1414VAC 250W 29
JOHNSON VIKING 500 PLATE
DIRECT REPLACEMENT - PLATE TRANS (T-302)
PWDP13046 EI CORE 5 115/230 VAC 60 HZ 1 PH 4800 VCT @ 500 MA CCS 33
JOHNSON VIKING 500 T-301
LV POWER TRANSFORMER, P/N 22.1266
PWDP13025 EI-175 X 1.75 5 115 VAC 60 HZ 1 PH S1) 960 VCT @ 200MA CCS
S2) 560 VCT @ 100MA CCS
S3) 6.4 VCT @ 9A CCS
S4) 2.5 VCT @ 10A CCS (10 KVDC INSULATION)
S5) 5.0 VCT @ 3A CCS
12
JOHNSON VIKING II HV XFMR
SNC P/N #1781 EFJ P/N 23.1002-1
PWDP13160 EI-150 X 2 5 115 VAC 60 HZ S1) 865-0-865 VAC @ 250MA CCS 10
JOHNSON VIKING II MOD XFMR T5, SNC
P/N P1992 PP 807'S TO PAR 6146
PWDM13220 EI-112 X 1.875 5 785 VCT @ 100MA PP 807 @ 7000 OHMS P-P S1) 500 VAC @ 250MA DC (RP = 2800 OHMS) 5
NATIONAL HRO-60 POWER (R)
NOT EXACT REPLACEMENT BUT WILL FIT IN
PWDP13224 EI-150 X 2 5 115/230 VAC 60 HZ 1 PH S1) 550 VCT @ 200 MA CCS
S2) 5.0 VAC @ 3A CCS
S3) 0-6.3-13.3 VAC @ 6A CCS
10
NATIONAL NCL-2000 POWER
TRANSFORMER (PLATE & SCREEN) VOLTAGES
PWDP13091 EI-175 X 4 2 117/234 VAC HI-LO TAPS 60 HZ 1PH S1) 1080 VRMS @ 0.91 AMPS CCS
S2) 450 VRMS @ 0.070 AMPS CCS
25
NATIONAL NCX-1000 POWER
PLATE, DRIVER PLATE & SCREEN VOLTAGES
PWDP13003 EI-175 X 2.5 2 117/234 VAC 60 HZ 1 PH S1) 1100 VAC @ 0.36A CCS

S2) 0-240-480 VAC @ 0.20A CCS
17
PALOMAR 300A POWER PWDP13148 EI-150 X 2 1/2" 5 117 VAC 60 HZ 1 PH S1) 310 VRMS @ 1.0 AMP CCS
S2) 14 VRMS @ 8 AMPS CCS
PITTENGER P/N FT-800A7
DUAL 3CX800A7 FILAMENT TRANSFORMER
EI-100 X 1 1 120 VAC 60 HZ 1 PH 13.5 VAC @ 3.0A CCS 2
SWAN 117-XC POWER
FOR SWAN 350 AC POWER SUPPLY
PWDP13023 EI-150 X 2 4 117 VAC 60 HZ 1 PH (AC PRIMARY) S1) 0-9.6-14.4-19.2 VAC @ 6A CCS (DC PRI)
S2) 427 VAC @ 300 MA CCS
S3) 230 VAC @ 300 MA CCS
S4) 90 VAC @ 140 MA CCS
10
SWAN 230-XC POWER
FOR SWAN 350 AC POWER SUPPLY
PWDP13027 EI-150 X 2" 29G M-6 4 117/234 VAC 50/60 HZ 1 PH (AC PRIMARY) S1) 0-9.6-14.4-19.2 VAC @ 6A CCS (DC PRI)
S2) 427 VAC @ 300 MA CCS
S3) 230 VAC @ 300 MA CCS
S4) 90 VAC @ 140 MA CCS
10
SWAN MK II POWER
HD SN 10 SM (REQUIRES PS REWORK TO FIT)
PWDP13095 A-0395/C-CORE 10 117/234 VAC 60 HZ 1 PH S1) 0-583-1123 VAC @ 0.8A CCS
S2) 10 VCT @ 15A CCS
S3) 12.6 VAC @ 2A CCS
23
TEN-TEC 422 & 422B 8 HV TRANSFORMER
FOR TEN-TEC MODEL 422 CENTURION LINEAR
AMPLIFIER
Page 3-1 of the Ten-Tec Centurion Manual
(Section 3-1,4) is not correct.
The stock unit was not a 2.5KVA nor did it
weigh 35 pounds (it weight is 23 pounds)
Special thanks to Steve - KD8ZBG for reporting this
PWDP13045 B-393/C-CORE 10 115/230 VAC 60 HZ 1 P 2225 VAC @ 0.5A CCS 23
TEN-TEC 425 TITAN POWER XFMR
T1, MAIN POWER TRANSFORMER
PWDP13039 A-0480/C-CORE 10 120/240 VAC 50/60 HZ 1 PH 2225 VAC @ 0.5A CCS 23
TRIAD P-217AL
PLATE TRANSFORMER
PWDP13040 EI-175 X 2.5" 29GAM6 5 115/230 VAC 50/60 HZ 1 PH 2880 VCT @ 0.25A DC (FWCT) 17
7.5VCT @ 75A FILAMENT PWDF13207 0-220-240VAC, 60HZ 7.5 VCT @ 75A CCS
7.5VCT @ 100A FILAMENT PWDF13185 115/230 VAC, 50/60 HZ 7.5VCT @ 100A CCS
1500 VAC @ 1.0A CCS
PLATE TRANSFORMER
PWDP13100 EI 4 0-220-240 VAC 60 HZ 1 PH S1) 1500 VAC @ 1.0A CCS 45
1650/1515/1375V @ 1.2A CCS K
FOR 2000 VOLT SUPPLY IN ARRL HANDBOOK
PWDP13078 A-0480/ C-CORE 10 234 VAC 60 HZ 1 PH 0-1375-1515-1650 VAC @ 1.2A CCS 46
1800VCT @ 175 MA PWDP13048 EI CORE 120VAC, 60 HZ S1)1800VAC @ 175 MA
S2) 560 VAC @ 800 MA
S3) 5V @ 2A
S4) 5V @ 4A
2400 VAC @ .4A & 5 VCT @ 15A
PLATE & FIL XFMR FOR SINGLE 3-500Z
PWDP13004 EI-162 X 3" 29GAM6X 4 117 VAC 60 HZ 1 PH S1) 2400 VAC @ 0.4A ICAS
S2) 5.0 VCT @ 15A CCS
21
6.3 VCT @ 160A CCS N
3CX15000A7 FILAMENT TRANSFORMER
PWDF13127 A-0393/ C-CORE 10 0-220-240 VAC 60 HZ 1PH 6.3 VCT @ 160A CCS 23
7.0 VCT @ 85A N
YU-148 FILAMENT TRANSFORMER
PWDF13050 EI-162 X 3 2 0-220-240 VAC 60 HZ 1 PH S1) 7.0 VCT @ 85A CCS 21
7.5 VCT @ 100A G
FILAMENT TRANSFORMER
PWDF13185 EI-162 X 3.5 2 115/230 VAC 50/60 HZ 1PH S1) 7.5 VCT @ 100A CCS 24
7.5 VCT @ 55A G
ADERVTISED UNIT
PWDF13081 EI-162 X 2 2 115/230 VAC 60 HZ 1 PH S1) 7.5 VCT @ 55A CCS 15

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Tags: peter w dahl, peter dahl, transformers, chokes, amateur radio