Hammond PWDP13206 Johnson Challenger T1 Main Power Transformer
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224-955-1644Key Features
- T1 main power transformer for Johnson Challenger, EFJ P/N 22.1501
- S1: 1300 VCT @ 275 mA CCS (FWCT)
- S2: 6.3 VAC @ 5 A CCS
- S3: 5.0 VAC @ 3 A CCS
- Primary: 115 VAC, 60 Hz, single phase
- EI-150 x 2 core, style 4; approx. 10 lb
The PWDP13206 is the T1 main power transformer for the Johnson Challenger transmitter, EFJ P/N 22.1501. It comes from the Peter W. Dahl design files in the PWDAHL Series and serves restorers and technicians working on the E.F. Johnson Challenger.
The primary is 115 VAC, 60 Hz, single phase. Three secondaries are listed: S1 is 1300 VCT @ 275 mA CCS for full-wave center-tap (FWCT) rectification; S2 is 6.3 VAC @ 5 A CCS; and S3 is 5.0 VAC @ 3 A CCS.
The transformer is built on an EI-150 x 2 core in style 4 of the series style sheet. Approximate weight is 10 lb, and the shipping weight is 10 lbs (4.54 kg). It is listed as REACH and RoHS compliant and carries UPC 623980436494.
The PWDP13206 primary is listed for 60 Hz only, so buyers outside North America should follow the series note to choose 50/60 Hz parts if they need 50 Hz. Units are usually built to order one at a time; confirm availability by phone or e-mail before ordering. UNSPSC code 39121301 applies for procurement.
Ideal For
- Johnson Challenger transmitter restoration
- Replacement for EFJ P/N 22.1501
- Vintage AM/CW transmitter power supply repair
Overview
| Series | PWDAHL Series (Peter W Dahl Transformers) |
| Part Number | PWDP13206 |
| OEM Reference | EFJ P/N 22.1501, T1 |
| Series Tagline | Magnetics for Amateur Radio Products |
| Short Description | JOHNSON CHALLENGER PWR TX. |
| Ordering Table Description | JOHNSON CHALLENGER POWER EFJ P/N 22.1501, T1 MAIN POWER XFMR |
Dimensions
| Approx. Weight | 10 lbs |
Electrical
| Primary | 115 VAC 60 HZ 1 PH |
| Secondary S1 | 1300 VCT @ 275 MA CCS (FWCT) |
| Secondary S2 | 6.3 VAC @ 5A CCS |
| Secondary S3 | 5.0 VAC @ 3A CCS |
Identifiers
| UPC | 623980436494 |
| UNSPSC | 39121301 |
Packaging & Shipping
| Shipping Weight | 10 lbs (4.54 kg) |
Construction & Finish
| Core | EI-150 X 2 |
| Style (Per Series Style Sheet) | 4 |
Compliance & Certifications
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
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Frequently Asked Questions
What does the PWDP13206 replace?▾
It is the Johnson Challenger T1 main power transformer, EFJ P/N 22.1501.
What is the high-voltage secondary?▾
S1 is 1300 VCT @ 275 mA CCS, noted FWCT.
What other windings are included?▾
S2 6.3 VAC @ 5 A CCS and S3 5.0 VAC @ 3 A CCS.
What primary does it need?▾
115 VAC, 60 Hz, single phase.
How much does it weigh?▾
About 10 lb; shipping weight 10 lbs (4.54 kg).
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