Hammond PWDP13053 Collins 75A-4 Power Transformer with Bias Tap
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224-955-1644Key Features
- Collins 75A-4 power transformer with bias tap, Collins P/N 662-0145-00
- S1 350-160-0-350 VAC @ 150 mA CCS
- Filament windings 5.0 VAC @ 2.0A and 6.3 VAC @ 6.0A CCS
- 117 VAC 60 Hz single-phase primary
- EI-125 X 1.75 core, Style 5
- Shipping weight 6.25 lbs (2.83 kg); REACH and RoHS compliant
PWDP13053 is a power transformer for the Collins 75A-4, Collins part number 662-0145-00, and is described on its part page as including the bias tap. It is part of the Peter W Dahl Transformers series and is aimed at collectors and technicians restoring the 75A-4.
The primary is rated 117 VAC at 60 Hz, single phase. Three secondaries are provided, all rated CCS:
- S1: 350-160-0-350 VAC @ 150 mA, with the 160 V tap
- S2: 5.0 VAC @ 2.0 A
- S3: 6.3 VAC @ 6.0 A
The transformer is built on an EI-125 X 1.75 core and is listed as Style 5 on the series transformer style sheet. The series table gives an approximate weight of 6 lbs; the part page lists a shipping weight of 6.25 lbs (2.83 kg).
The primary is listed for 60 Hz only, so buyers outside North America should confirm their supply frequency before selecting PWDP13053. It is REACH and RoHS compliant and carries UPC 623980240435 and UNSPSC 39121301.
Peter W. Dahl transformers are usually built to order one at a time, so confirm availability by phone or e-mail before ordering.
Ideal For
- Collins 75A-4 restoration
- Collins 662-0145-00 transformer replacement
- Vintage Collins equipment power supply repair
Overview
| Series | PWDAHL Series (Peter W Dahl Transformers) |
| Description | COLLINS 75A-4 POWER P/N 662-0145-00 |
| Part Number | PWDP13053 |
| Product Type | Power Transformer |
| Short Description | COLLINS 75A-4 ITH BIAS TAP |
| Original Part Number | 662-0145-00 |
Dimensions
| Approx. Weight (Series Table) | 6 lbs |
Electrical
| Primary | 117 VAC 60 HZ 1 PH |
| Secondary S1 | 350-160-0-350 VAC @ 150 MA CCS |
| Secondary S2 | 5.0 VAC @ 2.0A CCS |
| Secondary S3 | 6.3 VAC @ 6.0A CCS |
Identifiers
| UPC | 623980240435 |
| UNSPSC | 39121301 |
Packaging & Shipping
| Shipping Weight | 6.25 lbs (2.83 kg) |
Construction & Finish
| Core | EI-125 X 1.75 |
| Style (Per Series Style Sheet) | 5 |
Compliance & Certifications
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
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Frequently Asked Questions
Which Collins part does PWDP13053 replace?▾
The Collins 75A-4 power transformer, P/N 662-0145-00; the part page describes it as having the bias tap.
What are the secondary ratings?▾
S1 350-160-0-350 VAC @ 150 mA, S2 5.0 VAC @ 2.0A and S3 6.3 VAC @ 6.0A, all CCS.
Can I use it on 50 Hz mains outside North America?▾
The primary is listed as 117 VAC 60 Hz only; the series advises that parts not marked 50/60 Hz are intended for 60 Hz use.
What does it weigh?▾
The series table lists approximately 6 lbs; the shipping weight is 6.25 lbs (2.83 kg).
Is this transformer kept in stock?▾
Transformers in the Peter W. Dahl listing are usually built to order one at a time, and many of the designs are decades old. Confirming availability of PWDP13053 by phone or e-mail before ordering is recommended.
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