Hammond PWDP13069 Alpha A77 Eto PA-77 C-Core Power Transformer
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224-955-1644Key Features
- Alpha A77 power transformer for the original ETO PA-77 linear amplifier
- S1 tapped 0-1800-2800 VAC @ 0.7A ICAS
- S2 0-22-66 VAC @ 0.5A CCS and S3 5.0 VAC @ 10A CCS
- 120/240 VAC 60 Hz single-phase primary
- A-0393 C-core, Style 10
- Approx. 23 lbs; REACH and RoHS compliant
PWDP13069 is the Alpha A77 power transformer for the original ETO PA-77 linear amplifier. It is part of the Peter W Dahl Transformers series and is intended for owners and service technicians restoring the PA-77's power supply.
The primary is rated 120/240 VAC at 60 Hz, single phase. Three secondaries are provided:
- S1: 0-1800-2800 VAC @ 0.7 A ICAS (tapped high-voltage winding)
- S2: 0-22-66 VAC @ 0.5 A CCS
- S3: 5.0 VAC @ 10 A CCS
The transformer is built on an A-0393 C-core and is listed as Style 10 on the series transformer style sheet. Approximate weight is 23 lbs, with a shipping weight of 23 lbs (10.43 kg).
Hipersil C-Core models in Styles 8, 9 and 10 need to be quoted by the office because of changing charges and minimums from C-core suppliers, so confirm pricing and availability for PWDP13069 by phone or e-mail. The primary is specified for 60 Hz only, which buyers outside North America should note.
The tapped S1 and S2 windings provide multiple output voltages from single windings. PWDP13069 is REACH and RoHS compliant and carries UPC 623980240589 and UNSPSC 39121301.
Ideal For
- ETO PA-77 linear amplifier restoration
- Alpha 77 power supply repair
- Amateur radio HV power supply
Overview
| Series | PWDAHL Series (Peter W Dahl Transformers) |
| Description | ALPHA A77 POWER XFMR FOR ORIGINAL ETO PA-77 LINEAR AMPLIFIER |
| Part Number | PWDP13069 |
| Product Type | Power Transformer |
| Short Description | ALPHA A77 POWER TX. |
Dimensions
| Approx. Weight (Series Table) | 23 lbs |
Electrical
| Primary | 120/240 VAC 60 HZ 1 PH |
| Secondary S1 | 0-1800-2800 VAC @ 0.7A ICAS |
| Secondary S2 | 0-22-66 VAC @ 0.5A CCS |
| Secondary S3 | 5.0 VAC @ 10A CCS |
Identifiers
| UPC | 623980240589 |
| UNSPSC | 39121301 |
Packaging & Shipping
| Shipping Weight | 23 lbs (10.43 kg) |
Construction & Finish
| Core | A-0393/ C-CORE |
| Style (Per Series Style Sheet) | 10 |
Compliance & Certifications
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
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Frequently Asked Questions
Which amplifier is PWDP13069 for?▾
The original ETO PA-77 linear amplifier; it is listed as the Alpha A77 power transformer.
What are the secondary ratings?▾
S1 0-1800-2800 VAC @ 0.7A ICAS, S2 0-22-66 VAC @ 0.5A CCS and S3 5.0 VAC @ 10A CCS.
Can I use it on 50 Hz mains outside North America?▾
The primary is listed as 120/240 VAC 60 Hz only; the series advises that parts not marked 50/60 Hz are intended for 60 Hz use.
How is it priced?▾
Hipersil C-Core models in Styles 8, 9 and 10 need to be quoted by the office; confirm pricing and availability by phone or e-mail.
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