Hammond PWDF13081 7.5 VCT 55A Center-Tapped Filament Transformer

PWDF13081 is a filament transformer with a 7.5 volt center-tapped secondary rated 55A CCS. It is one of the PWDAHL Series designs, which Hammond lists directly from the Peter W. Dahl files of magnetics for amateur radio products, and is suited to amplifier builders and restorers who need a substantial filament supply.

The primary is 115/230 VAC, 60 Hz, single phase. Since the part is listed for 60 Hz only, buyers outside North America should heed the series note that applications needing 50 Hz should use a part marked 50/60 Hz.

PWDF13081 is built on an EI-162 x 2 core and appears as Style 2 on the series style sheet. The approximate weight is 15 lbs and the shipping weight is 15 lbs (6.80 kg). The part is REACH compliant and RoHS compliant.

The PWDAHL Series is usually built to order one at a time, and Hammond recommends confirming availability by phone or e-mail. Catalogue identifiers are UPC 623980186290 and UNSPSC 39121301.

The part page summarises this unit as "FILAMENT TSFR 7.5VCT, 55A.", and the dual 115/230 VAC primary allows it to be wired for either line voltage on a 60 Hz supply. When comparing it with other 7.5 VCT filament transformers in the series, the 55A rating and EI-162 x 2 core are the distinguishing values.