Hammond Mfg. - "Classic" Plate & Filament - Universal Primary - Transformer

"Classic" - Universal Primary
Plate & Filament
Power transformers

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(click to enlarge)

Key Features:

Universal primary with taps for 100, 120, 220 or 240 VAC, 50/60 Hz.
Designed for preamps, low power amps, general replacement, test equipment, etc.
Economical, two hole (.187 dia. = G) channel bracket or four hole, open frame - chassis mount.
Units include a Faraday shield between the primary and secondary windings.
Minimum 5" long leads.
For more selection check out our "300" series of universal plate & filament transformers.

Part No.	VA	A.C. Secondary #1		A.C. Filament Sec. #2 RMS	A.C. Filament Sec. #3 RMS	Figure #	Dimensions (Inches)
Part No.	VA	RMS	DC (ma.)	A.C. Filament Sec. #2 RMS	A.C. Filament Sec. #3 RMS	Figure #	A	B	C	D	E	G
260A	25	200-0-200	40	6.3V C.T. @ 1A	-	1	3.25	2.00	2.00	2.81	-	0.187
260C	65	250-0-250	75	5V @ 2A	6.3V C.T. @ 2A	1	4.03	2.65	2.625	3.56	-	0.187
260E	80	225-0-225	100	5V @ 2A	6.3V C.T. @ 3A	2	3.00	3.06	2.53	2.50	2.40	0.206 x 0.377
260G	175	275-0-275	200	5V @ 3A	6.3V C.T. @ 5A	2	3.75	3.50	3.135	3.25	3.25	0.203 x 0.375
260J	152	325-0-325	150	5V @ 2A	6.3V C.T. @ 4A	2	3.75	3.13	3.13	3.125	2.75	0.218 x 0.562
260K	197	325-0-325	200	5V @ 3A	6.3V C.T. @ 5A	2	4.50	3.25	3.75	3.75	3.00	0.218 x 0.562
260M	248	350-0-350	250	5V @ 3A	6.3V C.T. @ 5A	2	4.50	3.25	3.75	3.75	3.00	0.218 x 0.562

Mechanical Data:


Figure #1	Figure #2

Schematic Data:

Color Code Schematic

NOTES:

1) These units are designed to run with BOTH primary windings energized for maximum efficiency (see wiring table below).
2) The gray wire (connected internally to the core) - see above - marked SH (shield) should remain grounded to the chassis.

Primary Wiring Table:

Primary Supply	Primary Wiring Diagram
100 VAC
120 VAC
220 VAC
240 VAC

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