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

"Classic" - Universal Primary
Plate & Filament
Power transformers

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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, open frame, chassis mount - two hole (.187 dia. = G) channel bracket (figure #1) or four hole mounting (figure #2).
Units include a Faraday shield between the primary and secondary windings. Our electrostatic shield reduces the capacitive coupling from the primary - greatly attenuating higher frequency current coupling to the secondaries.
Minimum 5" long leads.
For more selection check out our "300" series of universal plate & filament transformers.

Part No.	VA	A.C. High Voltage Secondary #1 RMS	A.C. Filament Secondary #2 RMS	A.C. Filament Secondary #3 RMS	Figure # or PDF File	Dimensions (Inches)
Part No.	VA	A.C. High Voltage Secondary #1 RMS	A.C. Filament Secondary #2 RMS	A.C. Filament Secondary #3 RMS	Figure # or PDF File	A	B	C	D	E	G
260A	22	400V C.T. @ 40ma.	6.3V C.T. @ 1A	-	1	3.25	2.00	2.00	2.81	-	0.187
260A6	57	740V C.T. @ 60ma.	6.3V C.T. @ 2A	-	137K	-	-	-	-	-	-
260C	65	500V C.T @ 85ma..	5V @ 2A	6.3V C.T. @ 2A	1	4.03	2.65	2.625	3.56	-	0.187
260E	80	450V C.T. @ 115ma.	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	550V C.T. @ 230ma.	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	650V C.T. @ 173ma.	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	650V C.T. @ 230ma.	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	700V C.T. @ 288ma.	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 Faraday shield lead - the gray wire - marked SH (shield) above, should remain grounded to the mounting bracket & in turn to the chassis.

Primary Wiring Table:

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

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