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> 2SC3281 power transistors with heatsinks and fans
2SC3281 power transistors with heatsinks and fans
Freight Delivery: In Most cases, we will palletize for free. Any crating would be subcontracted. We have forklift loading. We also have local pick up.
TOSHIBA 2SC3281 SILICON POWER TRANSISTORS. 200 VOLT 15 AMP T0-247 PLASTIC POWER TAB.
THIS ASSEMBLY HAS 11 HEATSINKS, EACH IS 4" X 4" X 2" WITH TWO 2 1/2" 12 VOLT DC FANS. EACH HEATSINK HAS 2 PRINTED CIRCUIT BOARDS WITH 5 POWER TRANSISTORS ON EACH ONE. ALL BASE LEADS ARE COMMON, ALL COLLECTOR LEADS ARE COMMON. EACH EMITTER IS CONNECTED TO A 3 OHM 2 WATT RESISTOR AND ALL OF THE FREE ENDS OF THE RESISTORS CONNECT TO A COMMON BUSS LEAD. THERE ARE 110 TRANSISTORS, ALL CONNECTED BASICALY IN PARALLEL. THERE ARE ONLY 3 LEADS COMING OUT OF THE ASSEMBLY, PLUS 2 WIRES THAT CONNECT THE 12 VOLT POWER TO ALL 22 FANS.
THIS WAS USED AS AN ACTIVE LOAD TO TEST A POWER SUPPLY. 19" WIDE RACKMOUNT CHASSIS WEIGHS 45 LBS. shelf L
