I have always used bd681 with a 1k on the base, supports upto 3 or 4 amps with a heatsink.
Emitter to ground and load between + and collector. if driving a relay, then put a 1n4004 across the transistor
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I have always used bd681 with a 1k on the base, supports upto 3 or 4 amps with a heatsink.
Emitter to ground and load between + and collector. if driving a relay, then put a 1n4004 across the transistor
Last edited by jamie_s; - 20th April 2007 at 08:01.
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