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26-03-2013 #8
Last Activity: 17-03-2017
Asto
looks like that's a digiplan proprietary part number, common anti-copy practice in those days. given the age & specs of the driver i'd suggest 3 options:
1. trace the circuit to determine if npn or pnp then given the spec of the driver (2.5A, 24v IIRC) choose something appropriate in a modern transistor (6 - 10A Ice-max, Vce 100v+, which is likely to be better anyway on Vce-sat and hfe specs). TBH, given other things have may have died I'd not bother.
2. buy a replacement driver off ebay (or check if members such as JohnS have some left over from upgrades)
3. use this as opportunity to upgrade to modern driversLast edited by irving2008; 26-03-2013 at 09:03 AM.
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