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| Help finding specs for transistor - RCA K68 = Motorola K68MEX |
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| SilverSolder:
I have a few of these transistors that I got at a surplus store, but this one is driving me crazy... not yielding to my search efforts with Google or anything else I could think of. Does anyone know what this transistor is equivalent to, or even have a spec, or any pointers at all to help figure this out? The transistor tester says it is an NPN transistor, with a Beta of 32 and Vbe of 559mV... |
| duak:
I think the U8435 is the date code: week 35 of 1984. I think K68 is the part number. Sometimes an obvious prefix is left out. A Japanese-ish 2SK68 doesn't bring up anything useful. Perhaps a European prefix? Pro-electron doesn't seem to use 'K' RCA used to sell replacement parts with an SK prefix. I remember semiconductors started with SK30 but SK3068 turns up a selenium rectifier. |
| Benta:
Custom marked. Very common back then, your chances of finding what it is are extremely slim. |
| amyk:
Try looking through 1980s RCA databooks. |
| SilverSolder:
Thank you for the comments so far. I have found an RCA book "1986 RCA Bipolar Power Devices" but there is nothing that relates back to any of the numbers printed on the transistor. Wonder if it is possible to measure a few basic parameters of a specimen and see if something in the catalog matches... ? |
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