steven Posted September 8, 2004 Author Report Posted September 8, 2004 :)i apoligise for the clarity of this, ill try get it better Quote
steven Posted September 8, 2004 Author Report Posted September 8, 2004 :)in the poor quality scanned image the 2sc indicates that the transister is a high frenquency npn type . b-japeneese [EIA] or american[EIA]c- the transistor application and whether it is an npn or pnp type.2n-transistor,FET,SCR,or triac.2SA-TRANSISTOR,HIGH FRENQUENCY TYPE,PNP TYPE2CB-TRANSISTOR, LOW FRENQUENCY, PNP TYPE.2SC-TRANSISTOR, HIGH FRENQUENCY , TYPE.2SD-TRANSISTOR, LOW FRENQUENCY, NPN TYPE.2SJ-FET, P CHANNEL.2SK-FET, N CHANNEL.3SK-MOSFET, N CHANNEL.3N-MOSFET, DUAL TRIACS.4N-OPTO DEVICES.by looking at the transistor number, you can determine if it operates at a certain frenquency and whether it is pnp or npn type. the suffix letter after the last number indicates an improvement over another transistor. note that the b or c suffix letter aftre the number indicates a much superior transistor than the letter a. if no numbers are found on the transistor, measure the supply voltage on the transistor, determine what type of circuit the transistor works in, whether it is high or low frenquency, and if it is small, medium ,or large power by the use of the transistor case. Quote
steven Posted September 8, 2004 Author Report Posted September 8, 2004 hotwater wizard i arsk for nothing but i give to those who who may seek more information, or that little bit of extra knowledge. Quote
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