AlpHso Posted March 1, 2007 Share Posted March 1, 2007 Detin un amplificator auto ce are doi tranzistori afumati: A1220A si respectiv C2690A. As dori sa stiu cam cu ce alti tranzistori as putea sa-i inlocuiesc,avand in vedere ca acestia erau folositi la niste stabilizatoare de tensiune de +- 15v pt. etajul prefinal. Tin sa precizez ca nu stiu nici care e pnp sau npn iar ca echivalenti as dori ceva de pe la noi adica ceva din seria BD_urilor. Link to comment
mircea626 Posted March 1, 2007 Share Posted March 1, 2007 2SA1220A si-p,160v,1.2A,20w,175mhz--echivalent cu 2sa1249,2sb6492sc2690A si-n,160v,1.2A,20w,155mhz-echivalent cu 2sc3117,2sd1563gasesti originalele la vitacom spre exemplu Link to comment
adi_0106 Posted March 1, 2007 Share Posted March 1, 2007 A1220A - este defapt 2SA1220A al carui datasheet il ai mai jos la fel C2690A - este 2SC2690A la care si datasheetul mai jos echivalente pe 2SA1220A: * 2SA1020 * 2SA1249 * 2SB649 pt 2SC2690A: * 2SD1563A * 2SD669 * 2SC3117 sursa ? aici pt datasheeturi si aici pt echivalente Link to comment
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