BC640

транзистор SI-P 80V 1A 0.8W 130MHz
является аналогом: KSA931, KSA707, 2SA952, 2SA950, 2SA661, 2SA1316-TOS, BFR81, BFR80, BC728, BC638, BC636, BC528, BC527, BC448-MBR, BC432, BC345, BC336, BC326, BC325, 2SB643, 2SB1030, 2SA954, 2SA953, 2SA850, 2SA817-TOS, 2SA695, 2SA545, 2SA1284, 2SA1271-KEC