2SB943-Q Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -80 V
• Collector-Base Voltage, max: -130 V
• Emitter-Base Voltage, max: -7 V
• Collector Current − Continuous, max: -3 A
• Collector Dissipation: 30 W
• DC Current Gain (h_fe): 90 to 180
• Transition Frequency, min: 30 MHz
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: TO-220F

Here is an image showing the pin diagram of this transistor.The 2SB943-Q transistor can have a current gain of 90 to 180. The gain of the 2SB943 will be in the range from 90 to 260, for the 2SB943-P it will be in the range from 130 to 260.Sometimes the "2S" prefix is not marked on the package - the 2SB943-Q might only be marked "B943-Q".The complementary NPN transistor to the 2SB943-Q is the 2SD1268-Q.You can replace the 2SB943-Q with the 2SA1010, 2SA1077, 2SA1293, 2SA1308, 2SA1329, 2SA1388, 2SA1452, 2SA1452A, 2SA1488A, 2SA1634, 2SA1635, 2SA1725, 2SA1725-Y, 2SA1726, 2SA1726-Y, 2SA769, 2SA771, 2SB1016, 2SB1016A, 2SB1017, 2SB1018, 2SB1018A, 2SB1090, 2SB1367, 2SB1368, 2SB1548A, 2SB595, 2SB596, 2SB633, 2SB703, 2SB703A, 2SB708, 2SB747, 2SB761A, 2SB762A, 2SB870, 2SB870-Q, 2SB941A, 2SB942A, 2SB944, 2SB944-Q, 2SB945, 2SB945-Q, 2SB946, 2SB946-Q, 2SB992, 2SB995, 2SB996, BD242B, BD242C, BD244B, BD244C, BD538, BD540B, BD540C, BD544B, BD544C, BD546B, BD546C, BD800, BD802, BD810, BD938, BD938F, BD940, BD940F, BD942, BD942F, BD952, BD954, BD956, BDT84, BDT84F, BDT86, BDT86F, BDT88, BDT88F, BDT94, BDT94F, BDT96, BDT96F, BDX78, D44C10, D44C11, D44C12, D45C10, D45C11, D45C12, D45H11, D45H11FP, KSA1010, KSB1017, KSB596, KSB708, KTA1038, KTA1049, KTB1367, KTB1368, MJE15029, MJE15029G, MJE15031, MJE15031G, MJF15031, MJF15031G or NTE153.