2SA747 Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -120 V
• Collector-Base Voltage, max: -120 V
• Emitter-Base Voltage, max: -6 V
• Collector Current − Continuous, max: -10 A
• Collector Dissipation: 100 W
• DC Current Gain (h_fe): 30
• Transition Frequency, min: 15 MHz
• Operating and Storage Junction Temperature Range: -65 to +150 °C
• Package: TO-3

Here is an image showing the pin diagram of this transistor.Sometimes the "2S" prefix is not marked on the package - the 2SA747 might only be marked "A747".The complementary NPN transistor to the 2SA747 is the 2SC1116.You can replace the 2SA747 with the 2SA1007, 2SA1007-Q, 2SA1007-R, 2SA1007-S, 2SA1007-p, 2SA1007A, 2SA1007A-Q, 2SA1007A-R, 2SA1007A-S, 2SA1007A-p, 2SA1041, 2SA1043, 2SA1072, 2SA1072A, 2SA1073, 2SA679, 2SA679-R, 2SA679-Y, 2SA747A, 2SA908, 2SA909, 2SB552-R, 2SB554, 2SB554-O, 2SB554-R, 2SB555, 2SB555-O, 2SB555-R, 2SB556, 2SB556-O, 2SB556-R, 2SB600, 2SB600-Q, 2SB600-R, 2SB600-S, 2SB697, 2SB697-C, 2SB697-D, 2SB697-E, 2SB697-F, 2SB697K, 2SB697K-C, 2SB697K-D, 2SB697K-E, 2SB697K-F, 2SB705, 2SB705-Q, 2SB705-R, 2SB705-S, 2SB705A, 2SB705A-Q, 2SB705A-R, 2SB705A-S, 2SB705B, 2SB705B-Q, 2SB705B-R, 2SB705B-S, 2SB706, 2SB706-Q, 2SB706-R, 2SB706-S, 2SB706A, 2SB706A-Q, 2SB706A-R, 2SB706A-S, 2SB722, 2SB723, 2SB723-A, 2SB723-B, 2SB723-C, BDX64C, BDX66C, BDX68C, MJ11015, MJ11015G, MJ11017, MJ11019, MJ11033 or MJ11033G.