2SD2387-A Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 140 V
• Collector-Base Voltage, max: 140 V
• Emitter-Base Voltage, max: 5 V
• Collector Current − Continuous, max: 8 A
• Collector Dissipation: 80 W
• DC Current Gain (h_fe): 5000 to 12000
• Transition Frequency, min: 30 MHz
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: TO-3P

Here is an image showing the pin diagram of this transistor.The 2SD2387-A transistor can have a current gain of 5000 to 12000. The gain of the 2SD2387 will be in the range from 5000 to 30000, for the 2SD2387-B it will be in the range from 9000 to 18000, for the 2SD2387-C it will be in the range from 15000 to 30000.Sometimes the "2S" prefix is not marked on the package - the 2SD2387-A might only be marked "D2387-A".You can replace the 2SD2387-A with the 2SC2579, 2SC2581, 2SD2385, 2SD2385-A, 2SD2389, 2SD2389-O, 2SD2390, 2SD2390-O, BDV67D, MJH11018, MJH11018G, MJH11020, MJH11020G, MJH11022 or MJH11022G.