2SD389A-Q Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 80 V
• Collector-Base Voltage, max: 80 V
• Emitter-Base Voltage, max: 8 V
• Collector Current − Continuous, max: 4 A
• Collector Dissipation: 40 W
• DC Current Gain (h_fe): 30 to 60
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: TO-220

Here is an image showing the pin diagram of this transistor.The 2SD389A-Q transistor can have a current gain of 30 to 60. The gain of the 2SD389A will be in the range from 30 to 160, for the 2SD389A-O it will be in the range from 80 to 160, for the 2SD389A-P it will be in the range from 50 to 100.Sometimes the "2S" prefix is not marked on the package - the 2SD389A-Q might only be marked "D389A-Q".You can replace the 2SD389A-Q with the 2N6100, 2N6101, 2N6123, 2N6131, 2N6473, 2N6474, 2N6488, 2N6488G, 2SC2075, 2SD1265A, 2SD1265A-Q, 2SD1274, 2SD1274A, 2SD1274B, 2SD772, 2SD792, 2SD823, BD243B, BD243C, BD537J, BD709, BD711, BD743B, BD743C, BD799, BD801, BD809, BD909, BD911, BDT41B, BDT41BF, BDT41C, BDT41CF, BDT93, BDT93F, BDT95, BDT95F, BDX77, MJE5180, MJE5181, MJE5182, MJF3055, MJF3055G, NTE291, TIP41B, TIP41BG, TIP41C, TIP41CF, TIP41CG, TIP41D, TIP41E, TIP41F, TIP42D, TIP42E or TIP42F.