2SD1158 Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 50 V
• Collector-Base Voltage, max: 80 V
• Emitter-Base Voltage, max: 10 V
• Collector Current − Continuous, max: 8 A
• Collector Dissipation: 40 W
• DC Current Gain (h_fe): 250
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: TO-220

Here is an image showing the pin diagram of this transistor.Sometimes the "2S" prefix is not marked on the package - the 2SD1158 might only be marked "D1158".You can replace the 2SD1158 with the 2N6043, 2N6043G, 2N6044, 2N6044G, 2N6045, 2N6045G, 2N6387, 2N6387G, 2N6388, 2N6388G, 2N6530, 2N6531, 2N6532, 2SD1192, 2SD1196, 2SD1277, 2SD1277-P, 2SD1277-Q, 2SD1277A, 2SD1277A-P, 2SD1277A-Q, 2SD1827, 2SD1830, BD645, BD647, BD649, BD897, BD897A, BD899, BD899A, BD901, BDT63, BDT63A, BDT63B, BDT65, BDT65A, BDT65B, BDW40, BDW41, BDW41G, BDW42, BDW42G, BDW73A, BDW73B, BDW73C, BDW93A, BDW93B, BDW93C, BDW93CF, BDX33A, BDX33B, BDX33BG, BDX33C, BDX33CG, BDX53A, BDX53B, BDX53BG, BDX53C, BDX53CG, MJF6388, MJF6388G, TIP100, TIP100G, TIP101, TIP101G, TIP102, TIP102G, TIP130, TIP130G, TIP131, TIP131G, TIP132, TIP132G, TIP140T, TIP141T or TIP142T.