2SD823 Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 90 V
• Collector-Base Voltage, max: 200 V
• Emitter-Base Voltage, max: 7 V
• Collector Current − Continuous, max: 6 A
• Collector Dissipation: 40 W
• DC Current Gain (h_fe): 20
• Transition Frequency, min: 15 MHz
• 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 2SD823 might only be marked "D823".You can replace the 2SD823 with the 2N6045, 2N6045G, 2N6531, 2N6532, 2N6533, 2SC2334, 2SC2334K, 2SC2334L, 2SC2334M, 2SC2527, 2SC3834, 2SC4153, 2SD1196, 2SD1415, 2SD1415A, 2SD1830, 2SD2495, 2SD2495-O, 2SD2495-P, 2SD2495-Y, 2SD363, 2SD363-O, 2SD363-R, 2SD363-Y, 2SD633, 2SD866A, 2SD866A-P, 2SD866A-Q, 2SD866A-R, BD243C, BD543C, BD545C, BD649, BD651, BD743C, BD801, BD901, BDT63B, BDT63C, BDT65B, BDT65C, BDT85, BDT85F, BDT87, BDT87F, BDT95, BDT95F, BDW23C, BDW42, BDW42G, BDW43, BDW63C, BDW63D, BDW73C, BDW73D, BDW93C, BDW93CF, BDX33C, BDX33CG, BDX33D, BDX53C, BDX53CG, BDX53D, BDX53E, BDX53F, KSC2334, KSC2334O, KSC2334R, KSC2334Y, KSD363, KSD363-O, KSD363-R, KSD363-Y, MJE15028, MJE15028G, MJE15030, MJE15030G, MJF15030, MJF15030G, MJF3055, MJF3055G, MJF6388, MJF6388G, TIP102, TIP102G, TIP132, TIP132G, TIP142T or TTD1415B.