MJE801T Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 60 V
• Collector-Base Voltage, max: 60 V
• Emitter-Base Voltage, max: 5 V
• Collector Current − Continuous, max: 4 A
• Collector Dissipation: 50 W
• DC Current Gain (h_fe): 750
• 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 complementary PNP transistor to the MJE801T is the MJE701T.You can replace the MJE801T with the 2N6043, 2N6043G, 2N6044, 2N6044G, 2N6045, 2N6045G, 2N6387, 2N6387G, 2N6388, 2N6388G, 2N6530, 2N6532, 2SC3145, 2SD1190, 2SD1191, 2SD1192, 2SD1195, 2SD1196, 2SD1276, 2SD1276-P, 2SD1276-Q, 2SD1276A, 2SD1276A-P, 2SD1276A-Q, 2SD1277, 2SD1277-P, 2SD1277-Q, 2SD1277A, 2SD1277A-P, 2SD1277A-Q, 2SD1414, 2SD1415, 2SD1415A, 2SD1825, 2SD1826, 2SD1827, 2SD1829, 2SD1830, 2SD1891, 2SD1891-P, 2SD1891-Q, 2SD1892, 2SD1892-P, 2SD1892-Q, 2SD2241, 2SD2495, 2SD2495-O, 2SD2495-P, 2SD2495-Y, 2SD560, 2SD560-KB, 2SD560-LB, 2SD560-MB, 2SD633, 2SD634, 2SD635, 2SD837, 2SD837-P, 2SD837-Q, 2SD837-R, 2SD837A, 2SD837A-P, 2SD837A-Q, 2SD837A-R, BD645, BD647, BD649, BD651, BD897, BD897A, BD899, BD899A, BD901, BDT61, BDT61A, BDT61B, BDT61C, BDT63, BDT63A, BDT63B, BDT63C, BDT65, BDT65A, BDT65B, BDT65C, BDW23A, BDW23B, BDW23C, BDW40, BDW41, BDW41G, BDW42, BDW42G, BDW43, BDW53A, BDW53B, BDW53C, BDW53D, BDW63A, BDW63B, BDW63C, BDW63D, BDW73A, BDW73B, BDW73C, BDW73D, BDW93A, BDW93B, BDW93C, BDW93CF, BDX33A, BDX33B, BDX33BG, BDX33C, BDX33CG, BDX33D, BDX53A, BDX53B, BDX53BG, BDX53C, BDX53CG, KSB601, KSB601-O, KSB601-R, KSB601-Y, KSD560, KSD560-O, KSD560-R, KSD560-Y, MJE800T, MJE802T, MJE803T, MJF122, MJF122G, MJF6388, MJF6388G, TIP100, TIP100G, TIP101, TIP101G, TIP102, TIP102G, TIP120, TIP120G, TIP121, TIP121G, TIP122, TIP122G, TIP130, TIP130G, TIP131, TIP131G, TIP132, TIP132G, TIP140T, TIP141T, TIP142T or TTD1415B.