KSE803 Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 80 V
• Collector-Base Voltage, max: 80 V
• Emitter-Base Voltage, max: 5 V
• Collector Current − Continuous, max: 4 A
• Collector Dissipation: 40 W
• DC Current Gain (h_fe): 750
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: TO-126
• Electrically Similar to the Popular MJE803 transistor

Here is an image showing the pin diagram of this transistor.The complementary PNP transistor to the KSE803 is the KSE703.You can replace the KSE803 with the 2N6039, 2N6039G, BD679, BD679A, BD679AG, BD679G, BD681, BD681G, BD779, KSE802, MJE802, MJE802G, MJE803 or MJE803G.