BD677 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: 40 W
• DC Current Gain (h_fe): 750
• Operating and Storage Junction Temperature Range: -65 to +150 °C
• Package: TO-126
• Electrically Similar to the Popular MJE800 transistor

Here is an image showing the pin diagram of this transistor.The complementary PNP transistor to the BD677 is the BD678.You can replace the BD677 with the 2N6038, 2N6038G, 2N6039, 2N6039G, BD677A, BD677AG, BD677G, BD679, BD679A, BD679AG, BD679G, BD681, BD681G, BD777, BD779, KSE800, KSE801, KSE802, KSE803, MJE800, MJE800G, MJE801, MJE801G, MJE802, MJE802G, MJE803 or MJE803G.The BD677G transistor is the lead-free version of the BD677.