BD677A 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 MJE801 transistor

Here is an image showing the pin diagram of this transistor.The complementary PNP transistor to the BD677A is the BD678A.You can replace the BD677A with the 2N6038, 2N6038G, 2N6039, 2N6039G, BD677, BD677AG, BD677G, BD679, BD679A, BD679AG, BD679G, BD681, BD681G, BD777, BD779, KSE800, KSE801, KSE802, KSE803, MJE800, MJE800G, MJE801, MJE801G, MJE802, MJE802G, MJE803 or MJE803G.The BD677AG transistor is the lead-free version of the BD677A.