BD678A Bipolar Transistor

• Type: PNP
• 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 MJE701 transistor

Here is an image showing the pin diagram of this transistor.The complementary NPN transistor to the BD678A is the BD677A.You can replace the BD678A with the 2N6035, 2N6035G, 2N6036, 2N6036G, BD678, BD678AG, BD678G, BD680, BD680A, BD680AG, BD680G, BD682, BD682G, BD778, BD780, KSE700, KSE701, KSE702, KSE703, MJE700, MJE700G, MJE701, MJE701G, MJE702, MJE702G, MJE703 or MJE703G.The BD678AG transistor is the lead-free version of the BD678A.