BD678 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 MJE700 transistor

Here is an image showing the pin diagram of this transistor.The complementary NPN transistor to the BD678 is the BD677.You can replace the BD678 with the 2N6035, 2N6035G, 2N6036, 2N6036G, BD678A, BD678AG, BD678G, BD680, BD680A, BD680AG, BD680G, BD682, BD682G, BD778, BD780, KSE700, KSE701, KSE702, KSE703, MJE700, MJE700G, MJE701, MJE701G, MJE702, MJE702G, MJE703 or MJE703G.The BD678G transistor is the lead-free version of the BD678.