BD778 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: 15 W
• DC Current Gain (h_fe): 750
• Transition Frequency, min: 20 MHz
• Operating and Storage Junction Temperature Range: -65 to +150 °C
• Package: TO-126

Here is an image showing the pin diagram of this transistor.The complementary NPN transistor to the BD778 is the BD777.You can replace the BD778 with the 2N6035, 2N6035G, 2N6036, 2N6036G, BD678, BD678A, BD678AG, BD678G, BD680, BD680A, BD680AG, BD680G, BD682, BD682G, BD780, KSE700, KSE701, KSE702, KSE703, MJE700, MJE700G, MJE701, MJE701G, MJE702, MJE702G, MJE703 or MJE703G.