2SA1680 Bipolar Transistor

• Type: PNP
• Collector-Emitter Voltage, max: -50 V
• Collector-Base Voltage, max: -80 V
• Emitter-Base Voltage, max: -6 V
• Collector Current − Continuous, max: -2 A
• Collector Dissipation: 0.9 W
• DC Current Gain (h_fe): 120 to 400
• Transition Frequency, min: 100 MHz
• Operating and Storage Junction Temperature Range: -55 to +150 °C
• Package: TO-92MOD

Here is an image showing the pin diagram of this transistor.Sometimes the "2S" prefix is not marked on the package - the 2SA1680 might only be marked "A1680".The complementary NPN transistor to the 2SA1680 is the 2SC4408.You can replace the 2SA1680 with the 2SB1229, 2SB892 or 2SB985.