BSP43 Bipolar Transistor

• Type: NPN
• Collector-Emitter Voltage, max: 80 V
• Collector-Base Voltage, max: 90 V
• Emitter-Base Voltage, max: 5 V
• Collector Current − Continuous, max: 1 A
• Collector Dissipation: 1.3 W
• DC Current Gain (h_fe): 100 to 300
• Transition Frequency, min: 100 MHz
• Operating and Storage Junction Temperature Range: -65 to +150 °C
• Package: SOT-223

Here is an image showing the pin diagram of this transistor.The BSP43 transistor is marked as "BSP43".The complementary PNP transistor to the BSP43 is the BSP33.You can replace the BSP43 with the BDP951, BDP953, BDP955, PBHV8115Z or PBHV8215Z.