Nexperia BSR41 NPN Transistor, 1 A, 60 V, 3-Pin SOT-89. Mounting Type: Surface Mount. Maximum Power Dissipation: 1.35 W. Minimum DC Current Gain: 30. Transistor Configuration: Single. Maximum Collector Base Voltage: 70 V. Maximum Emitter Base Voltage: 5 V. Maximum Operating Frequency: 100 MHz. Maximum Collector Emitter Saturation Voltage: 500 mV. Minimum Operating Temperature: -65 °C.