2N5551 NPN General Purpose Transistor 160V 600mA – TO-92 Package 2N5551 NPN General Purpose Amplifier Transistor 160V 600mA TO-92 Package. The 2N5551 is an NPN amplifier Transistor with an amplification factor (hfe) of 80 when the collector current is 10mA. It also has decent switching characteristics (Transition frequency is 100MHz) hence can amplify low-level signals. Features/Specs: Product Type: BJTs – Bipolar Transistor Transistor Polarity: NPN Configuration: Single Collector- Emitter Voltage VCEO Max: 160 V Collector- Base Voltage VCBO: 180 V Emitter- Base Voltage VEBO: 6 V Collector-Emitter Saturation Voltage: 250 mV Maximum DC Collector Current: 600 mA Pd – Power Dissipation: 625 mW Gain Bandwidth Product fT: 300 MHz Continuous Collector Current: 0.6 A DC Collector/Base Gain hFE Min: 80 Operating Temperature Range: -55°C ~ +150°C Mounting Style: Through Hole Package/Case: TO-92-3 Applications: Low power amplifiers Current amplifiers Small signal boosters Audio or other signal amplifiers Darlington pair