BC547 NPN General Purpose Transistor (50 pcs)

BC547 NPN General-Purpose BJT Transistors (Pack of 50)

The BC547 is the iconic NPN epitaxial silicon small-signal bipolar junction transistor. Engineered for low-noise audio pre-amplification, analog signal switching, and microcontroller GPIO logic-level driving of relays, buzzers, and LEDs.

Specifications

• Collector-Emitter Voltage (VCEO): 45 Volts
• Continuous Collector Current (IC): 100 mA (Peak: 200 mA)
• DC Current Gain (hFE): 110 to 800 (BC547B/C high-gain grade)
• Transition Frequency (fT): 300 MHz
• Power Dissipation (Ptot): 500 mW
• Package: TO-92 plastic through-hole package (Pinout: Collector, Base, Emitter)