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BC337-40 NPN Transistor – High Gain TO-92 General Purpose Transistor
Specification
Product: BC337-40 NPN Transistor
Collector Current (DC) (A): 0.8
Junction Temperature (°C): 150
Collector-Base Voltage (Vcb) (V): 50
Collector-Emitter Voltage (Vce) (V): 45
Emitter-Base Voltage (Veb) (V): 5
DC Current Gain (hFE): 250 – 630
Power Dissipation (mW): 625
Transition Frequency (MHz): 100
Package Type: TO-92 (DIP)
Mounting Type: Through Hole
₹25.00 (Incl. GST)
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The BC337-40 is a high-gain NPN bipolar junction transistor (BJT) widely used for switching and amplification in electronic circuits. It offers excellent current handling capacity, high DC gain, and reliable performance for low to medium-power applications.
This transistor is ideal for students, hobbyists, and professionals working on Arduino projects, relay driver circuits, LED control, and amplifier designs.
Applications:
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Signal and audio amplification
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Relay driver and motor control
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LED blinking or dimming circuits
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Microcontroller interfacing (Arduino, ESP32, Raspberry Pi)
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DIY electronic and robotic kits








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