BC548 NPN Transistor (Pack of 5)

BC548 NPN Transistor (Pack of 5)

The BC548 is a widely-used general-purpose NPN bipolar junction transistor, ideal for low-power amplification and switching applications. Available from Tech Depot India, Bengaluru, this pack of 5 ensures you have spares on hand for prototyping, repairs, and project builds. With a collector current of up to 100mA and a gain (hFE) range of 110-800, the BC548 is a versatile workhorse for analog and digital circuits alike. Fast shipping across India with full technical support included.

Specifications

Why Choose The BC548 from Tech Depot India?

• 100% authentic components sourced directly from trusted and authorized semiconductor distributors
• Pack of 5 - great value for prototyping, breadboard experiments, and keeping spares in your component kit
• High gain (hFE up to 800) makes it excellent for sensitive amplifier stages and sensor circuits
• Industry-standard TO-92 package - breadboard and PCB friendly with easy-to-solder through-hole pins
• Expert technical support included - get help with circuit design, pin identification, and troubleshooting

Key Features & Benefits

• General-Purpose NPN Transistor: One of the most popular BJTs in electronics, suitable for a vast range of low-power applications
• Excellent Switching Performance: Fast transition frequency of 300 MHz enables use in high-speed switching circuits
• Low Saturation Voltage: Efficient switching with minimal voltage drop when fully turned on
• Wide Gain Range: hFE of 110-800 accommodates diverse circuit requirements from basic switching to sensitive amplification
• Low Power Consumption: 500mW max dissipation makes it ideal for battery-powered and portable projects
• Drop-in Replacement: Compatible with BC547, BC549, and 2N2222 in many circuit configurations

Common Applications

• Signal Amplification: Audio preamplifiers, microphone amplifiers, and small-signal gain stages
• Switching Circuits: Drive LEDs, relays (with flyback diode), buzzers, and small motors
• Sensor Interfaces: Amplify signals from LDRs, thermistors, IR sensors, and touch sensors
• Oscillator Circuits: Build astable, monostable, and bistable multivibrators
• Logic Level Conversion: Interface between different voltage levels in mixed-signal circuits
• Darlington Pairs: Combine two BC548s for ultra-high gain in current amplification applications

Project Ideas

• Touch-Activated Switch: Use the BC548's high gain to detect skin resistance and toggle an LED or relay - a classic beginner project that demonstrates transistor sensitivity
• Light-Sensitive Alarm: Pair with an LDR to create a dark-detecting or light-detecting alarm circuit for security or automation
• Audio Amplifier: Build a simple single-stage or multi-stage common-emitter amplifier to boost audio signals from a microphone or guitar pickup
• LED Flasher / Blinker: Create an astable multivibrator using two BC548 transistors, resistors, and capacitors for alternating LED blinks
• Rain Detector: Use exposed copper traces as a rain sensor with the BC548 amplifying the small current when water bridges the traces

Frequently Asked Questions

Buy BC548 NPN Transistor (Pack of 5) Online in India

Purchase the BC548 NPN Transistor (Pack of 5) online at Tech Depot India - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Delhi, Hyderabad, Ahmedabad, Jaipur, and Surat.

Looking to buy BC548 NPN Transistor (Pack of 5) at the best price in India? Tech Depot India offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.

Buy BC548 NPN Transistor (Pack of 5) Online in India at Tech Depot India

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