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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 The Engineer Store, 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
| Component Type | NPN Bipolar Junction Transistor (BJT) |
| Part Number | BC548 |
| Package | TO-92 |
| Quantity | 5 pcs |
| Collector-Emitter Voltage (V_CEO) | 30V |
| Collector-Base Voltage (V_CBO) | 30V |
| Emitter-Base Voltage (V_EBO) | 5V |
| Max Collector Current (I_C) | 100mA |
| DC Current Gain (hFE) | 110 - 800 (typically ~300) |
| Power Dissipation | 500mW |
| Transition Frequency (f_T) | 300 MHz |
| Pin Configuration | 1-Collector, 2-Base, 3-Emitter (flat side facing you) |
| Operating Temperature | -65 degreesC to +150 degreesC |
| Origin | Original / Authentic |
| Warranty | 7-day warranty on manufacturing defects |
| Support | Email & WhatsApp 24/7 |
Why Choose The BC548 from The Engineer Store?
- 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
- 1-5 day shipping, 7-8 day delivery from our Bengaluru warehouse to most locations across India
- 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
When will I receive my order?
Products ship within 1-5 days from our Bengaluru warehouse. Delivery within 7-8 days to most locations across India.
Is technical support available?
Yes, 24/7 support via email and WhatsApp for setup, troubleshooting, and application guidance.
What is your return policy?
7-day returns on manufacturing defects only. Full refund or replacement. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.
Buy BC548 NPN Transistor (Pack of 5) Online in India
Purchase the BC548 NPN Transistor (Pack of 5) online at The Engineer Store - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on BC548 NPN Transistor (Pack of 5) with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.
Looking to buy BC548 NPN Transistor (Pack of 5) at the best price in India? The Engineer Store 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.
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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 The Engineer Store, 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
| Component Type | NPN Bipolar Junction Transistor (BJT) |
| Part Number | BC548 |
| Package | TO-92 |
| Quantity | 5 pcs |
| Collector-Emitter Voltage (V_CEO) | 30V |
| Collector-Base Voltage (V_CBO) | 30V |
| Emitter-Base Voltage (V_EBO) | 5V |
| Max Collector Current (I_C) | 100mA |
| DC Current Gain (hFE) | 110 - 800 (typically ~300) |
| Power Dissipation | 500mW |
| Transition Frequency (f_T) | 300 MHz |
| Pin Configuration | 1-Collector, 2-Base, 3-Emitter (flat side facing you) |
| Operating Temperature | -65 degreesC to +150 degreesC |
| Origin | Original / Authentic |
| Warranty | 7-day warranty on manufacturing defects |
| Support | Email & WhatsApp 24/7 |
Why Choose The BC548 from The Engineer Store?
- 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
- 1-5 day shipping, 7-8 day delivery from our Bengaluru warehouse to most locations across India
- 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
When will I receive my order?
Products ship within 1-5 days from our Bengaluru warehouse. Delivery within 7-8 days to most locations across India.
Is technical support available?
Yes, 24/7 support via email and WhatsApp for setup, troubleshooting, and application guidance.
What is your return policy?
7-day returns on manufacturing defects only. Full refund or replacement. Not applicable for user damage or misuse.
Are bulk discounts available?
Yes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.
Buy BC548 NPN Transistor (Pack of 5) Online in India
Purchase the BC548 NPN Transistor (Pack of 5) online at The Engineer Store - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on BC548 NPN Transistor (Pack of 5) with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.
Looking to buy BC548 NPN Transistor (Pack of 5) at the best price in India? The Engineer Store 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.