{"product_id":"bc548-npn-transistor-pack-of-5","title":"BC548 NPN Transistor (Pack of 5)","description":"\u003cmeta name=\"description\" content=\"Buy BC548 NPN Transistor Pack of 5 online in India at best price from The Engineer Store, Bengaluru. Authentic product, 7-day warranty on manufacturing defects, fast delivery across India.\"\u003e\n```html\n\u003ch1\u003eBC548 NPN Transistor (Pack of 5)\u003c\/h1\u003e\n\u003cp\u003eThe 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.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eComponent Type\u003c\/td\u003e\n\u003ctd\u003eNPN Bipolar Junction Transistor (BJT)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eBC548\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eTO-92\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e5 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCollector-Emitter Voltage (V_CEO)\u003c\/td\u003e\n\u003ctd\u003e30V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCollector-Base Voltage (V_CBO)\u003c\/td\u003e\n\u003ctd\u003e30V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEmitter-Base Voltage (V_EBO)\u003c\/td\u003e\n\u003ctd\u003e5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Collector Current (I_C)\u003c\/td\u003e\n\u003ctd\u003e100mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC Current Gain (hFE)\u003c\/td\u003e\n\u003ctd\u003e110 - 800 (typically ~300)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation\u003c\/td\u003e\n\u003ctd\u003e500mW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransition Frequency (f_T)\u003c\/td\u003e\n\u003ctd\u003e300 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePin Configuration\u003c\/td\u003e\n\u003ctd\u003e1-Collector, 2-Base, 3-Emitter (flat side facing you)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-65 degreesC to +150 degreesC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eOriginal \/ Authentic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e7-day warranty on manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003ctd\u003eEmail \u0026amp; WhatsApp 24\/7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eWhy Choose The BC548 from The Engineer Store?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% authentic components\u003c\/strong\u003e sourced directly from trusted and authorized semiconductor distributors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack of 5\u003c\/strong\u003e - great value for prototyping, breadboard experiments, and keeping spares in your component kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh gain (hFE up to 800)\u003c\/strong\u003e makes it excellent for sensitive amplifier stages and sensor circuits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustry-standard TO-92 package\u003c\/strong\u003e - breadboard and PCB friendly with easy-to-solder through-hole pins\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-5 day shipping, 7-8 day delivery\u003c\/strong\u003e from our Bengaluru warehouse to most locations across India\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpert technical support\u003c\/strong\u003e included - get help with circuit design, pin identification, and troubleshooting\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGeneral-Purpose NPN Transistor:\u003c\/strong\u003e One of the most popular BJTs in electronics, suitable for a vast range of low-power applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExcellent Switching Performance:\u003c\/strong\u003e Fast transition frequency of 300 MHz enables use in high-speed switching circuits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Saturation Voltage:\u003c\/strong\u003e Efficient switching with minimal voltage drop when fully turned on\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Gain Range:\u003c\/strong\u003e hFE of 110-800 accommodates diverse circuit requirements from basic switching to sensitive amplification\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Power Consumption:\u003c\/strong\u003e 500mW max dissipation makes it ideal for battery-powered and portable projects\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrop-in Replacement:\u003c\/strong\u003e Compatible with BC547, BC549, and 2N2222 in many circuit configurations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal Amplification:\u003c\/strong\u003e Audio preamplifiers, microphone amplifiers, and small-signal gain stages\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwitching Circuits:\u003c\/strong\u003e Drive LEDs, relays (with flyback diode), buzzers, and small motors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor Interfaces:\u003c\/strong\u003e Amplify signals from LDRs, thermistors, IR sensors, and touch sensors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOscillator Circuits:\u003c\/strong\u003e Build astable, monostable, and bistable multivibrators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLogic Level Conversion:\u003c\/strong\u003e Interface between different voltage levels in mixed-signal circuits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDarlington Pairs:\u003c\/strong\u003e Combine two BC548s for ultra-high gain in current amplification applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eProject Ideas\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTouch-Activated Switch:\u003c\/strong\u003e Use the BC548's high gain to detect skin resistance and toggle an LED or relay - a classic beginner project that demonstrates transistor sensitivity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLight-Sensitive Alarm:\u003c\/strong\u003e Pair with an LDR to create a dark-detecting or light-detecting alarm circuit for security or automation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAudio Amplifier:\u003c\/strong\u003e Build a simple single-stage or multi-stage common-emitter amplifier to boost audio signals from a microphone or guitar pickup\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED Flasher \/ Blinker:\u003c\/strong\u003e Create an astable multivibrator using two BC548 transistors, resistors, and capacitors for alternating LED blinks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRain Detector:\u003c\/strong\u003e Use exposed copper traces as a rain sensor with the BC548 amplifying the small current when water bridges the traces\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhen will I receive my order?\u003c\/summary\u003e\n\u003cp\u003eProducts ship within 1-5 days from our Bengaluru warehouse. Delivery within 7-8 days to most locations across India.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs technical support available?\u003c\/summary\u003e\n\u003cp\u003eYes, 24\/7 support via email and WhatsApp for setup, troubleshooting, and application guidance.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is your return policy?\u003c\/summary\u003e\n\u003cp\u003e7-day returns on manufacturing defects only. Full refund or replacement. Not applicable for user damage or misuse.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e\n\u003cp\u003eYes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003ch2\u003eBuy BC548 NPN Transistor (Pack of 5) Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003eBC548 NPN Transistor (Pack of 5)\u003c\/strong\u003e online at \u003ca href=\"https:\/\/theengineerstore.in\"\u003eThe Engineer Store\u003c\/a\u003e - 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 \u003cstrong\u003eBC548 NPN Transistor (Pack of 5)\u003c\/strong\u003e 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.\u003c\/p\u003e\n\u003cp\u003eLooking to buy \u003cstrong\u003eBC548 NPN Transistor (Pack of 5)\u003c\/strong\u003e 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.\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":43773674455203,"sku":"TES-EV102262","price":29.68,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/4479\/7091\/products\/bc548-npn-silicon-transistor-1-800x800.jpg?v=1701073718","url":"https:\/\/www.theengineerstore.in\/zh-hant\/products\/bc548-npn-transistor-pack-of-5","provider":"The Engineer Store","version":"1.0","type":"link"}