{"product_id":"bc547-transistor-pack-of-5","title":"BC547 Transistor (Pack of 5)","description":"\u003cmeta name=\"description\" content=\"Buy BC547 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\u003eBC547 Transistor (Pack of 5)\u003c\/h1\u003e\n\u003cp\u003eThe BC547 is one of the most widely used NPN bipolar junction transistors (BJTs) in electronics. Ideal for low-power amplification, switching circuits, and signal processing, this versatile TO-92 package transistor is a must-have staple for every engineer's component collection. Available in a convenient pack of 5 from The Engineer Store, Bengaluru. Fast shipping, genuine components, and dedicated technical support.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eNPN Bipolar Junction Transistor (BJT)\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\u003eCollector-Emitter Voltage (V\u003csub\u003eCEO\u003c\/sub\u003e)\u003c\/td\u003e\n\u003ctd\u003e45V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCollector-Base Voltage (V\u003csub\u003eCBO\u003c\/sub\u003e)\u003c\/td\u003e\n\u003ctd\u003e50V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEmitter-Base Voltage (V\u003csub\u003eEBO\u003c\/sub\u003e)\u003c\/td\u003e\n\u003ctd\u003e6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCollector Current (I\u003csub\u003eC\u003c\/sub\u003e max)\u003c\/td\u003e\n\u003ctd\u003e100mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC Current Gain (h\u003csub\u003eFE\u003c\/sub\u003e)\u003c\/td\u003e\n\u003ctd\u003e110 - 800 (typical ~300)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation (P\u003csub\u003eD\u003c\/sub\u003e)\u003c\/td\u003e\n\u003ctd\u003e500mW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransition Frequency (f\u003csub\u003eT\u003c\/sub\u003e)\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, left to right)\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\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e5 pieces per pack\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\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile NPN transistor:\u003c\/strong\u003e Functions efficiently as both a switch and a small-signal amplifier in a wide range of circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh DC current gain (h\u003csub\u003eFE\u003c\/sub\u003e up to 800):\u003c\/strong\u003e Provides excellent amplification for low-level signals, making it suitable for sensitive input stages.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow saturation voltage:\u003c\/strong\u003e Ensures minimal power loss when used in switching applications, improving overall circuit efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide operating voltage range:\u003c\/strong\u003e Supports collector-emitter voltages up to 45V, accommodating a broad spectrum of circuit designs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e300 MHz transition frequency:\u003c\/strong\u003e Capable of handling high-frequency signals, suitable for RF and audio frequency applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact TO-92 package:\u003c\/strong\u003e Industry-standard through-hole package that fits easily into breadboards, perfboards, and PCBs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow power consumption:\u003c\/strong\u003e Rated at 500mW maximum dissipation, perfect for battery-powered and portable projects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExcellent complementary pair:\u003c\/strong\u003e Works seamlessly with the BC557 (PNP) transistor for push-pull and complementary circuit designs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose This?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e100% authentic BC547 transistors sourced from trusted and authorized semiconductor suppliers\u003c\/li\u003e\n\u003cli\u003ePack of 5 provides excellent value - always have spares on hand for prototyping and replacements\u003c\/li\u003e\n\u003cli\u003eConsistent electrical parameters across all units for reliable and repeatable circuit performance\u003c\/li\u003e\n\u003cli\u003e1-5 day shipping, 7-8 day delivery from our Bengaluru warehouse to most locations across India\u003c\/li\u003e\n\u003cli\u003eExpert technical support included - get help with circuit design, biasing calculations, and troubleshooting\u003c\/li\u003e\n\u003cli\u003eIdeal for beginners and professionals alike - one of the most well-documented transistors available\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCommon Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwitching circuits:\u003c\/strong\u003e Drive LEDs, relays, buzzers, and small motors by using the BC547 as an electronic switch controlled by microcontrollers like Arduino or Raspberry Pi GPIO pins.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAudio preamplifiers:\u003c\/strong\u003e Build low-noise preamplifier stages for microphones, guitar pickups, and other audio signal sources with excellent fidelity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor interface circuits:\u003c\/strong\u003e Amplify weak signals from temperature sensors (LM35, thermistors), light-dependent resistors (LDRs), and other analog sensors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOscillator circuits:\u003c\/strong\u003e Construct astable and monostable multivibrators, Colpitts oscillators, and Hartley oscillators for signal generation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDarlington pair configurations:\u003c\/strong\u003e Combine two BC547 transistors for ultra-high current gain when driving higher-current loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLogic level conversion:\u003c\/strong\u003e Interface between different voltage-level systems in mixed-signal designs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage regulation:\u003c\/strong\u003e Use in series-pass regulator circuits or as part of feedback networks in power supply designs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTimer and delay circuits:\u003c\/strong\u003e Create simple RC timing circuits with precise control over charge and discharge cycles.\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 Build a simple touch sensor using the BC547's high gain - touching two exposed wires provides enough base current through skin resistance to switch on an LED or buzzer.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eAutomatic Night\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 BC547 Transistor (Pack of 5) Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003eBC547 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\u003eBC547 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\u003eBC547 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":43773628743843,"sku":"TES-EV102105","price":8.48,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/4479\/7091\/products\/bc547-npn-silicon-transistor-1-800x8005.jpg?v=1701073396","url":"https:\/\/www.theengineerstore.in\/zh-hant\/products\/bc547-transistor-pack-of-5","provider":"The Engineer Store","version":"1.0","type":"link"}