{"product_id":"bc558-transistor-pack-of-5","title":"BC558 Transistor (Pack of 5)","description":"\u003cmeta name=\"description\" content=\"Buy BC558 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\u003eBC558 Transistor (Pack of 5)\u003c\/h1\u003e\n\u003cp\u003eThe BC558 is a general-purpose PNP bipolar junction transistor widely used in signal amplification and switching circuits. With a collector current rating of -100mA and a gain (hFE) of 110-800, it's an essential component for analog circuit design, audio preamplifiers, and complementary pair configurations with the BC548 NPN transistor. This pack of 5 from The Engineer Store, Bengaluru ensures you have spares on hand for prototyping and production. Fast shipping, 7-day warranty on manufacturing defects, and dedicated 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\u003ePNP Bipolar Junction Transistor (BJT)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eBC558\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\u003ePolarity\u003c\/td\u003e\n\u003ctd\u003ePNP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCollector-Emitter Voltage (VCEO)\u003c\/td\u003e\n\u003ctd\u003e-30V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCollector-Base Voltage (VCBO)\u003c\/td\u003e\n\u003ctd\u003e-30V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEmitter-Base Voltage (VEBO)\u003c\/td\u003e\n\u003ctd\u003e-5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCollector Current (IC max)\u003c\/td\u003e\n\u003ctd\u003e-100mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC Current Gain (hFE)\u003c\/td\u003e\n\u003ctd\u003e110-800 (typical ~200)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransition Frequency (fT)\u003c\/td\u003e\n\u003ctd\u003e150 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation (PD)\u003c\/td\u003e\n\u003ctd\u003e500mW\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\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\u003eComplementary NPN Pair\u003c\/td\u003e\n\u003ctd\u003eBC548\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 BC558 from The Engineer Store?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e100% authentic BC558 transistors sourced from trusted, authorized suppliers\u003c\/li\u003e\n\u003cli\u003ePack of 5 provides excellent value for prototyping, testing, and spare inventory\u003c\/li\u003e\n\u003cli\u003eHigh current gain (hFE up to 800) makes it ideal for sensitive amplification stages\u003c\/li\u003e\n\u003cli\u003eIndustry-standard TO-92 package fits all standard breadboards and PCB footprints\u003c\/li\u003e\n\u003cli\u003eReliable complement to BC548 NPN for push-pull and complementary circuit designs\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 to help you integrate the BC558 into your projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKey Features \u0026amp; Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal Amplification:\u003c\/strong\u003e High gain and 150 MHz transition frequency make the BC558 suitable for audio preamplifiers, small-signal amplifier stages, and sensor signal conditioning circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwitching Circuits:\u003c\/strong\u003e Use as a PNP switch to control LEDs, relays, buzzers, and small loads from microcontroller or logic-level signals with minimal base current.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplementary Pair Designs:\u003c\/strong\u003e Pair with the BC548 (NPN) to build push-pull output stages, Class B\/AB audio amplifiers, and H-bridge motor driver sub-circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent Source \u0026amp; Mirror:\u003c\/strong\u003e The BC558's stable gain characteristics make it well-suited for constant current sources and current mirror configurations in analog design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOscillator \u0026amp; Timer Circuits:\u003c\/strong\u003e Incorporate into astable and monostable multivibrator designs, relaxation oscillators, and tone generator projects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Regulation:\u003c\/strong\u003e Use in series-pass regulator designs and bias networks where a PNP transistor is required for proper voltage polarity handling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eProject Ideas\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAudio Preamplifier:\u003c\/strong\u003e Build a simple single-stage or multi-stage audio preamplifier using BC558 transistors to amplify microphone or guitar pickup signals before feeding into a power amplifier.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED Chaser \/ Sequential Flasher:\u003c\/strong\u003e Create an eye-catching LED chaser circuit using BC558 transistors as PNP switches driven by a 555 timer and decade counter combination.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePush-Pull Audio Amplifier:\u003c\/strong\u003e Pair BC558 (PNP) with BC548 (NPN) to construct a complementary symmetry Class AB audio amplifier capable of driving small speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTouch-Activated Switch:\u003c\/strong\u003e Leverage the BC558's high gain to build a touch-sensitive switch where skin resistance on a contact pad triggers a relay or LED through cascaded transistor stages.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRain Detector \/ Moisture Alarm:\u003c\/strong\u003e Design a rain sensor that uses BC558 transistors to amplify the small conductance change across sensor probes and activate a buzzer alarm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLearning \u0026amp; Education:\u003c\/strong\u003e Ideal for electronics students studying BJT biasing, load-line analysis, frequency response, and transistor switching characteristics in lab experiments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Overview\u003c\/h2\u003e\n\u003cp\u003eThe BC558 is a silicon PNP bipolar junction transistor manufactured\u003c\/p\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 BC558 Transistor (Pack of 5) Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003eBC558 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\u003eBC558 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\u003eBC558 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":43773776036003,"sku":"TES-EV102619","price":8.48,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/4479\/7091\/products\/bc558-pnp-epitaxial-silicon-transistor-1-800x8001.jpg?v=1701074447","url":"https:\/\/www.theengineerstore.in\/zh-hant\/products\/bc558-transistor-pack-of-5","provider":"The Engineer Store","version":"1.0","type":"link"}