{"product_id":"tip122-darlington-npn-transistor-pack-of-5","title":"TIP122 Darlington NPN Transistor - (Pack of 5)","description":"\u003cmeta name=\"description\" content=\"Buy TIP122 Darlington NPN Transistor Pack of 5 online in India at best price from The Tech Depot, Bengaluru. Authentic product, 7-day warranty on manufacturing defects, fast delivery across India.\"\u003e\n```html\n\u003ch1\u003eTIP122 Darlington NPN Transistor - (Pack of 5)\u003c\/h1\u003e\n\u003cp\u003eGet a pack of 5 TIP122 Darlington NPN transistors - high-gain, high-current power transistors ideal for motor driving, relay control, and switching applications. From The Tech Depot, Bengaluru. Fast shipping, 7-day warranty on manufacturing defects, and dedicated support.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransistor Type\u003c\/td\u003e\n\u003ctd\u003eNPN Darlington Pair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eTO-220\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Collector-Emitter Voltage (Vce)\u003c\/td\u003e\n\u003ctd\u003e100V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Collector Current (Ic)\u003c\/td\u003e\n\u003ctd\u003e5A (continuous)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC Current Gain (hFE)\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;= 1000 (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Power Dissipation\u003c\/td\u003e\n\u003ctd\u003e65W (with heatsink)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBase-Emitter Saturation Voltage\u003c\/td\u003e\n\u003ctd\u003e~2.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCollector-Emitter Saturation Voltage\u003c\/td\u003e\n\u003ctd\u003e~2V @ Ic = 3A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Pins\u003c\/td\u003e\n\u003ctd\u003e3 (Base, Collector, Emitter)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e5 Pieces\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\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Current Gain (hFE \u0026gt;= 1000):\u003c\/strong\u003e Darlington configuration delivers exceptional gain, allowing a tiny base current from a microcontroller to switch several amps of load current.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5A Continuous Collector Current:\u003c\/strong\u003e Comfortably drives DC motors, solenoids, relays, high-power LEDs, and resistive heating elements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100V Collector-Emitter Voltage:\u003c\/strong\u003e Provides ample voltage headroom for 12V, 24V, and even 48V load circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e65W Power Dissipation (with Heatsink):\u003c\/strong\u003e TO-220 package bolts directly to a heatsink for sustained high-power operation without thermal runaway.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in Base-Emitter Resistor:\u003c\/strong\u003e Internal resistor network ensures clean turn-off and reduces external component count.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Flyback Diode:\u003c\/strong\u003e Internal collector-emitter damper diode protects against inductive kickback from motors and relays.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Microcontroller Compatibility:\u003c\/strong\u003e Can be driven directly from 3.3V or 5V logic through a simple base resistor - no additional driver stage needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustry-Standard TO-220 Package:\u003c\/strong\u003e Easy to mount on breadboards, perfboards, PCBs, or heatsinks with standard M3 hardware.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack of 5:\u003c\/strong\u003e Ideal quantity for multi-channel projects, classroom kits, or keeping spares on hand.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose This?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e100% authentic TIP122 transistors sourced from trusted, authorized suppliers\u003c\/li\u003e\n\u003cli\u003eIndividually tested and inspected before dispatch\u003c\/li\u003e\n\u003cli\u003e1-5 day shipping, 7-8 day delivery across India from our Bengaluru warehouse\u003c\/li\u003e\n\u003cli\u003eExpert technical support to help you integrate the TIP122 into your circuit\u003c\/li\u003e\n\u003cli\u003eValue pack of 5 - lower per-unit cost for multi-transistor designs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow the TIP122 Darlington Transistor Works\u003c\/h2\u003e\n\u003cp\u003eThe TIP122 is a \u003cstrong\u003eDarlington pair\u003c\/strong\u003e - two NPN transistors connected internally so the emitter of the first feeds the base of the second. This cascaded arrangement multiplies the individual gains, producing an overall hFE of 1000 or more. In practical terms, a base current of just 3-5 mA (easily supplied by an Arduino or Raspberry Pi GPIO pin through a 1 kOhm resistor) can fully saturate the transistor and switch up to 5A of load current.\u003c\/p\u003e\n\u003cp\u003eThe TO-220 package includes a metal tab connected to the collector, making it simple to bolt the transistor to an aluminium heatsink for thermal management in continuous-duty applications. An internal damper diode from collector to emitter provides built-in protection when switching inductive loads such as motors or relay coils.\u003c\/p\u003e\n\n\u003ch2\u003ePin Configuration (TO-220, front face, left to right)\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003ePin 1\u003c\/td\u003e\n\u003ctd\u003eBase (B)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePin 2\u003c\/td\u003e\n\u003ctd\u003eCollector (C) - also connected to metal tab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePin 3\u003c\/td\u003e\n\u003ctd\u003eEmitter (E)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eProject Ideas\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC Motor Speed Controller:\u003c\/strong\u003e Use PWM from an Arduino to vary motor speed through the TIP122 - perfect for robotics, conveyor belts, and fan control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelay Driver Module:\u003c\/strong\u003e Safely interface 5V logic with 12V or 24V relay coils for home automation switching.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED Strip \/ High-Power LED Driver:\u003c\/strong\u003e Switch 12V LED strips on and off\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 TIP122 Darlington NPN Transistor - (Pack of 5) Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003eTIP122 Darlington NPN Transistor - (Pack of 5)\u003c\/strong\u003e online at \u003ca href=\"https:\/\/thetechdepot.in\"\u003eThe Tech Depot\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\u003eTIP122 Darlington 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\u003eTIP122 Darlington NPN Transistor - (Pack of 5)\u003c\/strong\u003e at the best price in India? The Tech Depot 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":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48746537943297,"sku":"TTD-17447","price":56.18,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/0ba09ba6b3be62cc9d83ae9bcbb2e6fb.jpg?v=1778107091","url":"https:\/\/techdepot.in\/products\/tip122-darlington-npn-transistor-pack-of-5","provider":"Tech Depot India","version":"1.0","type":"link"}