{"product_id":"lm7809-9v-linear-voltage-regulator-1-5a-ic-7809","title":"LM7809 9V Linear Voltage Regulator 1.5A IC 7809","description":"\u003cmeta name=\"description\" content=\"Buy LM7809 9V Linear Voltage Regulator 15A IC 7809 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\u003eLM7809 9V Linear Voltage Regulator 1.5A IC 7809\u003c\/h1\u003e\n\n\u003cp\u003eThe LM7809 is a robust 3-terminal positive voltage regulator IC that delivers a stable 9V DC output with up to 1.5A of current. Featuring built-in thermal overload protection, short-circuit current limiting, and safe operating area protection, this TO-220 package regulator is an industry-standard solution for powering 9V circuits from higher unregulated DC sources. Available now from The Tech Depot, Bengaluru - trusted by makers and professionals across India. Fast shipping, 7-day warranty on manufacturing defects, and expert technical support included.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFixed 9V Output:\u003c\/strong\u003e Provides a precisely regulated 9V DC output voltage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.5A Output Current:\u003c\/strong\u003e Capable of delivering up to 1.5A continuous load current\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-In Protections:\u003c\/strong\u003e Thermal overload, short-circuit current limiting, and safe operating area (SOA) protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Input Range:\u003c\/strong\u003e Accepts input voltage from 11V to 35V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTO-220 Package:\u003c\/strong\u003e Industry-standard 3-pin through-hole package with heatsink tab for easy thermal management\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Output Noise:\u003c\/strong\u003e Clean, stable DC output ideal for analog and sensitive circuits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrop-In Replacement:\u003c\/strong\u003e Pin-compatible with UA7809, MC7809, KA7809, and other 78xx family equivalents\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eLM7809 \/ IC 7809\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRegulator Type\u003c\/td\u003e\n\u003ctd\u003ePositive Linear Voltage Regulator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e9V DC (Fixed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current (Max)\u003c\/td\u003e\n\u003ctd\u003e1.5A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e11V to 35V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDropout Voltage\u003c\/td\u003e\n\u003ctd\u003e~2V (minimum input 11V for 9V output)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage Tolerance\u003c\/td\u003e\n\u003ctd\u003e+\/-4% (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLine Regulation\u003c\/td\u003e\n\u003ctd\u003e4mV to 100mV (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoad Regulation\u003c\/td\u003e\n\u003ctd\u003e9mV to 100mV (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuiescent Current\u003c\/td\u003e\n\u003ctd\u003e~5mA (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRipple Rejection\u003c\/td\u003e\n\u003ctd\u003e62dB (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eTO-220 (3-Pin Through-Hole)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePin Configuration\u003c\/td\u003e\n\u003ctd\u003ePin 1: Input | Pin 2: GND | Pin 3: Output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 degreesC to +125 degreesC (junction)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Protection\u003c\/td\u003e\n\u003ctd\u003eYes - Internal Thermal Overload Shutdown\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShort-Circuit Protection\u003c\/td\u003e\n\u003ctd\u003eYes - Internal Current Limiting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eThrough-hole; heatsink mountable via TO-220 tab\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eOriginal \/ Authentic IC\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\u003ePin Configuration (TO-220)\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePin Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePin Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eINPUT\u003c\/td\u003e\n\u003ctd\u003eUnregulated DC input voltage (11V-35V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eGND\u003c\/td\u003e\n\u003ctd\u003eGround \/ Common reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eOUTPUT\u003c\/td\u003e\n\u003ctd\u003eRegulated 9V DC output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eHow to Use the LM7809\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBasic Wiring:\u003c\/strong\u003e Connect unregulated DC (11V-35V) to Pin 1 (INPUT), ground to Pin 2 (GND), and take regulated 9V from Pin 3 (OUTPUT).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Capacitor:\u003c\/strong\u003e Place a 0.33uF ceramic or electrolytic capacitor between the INPUT pin and GND, close to the IC, to prevent oscillation - especially if the power source is far from the regulator.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Capacitor:\u003c\/strong\u003e Place a 0.1uF ceramic capacitor between the OUTPUT pin and GND to improve transient response and output stability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeatsink Requirement:\u003c\/strong\u003e At higher input voltages or load currents, the IC dissipates significant heat. Calculate power dissipation as P = (Vin 9V) x Iload. Use an appropriate TO-220 heatsink when dissipation exceeds 1W.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Load:\u003c\/strong\u003e The LM7809 requires a minimum load current of approximately 5mA for proper regulation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Diodes:\u003c\/strong\u003e For applications with large output capacitors, add a reverse-biased diode from output to input to protect the IC during power-off discharge.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose The L\u003c\/h2\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 LM7809 9V Linear Voltage Regulator 1.5A IC 7809 Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003eLM7809 9V Linear Voltage Regulator 1.5A IC 7809\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\u003eLM7809 9V Linear Voltage Regulator 1.5A IC 7809\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\u003eLM7809 9V Linear Voltage Regulator 1.5A IC 7809\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":48745100673281,"sku":"TTD-14475","price":20.99,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/de015d29db323aaf2879229ffd07478d.jpg?v=1778081989","url":"https:\/\/techdepot.in\/products\/lm7809-9v-linear-voltage-regulator-1-5a-ic-7809","provider":"Tech Depot India","version":"1.0","type":"link"}