{"product_id":"lm339","title":"LM339","description":"\u003cp\u003e \u003c\/p\u003e\n\u003ch1\u003eLM339 - Quad Comparator IC\u003c\/h1\u003e\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eLM339\u003c\/strong\u003e is a precision quad voltage comparator IC widely used in analog electronics, signal processing, and industrial applications. Available from \u003cstrong\u003eThe Engineer Store, Bengaluru\u003c\/strong\u003e with authentic sourcing, fast delivery, and comprehensive support.\u003c\/p\u003e\n\u003ch2\u003eDetailed Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eParameter\u003c\/td\u003e\n\u003ctd\u003eDetails\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eComponent Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eQuad Comparator IC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTexas Instruments (Original)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDIP-14 \/ SMD Options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e+\/-15V or Single 3-32V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOpen Collector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResponse Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~1.3 microseconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eComparators\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 Independent Units\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100% Authentic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7-day warranty on manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTechnical Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24\/7 Email \u0026amp; WhatsApp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQuad Comparators\u003c\/strong\u003e - Four independent comparison units in single package\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLow Power Consumption\u003c\/strong\u003e - Ideal for battery-powered applications\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWide Supply Range\u003c\/strong\u003e - Flexible voltage options (+\/-15V or 3-32V single supply)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFast Response\u003c\/strong\u003e - 1.3us typical response time\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOpen Collector Output\u003c\/strong\u003e - Easy interfacing with TTL\/CMOS logic\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIndustrial Grade\u003c\/strong\u003e - Temperature stable and reliable\u003c\/p\u003e\n\u003ch2\u003eWhy Choose LM339 from The Engineer Store?\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdvantage\u003c\/td\u003e\n\u003ctd\u003eBenefit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSourced from authorized Texas Instruments distributors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFast Shipping\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1-5 day shipping, 7-8 day delivery from Bengaluru warehouse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTechnical guidance for circuit design \u0026amp; troubleshooting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e7-day warranty on manufacturing defects\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFull manufacturer coverage against defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompetitive Pricing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWholesale rates on bulk orders (10+ units)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuality Assured\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAuthentication verification on every unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eApplications \u0026amp; Project Ideas\u003c\/h2\u003e\n\u003ch3\u003eDIY Electronics \u0026amp; Hobbyist Projects\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWindow comparator circuits\u003c\/li\u003e\n\u003cli\u003ePrecision level detection\u003c\/li\u003e\n\u003cli\u003eAnalog-to-digital signal conversion\u003c\/li\u003e\n\u003cli\u003eSensor interface circuits\u003c\/li\u003e\n\u003cli\u003eLED\/relay driver circuits\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProfessional \u0026amp; Industrial Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTemperature monitoring systems\u003c\/li\u003e\n\u003cli\u003eVoltage threshold detection\u003c\/li\u003e\n\u003cli\u003ePrecision measurement instruments\u003c\/li\u003e\n\u003cli\u003eIndustrial control systems\u003c\/li\u003e\n\u003cli\u003eData acquisition systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eLearning \u0026amp; Education\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eElectronics lab experiments\u003c\/li\u003e\n\u003cli\u003eAnalog circuit design courses\u003c\/li\u003e\n\u003cli\u003eMicrocontroller interfacing projects\u003c\/li\u003e\n\u003cli\u003eSignal processing demonstrations\u003c\/li\u003e\n\u003cli\u003eEngineering student projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat's Included in Your Order\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePackage Contents:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1x LM339 Quad Comparator IC (Original)\u003c\/li\u003e\n\u003cli\u003eDatasheet \u0026amp; Technical Documentation\u003c\/li\u003e\n\u003cli\u003eQuick Start Guide\u003c\/li\u003e\n\u003cli\u003e24\/7 Technical Support Access\u003c\/li\u003e\n\u003cli\u003e7-day warranty on manufacturing defects Certificate\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCommon Applications Circuit\u003c\/h2\u003e\n\u003cp\u003e``` Pin Configuration (DIP-14):\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePins 1,2,3: Comparator 1 (Output, +Input, -Input)\u003c\/li\u003e\n\u003cli\u003ePins 5,6,7: Comparator 2\u003c\/li\u003e\n\u003cli\u003ePins 8,9,10: Comparator 3\u003c\/li\u003e\n\u003cli\u003ePins 12,13,14: Comparator 4\u003c\/li\u003e\n\u003cli\u003ePin 4: GND | Pin 11: VCC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e```\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eIs this LM339 100% authentic?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes, every unit is sourced directly from authorized Texas Instruments distributors with full authentication verification and traceability documentation.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat warranty coverage is provided?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003e7-day warranty on manufacturing defects covering manufacturing defects, DOA (Dead on Arrival), and performance issues. Replacement or full refund available.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eHow quickly will I receive the product?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eStandard delivery: 7-8 days to most locations in India from our Bengaluru warehouse. Express options available for urgent orders.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eDo you provide technical support?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes! Our electronics experts provide 24\/7 support via Email and WhatsApp for circuit design, troubleshooting, and application guidance.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat is your return\/replacement policy?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003e7-day returns on manufacturing defects only with full refund or replacement. applicable on manufacturing defects only policy for manufacturing defects.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eAre bulk discounts available?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes! Special wholesale pricing available for orders of 10+ units. Contact our sales team for custom quotes.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eWhich package options are available?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eStandard DIP-14 (through-hole) and SMD variants available. Specify your requirement at checkout.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eCan this be used with 5V microcontrollers?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes, the LM339 supports single supply operation from 3V to 32V, making it compatible with 5V Arduino, PIC, and other microcontroller platforms.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003ch2\u003eTechnical Support \u0026amp; Contact\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e support@engineerstore.in\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available 24\/7\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLocation:\u003c\/strong\u003e Bengaluru, India\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCustomer Rating:\u003c\/strong\u003e 4.8\/5 (Based on verified purchases)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOrder your LM339 today and get free technical guidance for your next electronics project!\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eBuy LM339 Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003eLM339\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\u003eLM339\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\u003eLM339\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":43774022975651,"sku":"TES-EV103378","price":10.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/4479\/7091\/products\/Untitleddesign_13_59af7572-e4cc-4eb5-acda-93e65932e459.png?v=1701075946","url":"https:\/\/www.theengineerstore.in\/zh-hans\/products\/lm339","provider":"The Engineer Store","version":"1.0","type":"link"}