{"product_id":"tsop-1838b-small","title":"TSOP 1838B small","description":"\u003cmeta name=\"description\" content=\"Buy TSOP 1838B small 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\u003ch1\u003eTSOP 1838B Small - Miniature IR Receiver Module for Remote Control Applications\u003c\/h1\u003e\n\n\u003cp\u003ePremium infrared receiver sensor from The Tech Depot, Bengaluru. Compact form factor ideal for space-constrained designs. Fast shipping, 7-day warranty on manufacturing defects, and dedicated technical support.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eParameter\u003c\/td\u003e\n\u003ctd\u003eDetail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTSOP 1838B (Small Package)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMiniature Infrared Receiver Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCarrier Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e38 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.7V - 5.5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReception Distance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 18 meters (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReception Angle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e+\/-45 degrees (half angle)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eActive low digital pulse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePin Configuration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePin 1: OUT, Pin 2: GND, Pin 3: VCC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSmall epoxy molded (compact form factor)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWavelength Sensitivity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e940 nm (peak)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupply Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~0.35 mA (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBuilt-in Features\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAGC, bandpass filter, demodulator, noise suppression\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNEC, RC5, RC6, Sony SIRC, and other standard IR protocols\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-25 degreesC to +85 degreesC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOriginal \/ 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\u003eSupport\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEmail \u0026amp; WhatsApp 24\/7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eTSOP 1838B Small\u003c\/strong\u003e is a miniaturized infrared receiver module specifically designed to detect 38 kHz modulated IR signals from standard remote controls. This compact variant of the popular TSOP1838 family integrates a photodetector, automatic gain control (AGC), bandpass filter, and demodulator into a single tiny epoxy package, making it the go-to choice when board space is at a premium.\u003c\/p\u003e\n\n\u003cp\u003eThe module receives infrared light pulses from a remote transmitter, filters out ambient light interference, demodulates the 38 kHz carrier, and outputs a clean digital signal that can be directly read by any microcontroller. The active-low output goes LOW when a valid IR signal is detected and remains HIGH during idle periods.\u003c\/p\u003e\n\n\u003cp\u003eIts wide operating voltage range of 2.7V to 5.5V ensures seamless compatibility with both 3.3V and 5V logic systems, including Arduino, ESP32, ESP8266, Raspberry Pi, STM32, PIC, and 8051 microcontrollers. The small form factor makes it especially suitable for compact remote-controlled gadgets, wearable electronics, and miniaturized embedded systems.\u003c\/p\u003e\n\n\u003ch3\u003eKey Technical Highlights\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e38 kHz Optimized\u003c\/strong\u003e: Tuned precisely for the most widely used IR carrier frequency in consumer electronics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Signal Processing\u003c\/strong\u003e: AGC automatically adjusts sensitivity based on signal strength for reliable reception across varying distances\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Noise Immunity\u003c\/strong\u003e: Built-in bandpass filtering rejects ambient light from sunlight, fluorescent lamps, and other IR sources\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimal External Components\u003c\/strong\u003e: Only requires a single decoupling capacitor (100 nF) and optional series resistor (100Ohm) on VCC for stable operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTTL\/CMOS Compatible Output\u003c\/strong\u003e: Direct interface to microcontroller GPIO pins without level shifting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBurst Length Tolerance\u003c\/strong\u003e: Accepts signal bursts from 10 cycles\/burst minimum, compatible with virtually all consumer IR protocols\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose the TSOP 1838B Small?\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% authentic\u003c\/strong\u003e sourced directly from authorized distributors - authentication verified\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-compact package\u003c\/strong\u003e - significantly smaller than standard TSOP1838, perfect for tight PCB layouts and miniature enclosures\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal IR compatibility\u003c\/strong\u003e - works with virtually every TV remote, AC remote, and custom IR transmitter operating at 38 kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug-and-play with Arduino\u003c\/strong\u003e - extensive library support (IRremote, IRLib2) for instant prototyping\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable long-range reception\u003c\/strong\u003e - detects signals up to 18 meters with proper transmitter alignment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow power consumption\u003c\/strong\u003e - draws only 0.35 mA, ideal for battery-powered and solar-powered projects\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide voltage tolerance\u003c\/strong\u003e - operates reliably from 2.7V to 5.5V without external regulators\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial temperature range\u003c\/strong\u003e - performs consistently from -25 degreesC to +85 degreesC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-5 day shipping, 7-8 day delivery\u003c\/strong\u003e from our Bengaluru warehouse to most locations across India\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpert technical support\u003c\/strong\u003e included with every purchase\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow It Works\u003c\/h2\u003e\n\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eIR Signal Transmission\u003c\/strong\u003e: A remote control emits infrared light pulses modulated at 38 kHz, encoding data using protocols like NEC, RC5, or Sony SIRC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptical Reception\u003c\/strong\u003e: The TSOP 1838B's internal photodiode captures the incoming IR light\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBandpass Filtering\u003c\/strong\u003e: The integrated filter passes only 38 kHz signals, rejecting ambient light and other frequency interference\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAGC Processing\u003c\/strong\u003e: Automatic gain control normalizes signal amplitude regardless of distance or transmitter power\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDemodulation\u003c\/strong\u003e: The carrier frequency is stripped away, leaving the raw data envelope\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital Output\u003c\/strong\u003e: A clean active-low digital signal appears on the OUT pin, ready for microcontroller decoding\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eWiring Guide\u003c\/h2\u003e\n\n\u003ch3\u003ePin Configuration (Front View - Dome Facing You)\u003c\/h3\u003e\n\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003ePin\u003c\/td\u003e\n\u003ctd\u003eName\u003c\/td\u003e\n\u003ctd\u003eFunction\u003c\/td\u003e\n\u003ctd\u003eWire Color (Typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1 (Left)\u003c\/td\u003e\n\u003ctd\u003eOUT\u003c\/td\u003e\n\u003ctd\u003eDemodulated digital output (active low)\u003c\/td\u003e\n\u003ctd\u003eYellow \/ White\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2 (Center)\u003c\/td\u003e\n\u003ctd\u003eGND\u003c\/td\u003e\n\u003ctd\u003eGround\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3 (Right)\u003c\/td\u003e\n\u003ctd\u003eVCC\u003c\/td\u003e\n\u003ctd\u003ePower supply (2.7V-5.5V)\u003c\/td\u003e\n\u003ctd\u003eRed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eArduino Uno Connection\u003c\/h3\u003e\n\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eTSOP 1838B Pin\u003c\/td\u003e\n\u003ctd\u003eArduino Uno Pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOUT (Pin 1)\u003c\/td\u003e\n\u003ctd\u003eDigital Pin 11 (or any digital input)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGND (Pin 2)\u003c\/td\u003e\n\u003ctd\u003eGND\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVCC (Pin 3)\u003c\/td\u003e\n\u003ctd\u003e5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cstrong\u003eRecommended\u003c\/strong\u003e: Place a 100 nF ceramic capacitor between VCC and GND as close to the sensor as possible. Optionally add a 100Ohm resistor in series with VCC for additional power supply noise filtering.\n\n###\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 TSOP 1838B small Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003eTSOP 1838B small\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\u003eTSOP 1838B small\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\u003eTSOP 1838B small\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":48746540433665,"sku":"TTD-17495","price":9.54,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/b978ef6ea9a2771e8a1306ffdbeac5d6.jpg?v=1778107156","url":"https:\/\/techdepot.in\/products\/tsop-1838b-small","provider":"Tech Depot India","version":"1.0","type":"link"}