{"product_id":"9v-small-piezo-buzzer","title":"9V Small Piezo  Buzzer","description":"\u003cmeta name=\"description\" content=\"Buy 9V Small Piezo Buzzer 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\u003e9V Small Piezo Buzzer\u003c\/h1\u003e\n\u003cp\u003eCompact and reliable 9V small piezo buzzer, ideal for alarm circuits, notification systems, and embedded electronics projects. This miniature buzzer delivers a clear, audible tone while consuming minimal power, making it a must-have component for hobbyists, students, and professional engineers alike. Available now from The Tech Depot, Bengaluru, with fast shipping and dedicated technical support.\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\u003ePiezoelectric Buzzer (Active)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e9V DC (Range: 3V-12V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Current\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;= 30mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSound Output\u003c\/td\u003e\n\u003ctd\u003e~85dB at 10cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResonant Frequency\u003c\/td\u003e\n\u003ctd\u003e~2.3 kHz (+\/-500 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuzzer Type\u003c\/td\u003e\n\u003ctd\u003eActive (built-in oscillator, continuous tone)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForm Factor\u003c\/td\u003e\n\u003ctd\u003eSmall \/ Miniature cylindrical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e~12mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection\u003c\/td\u003e\n\u003ctd\u003eTwo-wire lead (Red: +, Black: )\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e20 degreesC to +70 degreesC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e~5g\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\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe 9V Small Piezo Buzzer is an active piezoelectric sound-emitting component that produces a steady, attention-grabbing tone when a DC voltage is applied across its terminals. Unlike passive buzzers that require an external oscillating signal, this active buzzer features a built-in oscillation circuit - simply connect power and it beeps immediately. Its compact cylindrical body, lightweight design, and low current draw make it exceptionally easy to integrate into breadboard prototypes, PCB designs, and finished enclosures.\u003c\/p\u003e\n\u003cp\u003ePiezo buzzers work by exploiting the piezoelectric effect: an internal ceramic disc deforms rapidly when voltage is applied, producing sound waves at the component's resonant frequency. This mechanism is inherently durable - there are no moving mechanical parts to wear out - ensuring a long operational lifespan even in continuous-use applications. The 9V rating provides a loud, crisp tone suitable for audible alerts, while the wide operating range (3V-12V) offers flexibility across different power supply configurations.\u003c\/p\u003e\n\u003cp\u003eWhether you're building a security alarm, a kitchen timer, a line-following robot with audio feedback, or a simple continuity tester, this small piezo buzzer delivers dependable performance in a tiny footprint.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eActive Buzzer Design:\u003c\/strong\u003e Built-in oscillator circuit means no external signal generator needed - just apply DC voltage and it sounds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Miniature Size:\u003c\/strong\u003e Approximately 12mm diameter fits easily on breadboards, perfboards, and tight PCB layouts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Voltage Tolerance:\u003c\/strong\u003e Operates from 3V to 12V DC, compatible with 9V batteries, 5V Arduino pins (with transistor driver), and various power supplies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClear Audible Output:\u003c\/strong\u003e ~85dB sound pressure level at 10cm ensures the tone is heard clearly in indoor and moderately noisy environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-Low Power Consumption:\u003c\/strong\u003e Draws \u0026lt;=30mA, preserving battery life in portable and battery-powered projects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo Moving Parts:\u003c\/strong\u003e Piezoelectric mechanism ensures long lifespan, high reliability, and resistance to mechanical wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple Two-Wire Connection:\u003c\/strong\u003e Polarized leads (red positive, black negative) for quick, error-free wiring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight Construction:\u003c\/strong\u003e Weighs only ~5g, adding negligible mass to drones, wearables, and portable devices.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Temperature Range:\u003c\/strong\u003e Functions reliably from 20 degreesC to +70 degreesC, suitable for indoor and outdoor deployments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreadboard \u0026amp; PCB Compatible:\u003c\/strong\u003e Lead spacing and form factor designed for standard prototyping and production boards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose This?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e100% authentic piezo buzzer sourced from trusted and authorized component distributors\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 included - get help with wiring, circuit design, and troubleshooting\u003c\/li\u003e\n\u003cli\u003eTested for quality and consistency before dispatch\u003c\/li\u003e\n\u003cli\u003eIdeal balance of size, volume, and power efficiency for most common applications\u003c\/li\u003e\n\u003cli\u003eTrusted by thousands of engineers, makers, and educational institutions across India\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow It Works\u003c\/h2\u003e\n\u003cp\u003eA piezo buzzer converts electrical energy into mechanical vibration and, consequently, sound. Inside the buzzer housing, a thin piezoelectric ceramic disc is bonded to a metal diaphragm. When a voltage is applied, the ceramic disc expands and contracts at high speed due to the inverse piezoelectric effect. In an active buzzer like this one, a built-in oscillator circuit alternates the voltage at the disc's resonant frequency (~2.3 kHz), causing the diaphragm to vibrate and push air molecules - producing an audible tone.\u003c\/p\u003e\n\u003cp\u003eBecause the oscillation circuit is internal, you only need to supply a steady DC voltage (ideally\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 9V Small Piezo Buzzer Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003e9V Small Piezo Buzzer\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\u003e9V Small Piezo Buzzer\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\u003e9V Small Piezo Buzzer\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":48746554392833,"sku":"TTD-17723","price":18.02,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/c5ec0ea17584fde8e9465e40505bf2dd.jpg?v=1778107464","url":"https:\/\/techdepot.in\/products\/9v-small-piezo-buzzer","provider":"Tech Depot India","version":"1.0","type":"link"}