{"product_id":"95db-electronic-buzzer-3-24v-sfm-27-arduino-alarm-beeper","title":"95dB Electronic Buzzer 3–24V SFM-27 | Arduino Alarm Beeper","description":"\n\u003ch2\u003e95dB High-Decibel Electronic Buzzer – SFM-27 \/ HYT-3015\u003c\/h2\u003e\n\u003cp\u003eThis compact yet powerful electronic buzzer delivers a loud, continuous 95dB beep tone across a wide operating voltage range of 3V to 24V (including standard 12V systems). Compatible with Arduino and other microcontroller platforms, it is an ideal component for DIY alarm circuits, notification systems, project enclosures, and prototyping boards.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e95dB Output:\u003c\/strong\u003e Produces a strong, attention-grabbing continuous beep tone suitable for alarms and alerts.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Voltage Range (3–24V):\u003c\/strong\u003e Works seamlessly with 3.3V logic boards, 5V Arduino setups, 12V automotive circuits, and up to 24V industrial systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel SFM-27 \/ HYT-3015:\u003c\/strong\u003e Industry-standard form factor, easy to source replacement or use as a direct substitute.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eContinuous Beep Operation:\u003c\/strong\u003e Emits a steady tone when powered — no additional oscillator circuit needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Design:\u003c\/strong\u003e Small footprint makes it easy to integrate into enclosures, PCBs, and breadboard setups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eArduino Compatible:\u003c\/strong\u003e Plug directly into your Arduino, Raspberry Pi, or any compatible microcontroller project.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003cth style=\"text-align:left; padding:8px; border:1px solid #ddd;\"\u003eSpecification\u003c\/th\u003e\n    \u003cth style=\"text-align:left; padding:8px; border:1px solid #ddd;\"\u003eDetails\u003c\/th\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eType\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eElectronic Buzzer (Active \/ Continuous Beep)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eModel Number\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eSFM-27 \/ HYT-3015\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eOperating Voltage\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e3V – 24V DC (12V typical)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eSound Output\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e95dB\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eQuantity\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e1 PCS\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eCountry of Origin\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eMade in China\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eGreat For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eArduino \u0026amp; Raspberry Pi alarm projects\u003c\/li\u003e\n  \u003cli\u003eDIY security and notification circuits\u003c\/li\u003e\n  \u003cli\u003eHome automation systems\u003c\/li\u003e\n  \u003cli\u003ePrototype PCB builds and maker projects\u003c\/li\u003e\n  \u003cli\u003eAutomotive and industrial 12V alarm systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is this an active or passive buzzer, and do I need extra components?\u003c\/h4\u003e\n\u003cp\u003eA: This is an active (self-driven) electronic buzzer. It produces a continuous beep tone as soon as power is applied — no external oscillator or additional circuitry is required. Simply connect it to a power source within the 3–24V range and it will sound immediately.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is the SFM-27 buzzer compatible with Arduino?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The SFM-27 electronic buzzer is fully compatible with Arduino, Raspberry Pi, and most microcontroller platforms. It operates at 3.3V and 5V logic levels, making it a convenient drop-in component for your alarm or notification project.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can this buzzer be used in a 12V automotive circuit?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The wide 3–24V operating voltage range includes standard 12V automotive systems, making this buzzer suitable for vehicle alarm circuits, indicator systems, and other 12V electronics applications.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How loud is 95dB — will it be heard clearly?\u003c\/h4\u003e\n\u003cp\u003eA: 95dB is roughly equivalent to the sound level of a loud power tool or motorcycle at close range. It is strong enough to serve as an effective audible alert in most indoor and outdoor applications.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is this an active or passive buzzer, and do I need extra components?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This is an active (self-driven) electronic buzzer. It produces a continuous beep tone as soon as power is applied — no external oscillator or additional circuitry is required. Simply connect it to a power source within the 3–24V range and it will sound immediately.\"}}, {\"@type\": \"Question\", \"name\": \"Is the SFM-27 buzzer compatible with Arduino?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The SFM-27 electronic buzzer is fully compatible with Arduino, Raspberry Pi, and most microcontroller platforms. It operates at 3.3V and 5V logic levels, making it a convenient drop-in component for your alarm or notification project.\"}}, {\"@type\": \"Question\", \"name\": \"Can this buzzer be used in a 12V automotive circuit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. The wide 3–24V operating voltage range includes standard 12V automotive systems, making this buzzer suitable for vehicle alarm circuits, indicator systems, and other 12V electronics applications.\"}}, {\"@type\": \"Question\", \"name\": \"How loud is 95dB — will it be heard clearly?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"95dB is roughly equivalent to the sound level of a loud power tool or motorcycle at close range. It is strong enough to serve as an effective audible alert in most indoor and outdoor applications.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"95dB Electronic Buzzer 3–24V SFM-27 | Arduino Alarm Beeper\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/products\/95db-electronic-buzzer-3-24v-sfm-27-arduino-alarm-beeper\"}]}\u003c\/script\u003e","brand":"Axl","offers":[{"title":"SFM-27- I I","offer_id":44167349370967,"sku":"14:193#SFM-27- I I","price":16.43,"currency_code":"USD","in_stock":true},{"title":"SFM-27- I","offer_id":44167349403735,"sku":"14:365458#SFM-27- I","price":7.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/6008\/7383\/files\/Sb96ee271d87845c488eb8ddf1b205412N.webp?v=1786761382","url":"https:\/\/axlcustomersupport.com\/products\/95db-electronic-buzzer-3-24v-sfm-27-arduino-alarm-beeper","provider":"Axl","version":"1.0","type":"link"}