{"product_id":"80mm-axial-cooling-fan-12v-dc-80x80x25mm-3-pin","title":"80mm Axial Cooling Fan 12V DC — 80×80×25mm, 3-Pin PWM","description":"\u003ch2\u003e80mm Axial Cooling Fan 12V DC — 80×80×25mm, 3-Pin PWM\u003c\/h2\u003e\n\n\u003cp\u003eA standard \u003cstrong\u003e80×80×25mm (80mm) axial cooling fan\u003c\/strong\u003e running on \u003cstrong\u003e12V DC\u003c\/strong\u003e with a \u003cstrong\u003e3-pin connector\u003c\/strong\u003e (VCC \/ GND \/ Tachometer). The 80mm fan is the most common size for \u003cstrong\u003eelectronics enclosures, DIY power supplies, and general-purpose cooling\u003c\/strong\u003e. Higher airflow than 40mm fans — suitable for cooling larger enclosures and heat-generating components. The tachometer output allows fan speed monitoring via Arduino or fan controller.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSize: \u003cstrong\u003e80×80×25mm\u003c\/strong\u003e | Voltage: \u003cstrong\u003e12V DC\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eConnector: \u003cstrong\u003e3-pin (VCC \/ GND \/ Tachometer)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAirflow: \u003cstrong\u003e~30–40 CFM\u003c\/strong\u003e | Noise: \u003cstrong\u003e~30–35 dBA\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSpeed: \u003cstrong\u003e~2000–2500 RPM\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMounting: \u003cstrong\u003e4 corner M4 screw holes\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompliance: \u003cstrong\u003eRoHS compliant\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFan Size Comparison\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e40mm (4010)\u003c\/strong\u003e: Compact, low airflow — for tight spaces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e80mm (this fan)\u003c\/strong\u003e: Standard, good airflow — for enclosures and PSUs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e120mm+\u003c\/strong\u003e: High airflow, low noise — for large enclosures\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTachometer Output\u003c\/h3\u003e\n\u003cp\u003eThe 3rd pin outputs a pulse signal (2 pulses per revolution). Connect to Arduino interrupt pin to measure RPM: \u003ccode\u003eRPM = (pulseCount \/ 2) × 60\u003c\/code\u003e\u003c\/p\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eElectronics enclosure ventilation\u003c\/li\u003e\n\u003cli\u003eDIY bench power supply cooling\u003c\/li\u003e\n\u003cli\u003ePC case and server cooling\u003c\/li\u003e\n\u003cli\u003eHeatsink forced-air cooling\u003c\/li\u003e\n\u003cli\u003eArduino fan speed monitoring project\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45673030320363,"sku":"","price":17.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/D80SH-12-Axial-Fan-12V.jpg?v=1723007723","url":"https:\/\/keszoox.com\/products\/80mm-axial-cooling-fan-12v-dc-80x80x25mm-3-pin","provider":"Keszoox","version":"1.0","type":"link"}