{"product_id":"dc-12v-pwm-fan-speed-controller-module-buzzer-alarm-ntc","title":"DC 12V PWM Fan Speed Controller Module – Buzzer Alarm \u0026 NTC","description":"\n\u003ch2\u003eDC 12V 5A PWM Fan Temperature Speed Controller Module with High-Temp Buzzer Alarm\u003c\/h2\u003e\n\u003cp\u003eTake full control of your cooling setup with this compact and reliable \u003cstrong\u003eDC 12V 5A PWM Fan Temperature Speed Controller Module\u003c\/strong\u003e. Featuring an NTC B3950 50K thermistor for accurate temperature sensing, this module automatically adjusts your PC or CPU fan speed based on real-time temperature readings — keeping your system running efficiently and quietly. A built-in \u003cstrong\u003ehigh-temperature buzzer alarm\u003c\/strong\u003e alerts you the moment temperatures exceed a safe threshold, giving you peace of mind during intensive workloads.\u003c\/p\u003e\n\n\u003cp\u003eWhether you're building a custom PC, managing a server rack, or working on a DIY electronics project, this controller delivers professional-grade thermal management in a small SMD package. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePWM Speed Control:\u003c\/strong\u003e Smoothly adjusts fan speed based on detected temperature for optimal airflow and noise balance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Temp Buzzer Alarm:\u003c\/strong\u003e Audible alert triggers automatically when temperatures exceed the preset threshold\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNTC B3950 50K Thermistor:\u003c\/strong\u003e Delivers accurate, responsive temperature sensing across a wide range\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Operating Temperature Range:\u003c\/strong\u003e Rated from -40°C to +85°C, suitable for demanding environments\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDC 12V \/ 5A Supply:\u003c\/strong\u003e Compatible with standard 12V DC power supplies used in most PC and DIY builds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact SMD Package:\u003c\/strong\u003e Easy to integrate into enclosures, custom builds, and electronics projects\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage Regulator Type:\u003c\/strong\u003e Stable output for consistent fan performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e DC 12V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMax Current:\u003c\/strong\u003e 5A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eControl Method:\u003c\/strong\u003e PWM (Pulse Width Modulation)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThermistor:\u003c\/strong\u003e NTC B3950, 50K\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -40°C to +85°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e SMD\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × DC 12V 5A PWM Fan Temperature Speed Controller Module\u003c\/li\u003e\n  \u003cli\u003e1 × NTC B3950 50K Thermistor\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\/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  \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\/clip-on-car-fan-led-display-199-speeds-usb-type-c\"\u003eClip-On Car Fan LED Display 199 Speeds | USB \u0026amp; Type-C\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: What type of fans is this PWM fan speed controller compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This DC 12V PWM fan speed controller is compatible with standard 12V DC PC and CPU fans, as well as most brushless fans used in DIY electronics, server builds, and custom cooling systems. Ensure your fan's operating voltage and current draw are within the 12V \/ 5A rated capacity of this module.\u003c\/p\u003e\n\u003ch4\u003eQ: How does the high-temperature buzzer alarm work?\u003c\/h4\u003e\n\u003cp\u003eA: The built-in buzzer alarm is triggered automatically when the NTC B3950 50K thermistor detects that the ambient or component temperature has exceeded a preset threshold. This provides an immediate audible alert so you can take action before your system overheats.\u003c\/p\u003e\n\u003ch4\u003eQ: Can this module be used in non-PC DIY electronics projects?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! While it is ideal for PC and CPU cooling applications, this PWM temperature speed controller module is versatile enough for a wide range of DIY electronics projects where automatic fan control and overheat alerting are needed — such as 3D printers, laser cutters, amplifiers, and custom enclosures.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the operating temperature range of this controller?\u003c\/h4\u003e\n\u003cp\u003eA: This module is rated to operate reliably between -40°C and +85°C, making it suitable for use in both standard indoor environments and more demanding industrial or outdoor enclosures.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What type of fans is this PWM fan speed controller compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This DC 12V PWM fan speed controller is compatible with standard 12V DC PC and CPU fans, as well as most brushless fans used in DIY electronics, server builds, and custom cooling systems. Ensure your fan's operating voltage and current draw are within the 12V \/ 5A rated capacity of this module.\"}}, {\"@type\": \"Question\", \"name\": \"How does the high-temperature buzzer alarm work?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The built-in buzzer alarm is triggered automatically when the NTC B3950 50K thermistor detects that the ambient or component temperature has exceeded a preset threshold. This provides an immediate audible alert so you can take action before your system overheats.\"}}, {\"@type\": \"Question\", \"name\": \"Can this module be used in non-PC DIY electronics projects?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! While it is ideal for PC and CPU cooling applications, this PWM temperature speed controller module is versatile enough for a wide range of DIY electronics projects where automatic fan control and overheat alerting are needed — such as 3D printers, laser cutters, amplifiers, and custom enclosures.\"}}, {\"@type\": \"Question\", \"name\": \"What is the operating temperature range of this controller?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This module is rated to operate reliably between -40°C and +85°C, making it suitable for use in both standard indoor environments and more demanding industrial or outdoor enclosures.\"}}]}\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\": \"DC 12V PWM Fan Speed Controller Module – Buzzer Alarm \u0026 NTC\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/products\/dc-12v-pwm-fan-temperature-speed-controller-buzzer-alarm-ntc-thermistor\"}]}\u003c\/script\u003e","brand":"Axl","offers":[{"title":"Default Title","offer_id":43692618350653,"sku":"\u003cnone\u003e","price":12.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/3439\/0333\/files\/Se622641aef1446a19b66c213495ac4f9N.webp?v=1790177773","url":"https:\/\/qtiply.com\/products\/dc-12v-pwm-fan-speed-controller-module-buzzer-alarm-ntc","provider":"QTP","version":"1.0","type":"link"}