DC 12V PWM Fan Speed Controller Module – Buzzer Alarm & NTC
DC 12V PWM Fan Speed Controller Module – Buzzer Alarm & NTC
DC 12V 5A PWM Fan Temperature Speed Controller Module with High-Temp Buzzer Alarm
Take full control of your cooling setup with this compact and reliable DC 12V 5A PWM Fan Temperature Speed Controller Module. 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 high-temperature buzzer alarm alerts you the moment temperatures exceed a safe threshold, giving you peace of mind during intensive workloads.
Whether 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.
Key Features
- PWM Speed Control: Smoothly adjusts fan speed based on detected temperature for optimal airflow and noise balance
- High-Temp Buzzer Alarm: Audible alert triggers automatically when temperatures exceed the preset threshold
- NTC B3950 50K Thermistor: Delivers accurate, responsive temperature sensing across a wide range
- Wide Operating Temperature Range: Rated from -40°C to +85°C, suitable for demanding environments
- DC 12V / 5A Supply: Compatible with standard 12V DC power supplies used in most PC and DIY builds
- Compact SMD Package: Easy to integrate into enclosures, custom builds, and electronics projects
- Voltage Regulator Type: Stable output for consistent fan performance
Specifications
- Supply Voltage: DC 12V
- Max Current: 5A
- Control Method: PWM (Pulse Width Modulation)
- Thermistor: NTC B3950, 50K
- Operating Temperature: -40°C to +85°C
- Package Type: SMD
- Condition: New
- Country of Origin: Made in Mainland China
What's Included
- 1 × DC 12V 5A PWM Fan Temperature Speed Controller Module
- 1 × NTC B3950 50K Thermistor
Related Products You May Like
- Air Compressor Pressure Gauge 0-10/0-12/0-25 Bar | DIY Tool
- Electromagnetic Induction Tester – Coil & Circuit Fault Detector
- Clip-On Car Fan LED Display 199 Speeds | USB & Type-C
Learn more: OSHA guidance on hand and power tools
Frequently Asked Questions
Q: What type of fans is this PWM fan speed controller compatible with?
A: 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.
Q: How does the high-temperature buzzer alarm work?
A: 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.
Q: Can this module be used in non-PC DIY electronics projects?
A: 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.
Q: What is the operating temperature range of this controller?
A: 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.