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  • DC 12V PWM Temperature Controller 4-Wire Fan Speed Governor PC Fan/Alarm STK IC 4-Wire Temperature Fan Speed Controller
  • DC 12V PWM Temperature Controller 4-Wire Fan Speed Governor PC Fan/Alarm STK IC 4-Wire Temperature Fan Speed Controller
  • DC 12V PWM Temperature Controller 4-Wire Fan Speed Governor PC Fan/Alarm STK IC 4-Wire Temperature Fan Speed Controller
  • DC 12V PWM Temperature Controller 4-Wire Fan Speed Governor PC Fan/Alarm STK IC 4-Wire Temperature Fan Speed Controller
  • DC 12V PWM Temperature Controller 4-Wire Fan Speed Governor PC Fan/Alarm STK IC 4-Wire Temperature Fan Speed Controller
  • DC 12V PWM Temperature Controller 4-Wire Fan Speed Governor PC Fan/Alarm STK IC 4-Wire Temperature Fan Speed Controller
DC 12V PWM Temperature Controller 4-Wire Fan Speed Governor PC Fan/Alarm STK IC 4-Wire Temperature Fan Speed Controller
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DC 12V PWM Temperature Controller 4-Wire Fan Speed Governor PC Fan/Alarm STK IC 4-Wire Temperature Fan Speed Controller

  • 1 - 99 Pieces
    $2.30
  • 100 - 999 Pieces
    $2.16
  • >= 1000 Pieces
    $1.99

Customization:

Customized logo（Min.Order: 100000 pieces）
Customized packaging（Min.Order: 100000 pieces）
Graphic customization（Min.Order: 10000 pieces）
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DC 12V PWM Temperature Controller 4-Wire Fan Speed Governor PC Fan/Alarm STK IC 4-Wire Temperature Fan Speed Controller

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Temperature Regulation: A DC 12V PWM-based controller designed to automatically adjust fan speed based on temperature input, ensuring optimal cooling for electronic systems.
  • 4-Wire Compatibility: Supports 4-wire fan configurations, enabling precise speed control and real-time temperature monitoring for devices like PC fans, alarm systems, and industrial cooling units.

Key features

  • 1. Durable FR-4 Material Construction

    • With a robust FR-4 epoxy substrate, ensure long-lasting durability and reliable electrical insulation in harsh environments. The modular design allows easy integration into systems, outperforming rigid, non-modular alternatives*.

  • 2. Precision PWM Temperature Control

    • With advanced PWM (Pulse Width Modulation) technology, achieve precise temperature-based fan speed adjustments to maintain optimal cooling performance automatically.

  • 3. 4-Wire Design for Enhanced Efficiency

    • The 4-wire configuration enables real-time RPM monitoring and control, delivering up to 20% higher efficiency compared to 3-wire systems*. Ideal for demanding applications like PC cooling and alarm systems.

  • 4. Versatile Scenario Adaptability

    • Designed for both home and commercial use, this controller seamlessly adapts to PC cooling systems and alarm setups, ensuring stable temperature regulation in diverse environments.

  • 5. Compliance with Safety Standards

    • Meets industry standards for electrical safety and environmental compliance, guaranteeing reliable and eco-friendly operation.

Product details

DC 12V PWM Temperature Controller 4-Wire Fan Speed Governor PC Fan/Alarm STK IC 4-Wire Temperature Fan Speed Controller

The DC 12V PWM Temperature Controller Fan Controller is a compact, modular integrated circuit designed for precise thermal management in electronic systems. Built with durable FR-4 material, it supports 4-wire fan configurations and offers programmable PWM control to optimize cooling efficiency. Its modular design enables easy integration into PCs, industrial alarms, or custom control systems.

Technical specifications

FeatureSpecificationBenefit
MaterialFR-4 epoxy laminateEnhanced thermal stability and insulation
Voltage Compatibility12V DC ±10%Stable operation across fluctuating power supplies
PWM Frequency25kHzSmooth fan speed control with minimal noise
Temperature Range-10°C to +85°CReliable performance in diverse environments
Connector TypeStandard white modular connectorEasy scalability and system compatibility

Customization guide

Adjustable parameters include PWM duty cycle (5–100%), temperature thresholds, and fan speed curves to meet specific thermal management needs. The modular layout allows for component swapping or additional wiring to adapt to custom projects.

Get inspired

With its FR-4 base, you can ensure long-term durability in harsh environments. Use the programmable temperature thresholds to optimize cooling for high-performance PCs or industrial alarms. With 25kHz PWM, you can reduce fan noise while maintaining efficiency.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
PWM Frequency25kHz50kHz (+100%)100kHz (+300%)*
Max Supported Fans12-34-6 (+300%)
Temperature Accuracy±3°C±1.5°C±0.5°C
Overheat ProtectionBasic alertAdjustable hysteresisAuto-shutdown (+2x reliability)

Supplier's note

  1. Technical Breakthroughs:

    • The Pro Model’s 100kHz PWM frequency reduces fan vibration by 20% compared to traditional 25kHz controllers.
    • The Advanced Model’s ±1.5°C accuracy ensures precise thermal regulation in data centers.
    • The FR-4 material provides 30% better heat dissipation than standard PCBs.

  2. Optimal Version Selection:

    • Base Model: Ideal for home PCs or low-power devices needing basic thermal control.
    • Advanced Model: Suitable for industrial systems requiring multi-fan coordination and tighter temperature control.
    • Pro Model: Best for high-reliability applications like server farms, where auto-shutdown and ultra-precise cooling are critical.

The Pro version’s ±0.5°C accuracy, paired with 100kHz PWM, ensures stable operation in extreme environments—such as automotive electronics—where even minor temperature fluctuations could compromise performance. For DIY projects, the Base Model’s simplicity and cost-effectiveness make it a go-to choice.

Frequently asked questions

  • Which DC 12V PWM temperature controller suits small PC builds or alarm systems?

  • How do I install the 4-wire fan speed controller for optimal performance?

  • Why is FR-4 material used in this fan controller’s circuit board?

  • Does the PWM controller support temperature-based fan speed adjustments?

  • Can this controller be customized for custom electronics projects?

  • Is the DC 12V PWM controller RoHS-compliant and safe for industrial use?

  • What’s the temperature range for this fan speed governor?

  • How does PWM technology benefit fan control compared to traditional methods?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Temperature SensitivityServer cooling, industrial equipmentDetects 30°C–80°C (▲ vs Industry Standard 20°C–70°C) (IEC 60721-3-2)Precise regulation for optimal performance (▲▲ vs Base Model 35°C–75°C)Limited range for extreme environments (e.g., cryogenics or high-heat labs)
PWM Control PrecisionPC gaming builds, data centers0–100% duty cycle (IEC 60747-8) (Industry Standard: 0–90%)Smooth fan speed adjustments for noise reduction (▲▲ Advanced Model: 0.1% increments)Requires PWM-compatible fans (Base Model: 5% increments)
Noise LevelHome theaters, office servers43 dBA (▲ vs Industry Standard 50 dBA) (IEC 60704-1)Quieter than a refrigerator hum (Advanced Model: 38 dBA)May underperform in high-heat scenarios (Base Model: 48 dBA)
Power EfficiencyIoT devices, battery-operated systems92% efficiency (IEC 62301) (Industry Standard: 85%)Low power draw for energy-sensitive applications (▲ Advanced Model: 95%)Higher cost compared to basic controllers (Base Model: 88%)
CompatibilityCustom PC builds, modular systemsSupports 4-wire fans (ATX 2.1) + 3-wire fallback (Industry Standard: 4-wire only)Backward compatibility with legacy systems (▲ Advanced Model: 2-wire support)Limited to standard fan types (Base Model excludes 2-wire support)
ModularityDIY projects, prototypingSolderless connectors (IEC 60207) (Industry Standard: soldered joints)Easy installation and reconfiguration (▲ Advanced Model: hot-swappable ports)Less durable under vibration (Base Model: epoxy-sealed joints)

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