12706 TEC Thermoelectric Cooler Module – High Efficiency Peltier Device for Precision Cooling

SKU: FA2050
Model Number

TEC1-12706

Dimensions

40mm x 40mm x 3.8mm

Internal Couples

127

Maximum Voltage ( V max)

15.4V DC

Maximum Current (I max )

6.0A

Max Power Consumption

~92W

Maximum Cooling Power ( Qc)

60W

Max Temp Difference (▲T max )

≥66°C

Operating Temp Range

-50°C to +80°C

Lead Wire

150mm (Approx.) 20 AWG

Product Description
The 12706 TEC (Thermoelectric Cooler) is an industry-standard Peltier device designed for high-efficiency solid-state cooling and heating. Operating on the Peltier effect, this compact module creates a significant temperature differential between its two ceramic plates when a DC current is applied. With no moving parts, it offers a silent, vibration-free alternative to traditional compressor-based refrigeration.
Engineered with high-quality bismuth telluride semiconductor couples, the 12706 is capable of generating a maximum temperature difference () of up to 66°C. It is the go-to component for precision temperature control in medical devices, laboratory equipment, and high-performance electronics. Its durable ceramic construction ensures a long service life, making it a reliable choice for both industrial integration and high-end consumer cooling solutions.
Key Features
  • Instant Cooling & Heating: Rapidly changes temperature based on current polarity—perfect for applications requiring both heating and cooling.
  • Solid-State Reliability: No moving parts or circulating fluids, resulting in a maintenance-free lifespan and zero acoustic noise.
  • Precision Temperature Control: Allows for sub-degree temperature stability when paired with a PWM controller or PID system.
  • Compact & Lightweight: Slim 3.8mm profile allows for integration into tight enclosures where traditional cooling is impossible.
  • Eco-Friendly: Fully RoHS compliant and free of CFCs or other ozone-depleting refrigerants.
  • High Pumping Capacity: Capable of moving up to 60W of heat energy, suitable for small-scale refrigeration and CPU chilling.
Usage & Applications
  • Industrial Instruments: Precision cooling for laser diodes, CCD sensors, and laboratory chromatography equipment.
  • Consumer Cooling: Core component for wine chillers, portable 12V car refrigerators, and desktop water dispensers.
  • Medical Technology: Temperature-sensitive storage for vaccines, insulin, and blood samples in portable transport kits.
  • High-End Computing: Chilling CPUs, GPUs, or high-speed SSDs for extreme overclocking environments.
  • Aeronautics & Space: Thermal management in satellites and high-altitude monitoring drones.
Q: Do I need a heatsink to use this module?

Yes, absolutely. A Peltier module must have a high-efficiency heatsink and fan attached to the hot side before power is applied. Operating the device for even a few seconds without heat dissipation will cause the module to overheat and fail permanently.

Q: How do I know which side is the cold side?

Generally, the side with the printed model number (TEC1-12706) is the cold side, and the blank side is the hot side. You can also test this by applying power for 1–2 seconds; one side will begin to chill immediately.

Q: Can I run this module directly from a 12V battery?

Yes, it is optimized for 12V systems (standard car batteries/power supplies). While its maximum voltage is 15.4V, running it at 12V provides the best balance of cooling performance and energy efficiency.

Q: Is it necessary to use thermal paste?

Yes. To ensure proper heat transfer, you must apply a thin, even layer of high-quality thermal grease (TIM) between the ceramic plates of the TEC and the heatsinks on both sides.

Q: What happens if I reverse the red and black wires?

Reversing the polarity will simply reverse the heat flow—the side that was cold will become hot, and vice versa. This makes it very useful for systems that need to maintain a precise temperature in both winter and summer.