TEC1-12712 High-Performance Thermoelectric Cooling Module (Peltier Cooler) 40*40mm

SKU: FA2057
Model Number

TEC1-12712
Dimensions

40mm x 40mm x 3.3mm (approx.)
Internal Couples

127
Maximum Voltage

15.4V DC
Maximum Current

12.0A
Max Cooling Power

~110W – 120W
Max Temp Difference

≥68°C
Operating Temp Range

-50°C to +80°C
Internal Resistance

0.8 ~ 1.0 Ω
Lead Wire

150mm (Approx.) 16-18 AWG
Product Description
The TEC1-12712 is an ultra-high-capacity thermoelectric cooler (TEC) engineered for the most demanding thermal management challenges. Operating on the Peltier effect, this industrial-grade solid-state device acts as a powerful heat pump, capable of moving up to 110W–120W of heat energy in a compact 40mm footprint. With a massive 12-Ampere current rating, the 12712 is designed for applications where standard cooling modules lack the “thermal muscle” required to maintain sub-ambient temperatures under heavy loads.
Constructed with 127 internal high-purity bismuth telluride semiconductor couples, the TEC1-12712 offers a silent, vibration-free alternative to traditional mechanical refrigeration. Its reinforced ceramic plates are designed for maximum durability and precise temperature control. Whether you are building an industrial liquid chiller, an active sub-zero CPU cooling system, or a high-performance medical refrigeration unit, the 12712 provides the ultimate in solid-state cooling power.
Key Features
  • Ultra-High Heat Pumping: One of the most powerful single-stage 40mm modules available, designed for aggressive heat dissipation up to 120W.
  • Solid-State Reliability: No moving parts, no mechanical wear, and no circulating refrigerants, ensuring silent operation and an exceptionally long service life.
  • Precision Thermal Management: Enables sub-degree temperature stability when integrated with high-precision PWM or PID control systems.
  • High Delta-T: Capable of achieving a maximum temperature difference () of up to 68°C–70°C in ideal conditions.
  • Instant Response: Rapidly switches between cooling and heating modes by simply reversing the DC polarity.
  • Eco-Friendly: Fully RoHS compliant; operates without CFCs, HCFCs, or other harmful greenhouse gases.
Usage & Applications
  • High-End Computing: Active cooling for extreme overclocking of CPUs and GPUs; often used in custom sub-ambient liquid cooling loops.
  • Industrial Refrigeration: Core component for high-capacity wine chillers, portable medical refrigerators, and laboratory cold-storage units.
  • Medical & Biotech: Precise thermal stabilization for DNA amplification (PCR) machines and large-volume vaccine transport.
  • Scientific Research: Cooling high-resolution infrared sensors, laser diodes, and CCD arrays in spectroscopy and aerospace.
  • DIY High-Power Projects: Building custom water chillers for aquariums, small-scale air conditioning units, or cloud chambers.
Q: Do I need a special heatsink for the 12A model?

Yes, absolutely. The 12712 generates a massive amount of waste heat on its “hot side.” Standard air-cooled heatsinks are almost always insufficient. We strongly recommend using high-performance liquid cooling or massive copper heat-pipe towers to prevent the module from failing due to internal heat saturation

Q: Can I run this directly from a 12V 15A power supply?

Yes. While the module is rated for up to 15.4V, it is optimized for 12V operation. Ensure your power supply can provide a constant, clean 12A–15A to achieve the maximum advertised cooling capacity.

Q: Which side of the module is the cold side?

Generally, the side with the printed model number (TEC1-12712) is the cold side. The blank side is the hot side. You can verify this by applying power for 1 second; the cold side will chill instantly.

Q: Is thermal paste required?

Yes. To ensure proper heat transfer, you must apply a thin, even layer of high-quality thermal grease (TIM) between both ceramic plates and their respective contact surfaces

Q: Can I use this for heating?

Yes. By reversing the red and black wires, the heat flow reverses. The side that was cold will become the heating side, which is useful for specialized incubation or environmental testing systems

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