TEC1-12706 Thermoelectric Peltier Cooler Module – 40×40mm, 12V DC, 6A

The TEC1-12706 Thermoelectric Peltier Cooler Module is a compact, high-performance solid-state cooling device designed for electronic cooling, DIY refrigeration, temperature control, and scientific applications.

Using the Peltier effect, this module transfers heat from one ceramic surface to the other when DC power is applied. One side becomes cold while the opposite side becomes hot, providing an efficient method of localized cooling or heating without compressors, refrigerants, or moving mechanical parts.

With a 40 × 40mm ceramic construction, 12V DC nominal operating voltage, and 6A maximum current rating, the TEC1-12706 is ideal for makers, students, engineers, and electronics technicians developing custom thermal management systems.

Key Features

• Thermoelectric Cooling Technology: Creates a temperature difference between its two surfaces using the Peltier effect.

• 12V DC Operation: Suitable for properly rated DC power supplies.

• 6A Maximum Current: Designed for medium-power thermoelectric applications.

• Compact 40 × 40mm Design: Easily integrates into DIY and custom cooling systems.

• Solid-State Construction: No compressors, refrigerants, or moving mechanical parts.

• Cooling and Heating Capability: Reverse the polarity to change the direction of heat transfer.

• Quiet Operation: The module itself operates without mechanical noise or vibration.

• Ceramic Plates: Provide electrical insulation and thermal contact surfaces.

• Pre-Attached Power Wires: Simplifies installation in electronics projects.

Technical Specifications

Specification	Details
Model	TEC1-12706
Product Type	Thermoelectric Peltier Cooler
Nominal Operating Voltage	12V DC
Maximum Voltage	Approximately 15.4V DC
Maximum Current	Approximately 6A
Dimensions	40 × 40mm
Thickness	Approximately 3.8mm
Thermoelectric Couples	127
Maximum Cooling Capacity	Approximately 50–60W*
Maximum Temperature Differential	Approximately 65–68°C*
Cooling Technology	Solid-State Thermoelectric
Plate Material	Ceramic
Electrical Connections	Red (+), Black (−)
External Heatsink	Required

Maximum cooling capacity and temperature differential are measured under specific laboratory conditions and cannot be achieved simultaneously. Actual performance depends on ambient temperature, heat load, power supply, and heatsink efficiency. Specifications may vary by manufacturer.

Common Applications

• DIY mini refrigerators and portable coolers

• Electronic component cooling

• Beverage cooling systems

• Temperature-controlled enclosures

• Laboratory and scientific experiments

• Robotics and STEM projects

• Custom thermoelectric cooling systems

• Small equipment cooling

• DIY heating and cooling devices

• Electronics prototyping

Installation and Safety Instructions

Important: Proper heatsink installation is required before powering the module.

The hot side of the TEC1-12706 must be connected to an appropriately sized heatsink, preferably with forced-air or liquid cooling, to dissipate the heat generated during operation.

For best results:

• Use a regulated 12V DC power supply with adequate current capacity.

• Apply thermal paste between the module and heatsink surfaces.

• Ensure proper heat dissipation from the hot side.

• Never operate the module without sufficient cooling.

• Avoid exceeding the rated voltage or current.

• Avoid excessive mounting pressure on the ceramic surfaces.

• Prevent condensation from contacting exposed electrical connections.

• Allow the module to return to ambient temperature before handling after operation.

Package Includes

• 1 × TEC1-12706 Thermoelectric Peltier Cooler Module – 40×40mm, 12V DC, 6A

Power supply, heatsink, cooling fan, and thermal paste are not included.

An excellent solution for students, electronics enthusiasts, engineers, and makers developing thermoelectric cooling and temperature-control projects.