SKU: SENS-3966
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Generic TEC1-12705 40×40mm 5A Thermoelectric Cooler Peltier Module

₹229.00 (Inclusive of all taxes)
Out of Stock

The TEC1-12705 is a 40×40mm thermoelectric cooler (Peltier) module designed for 12V DC operation, delivering up to 54W of heat pumping capacity. It is a solid-state device ideal for integration into custom cooling systems, temperature control projects, and energy harvesting applications.

Features

  • 40×40mm form factor with 127 thermoelectric couples for efficient heat transfer.
  • Rated for 12V DC operation with a maximum current of 5.2A and power of 54W.
  • Reversible polarity allows switching between heating and cooling modes.
  • Solid-state construction ensures vibration-free, silent, and reliable operation.
  • Includes 25cm pre-attached power leads for easy electrical connection.

Out of stock

Description

The TEC1-12705 operates on the Peltier effect, where applying a DC voltage causes heat to be pumped from one ceramic face to the other, creating distinct hot and cold sides. Its 127 semiconductor couples within the 40mm x 40mm area provide a substantial temperature differential, capable of achieving gradients over 80°C when properly heat-sinked.

Effective operation is contingent on managing the heat rejected from the hot side; failure to use an adequate heatsink will cause the module to reach thermal equilibrium and cease pumping heat. This solid-state design offers a reliable, maintenance-free alternative to compressor-based cooling for applications requiring precise temperature control or compact form factors.

Key Features

  • High-Efficiency Thermoelectric Couples: Incorporates 127 semiconductor pairs within a compact 40x40mm footprint for optimal heat pumping density.
  • Bidirectional Temperature Control: Heating and cooling modes are easily selected by reversing the polarity of the applied DC power supply.
  • Robust Electrical Specifications: Rated for 12V nominal operation (15V max) at up to 5.2A, delivering a maximum heat transfer power of 54W.
  • Solid-State Reliability: No moving parts ensures silent, vibration-free operation with a long service life exceeding 200,000 hours.
  • Pre-Wired for Convenience: Comes with 25cm insulated leads soldered to the module terminals for straightforward system integration.
  • Durable Ceramic Substrates: Features alumina ceramic faces that provide excellent electrical insulation and efficient thermal conduction.

Applications

  • Precision temperature control stages for laser diodes, CCD image sensors, and scientific instrumentation.
  • Compact cooling systems for portable refrigeration, beverage chillers, and dehumidification units.
  • Thermal management solutions for high-power electronics, CPU cooling, and power amplifier heatsinking.
  • Energy harvesting setups utilizing the Seebeck effect to generate electricity from waste heat.
  • Medical and laboratory equipment requiring stable, localized heating or cooling zones.

Technical Specifications

Model NumberTEC1-12705
Dimensions (L x W)40 mm x 40 mm
Nominal Operating Voltage12 V DC
Maximum Operating Voltage (Umax)15 V DC
Maximum Current (Imax)5.2 A
Maximum Power54 W
Internal Resistance2.4 - 2.7 Ω
Number of Thermoelectric Couples127
Wire Length250 mm (25 cm)
Module Weight30 g
Operating PrinciplePeltier Effect (Thermoelectric)

Frequently Asked Questions

What is the maximum voltage and current I can apply to the TEC1-12705?

The module's nominal operating voltage is 12V DC. Do not exceed the maximum ratings of 15V (Umax) and 5.2A (Imax). Applying power beyond these limits will permanently damage the semiconductor junctions and void the module's operational integrity.

Do I need a heatsink when using this Peltier module?

Yes, a heatsink is absolutely mandatory. The hot side must have its heat actively removed via a heatsink (often with a fan) to maintain a temperature differential. Operating the module for more than a few seconds without a heatsink will cause it to overheat and reach thermal stasis, rendering it ineffective.

How do I switch between cooling and heating modes?

The heating and cooling sides are determined by electrical polarity. The side where heat is absorbed (cooled) becomes the cold side. Simply reverse the connections of your DC power supply to swap the hot and cold faces, enabling the module to either heat or cool your target application.

What is the expected lifespan and reliability of this module?

These solid-state thermoelectric modules have a typical lifespan exceeding 200,000 hours of continuous operation under rated conditions. Their failure rate is very low (approximately 0.2%), as they contain no moving parts and are not subject to mechanical wear.

Package Includes

  • 1 x TEC1-12705 Thermoelectric Cooler Module (40x40mm)

Additional Information

Weight 0.03 kg
Dimensions 4 × 4 cm