TEC1-12705 Thermoelectric Peltier Module (40×40mm)

The TEC1-12705 Thermoelectric Cooler Module is a compact and efficient solid-state cooling solution based on Peltier technology. Operating at 12V DC with up to 5A current, this module can generate a significant temperature difference between its hot and cold sides when powered.

With no moving parts, the TEC1-12705 offers silent operation, high reliability, and long service life. Its 40×40mm form factor makes it ideal for space-constrained cooling applications, experimental setups, and DIY electronics projects.

Key Features

• Model: TEC1-12705

• Operating Voltage: 12V DC (Typical)

• Maximum Current: 5A

• Cooling Technology: Thermoelectric (Peltier Effect)

• Size: 40 × 40 mm

• Solid-State Design: No vibration, no noise

• Fast Cooling Response

• Compact & Lightweight

• Maintenance-Free Operation

Technical Specifications

• Maximum Power Consumption: ~60W

• Maximum Temperature Difference (ΔTmax): ~65°C

• Number of Thermocouples: 127

• Polarity Sensitive: Reversing polarity switches hot and cold sides

• Operating Environment: Dry, well-ventilated conditions recommended

Applications

• CPU, GPU, and electronic component cooling

• Portable refrigerators and mini coolers

• Laser diode and sensor temperature control

• Medical and laboratory equipment

• DIY electronics projects

• Automotive coolers and seat cooling systems

• Camera and optical equipment cooling

Package Includes

• 1 × TEC1-12705 Thermoelectric Peltier Module (40×40mm)

Important Notes

• A heatsink and cooling fan are required on the hot side for proper operation

• Use thermal paste for best heat transfer

• Avoid operating without adequate heat dissipation

• Not waterproof — protect from moisture