The TEC1-12704 is a 12V solid-state thermoelectric cooling module. It transfers heat from one side to the other using the Peltier effect when DC current passes through it.Core Specifications

• Voltage: 12V nominal (15.4V max)
• Current: 4 Amps max
• Cooling Power: ~36W to 50W
• Size: 40mm x 40mm x 3.6mm
• Temp Difference: Up to 66C max between sides

Critical Usage Rules

• Heat Sink Required: Never power the module for more than 2 seconds without a heat sink on the hot side, or it will burn out immediately.
• Thermal Paste: Always apply thermal compound between the module and the heat sinks.
• Reversible: Swap the positive and negative wires to reverse the direction of heat transfer.