The TEC1-12704 Thermoelectric Cooler 4A Peltier Module is the simple application of Peltier Thermoelectric Effect. The module features 127 semiconductor couples in the area of 40mmx40mm which very effectively cools and heats up to 70°C.

Thermoelectric coolers also are known as TEC or Peltier Module create a temperature differential on each side. One side gets hot and the other side gets cool. Therefore, they can be used to either warm something up or cool something down, depending on which side you use. You can also take advantage of a temperature differential to generate electricity.

A DIY Heatsink Kit for Thermoelectric Coolers (Peltier) is an essential component for cooling applications using Peltier modules, which are thermoelectric devices that transfer heat from one side to the other when a voltage is applied. These modules are commonly used in cooling systems where traditional refrigeration methods are not feasible, such as in portable coolers, electronics cooling, and experimental setups.

1. Peltier Module:

   • The Peltier module (also called a thermoelectric cooler) is the core of the system. It consists of semiconductor materials that create a temperature difference between two sides when powered by DC voltage. One side absorbs heat, while the other side releases it.
   • The hot side of the Peltier module must be effectively cooled, and this is where the heatsink kit comes in.

2. Heatsink:

   • The heatsink is a passive cooling device that helps dissipate the heat from the hot side of the Peltier module. Made from materials with high thermal conductivity (such as aluminum or copper), the heatsink typically features fins that increase the surface area for heat dissipation, improving efficiency.
   • The heatsink is attached to the hot side of the Peltier module, ensuring that heat is transferred away efficiently.

3. Thermal Paste:

   • Thermal paste or thermal compound is used to improve the thermal contact between the Peltier module and the heatsink. It fills in any microscopic gaps between the surfaces, ensuring maximum heat transfer and preventing air pockets that could hinder thermal conductivity.

4. Fan:

   • Often, a fan is included in the kit to enhance heat dissipation from the heatsink. A fan helps to move air over the heatsink fins, speeding up the removal of heat from the system and improving cooling efficiency. Fans may vary in size and voltage, but a common size is 40mm or 50mm.

5. Mounting Hardware:

   • Mounting clips, screws, or brackets are included to securely fasten the Peltier module to the heatsink, ensuring proper contact for heat transfer. These allow you to easily assemble and disassemble the system.

6. Power Supply:

   • A DC power supply is required to provide the necessary voltage and current to the Peltier module. It ensures that the module can create the required temperature differential.

7. Insulation:

   • Insulation materials may be included in some kits to prevent heat loss or gain during the cooling process. This is particularly useful when cooling small enclosures or specific components.

1. The Peltier module is powered by a DC voltage, which causes it to transfer heat from its cold side to its hot side.
2. The cold side of the Peltier module can be attached to an object or space that needs cooling, while the hot side must be kept cool using the heatsink.
3. The heatsink dissipates the heat collected by the hot side of the Peltier module. The larger the surface area and airflow, the better the heat dissipation, which is why fins and fans are crucial components.

The TEC1-12703 30x30mm Thermoelectric Cooler 3A Peltier Module is the simple application of Peltier Thermoelectric Effect. The module features 127 semiconductor couples in the area of 30mmx30mm.

Thermoelectric coolers also are known as TEC or Peltier Module create a temperature differential on each side. One side gets hot and the other side gets cool. Therefore, they can be used to either warm something up or cool something down, depending on which side you use. You can also take advantage of a temperature differential to generate electricity.

• Small module.
• Easy transition between the hot side to the cool side and vice-versa just by reversing the polarity of the supply.
• Quality tested cooling cells.
• Solid-state, vibration-free, noise-free.
• Simple to install and operate.
• Should use with a heat sink.

• Precise temperature control.
• Solid state, vibration free, noise-free.
• Simple to install and operate.
• Each device is fully inspected and tested.
• Fitted with 14cm insulated leads .
• Perimeter sealer for moisture protection.
• This device must be used in conjunction with a heat sink to avoid burned.
• Get ice cold in minutes or heat to boiling by simply reversing the polarity, used for numerous applications such as cooling your CPU, video card, NANO Reef, laser diode, CCD camera, picnic cooler, beverage cooler , alternate power sources, or even for your own custom car drink warmer/cooler.
• Since they consit primarily of semiconductor material sandwiched between ceramic plates and have no moving parts.
• It will even generate electricity if you apply heat to one side while keeping the other side cold.
• Model TEC1-12715(""TE"" is the abbreviation of Thermo-Electric)

• Flatness /- 0.05mm
• Height of thermoelectric module tolerated /- 0.2mm
• Lead wire 150mm as defaut.
• Sealing Silicone Gel seal, if customer do not request sealing, please specify

• Qmx(ΔT=0) 60-71W
• ΔT max =83^° C

• No moving part, no noise
• Compact Structure, small in size, light in weight
• ROHS Compliant
• Exceptionally reliable in quality, high performance

The 127 couples, 40mm x 40mm size module is a single stage module which is designed for cooling and heating up to 90°C applications.

Technical Specification:

• Size 40x40x3.4mm (WxDxH)
• Imax 5A
• Umax 15.4V
• Qmax (ΔT =0) 42.5W
• ΔT max. = 65°C

• No Moving Parts, no noise
• Compact Structure, small in size, light in weight
• ROHS Compliant
• Exceptionally Realiable in quanlity, high performance