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Peltier module offers improved cooling performance

Peltier module offers improved cooling performance

New Products |
By Jean-Pierre Joosting

Cette publication existe aussi en Français


Kyocera Corporation has introduced a new Peltier (thermoelectric) module with improved heat absorption enabling dramatically enhanced cooling performance.

The Peltier modules are primarily used for temperature control of automotive batteries and seats, and this improvement in cooling performance will contribute to battery longevity. As of June 2024, Kyocera has shipped a total of 32 million units for automotive applications.

The Kyocera Peltier modules stand out due to their unique element technology (single crystal growth technology), which enables high heat absorption. Advances in this technology enable the maximum heat absorption capacity [1] to rise 21 percent compared to Kyocera’s conventional products. The new module can absorb heat more efficiently, thereby enhancing cooling performance. 


Delivering high responsiveness, the modules also enable faster heating and cooling, in combination with a copper plate that provides high thermal conductivity. This allows more rapid temperature-control response.

To ensure reliability, the element sides of the Peltier modules are coated with resin to protect them from corrosion due to condensation. Moreover, the entire process, from development to manufacturing and shipping, is handled fast Kyocera’s Japan-based facilities, guaranteeing the highest quality control standards.

The Peltier module is highly customizable with temperature-sensing thermistors and/or heat dissipation fins. Kyocera can also accommodate size adjustments to match the customer’s application and casing requirements, providing a versatile option for a wide range of automotive and other temperature control needs.

[1] Maximum Heat Absorption (Qcmax) refers to the amount of heat absorbed by the Peltier module when operated at maximum current. It is defined as the temperature difference between both ends of the thermoelectric semiconductor being 0°C.

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