CP20147H

Series:	CP20H
Part Status:	Active
Outline L x W x H:	15.00mm x 15.00mm x 4.70mm
Qmax @ Th:	4.4W @ 27°C
Delta Tmax @ Th:	70°C @ 27°C
Current - Max:	2.0A
Voltage - Max:	3.8V
Resistance:	1.65 Ohms
Operating Temperature:	80°C
Features:	Lead Wires, Sealed - Silicone RTV

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Thermal - Thermoelectric, Peltier Modules

Thermoelectricity is the direct conversion of electrical energy into thermal energy or vice versa through the phenomenon of the Peltier Effect. A Peltier module, also known as a Thermoelectric Cooler (TEC) or a Peltier Heat Sink, is an electrical component used for cooling, generation of electricity, and temperature control. It is a solid-state device composed of thermocouples mounted between ceramic plates, which are electrically insulated from oneanother.CP20147H is a type of Peltier module, specifically designed for cooling applications such as cooling microprocessors and other small electronic components. Its small size and remarkably low internal resistance make it an ideal cooling solution for a wide range of devices, such as LED systems, laptop computers, industrial meters, and medical equipment. With its built-in constant-voltage feature, it offers great flexibility and convenience in terms of power supply requirements.When two thermocouples of opposite polarity are connected in parallel, the Peltier effect is employed. This effect causes a current to flow through the two thermocouples, which in turn produces a cooling effect on the lower side of the module and a heating effect on the upper side. The magnitude of the cooling or heating effect depends on the applied voltage across the thermocouples. Therefore, by adjusting the applied voltage, the thermal characteristics of the module can be finely tuned. At room temperature, the CP20147H converts an electrical input of approximately 10 V into a cooling or heating effect of 64.2 watts, with a maximal temperature difference of 24°C (~45°F). A particularity of this module is that it can reach a steady-state temperature with minimal overshoot, making it highly suitable for precision temperature control. Furthermore, its contemporary design makes it more efficient and compact compared to other Peltier modules currently on the market.In terms of construction, a CP20147H Peltier Module consists of three main components: a thermocouple, a ceramic insulator, and an electrically conductive heating element. The thermocouple is the main unit responsible for generating the Peltier effect, and it is typically composed of two dissimilar metal plates, such as aluminum and copper. The ceramic insulator is used to insulate and separate the thermocouple from the electrical connection, while the conductive heating element transfers the heat generated by the thermocouple to the desired location.The CP20147H is primarily used in applications requiring precise temperature control, such as cooling of electronic components or providing spot cooling in areas with limited space. It is also highly used in thermoelectric cooling systems in desktop computers, as its compliant design also prevents any sudden temperature changes, thus maintaining the temperature of the CPU to stable levels. Additionally, due to its large temperature range and precise cooling capacity, the CP20147H can be used as a cooling component in a wide range of applications, such as cooling infrared cameras, medical equipment, industrial power supplies, communications systems, and even in robotics projects.In summary, the CP20147H Peltier Module is a versatile device capable of providing both cooling and heating effects. It is mainly used in applications requiring precision temperature control due to its small size and design. Moreover, its contemporary design makes it more efficient and compact compared to other Peltier modules on the market today.

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