40155-502

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Thermal - Thermoelectric, Peltier Modules

The 40155-502 is a thermoelectric module (TEM) that is popular in a number of different applications. It is commonly used in cooling and heating duties such as controlling temperature in electrical enclosures, hot beds for 3D printers, and other thermal systems across a wide range of industries. This module is designed to operate at high efficiencies, and with a wide operating temperature range.

Basic thermoelectric modules are composed of two ceramic plates, each containing a semiconductor element or p-type and n-type materials. Heat generated at one junction is removed at the other and as a result the hot side gets colder and the cold side hotter. This temperature differential is called the Seebeck Effect and forms the basis for the operation of the TEM.

Electrical Characteristics of 40155-502 Module

The 40155-502 module is desgined for a maximum operational temperature of up to 240°C and a wide operational voltage range of up to 18V for cooling applications or up to 50V for heating applications. For optimal performance, it is recommended to adjust the target temperature of the hot side to an operational range of +75 °C to +95°C using a PWM control.

Applications of the 40155-502

The 40155-502 TEM can be used in a variety of applications including:

• Electrical enclosures
• Thermal management of large-scale industrial systems
• Temperature control of medical equipment
• Industrial refrigeration and other thermal systems
• Hot beds for 3D printers

Working Principle of 40155-502

The 40155-502 TEM works on a simple physical principle. By passing current through two dissimilar materials (a p-type and an n-type germanium-telluride diode) heat is drawn from one side of the diode and transferred to the other. This heat transfer process is known as the Peltier Effect and is the basis of operation for the 40155-502 TEM.

The 40155-502 TEM module is designed with a thermally conductive backing plate to increase the rate of heat transfer when mounted correctly. This allows the module to reach the desired temperature much more quickly and efficiently and also eliminates thermal hotspots.

Conclusion

The 40155-502 TEM is a reliable and efficient thermoelectric module that can be used in a wide range of applications. Its high operational temperature and wide operating voltage make it particularly suitable for controlling temperatures in electrical enclosures, hot beds for 3D printers, and other thermal systems. The Peltier Effect on which it operates makes it an ideal choice for applications that require limited space and reliable cooling or heating.

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