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Classification of Thermoelectric Coolers

Ferrotec (China) has developed thermo electric devices for various applications according to different market demands. Normally, standard series products can be directly selected, but under certain given conditions, special design of thermoelectric cooler is needed to meet the requirements of cooling capacity, electrical, mechanical and other aspects.

Miniature Module

Miniature Modules are suitable for all kinds of low power cooling or heating occasions, typically used for cooling laser diodes, infrared devices, optical device, electronic equipment and other low power devices. The substrates of standard products are metalized.

Single/Multi-hole Module

Single-hole modules are suitable for medium cooling capacity applications, typically used in industries, electrical equipment, laboratories and optoelectronic equipment and other fields. The height tolerance of the standard product is 0.025 mm.
Multi-hole modules are specially designed for 5.66mm TO-CAN laser diodes. As the contact surface between the cooler and the laser diode is enlarged, it can achieve the target temperature faster, and the temperature is more uniform. Optimized contact surface design makes the performance of laser diode more stable. The products of this series are suitable for laser diodes of ф3.5-9.0.

TE Assembly

Ferrotec provide various types of thermo-electric module assemblies, including air-cooling, liquid-cooling and direct contact. It is suitable for various cooling and heating applications. Typical applications include small refrigerators, small cooling/heating compact cases, test stand, dehumidifiers, scientific instruments and others.

Gold-Tin Module

Gold-Tin Modules are a new generation of high temperature application products developed by using high performance materials and manufacturing processes, in order to meet the application trend of increasing the ambient temperature, typically used for laser transmitters in optical communication industry and high-power small lasers in other industries.

Single/Multi-stage Module

Single-stage modules are suitable for occasions with high cooling capacity and high efficiency requirements, and are widely used in industrial and laboratory equipment. Standard modules have a high accuracy of (±0.025). 20 series modules can be configured according to customer requirements.
Multi-stage modules are designed for significant high temperature difference applications, suitable for occasions requiring small and medium cooling capacity and large temperature difference. Typical applications include I-R detection, CCD and optoelectronics. The design of different stacking modes can meet the requirement of deep cooling. Such modules can achieve a greater temperature difference than standard single-stage modules.

High Power TE Module

High power TE modules are designed to maximize cooling capacity. Because of the high-density semiconductor device arrangement, it can obtain greater cooling capacity and efficiency under the same substrate size. This characteristic of high cooling density can make the heat exchanger smaller and more effective.

Long-life TE Module

Combining high performance materials with special production processes, long-life module can provide longer life and better efficiency in the thermal cycle process, mainly used in PCR and analyzer.

High Performance Micro TE Module

The 20 series of high performance micro modules are a new generation of products developed by Ferrotec with high performance thermoelectric materials and advanced manufacturing technology to meet the harsh high temperature environment and miniaturization trend of devices. They’re typically used in the optical communication industry for laser transmitters, receivers, pump lasers and other products.

Flexible Substrate Module

Ferrotec series flexible substrate modules are specially developed by Ferrotec, which can be flexibly designed and manufactured according to customers’ requirements. They can be designed with built-in thermistor and the metallization of the external surface to facilitate customer's soldering and installation. Copper heat-sink can be directly attached on TE modules.

Customized Module

Ferrotec can design and produce TEC modules of different sizes, shapes, substrate materials and sealing according to customers' requirements.

RTV Silicone Sealed Module

It can effectively prevent the condensation of coolers when they are running below the dew point temperature. If humidity exists in modules for a long time, its performance will be degraded. RTV silicone is flexible after sealing and can be maintained for a long time, which is especially suitable for severe thermal cycling conditions. The environmental temperature is -60℃~+200℃ for effective use of RTV silicone sealed module.

Epoxy Sealed Module

Epoxy resin is used for TEM sealing protection in high temperature environment. Although RTV silicone seals already have moisture-proof function, epoxy resin seals can provide better sealing protection under some conditions where the moisture-proof requirements are very strict. The sealing resin of Ferrotec module not only has a strong bonding force with the base plate, but also maintains a good elasticity after curing. The resistivity of this resin is very high within mega-ohm range. The maximum temperature of epoxy sealed module is recommended to be 80 C.

Application scenario

Power Generation
Optical communication
Automotive Seat
Household appliances
Medical treatment
Semiconductor
Laser Projection

Power Generation

By loading temperature difference on thermoelectric cooler to use its "inverse process", it can be transformed into a small DC generator, providing reliable electrical energy, suitable for a variety of occasions from low-power wireless sensors to large-scale power generation.

Optical communication

In optical fiber communication, TEC is needed to control the optical communication chip’s temperature to avoid wavelength drift in transmitter or receiver module. Thermoelectric cooler has been widely used in optical device packaging.

Automotive Seat

Thermoelectric coolers are widely used in high-end car seats. In addition, they are also indispensable for automobile cup-holders, refrigerators, head-up display and thermal management of automobile power batteries.

Household appliances

Thermoelectric coolers are also widely used in household appliances, such as air conditioners, air purifiers, hot and cold water dispensers, wine cell, electronic refrigerators, etc., which have broad market prospects.

Medical treatment

In the field of medical devices, precise temperature control of thermoelectric coolers is widely used in PCR, biochemical analyzer, thermostatic incubator, body fitness apparatus, gene detection, etc.

Semiconductor

During the semiconductor chip processing, the temperature control of the tooling, special gases, liquids, etc. need to be accurate to +/-0.1℃ to guarantee the accuracy of chip fabrication.

Laser Projection

Thermoelectric cooler can cool and heat some components of projector in limited space (such as laser source, 3LCD liquid crystal panel, fluorescent color wheel, etc.) to ensure the normal use of projector.

Power Generation

Optical communication

Automotive Seat

Household appliances

Medical treatment

Semiconductor

During the semiconductor chip processing, the temperature control of the tooling, special gases, liquids, etc. need to be accurate to +/-0.1℃ to guarantee the accuracy of chip fabrication.

Laser Projection

Matrix diagram of applications in various fields

Display

Optical Fiber Communication

Power Electrons

EV/High-speed Train

Home/Medical Appliance

Other Industry

Thermoelectronics

Thermoelectric Module

Thermal management of semiconductor chip processing;

N2 temperature control device;