This is the TEC module 8 A.
TEC-20A-30V Temperature Controller
The TEC-20A-30V Temperature Controller is the simple TEC controller consisting of analog elements and a very small PCB board.
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Manufacturer: Opt Lasers
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About the TEC-20A-30V Temperature Controller
This is the simple TEC controller consisting of analog elements and the very small PCB board. Tiny size and big operating currents make it possible to use this driver in almost any project. Temperature stabilization reaches +-0.4 degrees Celsius accuracy. High current, wide voltage range and high accuracy in a device of only 16.5 x 25.5 mm in size! The driver works in cooling mode and uses voltage feedback from an NTC thermistor.
Thanks to a two-layer board and wide paths it is possible to use TECs with up to 20 A. Connectors allow to use the maximum current of 13 A so if there is a need to supply bigger Peltier cells, wires should be soldered directly into the driver's PCB board.
It is possible to join TECs parallel or in series. Please remember that high current needs proper wiring with bigger cross-section cables.
The maximum current flowing through the device depends on the TEC used. Voltage dropout on a driver is very small so current can be predicted by reading TEC labels. For example, 12704 means 12 V and 4 A. 12715 means 12 V and 15 A.
Recommendations and requirements
We recommended the use of power cables with a minimum cross-section of 0.5 mm2.
The MOSFET must be isolated from the heatsink/plate with the silicon pad as well as the plastic sleeve (included). The short circuit between MOSFET and heatsink/plate can damage the driver and can be dangerous for the device.
Mosfet temperature should be monitored and it can not exceed 70 degrees Celsius.