On October 30, 2025, Rosenheim, Germany - Tark Thermal Solutions, formerly known as Laird Thermal Systems, a global leader in thermal management solutions, announced the launch of a new custom option in the OptoTECTMMBX thermoelectric cooler (TEC) series, aimed at addressing the emerging thermal challenges in ultra high speed optical transceivers and better empowering the next wave of AI driven data centers.

With the deployment of increasingly larger models and the need to interconnect more servers in ultra large scale data centers and artificial intelligence clusters, the higher bandwidth required between computing and storage nodes has increased transmission speeds from 800Gbps per link to 1.6Tbps. These high-speed links generate more heat in smaller spaces, requiring more compact, efficient, and reliable thermal management solutions to stabilize sensitive laser temperatures, reduce crosstalk, and maintain signal integrity over long distances and multi wavelength links. This efficient miniaturized thermal management solution is crucial for preventing signal attenuation, maintaining laser wavelength stability, and system reliability.

Specially designed for high speed, miniaturization, and high efficiency

The OptoTEC MBX series miniature thermoelectric cooler can adapt to the space limitations of cutting-edge optical pluggable devices while maintaining strict temperature control.

·Precise cooling: New thermoelectric materials and high-precision manufacturing processes can provide fast temperature control for ultra compact and pluggable devices such as 800Gbps, 1.6Tbps, and future 3.2Tbps optical modules.

·Micro size: The package size of OptoTEC MBX TEC can be as small as 1.5mm x 1.1mm, with a thickness as low as 0.65mm, allowing seamless integration into advanced optical module designs with minimal impact on system space and weight

·Performance optimization: Compared to traditional thermoelectric refrigerators, OptoTEC MBX can achieve a heat pump density of up to 43 W/cm2 with lower operating current, reducing the total power consumption required for high-density data center deployment

Our MBX series redefines thermal management for the next generation of optical pluggable devices. The MBX cooler is designed specifically for thin, high heat packaging density and scalability, enabling AI data centers and telecom operators to meet future bandwidth needs well. ”

- Andrew Dereka, Director of Thermal and Electrical Products at Tucker Thermal Systems

As ultra large scale applications push optical links to new performance heights, the MBX series ensures a perfect balance between innovation in optical modules at higher speeds and miniaturization, cost-effectiveness, and highly reliable thermal control.

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