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16 October 2009


Nextreme’s OptoCooler HV14 passes 3000g shock test

Nextreme Thermal Solutions Inc of Durham, NC, USA, which designs and manufactures microscale thermal and power management products, says that its OptoCooler HV14 thermoelectric cooler has passed the 3000g shock test as defined in the MIL-STD 883E Method 2002 Mechanical Shock standard.

MIL-STD 883E establishes uniform methods, controls, and procedures for characterizing and screening microelectronic devices suitable for use within government and aerospace electronic systems.

The standard includes basic environmental tests to determine resistance to the effects of natural elements and conditions surrounding government and space operations. The shock test is intended to determine the suitability of devices for use in electronic equipment that may be subjected to severe shocks as a result of suddenly applied forces or abrupt changes in motion.

Specifically, MIL-STD 883E calls for five shock pulses of 3000g (peak) with a pulse duration of 0.3 milliseconds in each of the orientations X1, X2, Y1, Y2, Z1, and Z2. Nextreme says that its HV14 modules showed less than a 5% change in electrical resistance as a result of the stress testing. The test report is available to qualified customers upon request.

“The use of thin films in conjunction with our semiconductor-based assembly process reduces the mass of our devices substantively,” says Dave Koester, VP of engineering. “Our thermoelectric coolers and power generation devices are inherently more resistant to shock and vibration than standard bulk devices while at the same time providing performance advantages,” he claims.

The RoHS-compliant HV14 module is a high-voltage and high-heat-pumping thermoelectric device that is designed to operate at standard electrical power requirements. At 85°C, it operates at a maximum voltage of 2.7V and can pump 1.5W of heat in a footprint of just 3mm. The module can create a maximum temperature differential of up to 60°C between its hot and cold sides with a zero heat load, suiting the cooling and temperature control of optoelectronic devices such as laser diodes, avalanche photodiodes and high-brightness LEDs.

See related item:

Nextreme’s OptoCooler HV14 breaks temperature barrier

Search: Nextreme Thermoelectric coolers


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