THIEF RIVER FALLS, USA: Digi-Key Corp. announced the addition of TE Connectivity’s Reflowable Thermal Protection (RTP) solutions to its vast product line.
TE’s RTP device is the industry’s first SMD thermal protector. The RTP device helps prevent thermal damage caused by failed power components and can withstand the demanding environmental, life, and reliability requirements of automotive and industrial applications, including shock, vibration, temperature cycling, and humidity exposures.
In the field, an RTP device opens if its internal junction exceeds the device’s specified open temperature. Temperature increases can have multiple sources, one of which is component failure (i.e. when using power components such as a power FET, capacitor, resistor, triac, etc.). The RTP device’s open temperature is selected so that the device does not open within normal component operating windows, but it does open in a thermal runaway event and before the melt temperature of typical lead free solders.
The RTP device helps provide protection against damage caused by thermal runaway for power FETs and other components if failure occurs in applications such as automotive HVAC, ABS, power steering, DC/DC converters, PTC heaters, or IT servers, telecom power, or converters.
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