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TE Connectivity’s High-Current Reflowable Thermal Protection Device New HCRTP device’s high-current capability (90A at 23°C) offers a robust, simple approach for complying with AECQ standards for MENLO PARK, Calif. - November 11, 2014 - To address the growing need to increase reliability and safety in extremely harsh automotive environments, TE Connectivity's Circuit Protection business unit (TE Circuit Protection) has introduced a High-Current Reflowable Thermal Protection (HCRTP) device. Specifically suited to high-power, high-current automotive applications - such as ABS modules, glow plugs and engine cooling fans - the robust HCRTP device (model: RTP200HR010SA) can withstand hold currents of up to 90A at room temperature (23°C) and 45A at 140°C. In addition to helping automotive designers comply with stringent AECQ automotive standards (including the AECQ vibration test), the surface-mountable HCRTP device speeds installation.
Available in a low-profile (3.7mm max.) package, the HCRTP device can be installed using industry-standard, Pb-free, SMD (surface mount device) assembly and reflow processes. In comparison, radial-leaded thermal fuses must be installed after reflow. The HCRTP device therefore enables cost-effective and simple installation while also optimizing thermal coupling with the printed circuit board, or PCB. "With the increased power of automotive electronics, thermal protection devices must handle higher currents to maintain reliability," said Faraz Hasan, Sr. Global Strategic Automotive Marketing Manager for TE Circuit Protection. "For example, an integrated ABS module combining ABS, stability control and an electronic parking brake generates a significant amount of heat at the input connector or power MOSFET if a failure or fault condition occurs. In the event of a component failure, where the currents are extremely high, the high-current-withstand capability of the HCRTP device can help prevent a potentially damaging event caused by thermal runaway. This is a key consideration for automotive electronics designers who need to comply with AECQ tests."
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