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Q-200-qualified power resistors target EVs

Q-200-qualified power resistors target EVs

New Products |
By Christoph Hammerschmidt



The devices are designed to serve as precharge or discharge resistors for inverters, and converters in electric vehicles (EV), hybrid electric vehicles (HEV), and plug-in hybrid electric vehicles (PHEV). With rated power of 300 W, 600 W, and 800 W, respectively, the LPSA 300, LPSA 600, and LPSA 800 enable designers to replace multiple lower power components with a single resistor in these applications. In addition, their pulse capability from 400 J to 1500 J for pulses from 0.05 s to 0.5 s allows them to replace larger wirewound resistors to save board

The LPSA 300, LPSA 600, and LPSA 800 offer high temperature operation to +175 °C and a broad range of resistance values from 0.03 Ω to 900 kΩ. They are also capable of high dielectric strength up to 12 kV RMS. The RoHS-compliant devices offer a non-inductive design, tolerances down to ± 1 %, and superior automotive reliability test results (i.e., extensive temperature cycling at 1,000 cycles and 1,000 hours of operational life).

Samples and production quantities of the new resistors are available now, with lead times of 10 to 12 weeks.

More information: www.vishay.com

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