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Vishay Rolls Out Chassis-Mount Wirewound Resistors

The resistors' tight tolerance down to ± 1 %, TCR as low as 20 ppm/°C, and wide resistance range from 0.1 kΩ to 39.2 kΩ enable higher accuracy and stability.

Vishay Intertechnology has released a new series of AEC-Q200 qualified, chassis-mount wire-wound resistors targeted at the growing electric vehicle (EV) market.

Vishay ResistorsVishay Dale RHA series resistors mount directly onto a chassis to utilize the heat-sink effect.

Offering high reliability, the devices feature a completely welded and molded construction for total environmental protection, and an operating temperature range of -55 °C to +250 °C.

The resistors will serve as pre-charge and discharge resistors in EVs, in addition to voltage dividers in taillights and current limiters in dimming circuits for interior lighting.

The devices released offer high power ratings up to 50 W in four small package sizes.

The resistors’ tight tolerance down to ± 1 %, TCR as low as 20 ppm/°C, and wide resistance range from 0.1 kΩ to 39.2 kΩ enable higher accuracy and stability.

The RHA series is RoHS-compliant, halogen-free, and Vishay Green.

Samples and production quantities of the RHA series are available now, with lead times of eight to 12 weeks.

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Aishwarya Saxena

A book geek, with creative mind, an electronics degree, and zealous for writing.Creativity is the one thing in her opinion which drove her to enter into editing field. Allured towards south Indian cuisine and culture, love to discover new cultures and their customs. Relishes in discovering new music genres.

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