VISHAY INTERTECHNOLO

VSH
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New Vishay Intertechnology AEC-Q200 Qualified, Chassis-Mount Wirewound Resistors Offer High Reliability, Accuracy, and Stability for EVs

05/04/2022 | 11:00am

For Pre-Charge and Discharge Applications, Devices Combine a Robust Design With a Wide Resistance Range, Tight Tolerance Down to ± 1 %, and TCR Down to 20 ppm/°C

MALVERN, Pa., May 04, 2022 (GLOBE NEWSWIRE) -- Vishay Intertechnology, Inc. (NYSE: VSH) today introduced a new series of AEC-Q200 qualified, chassis-mount wirewound resistors targeted at the growing electric vehicle (EV) market.

Vishay 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 today 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.

Device Specification Table:

Part numberPower rating P25 (W)Resistance range (Ω)Dielectric withstanding voltage
RHA0057.50.1 to 3.32 k1000 VRMS
RHA01012.50.1 to 5.62 k1000 VRMS
RHA025250.1 to 12.1 k1000 VRMS
RHA050500.1 to 39.2 k2000 VRMS

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

Vishay manufactures one of the world’s largest portfolios of discrete semiconductors and passive electronic components that are essential to innovative designs in the automotive, industrial, computing, consumer, telecommunications, military, aerospace, and medical markets. Serving customers worldwide, Vishay is The DNA of tech.Vishay Intertechnology, Inc. is a Fortune 1,000 Company listed on the NYSE (VSH). More on Vishay at www.Vishay.com.

The DNA of tech™ is a trademark of Vishay Intertechnology.

Vishay on Facebook: http://www.facebook.com/VishayIntertechnology
Vishay Twitter feed: http://twitter.com/vishayindust

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Link to product datasheet:
http://www.vishay.com/ppg?30406 (RHA)

Link to product photo:
https://www.flickr.com/photos/vishay/albums/72177720298472531

For more information please contact:
Vishay Intertechnology
Peter Henrici, +1 408 567-8400
peter.henrici@vishay.com
or
Redpines
Bob Decker, +1 415 409-0233
bob.decker@redpinesgroup.com


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Source: Vishay Intertechnology, Inc.

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