Vishay suppressor resistors improve voltage performance

Vishay Dale NSR-HP wirewound noise suppressor resistors

Vishay Intertechnology has introduced a series of wirewound noise suppressor resistors to improve voltage performance and reliability for automotive ignition systems in reciprocating engines.

The Vishay Dale NSR-HP devices have a coating that increases reliability by protecting the resistive element against moisture and mechanical shock while enabling high-voltage performance to 45kV and operating temperatures to +200˚C.

The resistors can withstand high voltage pulses at high frequencies and have a dielectric withstand voltage of 1kV AC.

For reducing RFI during electrical discharges in petrol engines, the devices can be used in spark plug leads, as well as in spark plug caps.

They come with ohmic and inductance value ranges from 1 to 15kΩ and 9 to 78µH, respectively, and a temperature coefficient of ±250ppm/˚C.

The resistors are RoHS-compliant, halogen-free and Vishay Green.

Samples are available now. Production quantities will be available in March, with lead times of 16 weeks.

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