Noise Suppressor Resistors Raise Voltage Performance And Reliability

Vishay Intertechnology’s Dale NSR-HP series wire-wound noise suppressor resistors provide the necessary voltage performance and reliability for automotive ignition systems in reciprocating engines.

 

The components feature a coating that increases reliability by protecting the resistive element against moisture and mechanical shock while enabling high voltage performance to 45 kV and high operating temperatures to +200 °C. The resistors can withstand high voltage pulses at high frequencies and feature a dielectric withstand voltage of 1000 VAC.

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Suitable for reducing RFI during electrical discharges in gasoline engines, the NSR-HP series can be used in spark plug leads, as well as in spark plug caps. The devices are available with wide ohmic and inductance value ranges from 1 kΩ to 15 kΩ and 9 µH to 78 µH, respectively, and feature a temperature coefficient of ± 250 ppm/°C.  Also, the resistors are RoHS-compliant and halogen-free.

 

Samples of the NSR-HP series are available now. Production quantities will be available in March, with lead times of 16 weeks. While you happen to be here, why not checkout an NSR-HP series datasheet.

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