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    Wk 42 Electronics Supply Chain Digest

    Stackpole Introduces Automotive Thick Film Wide Termination Chip Resistors

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    Bourns Release Automotive 4-Terminal Shunt Resistors

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KOA Introduces High Power Ceramic Cased Resistors for Automotive Pre-Charge / Discharge

12.2.2020
Reading Time: 2 mins read
A A

KOA is introducing new range of wire wound and metal oxide high power resistors in ceramic case, dedicated to automotive pre-charge/discharge applications.

  • BGRV wirewound resistors – designed to withstand the high inrush currents present in Electric Vehicle pre-charge circuits.
  • BWRV wirewound resistors – features lower resistance values as well as improved T.C.R. and tight resistance tolerances.
  • BSRV metal oxide resistors – designed for the capacitor discharge function in the DC/DC converter and in Electric Vehicle discharge circuits.All 3 resistor series are available with spade/lug terminals for use in wiring harness or connector blocks.

Product Features

RelatedPosts

Percolation Phenomenon: Degradation of Molded Power Inductors in DC/DC Converters

Molex Acquires Smiths Interconnect

Murata Integrates Component Models into Cadence EDA Tools

  • High reliability, suitable for automotive applications Excellent inrush current withstand characteristics Excellent overload performance
  • Optional ‘quick connect’ terminals
  • Flame-retardant ceramic case 1 Ω…75 kΩ
  • ±5 % or ±10 %
  • 3W…40W
  • Operating temperatures up to +155 °C Tested acc. to AEC-Q200 requirements EU-RoHS compliant

Application Examples

  • Battery unit / inverter circuits for automotive electronics (HEV, EV, PHEV, FCV)
  • Pre-charge circuit of electric vehicle (BGRV, BWRV) Discharge circuit of electric vehicle (BSRV)
  • On board car charger
  • Industrial converter / inverter

Example of Application Circuit

Related

Source: KOA

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