Miniaturized High Power Low Ohmic Chip GMR320 Shunt Resistors for Accurate Current Detection in High Power Applications

GMR320 Shunt Resistors
GMR320 Shunt Resistors
GMR320 Shunt Resistors

The 10W power rated GMR320 series of shunt resistors is now available from ROHM for high power applications in automotive, industrial equipment, and home appliances. The 5mΩ to 100mΩ resistance value range and the 10W power rating makes them ideal for automotive engine ECUs and headlamps as well as motors and power supplies for industrial equipment and home appliances.

 

The unique structure and optimized material of the device reduce the surface temperature rise by 23%, this ensures high ruggedness against overcurrent loads even though it is small in size. The high-performance metal alloy of the resistive material provides a Low-Temperature Coefficient of Resistance (TCR) of ±25ppm/°C, this limits the resistance drift due to heating-up to about half that of standard products providing reliable and highly accurate current detection even at low resistance values.

 

Features of GMR320 Shunt Resistors

  • The metal plate / High power type
  • Product size(inch)2010 2817
  • Rated power4W 10W
  • Resistance range5mΩ 220mΩ
  • High heat dissipation and reliability with the new structure
  • Achieved low TCR by special metal alloy
  • Maximum operating temperature of 170°C

 

Note: More technical information can be found in the GMR Series Datasheet linked at the bottom of this page and on the product page of the GMR320 series of shunt resistors.

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