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Current Sense Resistors/Shunts

Technical Library

Current sense resistors are recognized as cost-effective components that help improve system efficiency and reduce losses due to their high measurement accuracy compared to other technologies.


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While they are ideal for applications in virtually all market segments, current sense resistors are particularly useful in helping developers precisely measure current in their consumer and industrial designs.

Bourns offers current sense chip resistors with thick film, metal foil and metal strip resistive elements and electro-beam welded metal strip shunts.

 

Characteristics
Size 0603 to 2512 Thick Film Chip
0805 to 1206 Metal Foil Chip
0805 to 2512 Metal Strip Chip
2512 to 5931 EB Welded Shunts
6918 to 8536 Metric EB Welded Shunts
Rated power at 70 °C 0.1 to 50 W
Resistance Range 25 µΩ to 9.1 Ω
Resistance Tolerance ±0.5 %, ±1 %, ±5 %
Temperature Coefficient ±50 to ±200 ppm/°C
Operating Temperature Range –55 to +155/+170 °C

Available Features

  • RoHS compliant*
  • Suitable for most types of soldering processes
  • EB welded shunts
  • AEC-Q200 compliant
  • Very high power
  • Very low resistance
  • Excellent long term stability
  • Low inductance value
  • Low thermal EMF
  • Low TCR
  • Four terminal designs available
  • Bare copper and tin-plated terminals
  • Sulfur resistant

*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.

 

Applications

  • Consumer
  • Industrial
  • Telecommunication
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