Low-value resistors

Tuesday, 20 October, 2009 | Supplied by: Arrow Electronics Australia Pty Ltd


Vishay’s Power Metal Strip current sensing resistors combine good performance in high-temperature applications with a wide range of package sizes and a choice of values from 0.0002 to 1 Ω.

The devices deliver overload capabilities equivalent to wirewound resistors and temperature coefficients to 30 ppm/°C.

The resistors allow control circuitry to monitor the level of current in a circuit by translating current into a voltage that can be monitored.

The devices work by resisting the current flow in a circuit to a calibrated level, allowing a voltage drop to be detected and monitored by control circuitry.

Features include: all-welded construction; solderable terminations; solid metal nickel-chrome or manganese-copper alloy resistive element with low TCR (<20 ppm/°C); inductance of 0.5 to 5 nH; frequency response to 50 MHz; low thermal EMF (<3 µV/°C).

Online: www.arrowaustralia.com
Phone: 03 9737 4900
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