The UCR006 series of 0.6×0.3mm thick-film chip resistors are available from 100mΩ to 910mΩ (E24 steps) and operate across -55 to 155°C – an industry first claims Rohm.
Power handling is 100mW, allowing them to replace some larger 1005 sensing resistors.
Laser trimming tunes resistance to +/-1% (F Class, there is also +/-5% J Class), and a reverse-mount design (see diagram) is said to minimise resistance variations during soldering and allow a temperature coefficient of resistance (TCR) between 0 and 300ppm/°C.
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