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840 pcs
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840 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
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The TT Electronics OARS1R040FLF is a surface mount current sense resistor from the OARS series. It is designed with flexible leads for thermal expansion and an open air construction to reduce PCB heating.
Key electrical specifications include a resistance value of 0.04 Ohms with a tolerance of ±1%, and a power rating of 2W. The temperature coefficient is ±40ppm/°C, with an element TCR of ±20ppm/°C. This series is AEC-Q200 qualified.
The resistor utilizes copper terminations welded to a resistance alloy strip, with value adjustment achieved through width control and optional notch trimming. For high-precision applications, a Kelvin 4-terminal mounting method is recommended, where high current connections are made to larger pads and voltage sense connections to smaller central pads.
This component is Pb-free and complies with EU Directive 2011/65/EU amended by (EU) 2015/863 (RoHS3).
| Qty | Low | High |
|---|---|---|
| 1+ | $0.05 | $0.05 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
0.04Ω.
±1%.
2W.
±40ppm/°C.
Surface mount.
Yes, it is lead-free (Pb-free) as verified by the datasheet.
±20ppm/°C.