The OARS series of surface mount sense resistors from TT Electronics offers flexible leads for thermal expansion and an open-air design to reduce PCB heating.
These resistors are available in a range of values down to 1 milliohm, with a TCR of ±2 ppm/°C and a zero-ohm 65A jumper version.
All parts are Pb-free and comply with the EU Directive 2011/65/EU (RoHS3).
Electrical Characteristics
The OARS series has a power rating of up to 2W at 70°C ambient or 140°C terminal temperature, with resistance ranges from 0.01Ω to 25Ω and tolerances of 1% or 5%.
Thermal Performance
The open-air design of the OARS series provides better thermal performance than chip format resistors, with hot spot temperature rise data provided for typical mounting conditions.
A Kelvin (4-terminal) mounting method is recommended for high-precision applications.
Manual:
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