AC0402FR-0710KL

AC0402FR-0710KL is a 10 kΩ ±1% automotive-grade thick-film chip resistor from Yageo in a 0402 (1005 metric) case, qualified to AEC-Q200 — Yageo's per-part specification sheet carries the automotive description and the qualification, and prints the packaging quantity itself: tape and reel 178 mm at 10,000 pieces. Ratings: 0.063 W at 70 °C, temperature coefficient ±100 ppm/°C across −55 °C to +155 °C, maximum continuous working voltage 50 V, overload 100 V and dielectric withstanding voltage 100 V; dimensions 1.0 x 0.5 mm (±0.05 mm). Working-voltage boundary for this value: the 50 V maximum is the platform ceiling for the case size, not a voltage this 10 kΩ part can work at continuously — its 0.063 W rating at 70 °C caps the continuous working voltage at about 25.1 V (the square root of allowable power x resistance), and that cap falls as temperature derates the allowable power; the governing limit is always the lower of the two. The selection point is the AC series prefix: the automotive counterpart of the commercial RC0402 10 kΩ, for BOMs whose approved lists name AEC-Q200. Selection advice: the qualification belongs to this code, not to the value — state the AEC-Q200 requirement in your RFQ so the offered lot is checked against it.