RC0402FR-074K7L

RC0402FR-074K7L is a 4.7 kΩ ±1% thick-film chip resistor from Yageo in a 0402 (1005 metric) case, documented by Yageo's per-part specification sheet: temperature coefficient ±100 ppm/°C across −55 °C to +155 °C, maximum continuous working voltage 50 V and overload voltage 100 V, on the RC0402 platform rated 0.063 W at 70 °C, supplied on tape and reel. Working-voltage boundary for this value: the 50 V maximum is the platform ceiling for the case size, not a voltage this 4.7 kΩ part can work at continuously — its 0.063 W rating at 70 °C caps the continuous working voltage at about 17.2 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 E24 4.7 kΩ value — the I2C pull-up default and a divider staple — at ±1% in 0402. Selection advice: for bus pull-ups the value interacts with bus capacitance and rise-time budgets, so the ±1% tolerance is rarely the constraint; where it is, the RT thin-film line is the step up, not a tighter reading of this code. Quote the full string including the 4K7 value field as written.