This is a 665 Ohms thick film resistor from the RK73H series of chip resistors. It is surface mountable and comes in a 0603 (1608 Metric) package. It is rated at 0.125W (1/8W) and has a tolerance of ±1%. The temperature coefficient is ±100ppm/°C. It is AEC-Q200 rated and has 2 terminations. The package is tape and reel and the standard package consists of 5,000 resistors. It has a height of 0.022" (0.55mm) and can operate in a temperature range of -55°C to 155°C. This resistor is moisture resistant and is supplied by KOA Speer Electronics, Inc.