The CRCW040251K1FKED is a thin film resistor from Vishay, featuring a 1/16 watt of power and 51.1 Kohms of resistance at 1%. This device is part of Vishay's CRCW series of surface-mount resistors, designed with a small form factor suitable for most consumer electronics applications. This device is composed of a metalized strip wound with a wire in an insulated housing, with an epoxy coating sealing in the windings. The resistor's tight tolerance and stability make it ideal for use in applications such as switching power supplies, active filters, OLED displays, and medical instrumentation.