The RN55D56R2F is a through-hole, surface-mountable, ultra-precision, 1/4 W metal film resistor from TRW, Inc. It has a 5% tolerance and is available in five resistance values ranging from 50O to 1KO. The product has a voltage rating of 35V and a power dissipation of 250mW. This resistor is suitable for use in most general-purpose and enhanced applications. It is RoHS-compliant, lead-free, and halogen-free for safe operation.