This is a Chip Resistor - Surface Mount 4.02KOhm ±1% 1/4W 1206 RoHS manufactured by RALEC. It has an RTT064021FTP part number, and is a through-hole chip designed for use in printed circuits, and is a surface mount device measuring 4.0mm × 2.1mm. It is a 4.02KOhm resistor, with an allowable tolerance of up to 1%, and is rated for 1/4 watt power. This product is RoHS certified, meaning it meets and adheres to the EU's standards for hazardous materials, and is compliant with the Restriction of Hazardous Substances Directive. It is a reliable chip suitable for automotive, communication, computer and other electronic systems.