The RALEC RTT05R40JTP is a 0.4 Ohm ±5% 1/8W 0805 chip resistor, which is a type of discrete surface mount electronic component used in a variety of electronics applications and circuits. It is a robust component made of high-grade materials, has an ultra-low profile, and runs with a temperature coefficient of ±100ppm/°C. It is lead-free and compliant with RoHS directives, and is available as standard in both perforated tape and embossed tape. Furthermore, it is widely used in board level circuitry, such as chip-on-board devices, solid-state relays, power switches, and motor controls.