SMW315RJT is a surface mount moulded power resistor from the TE Connectivity SM Series, designed for power circuitry applications requiring reliable performance in high-temperature manufacturing environments. The device features a low-profile design with flexible tinned copper terminations and fully welded construction, enabling it to withstand reflow, vapour phase, and infrared soldering processes without degradation. Available in 3-watt power rating with resistance values from 0.1 ohm to 500 ohm, the SMW315RJT operates at a maximum voltage of 500 volts and offers ±1% tolerance with E24 value grid selection. The resistor exhibits a temperature coefficient of ±200 ppm/°C across the -55°C to +200°C range and maintains insulation resistance of 10,000 MO at 500 VDC, with UL94V0 flameproof coating for enhanced safety. This component is ideal for power supply circuits, industrial control systems, and applications requiring robust thermal performance and high reliability in demanding manufacturing environments.