CRM1206-FX-51R0ELF is a high-power thick film chip resistor designed for current sensing, power supplies, stepper motor drives, and snubber applications in power supply circuits. This 1206-size resistor features a 0.5 W power rating at 70°C, an operating temperature range of -55°C to +155°C, and a maximum working voltage of 200 V for resistance values from 1 ohm to 1 megohm. The device offers a resistance value of 0.51 ohms with ±1% tolerance and ±100 ppm/°C temperature coefficient, supporting a maximum rated current of 4 A. With thick film technology, RoHS compliance, and tin-plated termination, this resistor provides reliable performance in demanding power management and current-limiting applications where precision and thermal stability are essential.