CRS2512-FX-1004ELF is a high-power anti-surge chip resistor designed for pulse power, high voltage, and telecommunications applications. This 2512-sized resistor features a 2 W power rating at 70°C, a maximum working voltage of 300 V, and a maximum overload voltage of 600 V, with an operating temperature range of -55°C to +155°C. The device incorporates a resistive element on a ceramic substrate with tin plating and lead-free termination, providing RoHS compliance and excellent surge protection. With ±1% tolerance and ±100 PPM/°C temperature coefficient, it delivers stable performance under demanding conditions including short-time overload, load life humidity, and temperature cycling. The CRS2512-FX-1004ELF is ideal for consumer electronics, power supplies, and telecommunications systems requiring reliable surge suppression and high-voltage operation.