The 25121WF0560T4E is a 60 Ohm resistor manufactured by Royal Ohm. It is a 5 watt wire wound resistor, with an insulated lead configuration. The resistor has a ceramic core with a flame-proof construction, providing high heat and moisture resistance, and a wide operating temperature range (-55°C to +275°C). The resistor has a tolerance of ±5%, a dielectric strength of 250V, and a surge rating of 5000 V.