The WMZ12A-85A30-60AP025B3.5-E6B is a through-hole, RoHS compliant, PTC thermistor manufactured by Tyohm. It is used to measure temperature by detecting the change in resistance based on temperature. It features a operating temperature range of -30°C to 85°C with a power dissipation of 0.5W, a resistance of 60 ohms at 25°C, and a resistance tolerance of ±6%. It is suitable for use in harsh environments, providing reliable, accurate temperature sensing.