EPCOS’s B59050D1100B040 and B59050D1120B040 PTC come with stainless steel packages and are designed for sensing liquid levels. The B59050D1100B040 is suitable for measuring water levels can be operated within the 10°C and 65°C temperature range. The B59050D1120B040 is designed for liquids with a thermal conductivity of λth>0.12W/mK such as oil or fuel, and can operate within -25°C and 50°C. To prevent overheating, the PTC elements should be operated at a voltage <18V.
EPCOS AG
