Epcos now offers leaded over-current PTC thermistors (B598*C0120A570) for power-line applications in lead-free versions. The high-temperature solder in these environmentally friendly protective components is entirely lead-free, and the concentration of lead bound in the ceramic does not exceed 0,1%.
The thermistors have a resistance tolerance of only 20% and a narrow switching range, with a maximum voltage of 265 V. These lead-free components are available in a resistance range from 10 to 120 Ω; depending on the type, the release current ranges from 75 to 330 mA.
The whole series has UL certification and its VDE approval is expected to be concluded shortly.
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