Passives
Axial Cemented Wirewound Resistors With High-Voltage Surge Withstanding
Vishay has today introduced a new series of axial cemented wirewound resistors that are the industry’s first to offer a customized high-voltage surge withstanding capability up to 12 kV. Designed to limit in-rush currents during high-voltage surges, the Vishay Draloric devices are optimized for power supplies in electronic meters, industrial and home appliances, and electronic ballasts.
For The Z300-C series features a high-voltage surge withstand capability up to 12 kV as per IEC 61000-4-5 (1.2 µs/50 µs). The maximum allowed surge handling capacity depends on the resistor model and ohmic value.
The resistors provide a power rating from 1 W to 6 W at an ambient temperature of 40 °C and 0.9 W to 5.4 W at 70 °C. The devices offer resistance from 0.15 Ω to 10 kΩ − with other values available on request − resistance tolerances of ± 5 % and ± 10 %, and temperature coefficient of ± 200 ppm/K (± 400 ppm/K for resistance values below 1 Ω).
Z300-C series resistors are RoHS-compliant and comply with Vishay Green standards.
Device Specification Table:
Samples and production quantities of the Z300-C series are available now, with lead times of 8 to 10 weeks for larger orders.
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