Non-Inductive Fusible Resistors for Home Appliances

Vishay Intertechnology, Inc. has introduced a new high-pulse, non-inductive, fusible, flameproof metal film resistor that meets the safety requirements of UL1412. The Vishay BCcomponents PR02-FS offers defined fusing characteristics at defined overload conditions and resistance values >50Ω to withstand 600V surges (1.2/50 µs pulse) as defined by IEC 61000-4-5.

With its defined fusing behavior and fast fusing time of <10 seconds for an 80W overload, the device released today is designed to disconnect electronic home appliances such as washing machines and shaver chargers from the power supply. In addition, it provides current limiting in low voltage power supplies for indoor lighting applications. Moreover, due to its inherent non-inductive design, it can be used in applications such as snubber circuits with inductive loads.

The PR02-FS offers a resistance range from 1Ω to 100Ω with tolerance down to ±10%, TCR of ±250ppm/K, rated power dissipation of 2W at +70 degrees C, and an operating temperature range from -55 to +200 degrees C. Available in a radial version, the device meets active and passive flammability requirements as defined by IEC 60115-1 and UL 94-V0. The resistor is RoHS-compliant, halogen-free, and Vishay Green.

Samples and production quantities of the PR02-FS are available now, with lead times of 8 to 10 weeks for large orders.