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SCHURTER UHS fuses, which are available with current ratings up to 100 A, provide protection against short-circuits in products with a safety extra-low voltage (SELV) designation.
In SELV products, very high currents can flow in the event of a short-circuit. The common use of cheap, powerful lithium-ion battery cells has increased the need in PCBs to shut off high currents in a controlled manner.
The compact, surface-mount UHS family of fuses is dedicated to this function, providing a high and fast breaking capacity triggered in the event of a very high over-current. Use of the UHS fuse allows the large store of energy in lithium-ion battery cells to be galvanically isolated in a controlled manner.
Rated Current | Rated Voltage | Package Marking | Breaking Capacity | Typical Cold Resistance |
50 A | 32 V | UHS 50A | Up to 1.5 kA at 16 V dc | 1.82 mΩ |
60 A | 32 V | UHS 60A | Up to 1.5 kA at 16 V dc | 1.5 mΩ |
70 A | 50 V | UHS 70A | Up to 2 kA at 16 V dc | 1.03 mΩ |
80 A | 50 V | UHS 80A | Up to 2 kA at 16 V dc | 0.88 mΩ |
90 A | 50 V | UHS 90A | Up to 2 kA at 16 V dc | 0.77 mΩ |
100 A | 50 V | UHS 100A | Up to 2 kA at 16 V dc | 0.71 mΩ |
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