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Semiconductor Fuses

Available25 products
Semiconductor fuses provide overcurrent protection for solid-state components such diodes and thyristors in variable-speed drives, power rectifiers, uninterruptible power supplies (UPSs), and other power electronics applications. Also known as rectifier fuses, they are extremely current-limiting to prevent electrical damage by disconnecting circuits before they're exposed to the full magnitude and duration of an overcurrent.
Amps

Fast-Acting Semiconductor Fuses, Nonindicating

Fast-Acting Semiconductor Fuses, Nonindicating
Fast-acting, nonindicating semiconductor fuses open within seconds of being exposed to overloads and short circuits. Also called fast-blow semiconductor fuses, they are highly sensitive to changes in current flow and don't tolerate temporary overload currents or power surges. They have no indicator for identifying a blown fuse, so they're sometimes used with an indicating fuse block or cover.

Equivalent Series: Unspecified

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Equivalent Series: A15QS, FWA, L15S

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Equivalent Series: A30QS, FWX, L25S

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Equivalent Series: A50P, A50QS, FWH, L50S

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Equivalent Series: A60Q, FWC

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Equivalent Series: A60X, KAC, KBC, KLC, L60S

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Equivalent Series: A60X, KAC, KLC

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Equivalent Series: A70P, A70QS, FWP, L70QS

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Equivalent Series: A70Q, FWP

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Equivalent Series: A70QS, FWJ

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Very Fast-Acting Semiconductor Fuses, Nonindicating

Very Fast-Acting Semiconductor Fuses, Nonindicating
Very-fast-acting, nonindicating semiconductor fuses open circuits even more quickly than fast-acting fuses when exposed to overloads and short circuits. These very-fast-blow fuses are highly sensitive to changes in current flow and don't tolerate temporary overload currents or power surges. They have no indicator for identifying a blown fuse, so they're sometimes used with an indicating fuse block or cover.

Equivalent Series: A15QS, FWA, L15S

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Equivalent Series: A30QS, FWX, L25S

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Equivalent Series: A50P

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Equivalent Series: A50P, A50QS, FWH, L50S

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Equivalent Series: A50Q

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Equivalent Series: A60Q, FWC

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Equivalent Series: A60X, KAC, KLC

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Equivalent Series: A701P

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Equivalent Series: A70P, A70QS, FWP, L70QS

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Equivalent Series: A70QS

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Equivalent Series: FWH

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Equivalent Series: FWP

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Equivalent Series: L50S

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Equivalent Series: L70QS

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Equivalent Series: L75QS

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Very Fast-Acting Semiconductor Fuses, Indicating

Very Fast-Acting Semiconductor Fuses, Indicating
Very-fast-acting, indicating semiconductor fuses open circuits even more quickly than fast-acting fuses when exposed to overloads and short circuits. These very-fast-blow fuses are highly sensitive to changes in current flow and don't tolerate temporary overload currents or power surges. They have a visual indicator to make it easier to identify blown fuses for replacement.

Equivalent Series: A70P, A70QS, FWP, L70QS

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Equivalent Series: PSR

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Note: Product availability is real-time basis and adjusted continuously. The product will be reserved for you when you complete your order.