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The Littelfuse Inc. 03450621HX020 is a black fuseholder knob, part of the 345 series, designed for use with 5x20mm fuses. This knob is constructed from durable black glass-filled thermoplastic (UL94 V-0) and features a screwdriver slot for fuse extraction.
Designed per IEC standards 60127-6, this knob is intended for soldering to printed circuit boards, offering a secure mounting solution. It is compatible with 3AG, 3AB, and 5x20mm fuse sizes, providing versatility for various circuit protection applications. The knob operates within an ambient temperature range of -40°C to +85°C.
Electrical specifications include an insulation resistance of 10,000 megohm minimum at 500 VDC and a contact resistance of less than 0.005 ohm average at 1 ampere. The dielectric strength is rated at a minimum of 4000 volts. This fuseholder knob is suitable for applications requiring reliable and safe fuse access.
10,000 megohm minimum at 500 VDC.
Less than 0.005 ohm average at 1 A.
4000 volts minimum.
3AG, 3AB, and 5x20mm fuses.
-40°C to +85°C.
PCB Mount.