Cartridge Fuse Holders Enclosed Fuseholders > Circuit Board Mounted 345 Series Shock Safe Circuit Board Mount Enclosed Fuse Holders RoHS Pb Product Characteristics Compatible Fuse Types 3AG 3AB 5×20mm Similar to our Shock-Safe panel mount fuseholders, this series is designed per IEC Standards 60127-6. Two different knob styles available are available for use with 3AG and 3AB (¼” × 1¼”) or 5 × 20mm fuses. Description Dimensions .49" 1.77" .44" .20" .24" .68" .598" .602" .698" .702" Electrical Insulation Resistance: 10,000 megohm minimum at 500 VDC. Contact Resistance: Less than .005 ohm average at a current of one ampere. Dielectric Strength 4000 volts minimum. Mounting: Intended for soldering to printed circuit boards. Molded Parts Body Material: Black glass-filled thermoplastic (UL 94V0). Knob Screwdriver slot, fuse extractor type with nickel-plated, copper alloy insert. Spring-loaded, bayonet style. Knob Material: Grey or Black glass-filled thermoplastic (UL94 V-0) Terminals Brass. Tin-plated. Ambient Temperature –40ºC to +85ºC. Agency Approvals Agency .48" Agency File Number .12" E14721 .040" .242" .246" .056" DIA. 7316 133923 * Please refer to Fuseology section for information on proper fuseholder re-rating. Ordering Information Catalog Number Additional Information Datasheet Resources Samples © 2015 Littelfuse, Inc. Specifications are subject to change without notice. Application testing is strongly recommended. Revised: 05/29/15 Fuse Size 345 101 ¼” × 1¼” Fuses 345 121 5 × 20mm Fuses Body only: 345 101-010 Knob only: 345 101-020 (¼” × 1¼”) Grey; 345 121-020 (5 × 20mm) Black.