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© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 03/03/17
Enclosed Fuseholders > Circuit Board Mounted
Cartridge Fuse Holders
Ordering Information
RoHS
Pb
Catalog Number 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.
Dimensions
1.77"
.49"
.040"
.056"
DIA.
.48"
.12"
.68"
.44"
.20"
.24"
.598"
.602"
.698"
.702"
.242"
.246"
Compatible Fuse
Types
3AG
3AB
5×20mm
Description
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.
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.
Product Characteristics
* Please refer to Fuseology section for information on proper fuseholder re-rating.
345 Series Shock Safe Circuit Board Mount Enclosed Fuse Holders
Agency Agency File Number
E14721
7316
133923
Agency Approvals
Application testing is strongly recommended.
Disclaimer Notice - Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and
test each product selected for their own applications. Littelfuse products are not designed for, and may not be used in, all applications.
Read complete Disclaimer Notice at www.littelfuse.com/disclaimer-electronics.
Additional Information
Datasheet
Samples
Resources