Littelfuse 345 Series - Manual

© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/19/13
Enclosed Fuseholders > Circuit Board Mounted
Cartridge Fuse Holders
Ordering Information
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
5×20mm
2AG
Description
Similar to our Shock-Safe panel mount fuseholders, this
series is designed per IEC Standards 60127 and 60065. Two
different knob styles available are available for use with 3AG
(¼” × 1¼”) or 5 × 20mm fuses.
Electrical
Rating: See APPROVALS.
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 Agency File Number
E14721
007316
133923
Product Characteristics
* Please refer to Fuseology section for information on proper fuseholder de-rating.
345 Series Shock Safe Circuit Board Mount Enclosed Fuse Holders
Additional Information
Datasheet Samples Resources