Datasheet

© 2019 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/10/19
Cartridge Fuse Holders
Enclosed Fuseholders > Panel Mounted > Circuit Board Mounted
Ordering Information
RoHS
Pb
Ordering
Part Number
Catalog
Number
Fuse Size Packing
03450101H 345 101 ¼” × 1¼” Fuses Bulk (100 pieces)
03450121H 345 121 5 × 20mm Fuses Bulk (100 pieces)
Body only: 03450101HX010
Knob only: 03450101HX020 (¼” × 1¼”) Grey; 03450121HX020 (5 × 20mm) Black.
Dimensions
1.77"
[45.0]
0.49"
[12.5]
0.040"
[1.0]
0.056" [1.4]
DIA.
0.48" [12.2]
0.12" [3.1]
0.68"
[17.3]
0.44" [11.2]
0.20" [5.1]
0.24" [6.1]
0.598"
[15.2]
0.602"
[15.3]
0.698"
[17.7]
0.702"
[17.8]
0.242" [6.2]
0.246" [6.3]
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 HV Series Shock Safe Circuit Board Mount Enclosed Fuse Holders
Agency Agency File Number
E14721
7316
133923
Agency Approvals
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.