© 2017 Littelfuse, Inc.

Specifications are subject to change without notice.

Revised: 12/19/17

Enclosed Fuseholders > Panel Mounted > Circuit Board Mounted

Cartridge Fuse Holders

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]

.49"

[12.5]

.040"

[1.0]

.056" [1.4]

DIA.

.48" [12.2]

.12" [3.1]

.68"

[17.3]

.44" [11.2]

.20" [5.1]

.24" [6.1]

.598"

[15.2]

.602"

[15.3]

.698"

[17.7]

.702"

[17.8]

.242" [6.2]

.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

Application testing is strongly recommended.