03450121H Littelfuse

03450121H electronic component of Littelfuse
03450121H Littelfuse
03450121H Fuse Holder
03450121H  Circuit Protection
Images are for reference only, See Product Specifications

X-On Electronics has gained recognition as a prominent supplier of 03450121H Fuse Holder across the USA, India, Europe, Australia, and various other global locations. 03450121H Fuse Holder are a product manufactured by Littelfuse. We provide cost-effective solutions for Fuse Holder, ensuring timely deliveries around the world.

Part No. 03450121H
Manufacturer: Littelfuse
Category: Fuse Holder
Description: Fuse Holder Shock Safe 5x20MM
Datasheet: 03450121H Datasheet (PDF)
Price (USD)
1: USD 4.2374 ea
Line Total: USD 4.24 
Availability : 28
  
Ship by Mon. 13 Oct to Fri. 17 Oct
QtyUnit Price
1$ 4.2374
10$ 3.1056
30$ 2.7517
100$ 2.7101

Availability 194
Ship by Mon. 13 Oct to Fri. 17 Oct
MOQ : 31
Multiples : 1
QtyUnit Price
31$ 9.0568
34$ 8.0631
45$ 6.1753
50$ 5.965
100$ 5.1844
300$ 4.5623
500$ 4.347
1000$ 4.1344
2500$ 4.0871


Availability 97
Ship by Mon. 13 Oct to Fri. 17 Oct
MOQ : 51
Multiples : 1
QtyUnit Price
51$ 5.4191
53$ 5.2061
59$ 4.6915
60$ 4.6233
100$ 4.2512
300$ 4.0018
500$ 3.99


Availability 2316
Ship by Thu. 09 Oct to Mon. 13 Oct
MOQ : 1
Multiples : 1
QtyUnit Price
1$ 7.7437
5$ 6.4239
10$ 5.6133
50$ 4.8395
100$ 4.5161
300$ 4.1465
500$ 4.0772
1000$ 3.9847
2500$ 3.9732


Availability 146
Ship by Thu. 09 Oct to Mon. 13 Oct
MOQ : 1
Multiples : 1
QtyUnit Price
1$ 9.5697
3$ 7.2765
8$ 6.8796


Availability 28
Ship by Mon. 13 Oct to Fri. 17 Oct
MOQ : 1
Multiples : 1
QtyUnit Price
1$ 4.2374
10$ 3.1056
30$ 2.7517
100$ 2.7101


Availability 146
Ship by Mon. 13 Oct to Fri. 17 Oct
MOQ : 21
Multiples : 1
QtyUnit Price
21$ 13.2832
28$ 9.9828
29$ 9.6365


Availability 194
Ship by Mon. 13 Oct to Fri. 17 Oct
MOQ : 31
Multiples : 1
QtyUnit Price
31$ 9.0568


Availability 97
Ship by Mon. 13 Oct to Fri. 17 Oct
MOQ : 66
Multiples : 1
QtyUnit Price
66$ 4.1619
500$ 3.99


Availability 223
Ship by Mon. 13 Oct to Fri. 17 Oct
MOQ : 30
Multiples : 1
QtyUnit Price
30$ 9.2301
31$ 8.8155
100$ 7.9876

   
Manufacturer
Product Category
RoHS - XON
Icon ROHS
Series
Product
Fuse Size / Group
Type
Mounting Style
Number of Poles
Current Rating
Voltage Rating
Illumination
Shaft Type
Minimum Operating Temperature
Maximum Operating Temperature
Packaging
Color
Brand
Cnhts
Hts Code
Mxhts
Product Type
Factory Pack Quantity :
Subcategory
Taric
Category
Brand Category
LoadingGif
 
Notes:- Show Stocked Products With Similar Attributes.

We are delighted to provide the 03450121H from our Fuse Holder category, at competitive rates not only in the United States, Australia, and India, but also across Europe and beyond. A long established and extensive electronic component distribution network has enhanced our global reach and dependability, ensuring cost savings through prompt deliveries worldwide. Client satisfaction is at the heart of our business, where every component counts and every customer matters. Our technical service team is ready to assist you. From product selection to after-sales support, we strive to deliver a seamless and satisfying experience. Are you ready to experience the best in electronic component distribution? Contact X-ON Electronics today and discover why X-On are a preferred choice for the 03450121H and other electronic components in the Fuse Holder category and beyond.

Image Part-Description
Stock Image 0216.500MXEP
Littelfuse Cartridge Fuses 250V .5A Fast Acting
Stock : 737
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image 0235.500MXP
500 mA 250 V AC DC Fuse Cartridge, Glass Holder 5mm x 20mm
Stock : 1766
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image 0218.032HXP
Cartridge Fuses 250V .032A Time Lag (Slo-Blo)
Stock : 86
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image 0229003.HXSP
3 A 250 V AC 125 V DC Fuse Cartridge, Glass Requires Holder 2AG, 5mm x 15mm
Stock : 79
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image 01070002Z
Littelfuse Fuse Clips Clip 916 Dia
Stock : 26110
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image 022903.5MXP
Cartridge Fuses 3.5A 250V Tube,4.2x14.1mm RoHS
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image 02292.25HXP
2.25 A 250 V AC 125 V DC Fuse Cartridge, Glass Holder 2AG, 5mm x 15mm
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image 0235.200MXP
Cartridge Fuses 250V .2A Fast Acting
Stock : 1464
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image 0235002.VXP
Cartridge Fuses 250V 5X20mm P 2AMP
Stock : 108
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image 00713200
Pushbutton Switches Plunger Switch 2-Way N.C.
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Image Part-Description
Stock Image 0031.1680
Fuse Holder FEU FUSEHOLDER 6.3X32 IP
Stock : 200
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image 0031.8221
Fuseholder - PCB Mount - Open Design - 250V - 10A - 5 x 20mm - Solder - Surface Mount ...
Stock : 3247
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image FH65
Fuse Holder 2-Pin
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image BK/HTC-60M
Fuse Holder 6.3A 250V Pin Through Hole Bulk
Stock : 20
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image 3001001
Fuse acces: fuse holder with cover; fuse:29mm; 80A; -30÷125°C
Stock : 428
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image 281005
Fuse Holder 5A 125V Pin Through Hole
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image BK/S-8301-1-R
Fuse Holder 300V Screw 1 Pos Straight
Stock : 1846
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image 02810001H
Fuse Holder Micro
Stock : 100
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image L60030M1SQDINR
Littelfuse Fuse Holder 600V 30A Midget 1 Pole Din MNT RLS
Stock : 1228
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image 002243020
Neozed adapter; D02; 16A
Stock : 40
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Cartridge Fuse Holders Enclosed Fuseholders > Panel Mounted > Circuit Board Mounted RoHS Pb 345 HV Series Panel Mount Enclosed Fuse Holders Product Characteristics Compatible For 3AB/3AG, 520mm Fuses Fuses Designed to eliminate the possibility of electrical shock, as defined in IEC standards 60127-6. The Description universal fuseholder body will accept 3AB, 3AG, and 5 20mm fuse sizes. Insulation Resistance: 10,000 megohm minimum at 500 VDC. Contact Resistance: Less than .005 ohm Electrical average at currents up to 1 ampere. Dielectric Strength: 4,000 volts minimum. Threaded styles withstand 15 in.-lb. mounting torque. Mounting Low profile and High profile panel thickness: .032 min./.310 max. Molded Parts Body Material: Black glass-filled thermoplastic (UL 94V0). Grey or black glass-filled thermoplastic (UL94 V-0) Hex Knob Material Nut Material: Black glass-filled thermoplastic. Fuse Extractor type with plated copper alloy insert. Plated copper alloy contact clips. Spring loaded, locking Knob mechanism provides an anti-tease feature and will not vibrate loose. Additional Information Plated cooper alloy, A-187 dual purpose terminal accepts Terminals wire for soldering or a Quick-Connect receptacle. Ambient 40C to +85C. Temperature Threaded style fuseholders are supplied with a Hardware thermoplastic hex nut unassembled. Datasheet Resources Samples * Please refer to Fuseology section for information on proper fuseholder re-rating. Agency Approval Agency Agency File Number 3AG/AB 520mm E14721 20A, 600V 20A, 600V 7316 20A, 600V 20A, 600V 2019 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 12/10/191.66 (42.2) 1.50 (38.1) 1.66 (42.2) Cartridge Fuse Holders Enclosed Fuseholders > Panel Mounted > Circuit Board Mounted Dimensions Terminal Styles Low Prole Screwdriver Slot Knob KNOB - GRAY: 0345601, 0345611 0.65 DIA. 0.090 x 0.160 BLACK: 0345621, 0345631 (16.5) 2.3mm x 4.1mm HOLE 0.187 4.8mm 1/2-32 (2A) DOUBLE-LEAD 3/16 DUAL THREAD 1.50 PURPOSE (38.1) SOLDER/QUICK CONNECT Bottom Terminal Suggested Mounting Holes Straight Right Angle 0.475 0.460 B 12.1 11.7 C 0.502 12.8 A 0.510 13.0 High Prole Screwdriver Slot Knob KNOB - GRAY: 0345602, 0345612 0.65 DIA. 0.480 0.465 AB C BLACK: 0345622, 0345632 (16.5) 12.2 11.8 in62 .37 .020 mm 15.7 9.4 0.5 Push-O Type Retaining Nut Plastic Hex Nut with Flange for Quick Mount Fuseholder 0.65 16.5 0.19 0.63 16 DIA. 4.8 0.91 23.1 DIA. Low Prole Fingergrip Knob 0.558 SPECIAL 14.2 0.65 DIA. 1/2 THREAD HEX. (16.5) Rear Mount Fingergrip Knob 0.65 DIA. (16.5) Fast Mount Low Prole Screwdriver Slot Knob KNOB - GRAY: 0345701, 0345711 BLACK: 0345721, 0345731 0.65 DIA. 8 (16.5) +5 0.37 /-3 (9.4) 0.80 0.020 (20.3) (.51) Part Numbering System Part Number Low High Front Rear Rt. Angle Straight Knob Type Packing Profile Profile Mount Mount Terminal Terminal (3AG/AB) 5x20mm 03450601H 03450621H Screwdriver Slot X - X - X - Bulk (100 pieces) 03450602H 03450622H Screwdriver Slot - X X - X - Bulk (100 pieces) 03450603H 03450623H Finger Grip - X X - X - Bulk (100 pieces) 03450611H 03450631H Screwdriver Slot X - X - - X Bulk (100 pieces) 03450612H 03450632H Screwdriver Slot - X X - - X Bulk (100 pieces) 03450613H 03450633H Finger Grip - X X - - X Bulk (100 pieces) 03450701H -- Screwdriver Slot X - X - X - Bulk (100 pieces) 03450711H -- Screwdriver Slot X - X - - X Bulk (100 pieces) 03450903H 03450923H Finger Grip - X - X X - Bulk (100 pieces) 03450913H 03450933H Finger Grip - X - X - X Bulk (100 pieces) 2019 Littelfuse, Inc. Specifications are subject to change without notice. Revised: 12/10/19 1/2-32 (2A) DOUBLE-LEAD THREAD 1/2-32 (2A) DOUBLE-LEAD THREAD 0.37 (9.4) 1.66 (42.2) 0.37 (9.4) 1.66 (42.2) 0.37 (9.4) 1.21 (30.7) 1.21 (30.7) 1/2-32 (2A) DOUBLE-LEAD THREAD

Tariff Desc

8536.10 FUSES AND FUSE HOLDERS, subminiature, plug in or pigtail type known as picofuses or microfuses, dimensions NOT exceeding 6 mm x 18 mm- TC 8530773

8536.30.00 HOLDERS AND BASES, ELECTRICAL FUSE, complying with AustralianStandard 60269.2.1-2005 (AS 60269.2.1-2005), being ANY of the following: 
(a) modular fuse holders; 
(b) ferrule fuse fittings having a voltage rating NOT greater than 690 V; 
(c) DIN fuse bases having a voltage rating NOT greater than 690 V; 
(d) fuse bases having a rating NOT less than 30 A and NOT greater than 600 A; 
(e) DC fuse fittings
Op. 01.06.10             Dec. Date 30.08.10     - TC 1024524
Cole Hersee
HAMLIN
Hamlin Littelfuse
Hamlin / Littelfuse
Hamlin Inc
Hartland Controls / Littelfuse
LF
LF7
Littelfuse Teccor Sidactor Product
Littelfuse Wickmann Brand
Littelfuse / US Sensor
Littelfuse Inc
Littelfuse Inc.
Littelfuse Industrial Products
LITTELFUSE SEMITRON
LITTELFUSE WICKMANN
LITTELFUSE, INC.
Littelfuse/CVP
Little Fuse / Wickmann
Littlefuse
SSAC
SSAC Relays
TE Connectivity / Circuit Protection
Wickmann
WICKMANN USA
TIP42 Bipolar Transistors - BJT by Central Semiconductor image

Aug 13, 2025
The TIP42 Bipolar Transistors - BJT by Central Semiconductor offer high efficiency, durability, and excellent thermal stability for PNP transistor applications. Available with worldwide shipping to USA, India, Australia, and Europe.
712797R Molex Wire Housing – 2 Circuits, 2.54mm Pitch image

Jul 15, 2025
712797R by Molex is a 2-circuit, 2.54mm pitch wire housing with crimp termination and nylon body. Designed for compact, secure wire-to-board connections in electronics and control systems.
TA090706 Enclosures by Fibox image

Aug 29, 2025
The TA090706 Enclosures, Boxes & Cases by Fibox provide IP66/IP67 protection, UV-resistant polycarbonate construction, and compact design, ensuring durability for industrial and outdoor applications globally.
2CDS251001R0064 Circuit Breaker by ABB image

Aug 7, 2025
2CDS251001R0064 Circuit Breakers by ABB offer 6A, 1-pole, Type C tripping with 10kA breaking capacity. Ideal for safe, compact circuit protection in control and power panels.

Looking for help? Visit our FAQ's Section to answer to all your questions

 

X-ON Worldwide Electronics

Welcome To X-ON Electronics
For over three decades, we have been advocating and shaping the electronic components industry. Our management complements our worldwide business scope and focus. We are committed to innovation, backed by a strong business foundation. If you need a trustworthy supplier of electronic components for your business – look no further.
 

Copyright ©2025  X-ON Electronics Services. All rights reserved.
Please ensure you have read and understood our Terms & Conditions before purchasing. All prices exclude GST.

Image for all the cards that are accepted Image for all the cards that are accepted Image for all the cards that are accepted Image for all the cards that are accepted Image for all the cards that are accepted AS9120 Certified