Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

LITTELFUSE Miniature Electronic Fuse: 263 Series, Solder-In, Axial Lead Fuse Body - Very-Fast-Acting Axial-Lead Fuses
LITTELFUSEVery-Fast-Acting Axial-Lead Fuses

LITTELFUSE Miniature Electronic Fuse: 263 Series, Solder-In, Axial Lead Fuse Body

The LITTELFUSE 263 Series is a very-fast-acting axial-lead fuse, designed for solder-in installation. This miniature electronic fuse, identified by manufacturer part number 0263003.WRT1L, provides overcurrent…

SKU 3G-OTH-26035

Brand
LITTELFUSE
Item
Miniature Electronic Fuse: 263 Series, Solder-In, Axial Lead Fuse Body
Category
Very-Fast-Acting Axial-Lead Fuses
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

LITTELFUSE
Manufacturer Part Number
0263003.WRT1L
Series
263
Type
Solder-In, Axial Lead Fuse Body, Very-Fast-Acting
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

LITTELFUSE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The LITTELFUSE 263 Series is a very-fast-acting axial-lead fuse, designed for solder-in installation. This miniature electronic fuse, identified by manufacturer part number 0263003.WRT1L, provides overcurrent protection in a compact axial lead body.

Frequently Asked Questions

What is the LITTELFUSE 263 Series fuse used for?

The LITTELFUSE 263 Series very-fast-acting axial-lead fuse provides overcurrent protection in compact electronic circuits. It is commonly used in power supplies, instrumentation, and control panels where fast response to fault currents is critical to protect sensitive components.

What are the specifications of the LITTELFUSE 0263003.WRT1L?

The LITTELFUSE 0263003.WRT1L is a 263 Series miniature electronic fuse with a solder-in, axial lead body. It is very-fast-acting, rated for overcurrent protection. The manufacturer part number is 0263003.WRT1L, and it is designed for solder-in installation in compact applications.

Where to buy LITTELFUSE 263 Series fuses worldwide?

3G Electric supplies LITTELFUSE 263 Series fuses worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to source the 0263003.WRT1L or other LITTELFUSE part numbers for your project.

How to select the correct LITTELFUSE axial-lead fuse?

To select the correct LITTELFUSE axial-lead fuse, verify the current rating, voltage rating, and interrupting capacity match your circuit requirements. The 263 Series is very-fast-acting, ideal for protecting sensitive electronics. Always confirm the physical dimensions and lead style (solder-in) fit your PCB layout.

Used in

Common applications for LITTELFUSE
Power electronics protection — Littelfuse PSR Series semiconductor fuses for IGBT and diode protection in variable frequency drives.
Solar photovoltaic systems — Littelfuse SPF Series fast-acting fuses for string overcurrent protection in PV arrays.
Automotive electrical systems — Littelfuse MIDI® 498 Series bolt-on fuses for battery and alternator protection in vehicles.
Industrial control panels — Littelfuse KLKD Series midget fuses for branch circuit protection in control transformers and relays.
Motor control centers — Littelfuse BLF Series fast-acting fuses for short-circuit protection of motor starters and contactors.

LITTELFUSE Products

3G Electric supplies LITTELFUSE very-fast-acting axial-lead fuses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Similar products

Matched by specification & description
LITTELFUSE Miniature Electronic Fuse: 473 Series, Solder-In, Axial Lead Fuse Body, Time-Delay, 3 A (MPN 0473003.MRT1L). Key specifications — attr1287202: 473; attr1249361: LITTELFUSE.
LITTELFUSE
LITTELFUSE Miniature Electronic Fuse: 473 Series, Solder-In, Axial Lead Fuse Body, Time-Delay, 3 A (MPN 0473003.MRT1L). Key specifications — attr1287202: 473; attr1249361: LITTELFUSE.
LITTELFUSE Miniature Electronic Fuse: 473 Series, Solder-In, Axial Lead Fuse Body, Time-Delay, 2 A (MPN 0473002.MRT1L). Key specifications — attr1287202: 473; attr1249361: LITTELFUSE.
LITTELFUSE
LITTELFUSE Miniature Electronic Fuse: 473 Series, Solder-In, Axial Lead Fuse Body, Time-Delay, 2 A (MPN 0473002.MRT1L). Key specifications — attr1287202: 473; attr1249361: LITTELFUSE.
LITTELFUSE Miniature Electronic Fuse: 473 Series, Solder-In, Axial Lead Fuse Body, Time-Delay, 1 A (MPN 0473001.MRT1L). Key specifications — attr1287202: 473; attr1249361: LITTELFUSE.
LITTELFUSE
LITTELFUSE Miniature Electronic Fuse: 473 Series, Solder-In, Axial Lead Fuse Body, Time-Delay, 1 A (MPN 0473001.MRT1L). Key specifications — attr1287202: 473; attr1249361: LITTELFUSE.
LITTELFUSE Miniature Electronic Fuse: 473 Series, Solder-In, Axial Lead Fuse Body, Time-Delay, 5 A (MPN 0473005.MRT1L). Key specifications — attr1287202: 473; attr1249361: LITTELFUSE.
LITTELFUSE
LITTELFUSE Miniature Electronic Fuse: 473 Series, Solder-In, Axial Lead Fuse Body, Time-Delay, 5 A (MPN 0473005.MRT1L). Key specifications — attr1287202: 473; attr1249361: LITTELFUSE.
LITTELFUSE Miniature Electronic Fuse: 473 Series, Solder-In, Axial Lead Fuse Body, Time-Delay (MPN 0473.375MRT1L). Key specifications — attr1287202: 473; attr1249361: LITTELFUSE.
LITTELFUSE
LITTELFUSE Miniature Electronic Fuse: 473 Series, Solder-In, Axial Lead Fuse Body, Time-Delay (MPN 0473.375MRT1L). Key specifications — attr1287202: 473; attr1249361: LITTELFUSE.
LITTELFUSE Miniature Electronic Fuse: 473 Series, Solder-In, Axial Lead Fuse Body, Time-Delay (MPN 0473.750MRT1L). Key specifications — attr1287202: 473; attr1249361: LITTELFUSE.
LITTELFUSE
LITTELFUSE Miniature Electronic Fuse: 473 Series, Solder-In, Axial Lead Fuse Body, Time-Delay (MPN 0473.750MRT1L). Key specifications — attr1287202: 473; attr1249361: LITTELFUSE.

More from LITTELFUSE

View all LITTELFUSE parts
LITTELFUSE Miniature Electronic Fuse: 251 Series, Solder-In, Axial Lead Fuse Body, Very-Fast-Acting (MPN 0251002.MXL). Key specifications — Series: 251; Brand: LITTELFUSE.
LITTELFUSE
LITTELFUSE Miniature Electronic Fuse: 251 Series, Solder-In, Axial Lead Fuse Body, Very-Fast-Acting (MPN 0251002.MXL). Key specifications — Series: 251; Brand: LITTELFUSE.
LITTELFUSE Miniature Electronic Fuse: 263 Series, Solder-In, Axial Lead Fuse Body, Very-Fast-Acting (MPN 0263.125WRT1L). Key specifications — Series: 263; Brand: LITTELFUSE.
LITTELFUSE
LITTELFUSE Miniature Electronic Fuse: 263 Series, Solder-In, Axial Lead Fuse Body, Very-Fast-Acting (MPN 0263.125WRT1L). Key specifications — Series: 263; Brand: LITTELFUSE.
LITTELFUSE Miniature Electronic Fuse: 263 Series, Solder-In, Axial Lead Fuse Body, Very-Fast-Acting (MPN 026302.5WRT1L). Key specifications — Series: 263; Brand: LITTELFUSE.
LITTELFUSE
LITTELFUSE Miniature Electronic Fuse: 263 Series, Solder-In, Axial Lead Fuse Body, Very-Fast-Acting (MPN 026302.5WRT1L). Key specifications — Series: 263; Brand: LITTELFUSE.