ProjectsPricingInsights

0456040.DR AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

0456040.DR product

0456040.DR

Fuses

Surface MountVery Fast ActingHigh Current

The 0456040.DR is a 40A, 72V very fast-acting surface mount fuse from the Littelfuse 456 NANO2® series, optimized for high-current server and power supply applications.

Best for

  • PC server voltage regulators
  • Cooling fan systems
  • Storage system power

Avoid if

  • Applications requiring slow-blow characteristics or voltages exceeding 72VDC.

Check before use

  • PCB copper trace width and thermal management requirements.

Key specifications

Current Rating
40 A
Voltage Rating
72 V
Interrupting Rating
180A @ 72VDC
Resistance
0.00105 Ohm

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
Level 1
ECCN
-
HTSUS
-

Application

Server PowerCooling Systems

Datasheet

Littelfuse_Fuse_456.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for 0456040.DR: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
Get Files
PCB Footprint
Land pattern for PCB layout
Get Files
3D Model
STEP file for mechanical design
Get Files
KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
Generate library

Login required · CAD models billed separately as an add-on

Where to Buy

Real-time and catalog pricing from verified distributors

Live prices updated on demand · Catalog (~) prices may differ

Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

It is a 40A surface mount fuse belonging to the Littelfuse 456 NANO2® series, designed for high-current, very fast-acting circuit protection.