ProjectsPricingInsights

RUEF400K AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

RUEF400K product

RUEF400K

PTC Resettable Fuses

PTCResettable FuseLittelfuse

The RUEF400K is a 30V, 4A radial leaded PTC resettable fuse suitable for general overcurrent protection applications.

Best for

  • Overcurrent protection

Avoid if

  • Applications exceeding 30V or 4A continuous current

Check before use

  • Ambient temperature derating

Key specifications

Hold Current
4.00 A
Max Voltage
30 V
Resistance Range
0.01 - 0.03 Ohm

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

General Overcurrent Protection

Datasheet

media

800 KB

Datasheet AI

CAD Models

Download ECAD models for RUEF400K: 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 PolySwitch PTC resettable fuse from Littelfuse designed to protect circuits from overcurrent conditions.