ProjectsPricingInsights

RUEF400 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

RUEF400 product

RUEF400

PTC Resettable Fuses

PPTCResettable Fuse30V4A

The RUEF400 is a 30V, 4A radial-leaded PPTC resettable fuse from Littelfuse, suitable for overcurrent protection in various electronic circuits.

Best for

  • Overcurrent protection in power supplies
  • Industrial controls

Avoid if

  • The application requires reflow soldering
  • The device is constrained in rigid potting

Check before use

  • Ensure the fault current does not exceed the device's maximum ratings

Key specifications

Voltage Rating
30 V
Hold Current
4 A
Trip Current
8 A

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Power SupplyIndustrial Controls

Datasheet

media

800 KB

Datasheet AI

CAD Models

Download ECAD models for RUEF400: 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

The RUEF400 is a PolySwitch radial-leaded resettable device (PPTC) manufactured by Littelfuse, rated for 30V and 4A hold current.