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RUEF300 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

RUEF300 product

RUEF300

PTC Resettable Fuses

PPTCResettable Fuse30V3A

The RUEF300 is a 30V, 3A radial-leaded resettable PPTC fuse from Littelfuse, ideal for overcurrent protection in industrial and consumer electronics.

Best for

  • Industrial controls
  • Power supplies
  • Consumer electronics

Avoid if

  • Applications exceeding 30V
  • Environments above 85°C

Check before use

  • Thermal derating curves
  • PCB clearance for device expansion

Key specifications

Hold Current
3 A
Max Voltage
30 V
Operating Temp
-40°C to 85°C
Agency Recognition
UL, CSA, TÜV, CQC

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Industrial ControlsPower SupplyConsumer Electronics

Datasheet

media

800 KB

Datasheet AI

CAD Models

Download ECAD models for RUEF300: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
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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 RUEF300 is a radial-leaded PolySwitch resettable device (PPTC) manufactured by Littelfuse, rated for 30V and 3A hold current.