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30R300UU AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

30R300UU product

30R300UU

PTC Resettable Fuses

PTCResettable Fuse30V3A

The 30R300UU is a 30V, 3A radial resettable PTC fuse from Littelfuse, ideal for overcurrent protection in low-voltage circuits.

Best for

  • USB ports
  • General electronics
  • Motor protection

Avoid if

  • Applications exceeding 30V
  • High-frequency switching circuits where PTC response time is too slow

Check before use

  • Ambient temperature derating
  • Maximum fault current requirements

Key specifications

Hold Current
3.00 A
Max Voltage
30 V
Resistance (R1max)
0.080 Ω

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

USB HubsMotor Protection

Datasheet

30R300UU-Littelfuse-datasheet-47907553.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for 30R300UU: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
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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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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 radial leaded resettable PTC (Positive Temperature Coefficient) fuse rated for 30V and 3A hold current.