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30R300UPR AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

30R300UPR product

30R300UPR

PTC Resettable Fuses

PTCResettable Fuse30V3A

The 30R300UPR is a 30V, 3A radial leaded resettable PTC fuse from Littelfuse, ideal for overcurrent protection in low-voltage circuits.

Best for

  • USB peripherals
  • General electronics
  • Motor protection

Avoid if

  • Applications exceeding 30V
  • Environments requiring extremely high-speed response beyond PTC capabilities

Check before use

  • Ambient temperature derating
  • Maximum fault current limits

Key specifications

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

Compliance & Environment

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

Application

USB HubsMotor Protection

Datasheet

30R300UPR-Littelfuse-datasheet-47907553.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for 30R300UPR: 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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Where to Buy

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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 designed for overcurrent protection in applications up to 30V.