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1812L300MR AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

1812L300MR product

1812L300MR

PTC Resettable Fuses

PTCResettable Fuse1812Surface Mount

The 1812L300MR is a 3A, 6V surface mount resettable PTC fuse in an 1812 package, ideal for compact overcurrent protection.

Best for

  • Motherboards
  • USB peripherals
  • PCI cards

Avoid if

  • Operating voltage exceeds 6V
  • High-temperature environments without derating calculations

Check before use

  • Temperature derating data

Key specifications

Hold Current
3.00 A
Max Voltage
6 V
Package
1812

Compliance & Environment

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

Application

Consumer ElectronicsConnectivity

Datasheet

1812L300MR-Littelfuse-datasheet-24577145.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for 1812L300MR: 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

2
PartDetailsMatch
0ZCG0300FF2BManufacturer

URL can't contain control characters. '/component/docs/c2b7955c050eb5d3b108b1d8d978361e_2304140030_Littelfuse-1812L300MR_C127824.pdf, http://www.littelfuse.com/data/en/Data_Sheets/Littelfuse_PTC_1812L.pdf, https://s3.lax.sharktech.net/viassion/datasheets/hqonline/f51ba7ba948f7d34a31ea8c4c1f3cdc4.pdf, https://datasheet.octopart.com/1812L300MR-Littelfuse-datasheet-11773851.pdf, https://datasheet.octopart.com/1812L300MR-Littelfuse-datasheet-8764218.pdf, https://datasheet.octopart.com/1812L300MR-Littelfuse-data

Has caveats

Design and risk insights

Questions & answers

It is a surface mount resettable PTC (Positive Temperature Coefficient) fuse from Littelfuse, designed to protect circuits from overcurrent conditions.