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K1812L300DR AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

K1812L300DR product

K1812L300DR

Circuit Protection

Resettable FusePPTC1812Surface Mount

The K1812L300DR is a 3.0A, 6V surface-mount resettable PTC fuse in an 1812 package, ideal for overcurrent protection in automotive and consumer electronics.

Best for

  • Automotive electronics
  • PC motherboards
  • USB port protection

Avoid if

  • The application voltage exceeds 6V
  • High-temperature environments where the 3.0A hold current is insufficient

Check before use

  • Thermal derating curves
  • Time-to-trip performance

Key specifications

Hold Current
3.0 A
Max Voltage
6 V
Package
1812
Resistance
0.012 - 0.060 Ω

Compliance & Environment

RoHS
Compliant
REACH
Compliant
MSL
-
ECCN
-
HTSUS
-

Application

AutomotiveConsumer ElectronicsPower Management

Datasheet

5a33a502eaf03c019de931e1beddabe9_2109071730_KUU-K1812L300DR_C2892442.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for K1812L300DR: 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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Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

It is a surface-mount resettable fuse (PPTC) with a 3.0A hold current and 6V maximum voltage rating, housed in a standard 1812 (4532 metric) footprint.