SMD1812-400-12V AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SMD1812-400-12V product

SMD1812-400-12V

Temperature Sensors

PTCResettable Fuse1812Overcurrent Protection

The SMD1812-400-12V is a 4A resettable PTC fuse in an 1812 SMD package, designed for overcurrent protection in compact electronics.

Best for

  • Portable electronics
  • Battery protection
  • Automotive circuits

Avoid if

  • Applications requiring high-speed fuse characteristics
  • Environments exceeding 70°C ambient temperature

Check before use

  • Thermal derating curves at your operating temperature

Key specifications

Hold Current
4.0 A
Max Voltage
12.0 V
Package
1812

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
Level 1
ECCN
-
HTSUS
-

Application

Portable ElectronicsAutomotive

CAD Models

Download ECAD models for SMD1812-400-12V: 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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KiCad Library
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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 Polymer PTC (Positive Temperature Coefficient) thermistor used for resettable overcurrent and overtemperature protection.