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mSMD300 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

mSMD300 product

mSMD300

Circuit Protection

PPTCResettable Fuse1812

The mSMD300 is a surface-mount PTC resettable fuse rated for 8V and 3A hold current, suitable for overcurrent protection in compact electronic circuits.

Best for

  • Low-voltage power supply protection
  • USB port protection
  • Consumer electronics

Avoid if

  • Operating voltage exceeds 8V
  • Continuous current exceeds 3A

Check before use

  • Ambient temperature derating curves

Key specifications

Hold Current
3A
Max Voltage
8V
Trip Current
5A

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Consumer ElectronicsPower Supplies

Datasheet

6f789c97842945cde3b3afd68d5fb244_2304140030_TECHFUSE-mSMD300_C69689.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for mSMD300: 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

The mSMD300 is a PPTC (Polymeric Positive Temperature Coefficient) resettable fuse in an 1812 surface-mount package, manufactured by TECHFUSE.