mSMD125 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

mSMD125 product

mSMD125

Circuit Protection

PTCResettable Fuse1812Overcurrent Protection

The mSMD125 is a 16V, 1.25A surface-mount PTC resettable fuse in an 1812 package, ideal for overcurrent protection in consumer electronics.

Best for

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

Avoid if

  • Applications exceeding 16V
  • Environments requiring high-speed fuse response

Check before use

  • Ambient temperature derating
  • PCB layout thermal dissipation

Key specifications

Hold Current
1.25 A
Trip Current
2.5 A
Max Voltage
16 V

Compliance & Environment

RoHS
Yes
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Consumer ElectronicsPower Supplies

CAD Models

Download ECAD models for mSMD125: 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 mSMD125 is a surface-mount PPTC (Polymeric Positive Temperature Coefficient) resettable fuse manufactured by TECHFUSE. It is designed to protect circuits from overcurrent conditions by increasing its resistance when tripped.