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AHEF300 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

AHEF300 product

AHEF300

PTC Resettable Fuses

AutomotivePPTCResettable Fuse

The AHEF300 is a 32V, 3A radial leaded PPTC resettable fuse optimized for automotive high-temperature environments.

Best for

  • Automotive motor protection
  • HVAC systems
  • ECU I/O protection

Avoid if

  • Reflow soldering is required
  • The device is constrained in rigid potting

Check before use

  • Ensure the circuit voltage does not exceed 32V

Key specifications

Hold Current
3.0 A
Max Voltage
32 V
Operating Temp
-40°C to 125°C

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

AutomotiveMotor Protection

Datasheet

media

800 KB

Datasheet AI

CAD Models

Download ECAD models for AHEF300: 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

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

Design and risk insights

Questions & answers

The AHEF300 is a resettable PPTC fuse from Littelfuse, specifically qualified for automotive applications under AEC-Q200 standards.