RHEF450 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

RHEF450 product

RHEF450

PTC Resettable Fuses

PPTCResettable FuseRadial LeadedHigh Temperature

The RHEF450 is a 16V, 4.5A radial-leaded resettable PPTC fuse optimized for high-temperature applications up to 125°C.

Best for

  • High-temperature industrial controls
  • Medical equipment
  • Power supplies

Avoid if

  • Applications requiring reflow soldering
  • Environments exceeding 125°C

Check before use

  • Thermal derating at operating temperature
  • Voltage and current limits

Key specifications

Hold Current
4.5 A
Max Voltage
16 V
Max Temp
125 °C

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

IndustrialMedicalPower

Datasheet

CAD Models

Download ECAD models for RHEF450: 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

Alternative components

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

Design and risk insights

Questions & answers

The RHEF450 is a radial-leaded PolySwitch resettable device (PPTC) from Littelfuse, rated for 16V and 4.5A hold current.