X4 AI Analysis:
Specs, Applications & Alternatives

AI summary

X4 product

X4

Programmers

Thermal FuseATCOCircuit Protection

The X4 is a radial-leaded alloy thermal-link (ATCO) rated for 130 °C and 3 A, providing reliable one-time over-temperature protection.

Best for

  • Over-temperature protection in heating appliances
  • Transformer thermal safety

Avoid if

  • Applications requiring resettable thermal protection

Check before use

  • Ensure soldering time and temperature limits are strictly followed to prevent premature fusing.

Key specifications

Rated Functioning Temp
130 °C
Rated Current
3 A
Holding Temp (Th)
106 °C

Compliance & Environment

RoHS
Y
REACH
Compliant
MSL
-
ECCN
EAR99
HTSUS
8542390001.0

Application

Heating appliancesTransformers

CAD Models

EDA symbol, PCB footprint, and 3D model for this component. Supported tools include Altium, KiCad, Eagle, and more.

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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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 X4 is a radial-type alloy thermal-link (ATCO) from SETsafe, designed to permanently open a circuit when the temperature exceeds 130 °C.