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R3 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

R3 product

R3

Accessories

Thermal FuseATCOSafety Device

The R3 is a 121 °C alloy-type thermal fuse (ATCO) rated for 15 A at 250 VAC, designed for permanent circuit interruption during over-temperature events.

Best for

  • Appliance safety
  • Transformer protection

Avoid if

  • Applications requiring resettable protection

Check before use

  • Soldering temperature and duration limits

Key specifications

Tf
121 °C
Rated Current
15 A
Rated Voltage
250 VAC

Compliance & Environment

RoHS
Not applicable
REACH
Vendor Undefined
MSL
Vendor Undefined
ECCN
-
HTSUS
-

Application

Home AppliancesTransformers

Datasheet

62534e3a50d46f4b7389ae438db6bfc5_2405091029_SETsafe--|--SETfuse-R3_C22396324.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for R3: 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 R3 is an alloy-type thermal-link (ATCO) from SETsafe that acts as a non-resettable safety device to protect circuits from overheating.