SW50-4G

Heat Sink, 8.6 °C/W, TO-218, TO-220, TO-247, 34.5 mm, 50 mm, 12.5 mm

⚠️ Reference pricing provided. In case of supply shortages, we will connect you with our trusted procurement partners to ensure your project's continuity.

Manufacturer: BOYD
Product type: Natural Convection Heat Sinks
Thermal Resistance:8.6°C/W; Packages Cooled:TO-218, TO-220, TO-247; External Width - Metric:34.5mm; External Height - Metric:50m; Available until stocks are exhausted Alternative available
Product Range: -
Packages Cooled: TO-218, TO-220, TO-247
Heat Sink Material: Aluminium
Thermal Resistance: 8.6°C/W
External Width - Metric: 34.5mm
External Height - Metric: 50mm
External Length - Metric: 12.5mm
External Width - Imperial: 1.36"
External Diameter - Metric: -
External Height - Imperial: 1.97"
External Length - Imperial: 0.49"
External Diameter - Imperial: -

Delivery and price
Units per pack	50
Price	2.65 €
Current stock	10+
Lead time	30 days

Datasheet

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## For use with TO-220/TO-218/TO-247 packages 

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Printer friendly version 

**Part Number - SW50-4G** 

## Mechanical Outline Drawing 

**Useful Links** • Building a Part # • Catalog Request • Directions • Find Distributor • Find Sales Rep • How to Order? • MSDS Safety Sheets • Part # Cross Ref • Quote Request • RoHS Initiative • Sample Request 

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## Thermal Curves 

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Thermal<br>8.80<br>Resistance<br>Thermal resistance value is<br>based on a 75°C rise in<br>natural convection<br>**----- End of picture text -----**<br>


## Product Information 

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Board<br>Part # Description Finish<br>Mounting<br>Extruded heat sink with<br>SW50- Black<br>unequal channel widths and  N/A<br>4G Anodize<br>device mounting holes<br>This non-electronic component is functionally unaffected by the<br>normal soldering or reflow processes used for semiconductor circuits.<br>The heat resistance time or heat resistance temperature is not<br>applicable for the component.<br>**----- End of picture text -----**<br>


## **Not Exactly what you need?** 

We offer several options for those applications which require a more unique solution. For slight modifications of this part or other attachment options, finishes, and interface materials, contact your local representative. Challenge us with your thermal requirements - we can design custom solutions. 

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Updated at April 29, 2026

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