Image not available
Illustrative purposes only
574502B00000G
HEAT SINK
⚠️ 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:21.2°C/W; Packages Cooled:TO-220; External Width - Metric:21.84mm; External Height - Metric:19.05mm; External Length - Metric:10.03mm; External Diameter - Metric:-; Heat 73K2033
- Thermal Resistance: 21.2°C/W
| Delivery and price | |
|---|---|
| Units per pack | 3000 |
| Price | 2.06 € |
| Current stock | 200+ |
| Lead time | 30 days |
Standard Products Found Page 1 of 2 For use with TO-220 packages ## 574502b00000 VIS#002256 ## Mechanical Outline Drawing H Dim 19.05 (0.750) **==> picture [90 x 17] intentionally omitted <==** **----- Start of picture text -----**<br> Thermal<br>21.2<br>Resistance<br>**----- End of picture text -----**<br> 2/25/2003 Standard Products Found Page 2 of 2 ## Thermal Curves Thermal resistance value is based on a 75°C rise in natural convection ## Product Information |Product Information||| |---|---|---| |12 Digit Part #<br>Description|Finish|Board<br>Mounting| |574502b00000 Heat sink with no added<br>hardware|Black<br>Anodize|N/A| ## 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. For technical help with our Standard Products, please call (603) 223-1921, or contact your local Manufacturer’s Rep Email: info@aavid.com Visit us at www.aavidthermalloy.com • ©2002 Aavid Thermalloy, LLC 2/25/2003
Updated at April 29, 2026
About Novapart
Novapart is a B2B electronic component broker specialising in stock shortages and cost reduction. We source hard-to-find parts and identify compliant alternatives across a catalogue of 410,000+ components from 500+ manufacturers.
Learn more →Stock Shortage Specialist
When a component is unavailable, discontinued or has an unacceptable lead time, we tap into our network of vetted European and Asian distributors to source what you need — without compromising on quality or traceability.
Request a quote →Compliant Alternatives
We identify pin-to-pin, electrically equivalent substitutes that meet the same certifications (RoHS, AEC-Q100, REACH) as your original specification — validated against datasheets, not just part numbers. Often at a lower cost.
BOM Analysis service →