573902B04000G

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:18.8°C/W; Packages Cooled:TO-220; External Width - Metric:12.7mm; External Height - Metric:38.1mm; External Length - Metric:12.7mm; External Diameter - Metric:-; Heat Sin 99R8250
Thermal Resistance: 18.8°C/W

Delivery and price
Units per pack	2000
Price	5.04 €
Current stock	200+
Lead time	30 days

Datasheet

DATASHEET 

## THERMAL DIVISION OF BOYD 

## **Board Level Cooling – Plug In 5739** 

## BOARD LEVEL COOLING – Plug In 5739 

Plug In 5739 is a series of plug in channel board level heat sinks designed to cool TO‐220 devices. Representative image only. 

## ORDERING INFORMATION 

|**Part Number**<br>573902B00000G<br>573902B04000G<br>~~rr~~|**Device Type**<br>TO‐220<br>TO‐220|
|---|---|



## HEAT SINK DETAILS 

|**Property**|**Details**|
|---|---|
|_Material_|Aluminum|
|_Finish_|Black Anodize|
|_Device Attachment Options_|Integrated Spring Action Clips|
|_Thermal Interface Material_|‐|



|**Property**|**Details**|
|---|---|
|_Heat Sink Width (mm)_|14.48|
|_Heat Sink Length (mm)_|12.70|
|_Heat Sink Height (mm)_|38.10|
|_Heat Sink Mounting Direction_|Vertical|



## MECHANICAL & PERFORMANCE 

_Drawing dimensions are shown in mm, (in)_ 

|Part Number|**“Y” Dim**|**“Z” Dim**|
|---|---|---|
|573902B00000G|22.00 (0.866)|1.73 (0.068)|
|573902B04000G|‐|‐|



Part Number: 573902B00000G 

Board Level Cooling www.aavid.com ~~~~~ 

_USA: 1.855.322.2843 EUROPE: 39.051.764002 ASIA: 86.21.6115.2000 x8122_ 

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DATASHEET **Board Level Cooling – Plug In 5739** 

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THERMAL DIVISIONOF BOYD<br>**----- End of picture text -----**<br>


## Part Number: 573902B04000G 

_Mounting Details:_ 

**==> picture [90 x 26] intentionally omitted <==**

**----- Start of picture text -----**<br>
ST<br>AAVILE<br>**----- End of picture text -----**<br>


Board Level Cooling www.aavid.com ~~——~~ 

_USA: 1.855.322.2843 EUROPE: 39.051.764002 ASIA: 86.21.6115.2000 x8122_

Updated at April 29, 2026

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