Heat Sink TO-220 Aluminum Alloy 5.7W @ 75°C Board Level, Vertical
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HSE-B20254-040H

DigiKey Part Number
102-4240-ND
Manufacturer
Manufacturer Product Number
HSE-B20254-040H
Description
HEAT SINK, EXTRUSION, TO-220, 25
Manufacturer Standard Lead Time
14 Weeks
Customer Reference
Detailed Description
Heat Sink TO-220 Aluminum Alloy 5.7W @ 75°C Board Level, Vertical
Datasheet
 Datasheet
EDA/CAD Models
HSE-B20254-040H Models
Product Attributes
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Category
Length
1.000" (25.40mm)
Mfr
Width
1.260" (32.00mm)
Series
Fin Height
0.551" (14.00mm)
Packaging
Bag
Power Dissipation @ Temperature Rise
5.7W @ 75°C
Part Status
Active
Thermal Resistance @ Forced Air Flow
7.74°C/W @ 200 LFM
Type
Board Level, Vertical
Thermal Resistance @ Natural
13.16°C/W
Package Cooled
Material
Attachment Method
Bolt On and PC Pin
Material Finish
Black Anodized
Shape
Rectangular, Fins
Base Product Number
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
In-Stock: 0
115 estimated in stock on 31-Dec-2026
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All prices are in USD
Bag
QuantityUnit PriceExt Price
1$1.19000$1.19
10$1.05000$10.50
25$1.00000$25.00
50$0.96380$48.19
115$0.92209$106.04
345$0.86986$300.10
575$0.84656$486.77
1,035$0.82050$849.22
5,060$0.75400$3,815.24
Tariff Status: Tariff may apply if shipping to the United States. Estimated tariff costs will be calculated and displayed in the shopping cart to help you assess potential expenses.