Skip to Main Content

+44 (0) 1494-427500

Part of the TTI Family of Specialists Contact Mouser (UK) +44 (0) 1494-427500 Feedback

Change Location

English

Incoterms:DDU
Duty, customs fees and taxes are collected at time of delivery.

Please confirm your currency selection:

US Dollars
Free shipping on most orders over $150 (USD).
All major credit cards accepted

Euros
Free shipping on most orders over 150 € (EUR).
All major credit cards accepted

South African Rand
Free shipping on most orders over R2 000 (ZAR).
American Express not accepted as a method of payment

British Pounds
Free shipping on most orders over £125 (GBP).
All major credit cards accepted

In Stock

RoHS

Log In
New customer? Start here
Log In
New customer? Start here

Order History

Mfr.	Mfr. No:	Qty	Ext Total

It appears you have JavaScript disabled within your browser. Some functions on this page will not work unless you log in.

641K

Wakefield Thermal

Images are for reference only
See Product Specifications

Mouser No:

567-641-K

Mfr. No:

641K

Mfr.:

Wakefield Thermal

Description:

Heat Sinks Natural Convection Heat Sink for Metal-Case Semis, No Hole Pattern, 25.4mm H

Datasheet:

641K Datasheet (PDF)

ECAD Model:

Download the free Library Loader to convert this file for your ECAD Tool. Learn more about the ECAD Model.

In Stock: 146

Stock:: 146 Can Dispatch Immediately

An unexpected error occurred. Please try again later.
Factory Lead Time:: 16 Weeks Estimated factory production time for quantities greater than shown.

Enter Quantity:

Minimum: 1 Multiples: 1

Unit Price:

$-.--

Ext. Price:

$-.--

Est. Tariff:

Pricing (USD)

Qty.	Unit Price	Ext. Price
	$11.93	$11.93
	$10.58	$105.80
	$9.96	$298.80
	$9.60	$576.00
	$9.27	$1,112.40
	$8.79	$2,373.30
	$8.57	$4,370.70

.hidden-for-nojs { display: none; } .pull-right-nojs { justify-content: flex-end; }

Product Attribute	Attribute Value	Select Attribute
Manufacturer:	Wakefield Thermal
Product Category:	Heat Sinks
RoHS:
Product:	Heat Sinks
Designed for:	TO-3
Mounting Style:	Press Fit
Heatsink Material:	Aluminum
Fin Style:	Rectangular Fin
Thermal Resistance:	2.4 C/W
Length:	76.2 mm
Width:	104.77 mm
Height:	25.4 mm
Brand:	Wakefield Thermal
Color:	Black
Country of Assembly:	Not Available
Country of Diffusion:	Not Available
Country of Origin:	CN
Product Type:	Heat Sinks
Series:	641
Factory Pack Quantity:	30
Subcategory:	Heat Sinks
Type:	Component
Unit Weight:	157.766 g

Products found:

To show similar products, select at least one checkbox

Select at least one checkbox above to show similar products in this category.

Attributes selected: 0

Filter Document:

Datasheet

641K Datasheet (PDF)

RoHS Certificate (PDF)

CNHTS:: 8548000090
CAHTS:: 8541900000
USHTS:: 8541900080
JPHTS:: 854190000
TARIC:: 8541900000
ECCN:: EAR99

FEATURED PRODUCTS

WAKEFIELD THERMAL

690 Extruded Heat Sinks for TO Devices with Clip

Aluminum extruded heat sinks designed for TO-126, TO-220, and TO-247 devices.

SKV Skived Fin Heat Sinks

Alternatives to extruded heat sinks and manufactured using copper or aluminum with 0.5mm thick fins.

960 Series Plastic Push Pin Heat Sinks

Feature pre-assembled plastic push pins with a flexible barb that engage precisely with PCB holes.

Full, 1/2, 1/4, & 1/8 Brick DC/DC Heat Sinks

Available in various fin heights and orientations.

omniKlip™ Heat Sinks with Clips

Configurable, high-performance, compact solution for TO-220, TO-247, TO-264, and similar packages.