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Available Replacements
641K by wakefield
Image is representational - see manufacturer specifications

Wakefield Authorized Distributor

641K

Heat Sink Passive TO-3 Aluminum Alloy 0.9°C/W Black Anodized

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RoHS Compliant
Packaging
Certificate of Compliance
Description +
Heat Sink Passive TO-3 Aluminum Alloy 0.9°C/W Black Anodized
Search Keywords: 641K
SPECS +
  • Product Attribute
    Attribute Value Select Attribute
  • Supplier:
    Wakefield
  • Part No:
    641K
  • Unit of Measure:
    Per Each
  • RoHS:
    Yes
  • HTS:
    7616995090
  • COO:
    CN
  • ECCN:
    EAR99
  • Supplier Standard Pack: This information is provided for customers who prefer to buy in multiples of the Manufacturer’s Standard Package quantity. Minimum Order Quantities and Required Order Multiples are presented with our price and availability information.
    30
  • Device Cooled:
    TO-3
  • Attachment Method:
    N/A
  • Dimension:
    76.2 x 104.8 x 25.4 mm
  • Thermal Resistance:
    0.9@250LFM °C/W
  • Finish:
    Black Anodized
Symbol, Footprint, 3D Model
Tools/3D Models +
Product Guides +
Frequently Asked Questions
What replaces 641K?
The recommended replacement for 641K is 642-25AB from Wakefield, available from OnlineComponents.com.
Is 641K RoHS compliant?
Yes, 641K is RoHS compliant.
What is the lead time for 641K?
The standard lead time for 641K is approximately 17 weeks. In-stock quantities ship from OnlineComponents.com.

Price Match Guarantee
We’ll meet or beat any authorized competitor’s published price for this part.
In Stock: 524
Can Ship immediately
On Order:
600   can ship 11/30/26
Minimum Order Quantity:
5
17 Weeks can ship 1/19/27
ADD TO CART
Price (USD)
Qty
Unit Price
5
$16.41
30
$12.61
60
$11.26
120
$10.51
270
$9.70
510
$9.16
1,020 +
$9.14
Supplier's Standard Package
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