Skip to Main Content
Part of the TTI Family of Specialists
Mouser Electronics
Tampines Plaza 2 #04-02
5 Tampines Central 1
Singapore 529541
+65 6788-9233
Part of the TTI Family of Specialists
|
Contact Mouser (Singapore) +65 6788-9233
|
Feedback
Change Location
English
Rp IDR
+65 6788-9233
Change Location
Search by part numbers or keywords
In Stock
RoHS
Electronic Components
Industrial Automation
Account & Orders
0
0
Basket Contains Scheduled Items
Mfr.
Mfr. No:
Qty
Ext Total
Mfr. Part No.
Mfr.:
Description:
Qty:
Basket Summary
* Your basket contains errors.
View Basket
Outstanding balance which reflects all unpaid changes due at this time per your selected payment method.
Continue Shopping
View Basket
* Your basket contains errors.
Do not show again and take me directly to the Basket.
Select Your Location
United States
Indonesia
More Options
Indonesia
Incoterms:FCA (Shipping Point)
Duty, customs fees and taxes are collected at time of delivery.
Please confirm your currency selection:
Indonesian Rupiah
Payment accepted in Credit cards only
US Dollars
All payment options available
Images are for reference only
See Product Specifications
Home
Electronic Components
Thermal Management
Heat Sinks
Share
Share This
Copy
The link could not be generated at this time. Please try again.
421 Series Heat Sinks
Products
(4)
Images
Newest Products
Results:
4
Smart Filtering
As you select one or more parametric filters below, Smart Filtering will instantly disable any unselected values that would cause no results to be found.
Applied Filters:
Thermal Management
Heat Sinks
Series
=
421
Designed for
Mounting Style
Heatsink Material
Fin Style
Thermal Resistance
Length
Width
Height
TO-3
TO-3, DO-5
Reset
Press Fit
Screw
Reset
Aluminum
Reset
Extruded Axial Fin
Reset
0.7 C/W
Reset
76.2 mm
Reset
120.65 mm
Reset
66.67 mm
Reset
Reset All
Please modify your search so that it will return results.
×
Selection Required
To use the less than or greater than function, please select a value first.
Search within results
Enter a part number or keyword
×
In Stock
Normally Stocked
Active
New Products
RoHS Compliant
Select
Image
Part #
Mfr.
Description
Datasheet
Availability
Pricing (IDR)
Filter the results in the table by unit price based on your quantity.
Qty.
RoHS
ECAD Model
Product
Designed for
Mounting Style
Heatsink Material
Fin Style
Thermal Resistance
Length
Width
Height
Heat Sinks Heat Sink for TO3, 120.7x76.2x66.7mm, 6.9mm dia. Hole Mounting Hole Pattern
421F
Wakefield Thermal
1:
Rp719.714
60
In Stock
Mfr. Part No.
421F
Mouser Part No
567-421F
Wakefield Thermal
Heat Sinks Heat Sink for TO3, 120.7x76.2x66.7mm, 6.9mm dia. Hole Mounting Hole Pattern
Datasheet
60
In Stock
1
Rp719.714
10
Rp663.758
25
Rp621.562
50
Rp557.535
75
View
75
Rp557.351
1.050
Quote
Buy
Min.:
1
Mult.:
1
Details
Heat Sinks
TO-3
Screw
Aluminum
Extruded Axial Fin
0.7 C/W
76.2 mm
120.65 mm
66.67 mm
Heat Sinks Double-Surface Heat Sink for TO-3 Case Styles and Diodes, 120.7x76.2x66.7mm
421K
Wakefield Thermal
1:
Rp369.488
32
In Stock
75
Expected 06/11/2026
Mfr. Part No.
421K
Mouser Part No
567-421-K
Wakefield Thermal
Heat Sinks Double-Surface Heat Sink for TO-3 Case Styles and Diodes, 120.7x76.2x66.7mm
Datasheet
32
In Stock
75
Expected 06/11/2026
1
Rp369.488
10
Rp327.109
25
Rp311.699
50
Rp293.903
75
View
75
Rp293.719
300
Rp272.805
525
Rp264.733
Buy
Min.:
1
Mult.:
1
Details
Heat Sinks
TO-3, DO-5
Press Fit
Aluminum
Extruded Axial Fin
0.7 C/W
76.2 mm
120.65 mm
66.67 mm
Heat Sinks Heat Sink for TO3, 120.7x76.2x66.7mm, (1) TO3 Mounting Hole Pattern
421A
Wakefield Thermal
1:
Rp480.849
67
Expected 08/09/2026
Mfr. Part No.
421A
Mouser Part No
567-421A
Wakefield Thermal
Heat Sinks Heat Sink for TO3, 120.7x76.2x66.7mm, (1) TO3 Mounting Hole Pattern
Datasheet
67
Expected 08/09/2026
1
Rp480.849
10
Rp451.495
25
Rp411.317
50
Rp381.413
75
View
75
Rp366.370
300
Rp350.042
525
Rp346.923
2.550
Quote
Buy
Min.:
1
Mult.:
1
Details
Heat Sinks
TO-3
Screw
Aluminum
Extruded Axial Fin
0.7 C/W
76.2 mm
120.65 mm
66.67 mm
Heat Sinks Low Height, Double-Surface Heat Sink for TO-3 Case Styles + Diodes, B1210-V Rev.
Wakefield Thermal 421V
421V
Wakefield Thermal
75:
Rp459.567
Non-Stocked Lead-Time 10 Weeks
Mfr. Part No.
421V
Mouser Part No
567-421V
Wakefield Thermal
Heat Sinks Low Height, Double-Surface Heat Sink for TO-3 Case Styles + Diodes, B1210-V Rev.
Non-Stocked Lead-Time 10 Weeks
75
Rp459.567
300
Rp451.312
1.050
Quote
1.050
Quote
Buy
Min.:
75
Mult.:
75
Details
Heat Sinks
TO-3
×
Buy Selected
Filter Results
Please modify your search so that it will return results.