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Heat Sinks

219 items in 663 variations
*incl. VAT plus shipping costs
Item description
Total
Price list
Min. heat resistance
Max. heat resistance
diameter
Length
Width
Height
Material
Version
Surface type
Suitable for
10021007 Fischer Elektronik Heat Sinks
Extruded heatsink, (L x W x H) 25 x 10.3 x 20 mm, 35 to 7 K/W, black anodized, 10021007
Order No.:
 70B6560
Manufacturer:
 Fischer Elektronik
Manufacturer SKU:
 10021007
Standard delivery time from the manufacturer is: 2 Weeks
Total Price: 1.04 € *
1 pcs.
1.0353 €
10 pcs.
0.9520 €
25 pcs.
0.8925 €
50 pcs.
0.8092 €
7 K/W
35 K/W
25 mm
10.3 mm
20 mm
aluminum
extruded heatsink
black anodized
snap-in transistor retaining spring
10102591 Fischer Elektronik Heat Sinks
Extruded heatsink, (L x W x H) 37.5 x 10.3 x 20 mm, 39 to 31 K/W, black anodized, 10102591
Order No.:
 70B6562
Manufacturer:
 Fischer Elektronik
Manufacturer SKU:
 10102591
Standard delivery time from the manufacturer is: On Request
Total Price: 16.78 € *
10 pcs.
1.6779 €
50 pcs.
1.4756 €
250 pcs.
1.2733 €
1000 pcs.
1.1186 €
2500 pcs.
1.0234 €
31 K/W
39 K/W
37.5 mm
10.3 mm
20 mm
aluminum
extruded heatsink
black anodized
10020625 Fischer Elektronik Heat Sinks
Extruded heatsink, (L x W x H) 25 x 30 x 45 mm, 5.7 to 2.2 K/W, black anodized, 10020625
Order No.:
 70B6652
Manufacturer:
 Fischer Elektronik
Manufacturer SKU:
 10020625
Standard delivery time from the manufacturer is: 2 Weeks
Total Price: 2.56 € *
1 pcs.
2.5585 €
10 pcs.
2.3681 €
25 pcs.
2.2134 €
50 pcs.
2.0111 €
2.2 K/W
5.7 K/W
25 mm
30 mm
45 mm
aluminum
extruded heatsink
black anodized
snap-in transistor retaining spring
10020645 Fischer Elektronik Heat Sinks
Extruded heatsink, (L x W x H) 75 x 35.3 x 35 mm, 6.3 to 2.6 K/W, black anodized, 10020645
Order No.:
 70B6663
Manufacturer:
 Fischer Elektronik
Manufacturer SKU:
 10020645
Next delivery: 2 pcs. on 2025-10-21
Total Price: 5.93 € *
1 pcs.
5.9262 €
10 pcs.
5.5097 €
25 pcs.
5.1408 €
50 pcs.
4.6767 €
2.6 K/W
6.3 K/W
75 mm
35.3 mm
35 mm
aluminum
extruded heatsink
black anodized
snap-in transistor retaining spring
10020649 Fischer Elektronik Heat Sinks
Extruded heatsink, (L x W x H) 100 x 35.3 x 35 mm, 6.3 to 2.6 K/W, black anodized, 10020649
Order No.:
 70B6664
Manufacturer:
 Fischer Elektronik
Manufacturer SKU:
 10020649
Standard delivery time from the manufacturer is: 2 Weeks
Total Price: 6.68 € *
1 pcs.
6.6759 €
5 pcs.
6.3308 €
10 pcs.
5.9262 €
25 pcs.
5.4026 €
2.6 K/W
6.3 K/W
100 mm
35.3 mm
35 mm
aluminum
extruded heatsink
black anodized
snap-in transistor retaining spring
10020703 Fischer Elektronik Heat Sinks
Extruded heatsink, (L x W x H) 50 x 52.3 x 28 mm, 6.5 to 1.4 K/W, black anodized, 10020703
Order No.:
 70B6672
Manufacturer:
 Fischer Elektronik
Manufacturer SKU:
 10020703
Standard delivery time from the manufacturer is: 2 Weeks
Total Price: 4.14 € *
1 pcs.
4.1412 €
10 pcs.
3.8437 €
25 pcs.
3.5938 €
50 pcs.
3.2606 €
1.4 K/W
6.5 K/W
50 mm
52.3 mm
28 mm
aluminum
extruded heatsink
black anodized
snap-in transistor retaining spring
10020796 Fischer Elektronik Heat Sinks
Extruded heatsink, (L x W x H) 37.5 x 47.8 x 33 mm, 5.3 to 2.2 K/W, black anodized, 10020796
Order No.:
 70B6681
Manufacturer:
 Fischer Elektronik
Manufacturer SKU:
 10020796
Standard delivery time from the manufacturer is: 2 Weeks
Total Price: 3.18 € *
1 pcs.
3.1773 €
10 pcs.
2.9512 €
25 pcs.
2.7489 €
50 pcs.
2.4990 €
2.2 K/W
5.3 K/W
37.5 mm
47.8 mm
33 mm
aluminum
extruded heatsink
black anodized
snap-in transistor retaining spring
10020802 Fischer Elektronik Heat Sinks
Extruded heatsink, (L x W x H) 100 x 47.8 x 33 mm, 5.3 to 2.2 K/W, black anodized, 10020802
Order No.:
 70B6684
Manufacturer:
 Fischer Elektronik
Manufacturer SKU:
 10020802
Standard delivery time from the manufacturer is: 2 Weeks
Total Price: 6.91 € *
1 pcs.
6.9139 €
5 pcs.
6.5569 €
10 pcs.
6.1285 €
25 pcs.
5.5930 €
2.2 K/W
5.3 K/W
100 mm
47.8 mm
33 mm
aluminum
extruded heatsink
black anodized
snap-in transistor retaining spring
10018984 Fischer Elektronik Heat Sinks
Extruded heatsink, (L x W x H) 38.1 x 34.9 x 12.7 mm, 11 K/W, black anodized, 10018984
Order No.:
 70B684
Manufacturer:
 Fischer Elektronik
Manufacturer SKU:
 10018984
Standard delivery time from the manufacturer is: 2 Weeks
Total Price: 1.81 € *
1 pcs.
1.8088 €
10 pcs.
1.6779 €
25 pcs.
1.5708 €
50 pcs.
1.4280 €
11 K/W
38.1 mm
34.9 mm
12.7 mm
aluminum
extruded heatsink
black anodized
semiconductors
10022554 Fischer Elektronik Heat Sinks
Extruded heatsink, (L x W x H) 50 x 32 x 14 mm, 8.5 K/W, black anodized, 10022554
Order No.:
 70B7206
Manufacturer:
 Fischer Elektronik
Manufacturer SKU:
 10022554
Standard delivery time from the manufacturer is: 2 Weeks
Total Price: 1.71 € *
1 pcs.
1.7136 €
10 pcs.
1.5827 €
25 pcs.
1.4875 €
50 pcs.
1.3447 €
8.5 K/W
50 mm
32 mm
14 mm
aluminum
extruded heatsink
black anodized
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*incl. VAT plus shipping costs
Subject to prior sale
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First-class heat sinks

Heat sinks are essential components in electronic devices and systems for reliably regulating the temperature of components and devices. They efficiently dissipate excess heat, thus preventing overheating that could lead to malfunctions or damage. Heat sinks are often made of materials with high thermal conductivity, such as aluminium or copper. They are available in a variety of shapes and sizes to meet the specific requirements of the application.

Wide range of heat sinks at Bürklin

Our online shop offers a wide selection of heat sinks for a variety of applications – from cooling LED products to high-performance industrial applications. Thanks to our user-friendly filter tool in the product search, you can quickly find the right heat sink for your needs. Our experienced team is on hand to answer any questions you may have about our product range, so that you get the best possible solution for your project. You also benefit from our fast delivery times, so you can realise your projects without delay.