Leave an excess heat to Fischer heatsinks

Precise heatsinks from the production of Fischer Elektronik will take care for your devices to stay "cool".
This is an archive article published 04/07/2015. Some information may no longer be up to date and in line with the current state. Please contact us in case of interest.

Over 40 years of experience of company Fischer reflect in an excellent reputation and mainly in a stable high quality of their products. Main production portfolio consists of heatsinks, connectors and enclosures. Narrow specialization on mechanical and electromechanical components is reflected just in details. We can be sure, that a heatsink which we´ll use in our device, will be available the same precisely made even in a year, two,…

Fischer Elektronik takes care for one of the most important feature of heatsinks - planarity and surface smoothness in a place of a supposed touch of component with a heatsink. This a critical place, as even the best heat-conducting pastes have still a noticeable worse thermal conductivity than aluminium and just a high planarity and smoothness enables to use only a thin paste layer.

Also available are versions with an anodized surface (natural, black and other colors) as well as various “exotic” shapes. Upon request company Fischer also makes a custom products, drilling, milling,…
And what in the case that we need to cool kilowatts? - in that case it might be a suitable solution to use a liquid cooling, which can be also find in the Fischer Elektronik catalogue.

In case of interest in any Fischer Elektronik, please contact us at info@soselectronic.com.

Advantages/ Features:

  • top level heatsinks and electromechanical components
  • high accuracy, planarity and smoothness of surface in a place of component assembly
  • wide range of available types
  • possibility of custom drilling and milling

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Additional products


FK 201 SA-CB FISCHER ELEKTRONIK  
FK 201 SA-CB

Heatsink AL black anodized 45x45x25,4mm 6K/W

Standard Heatsinks

Ord. No.: 20128
Manufacturer: FISCHER ELEKTRONIK
in stock 0 pcs
(03/22/2024: 100 pcs)
2 pcs+
4 pcs+
10 pcs+
50 pcs+
300 pcs+
1,3200 €
1,2700 €
1,1700 €
1,0700 €
0,9850 €
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FK 220 SA-220 FISCHER ELEKTRONIK  
FK 220 SA-220

Heatsink AL black anodized 25x20,5x7mm 25K/W TO220

Standard Heatsinks

Ord. No.: 20125
Manufacturer: FISCHER ELEKTRONIK
5 pcs+
10 pcs+
50 pcs+
200 pcs+
800 pcs+
0,4670 €
0,4510 €
0,4020 €
0,3720 €
0,3480 €
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FK 222 SA-220 (FK222/220/SA) FISCHER ELEKTRONIK  
FK 222 SA-220 (FK222/220/SA)

Heatsink AL black anodized 25,4x30x12,7mm 20K/W TO220

Standard Heatsinks

Ord. No.: 20123
Manufacturer: FISCHER ELEKTRONIK
in stock 40 pcs
5 pcs+
10 pcs+
20 pcs+
200 pcs+
800 pcs+
0,5440 €
0,5260 €
0,5090 €
0,4350 €
0,3970 €
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FK 237 SA220 H FISCHER ELEKTRONIK  
FK 237 SA220 H

Heatsink AL black anodized 14,5x19x12,7mm 21K/W TO220

Standard Heatsinks

Ord. No.: 5575
Manufacturer: FISCHER ELEKTRONIK
2 pcs+
4 pcs+
20 pcs+
50 pcs+
350 pcs+
1,2400 €
1,1900 €
1,0600 €
1,0000 €
0,8980 €
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ICK LED R 32X14 FISCHER ELEKTRONIK  
ICK LED R 32X14

Heatsink for Power LED, BK anodized 15,23K/W

Other Heatsinks

Ord. No.: 81092
Manufacturer: FISCHER ELEKTRONIK
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744770115 WÜRTH ELEKTRONIK  
744770115

Inductor 15uH 5A 27mOhm SMD 12x12mm

Coils

Ord. No.: 91098
Manufacturer: WÜRTH ELEKTRONIK
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ICK LED R 50,8X16,5 FISCHER ELEKTRONIK  
ICK LED R 50,8X16,5

Heatsink for Power LED black anodized 10,17K/W

Other Heatsinks

Ord. No.: 67960
Manufacturer: FISCHER ELEKTRONIK
in stock 4 pcs
1 pcs+
2 pcs+
10 pcs+
50 pcs+
8,42 €
7,83 €
7,18 €
6,51 €
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SK 03 100 SA-CB FISCHER ELEKTRONIK  
SK 03 100 SA-CB

Heatsink AL black anodized 120x32x100mm 1,8K/W

Standard Heatsinks

Ord. No.: 3017
Manufacturer: FISCHER ELEKTRONIK
1 pcs+
2 pcs+
10 pcs+
50 pcs+
7,33 €
6,82 €
6,25 €
5,79 €
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SK 08 37,5 AL FISCHER ELEKTRONIK  
SK 08 37,5 AL

Heatsink AL 88x35x37,5mm 1,5K/W

Standard Heatsinks

Ord. No.: 8320
Manufacturer: FISCHER ELEKTRONIK
1 pcs+
5 pcs+
20 pcs+
120 pcs+
3,27 €
2,91 €
2,69 €
2,48 €
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SK 08 50 SA-CB FISCHER ELEKTRONIK  
SK 08 50 SA-CB

Heatsink AL black anodized for TO3 88x35x50mm 2,3K/W

Standard Heatsinks

Ord. No.: 8020
Manufacturer: FISCHER ELEKTRONIK
in stock 3 pcs
1 pcs+
2 pcs+
10 pcs+
70 pcs+
5,63 €
5,45 €
4,78 €
4,38 €
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SK 09 37,5 SA-K FISCHER ELEKTRONIK  
SK 09 37,5 SA-K

Heatsink AL black anodized 29x11,5x37,5mm 11,7K/W

Standard Heatsinks

Ord. No.: 20130
Manufacturer: FISCHER ELEKTRONIK
in stock 0 pcs
(03/22/2024: 50 pcs)
(We are checking the delivery date: 50 pcs)
1 pcs+
2 pcs+
10 pcs+
50 pcs+
250 pcs+
1,99 €
1,71 €
1,53 €
1,40 €
1,27 €
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SK 104 25,4 LS FISCHER ELEKTRONIK  
SK 104 25,4 LS

Heatsink AL black anodized 34,9x12,7x25,4mm 14K/W

Standard Heatsinks

Ord. No.: 10009
Manufacturer: FISCHER ELEKTRONIK
in stock 36 pcs
2 pcs+
4 pcs+
10 pcs+
70 pcs+
290 pcs+
1,45 €
1,40 €
1,28 €
1,16 €
1,06 €
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SK 104 25,4 STC FISCHER ELEKTRONIK  
SK 104 25,4 STC

Heatsink AL black anodized 34,9x12,7x25,4mm 14K/W

Standard Heatsinks

Ord. No.: 8011
Manufacturer: FISCHER ELEKTRONIK
1 pcs+
2 pcs+
10 pcs+
50 pcs+
220 pcs+
2,07 €
1,88 €
1,68 €
1,54 €
1,40 €
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SK 104 25,4 STS FISCHER ELEKTRONIK  
SK 104 25,4 STS

Heatsink AL black anodized 34,9x12,7x25,4mm 14K/W

Standard Heatsinks

Ord. No.: 25670
Manufacturer: FISCHER ELEKTRONIK
in stock 6 pcs
1 pcs+
2 pcs+
10 pcs+
50 pcs+
200 pcs+
2,07 €
1,88 €
1,68 €
1,54 €
1,44 €
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SK 104 38,1 LS FISCHER ELEKTRONIK  
SK 104 38,1 LS

Heatsink AL black anodized 34,9x12,7x38,1mm 11K/W

Standard Heatsinks

Ord. No.: 2404
Manufacturer: FISCHER ELEKTRONIK
in stock 3 pcs
1 pcs+
2 pcs+
10 pcs+
60 pcs+
240 pcs+
1,99 €
1,69 €
1,51 €
1,37 €
1,25 €
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SK 104 38,1 STC FISCHER ELEKTRONIK  
SK 104 38,1 STC

Heatsink standard

Standard Heatsinks

Ord. No.: 8012
Manufacturer: FISCHER ELEKTRONIK
in stock 1 pcs
1 pcs+
2 pcs+
10 pcs+
50 pcs+
200 pcs+
2,07 €
2,00 €
1,78 €
1,63 €
1,53 €
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SK 104 50,8 LS FISCHER ELEKTRONIK  
SK 104 50,8 LS

Heatsink AL black anodized 34,9x12,7x50,8mm 9K/W

Standard Heatsinks

Ord. No.: 2403
Manufacturer: FISCHER ELEKTRONIK
in stock 2 pcs
1 pcs+
2 pcs+
10 pcs+
60 pcs+
240 pcs+
1,99 €
1,67 €
1,49 €
1,36 €
1,27 €
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SK 451 84 SA FISCHER ELEKTRONIK  
SK 451 84 SA

Heatsink AL black anodized 50x28x84mm 4K/W

Standard Heatsinks

Ord. No.: 8018
Manufacturer: FISCHER ELEKTRONIK
in stock 0 pcs
(We are checking the delivery date: 5 pcs)
1 pcs+
10 pcs+
20 pcs+
90 pcs+
4,72 €
4,00 €
3,90 €
3,55 €
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SK 459 50 M STS FISCHER ELEKTRONIK  
SK 459 50 M STS

Heatsink standard

Standard Heatsinks

Ord. No.: 52668
Manufacturer: FISCHER ELEKTRONIK
in stock 0 pcs
(We are checking the delivery date: 5 pcs)
1 pcs+
2 pcs+
20 pcs+
80 pcs+
4,81 €
4,66 €
3,97 €
3,72 €
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SK 46 37,5 AL FISCHER ELEKTRONIK  
SK 46 37,5 AL

Heatsink AL for Power LED 51,5x51x37,5mm 1,9K/W

Other Heatsinks

Ord. No.: 81108
Manufacturer: FISCHER ELEKTRONIK
in stock 5 pcs
1 pcs+
5 pcs+
20 pcs+
120 pcs+
3,32 €
2,95 €
2,73 €
2,51 €
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SK 514 75 AL FISCHER ELEKTRONIK  
SK 514 75 AL

Heatsink AL 30x52x75mm 2,6K/W

Standard Heatsinks

Ord. No.: 52883
Manufacturer: FISCHER ELEKTRONIK
in stock 2 pcs
1 pcs+
5 pcs+
20 pcs+
120 pcs+
3,22 €
2,86 €
2,64 €
2,43 €
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SK 569 37,5 AL FISCHER ELEKTRONIK  
SK 569 37,5 AL

Heatsink AL for Power LED D60x37,5mm 1,8K/W

Other Heatsinks

Ord. No.: 81120
Manufacturer: FISCHER ELEKTRONIK
1 pcs+
2 pcs+
20 pcs+
60 pcs+
5,91 €
5,48 €
4,80 €
4,62 €
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SK 571 37,5 AL FISCHER ELEKTRONIK  
SK 571 37,5 AL

Heatsink AL for Power LED D70x37,5mm 1,7K/W

Other Heatsinks

Ord. No.: 81129
Manufacturer: FISCHER ELEKTRONIK
in stock 5 pcs
1 pcs+
2 pcs+
10 pcs+
50 pcs+
7,19 €
6,68 €
6,12 €
5,68 €
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SK 64 37,5 AL FISCHER ELEKTRONIK  
SK 64 37,5 AL

Heatsink AL 70x25x37,5mm 4,1K/W

Standard Heatsinks

Ord. No.: 6984
Manufacturer: FISCHER ELEKTRONIK
in stock 68 pcs
1 pcs+
2 pcs+
10 pcs+
60 pcs+
220 pcs+
2,01 €
1,83 €
1,63 €
1,46 €
1,40 €
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SK 64 37,5 SA FISCHER ELEKTRONIK  
SK 64 37,5 SA

Heatsink AL black anodized 70x25x37,5mm 4,1K/W

Standard Heatsinks

Ord. No.: 8017
Manufacturer: FISCHER ELEKTRONIK
in stock 6 pcs
1 pcs+
10 pcs+
30 pcs+
120 pcs+
3,49 €
2,95 €
2,83 €
2,58 €
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SK 65 37,5 SA FISCHER ELEKTRONIK  
SK 65 37,5 SA

Heatsink AL black anodized 54x22,5x37,5mm 5,5K/W

Standard Heatsinks

Ord. No.: 20136
Manufacturer: FISCHER ELEKTRONIK
in stock 6 pcs
1 pcs+
5 pcs+
20 pcs+
160 pcs+
2,64 €
2,35 €
2,17 €
1,93 €
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SK 68 50 SA FISCHER ELEKTRONIK  
SK 68 50 SA

Heatsink AL black anodized 46x33x50mm 5K/W

Standard Heatsinks

Ord. No.: 8019
Manufacturer: FISCHER ELEKTRONIK
in stock 3 pcs
1 pcs+
5 pcs+
20 pcs+
100 pcs+
4,01 €
3,57 €
3,30 €
3,07 €
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SK 75 37,5 SA-220 (SK75/37,5/TO220) FISCHER ELEKTRONIK  
SK 75 37,5 SA-220 (SK75/37,5/TO220)

Heatsink AL black anodized 32x14x37,5mm 10K/W

Standard Heatsinks

Ord. No.: 8016
Manufacturer: FISCHER ELEKTRONIK
in stock 0 pcs
(03/22/2024: 100 pcs)
2 pcs+
4 pcs+
10 pcs+
50 pcs+
300 pcs+
1,45 €
1,40 €
1,28 €
1,18 €
1,06 €
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SK 95 25 TO 220 FISCHER ELEKTRONIK  
SK 95 25 TO 220

Heatsink standard AL 12.6x25mm

Standard Heatsinks

Ord. No.: 64497
Manufacturer: FISCHER ELEKTRONIK
3 pcs+
6 pcs+
20 pcs+
100 pcs+
500 pcs+
0,8300 €
0,8020 €
0,7280 €
0,6670 €
0,6040 €
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THF 104 FISCHER ELEKTRONIK  
THF 104

Retaining Spring Stainless Steel for transistors

Standard Heatsinks

Ord. No.: 8014
Manufacturer: FISCHER ELEKTRONIK
in stock 0 pcs
20 pcs+
40 pcs+
100 pcs+
500 pcs+
3500 pcs+
0,1270 €
0,1230 €
0,1130 €
0,1030 €
0,0922 €
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THFU 2 FISCHER ELEKTRONIK  
THFU 2

Retaining Spring Stainless Steel for transistors

Standard Heatsinks

Ord. No.: 52944
Manufacturer: FISCHER ELEKTRONIK
in stock 1800 pcs
20 pcs+
40 pcs+
100 pcs+
500 pcs+
3000 pcs+
0,1400 €
0,1350 €
0,1240 €
0,1140 €
0,1030 €
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WLFT 404 D 32 FISCHER ELEKTRONIK  
WLFT 404 D 32

Thermally conduc.foil both sides adhesive D 32

Accessories for Heatsink

Ord. No.: 81141
Manufacturer: FISCHER ELEKTRONIK
in stock 10 pcs
1 pcs+
5 pcs+
20 pcs+
140 pcs+
2,76 €
2,45 €
2,26 €
2,07 €
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WLFT 404 D 40 FISCHER ELEKTRONIK  
WLFT 404 D 40

Thermally conduc.foil both sides adhesive D 40

Accessories for Heatsink

Ord. No.: 81145
Manufacturer: FISCHER ELEKTRONIK
100 pcs+
2,55 €
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WLFT 404 D 50 FISCHER ELEKTRONIK  
WLFT 404 D 50

Thermally conduc.foil both sides adhesive D 50

Accessories for Heatsink

Ord. No.: 81147
Manufacturer: FISCHER ELEKTRONIK
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WLK 10 FISCHER ELEKTRONIK  
WLK 10

Thermally conductive glue, electrically not conductive 10g

Accessories for Heatsink

Ord. No.: 8606
Manufacturer: FISCHER ELEKTRONIK
in stock 1 pcs
(We are checking the delivery date: 1 pcs)
1 pcs+
2 pcs+
14 pcs+
25,50 €
24,30 €
21,80 €
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WLK 5 FISCHER ELEKTRONIK  
WLK 5

Thermally conductive glue, electrically not conductive 5g

Accessories for Heatsink

Ord. No.: 80902
Manufacturer: FISCHER ELEKTRONIK
in stock 1 pcs
1 pcs+
5 pcs+
20 pcs+
17,60 €
16,20 €
15,20 €
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LA HL 1 150 AL FISCHER ELEKTRONIK  
LA HL 1 150 AL

Cooling for axial fan 115x129x150mm 0,1K/W

Other Heatsinks

Ord. No.: 79602
Manufacturer: FISCHER ELEKTRONIK
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SK 100 100 SA FISCHER ELEKTRONIK  
SK 100 100 SA

Heatsink standard

Standard Heatsinks

Ord. No.: 53685
Manufacturer: FISCHER ELEKTRONIK
1 pcs+
2 pcs+
10 pcs+
40 pcs+
10,80 €
10,10 €
9,09 €
8,46 €
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SK 579 100 AL FISCHER ELEKTRONIK  
SK 579 100 AL

Heatsink AL for Power LED 320x20mm L=100mm

Other Heatsinks

Ord. No.: 158457
Manufacturer: FISCHER ELEKTRONIK
1 pcs+
5 pcs+
25 pcs+
13,80 €
12,70 €
11,70 €
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IB 1 FISCHER ELEKTRONIK  
IB 1

Heatsink Accessory - Insulating Bush TO3 Hole 3,9mm +250°C

Accessories for Heatsink

Ord. No.: 13289
Manufacturer: FISCHER ELEKTRONIK
1000 pcs+
3000 pcs+
12000 pcs+
0,0291 €
0,0273 €
0,0255 €
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IB 14 FISCHER ELEKTRONIK  
IB 14

Heatsink Accessory - Insulating Bush TO3 Hole 3,9mm +250°C

Accessories for Heatsink

Ord. No.: 22518
Manufacturer: FISCHER ELEKTRONIK
in stock 380 pcs
20 pcs+
40 pcs+
200 pcs+
1000 pcs+
6000 pcs+
0,0895 €
0,0731 €
0,0649 €
0,0595 €
0,0535 €
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IB 4 FISCHER ELEKTRONIK  
IB 4

Heatsink Accessory - Insulating Bush TO126 Hole 3,0mm +250°C

Accessories for Heatsink

Ord. No.: 5577
Manufacturer: FISCHER ELEKTRONIK
in stock 800 pcs
100 pcs+
200 pcs+
1000 pcs+
3000 pcs+
11000 pcs+
0,0356 €
0,0344 €
0,0301 €
0,0288 €
0,0271 €
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