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Registration of new users on the Elfa Distrelec website is no longer possible. Until 21 September 2025, customers with an active account are able to make purchases on the Elfa Distrelec website under the existing conditions.From 22 September 2025, making purchases on the Elfa Distrelec website will no longer be possible. This also applies to orders placed through other sales channels, including email.We encourage you to shop on the RS website, where you can find most of the Elfa Distrelec range. Read more

Fischer Elektronik

Thermal Management (80) Connectors (38) Semiconductors (26) Extended Ranges (17) Development Boards & Kits (9) Enclosures (9) Mechanical Components (3) Optoelectronics (1)
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New to us
Heat Sink for D PAK Solderable 37K/W 8x15x6.5mm30443439FK 250 06 LF PAKHeat Sink for D PAK Solderable 37K/W 8x15x6.5mm
PLN 44,10 (Exc. Vat)
1 +44,10
 Fischer Elektronik 15 mm8 mmCopper37 K/WPower_SO_20 ...6.5 mmSolderableWithout----------------------
New to us
Heat Sink Black Anodised 74K/W 8x8x6mm30442418ICK SMD F 8 SAHeat Sink Black Anodised 74K/W 8x8x6mm
PLN 45,20 (Exc. Vat)
1 +45,20
 Fischer Elektronik 8 mm8 mmAluminium74 K/WSMD6 mmBlack AnodisedWithout----------------------
New to us
Heat Sink for D PAK Solderable 28.8K/W 8x15x10mm30435419FK 250 10 LF PAKHeat Sink for D PAK Solderable 28.8K/W 8x15x10mm
PLN 35,70 (Exc. Vat)
1 +35,70
 Fischer Elektronik 15 mm8 mmCopper28.8 K/WPower_SO_20 ...10 mmSolderableWithout----------------------
New to us
Insulating bush Black30465436IB 11Insulating bush Black
PLN 1.130,00 (Exc. Vat)
1 +1.130,00
 Fischer Elektronik -----3.5 mm--Insulating BushingM3 ScrewPolyamide (PA) ...38 kV/mmBlack-10 °C200 °C7.1 mm1 mm-------------
Pin Heat Sink Aluminium Natural 4.7K/W 36.4x36.4x10mm30220835ICKS36X36X10Pin Heat Sink Aluminium Natural 4.7K/W 36.4x36.4x10mm
PLN 56,81 (Exc. Vat)
1 +56,81
10 +55,16
25 +53,55
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Fischer Elektronik 36.4 mm36.4 mmAluminium4.7 K/W-10 mmAluminium NaturalWithout----------------------
Heat Sink Black Anodised 17K/W 28x18.5x15mm17564800FK 234 SA L2Heat Sink Black Anodised 17K/W 28x18.5x15mm
PLN 3,76 (Exc. Vat)
3 +3,76
100 +3,55
250 +3,46
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Fischer Elektronik 18.5 mm28 mmAluminium17 K/WSOT-3215 mmBlack AnodisedWith----------------------
Thermal Gap Pad Green TO-220 1.22W/mK 0.4K/W 18x13x0.3mm17560535WS 220Thermal Gap Pad Green TO-220 1.22W/mK 0.4K/W 18x13x0.3mm
PLN 2,18 (Exc. Vat)
5 +2,18
10 +1,96
50 +1,71
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Fischer Elektronik 13 mm18 mm-0.4 K/W----------60 °C180 °C--GreenSilicone100 %75 Shore AUL 94 V01.22 W/mK10 kV/mmTO-2200.3 mm----
Heat conducting disc Green TO-247 1.22W/mK 0.45K/W 21x17x0.2mm17560523WK 247Heat conducting disc Green TO-247 1.22W/mK 0.45K/W 21x17x0.2mm
PLN 4,59 (Exc. Vat)
1 +4,59
 Fischer Elektronik 17 mm21 mm-0.45 K/W----------60 °C180 °C--GreenSilicone100 %75 Shore AUL 94 V01.22 W/mK10 kV/mmTO-2470.2 mmFibreglass---
Heat Sink Black Anodised 2.15K/W 100x100x40mm17560494SK 92 100 SAHeat Sink Black Anodised 2.15K/W 100x100x40mm
PLN 120,39 (Exc. Vat)
1 +120,39
10 +107,74
25 +95,74
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Fischer Elektronik 100 mm100 mmAluminium2.15 K/W-40 mmBlack AnodisedWithout----------------------
Heat Sink Black Anodised 5.7K/W 100x30x45mm17560460SK 481 100 SAHeat Sink Black Anodised 5.7K/W 100x30x45mm
PLN 47,00 (Exc. Vat)
1 +47,00
 Fischer Elektronik 30 mm100 mmAluminium5.7 K/W-45 mmBlack AnodisedWithout----------------------
Heat Sink Black Anodised 1.5K/W 100x66x40mm17560430SK 100 100 SAHeat Sink Black Anodised 1.5K/W 100x66x40mm
PLN 79,38 (Exc. Vat)
1 +79,38
10 +69,99
25 +62,11
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Fischer Elektronik 66 mm100 mmAluminium1.5 K/W-40 mmBlack AnodisedWithout----------------------
Heat Sink Black Anodised 2.7K/W 100x88x35mm17560423SK 08 100 SAHeat Sink Black Anodised 2.7K/W 100x88x35mm
PLN 87,45 (Exc. Vat)
1 +87,45
10 +81,07
25 +75,83
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Fischer Elektronik 88 mm100 mmAluminium2.7 K/W-35 mmBlack AnodisedWithout----------------------
Assembly set TO-317560282MST 3Assembly set TO-3
PLN 7,75 (Exc. Vat)
3 +7,75
100 +7,30
250 +7,06
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Fischer Elektronik --------Mounting KitFor Housing TO-3 ...Polysulfone (PSU) ...---70 °C180 °C---------------
Heat Sink Black Anodised 6K/W 45x45x25.4mm17560201FK 201 SA-CBHeat Sink Black Anodised 6K/W 45x45x25.4mm
PLN 13,70 (Exc. Vat)
1 +13,70
10 +13,08
25 +12,26
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Fischer Elektronik 45 mm45 mmAluminium6 K/WSOT-32 ...25.4 mmBlack AnodisedWith----------------------
Aluminium oxide disc17559975AOS 247Aluminium oxide disc
PLN 4,32 (Exc. Vat)
1 +4,32
 Fischer Elektronik ---0.3 K/W-------10 kV/mm---------------TO-2471 mm-
Aluminium oxide disc TO-22017559974AOS 220 SLAluminium oxide disc TO-220
PLN 11,22 (Exc. Vat)
1 +11,22
 Fischer Elektronik ---0.3 K/W-------10 kV/mm---------------TO-2204.5 mm3.5 mm
Aluminium oxide disc TO-218 / TO-24717559972AOS 218/247Aluminium oxide disc TO-218 / TO-247
PLN 7,75 (Exc. Vat)
3 +7,75
100 +7,13
250 +6,71
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Fischer Elektronik ---0.3 K/W-------10 kV/mm---------------TO-2183 mm4 mm
Heat Sink Black Anodised 7K/W 38.1x45x12.7mm17559644SK 409 38,1 STSHeat Sink Black Anodised 7K/W 38.1x45x12.7mm
PLN 17,94 (Exc. Vat)
1 +17,94
 Fischer Elektronik 45 mm38.1 mmAluminium7 K/WTO-220 ...12.7 mmBlack AnodisedWith----------------------
Heat Sink Black Anodised 8.2K/W 25.4x45x12.7mm17559636SK 409 25,4 STSHeat Sink Black Anodised 8.2K/W 25.4x45x12.7mm
PLN 23,69 (Exc. Vat)
1 +23,69
 Fischer Elektronik 45 mm25.4 mmAluminium8.2 K/WTO-220 ...12.7 mmBlack AnodisedWith----------------------
Heat Sink Black Anodised 6.5K/W 37.5x34.5x12.7mm17559552SK 126 37,5 TO220Heat Sink Black Anodised 6.5K/W 37.5x34.5x12.7mm
PLN 22,25 (Exc. Vat)
1 +22,25
 Fischer Elektronik 34.5 mm37.5 mmAluminium6.5 K/WTO-218 ...12.7 mmBlack AnodisedWith----------------------
Heat Sink Black Anodised 3.4K/W 37.5x100x15mm17559388SK 81 37,5 SAHeat Sink Black Anodised 3.4K/W 37.5x100x15mm
PLN 26,75 (Exc. Vat)
1 +26,75
 Fischer Elektronik 100 mm37.5 mmAluminium3.4 K/W-15 mmBlack AnodisedWithout----------------------
Heat Sink Black Anodised 0.45K/W 75x300x40mm17559263SK 56 75 SAHeat Sink Black Anodised 0.45K/W 75x300x40mm
PLN 273,00 (Exc. Vat)
1 +273,00
5 +260,00
10 +252,00
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Fischer Elektronik 300 mm75 mmAluminium0.45 K/W-40 mmBlack AnodisedWithout----------------------
Heat Sink Black Anodised 0.85K/W 75x200x40mm17559222SK 47 75 SAHeat Sink Black Anodised 0.85K/W 75x200x40mm
PLN 121,17 (Exc. Vat)
1 +121,17
10 +117,64
25 +114,21
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Fischer Elektronik 200 mm75 mmAluminium0.85 K/W-40 mmBlack AnodisedWithout----------------------
Heat Sink Black Anodised 1.7K/W 100x159x15mm17559198SK 44 100 SAHeat Sink Black Anodised 1.7K/W 100x159x15mm
PLN 82,03 (Exc. Vat)
1 +82,03
10 +75,32
25 +72,21
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Fischer Elektronik 159 mm100 mmAluminium1.7 K/W-15 mmBlack AnodisedWithout----------------------
Heat Sink Solderable 18.4K/W 27x20x13mm17558638FK 243 MI 247 OHeat Sink Solderable 18.4K/W 27x20x13mm
PLN 15,35 (Exc. Vat)
1 +15,35
 Fischer Elektronik 20 mm27 mmCopper18.4 K/WTO-218 ...13 mmSolderableWith----------------------