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Natural Convection Heat Sinks :

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Thermal Resistance
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External Width - Metric
External Height - Metric
External Length - Metric
Heat Sink Material
External Width - Imperial
External Height - Imperial
External Length - Imperial
Product Range
FK 247 220 MI TO 220
FISCHER ELEKTRONIK FK 247 220 MI TO 220
4573427

Data Sheet

RoHS

FISCHER ELEKTRONIK
  1. Heat Sink
  2. 22 K/W
  3. TO-220
  4. 16.8 mm
  5. 7.9 mm
  6. 28 mm
Each
1+ S$1.920(S$2.0928)
10+ S$1.680(S$1.8312)
25+ S$1.390(S$1.5151)
50+ S$1.370(S$1.4933)
100+ S$1.340(S$1.4606)
22K/W
TO-220
16.8mm
7.9mm
28mm
Aluminium
0.66"
0.31"
1.1"
FK 247 Series
ICK SMD E 15 SA
FISCHER ELEKTRONIK ICK SMD E 15 SA
4306557

Data Sheet

RoHS

FISCHER ELEKTRONIK
  1. Heat Sink
  2. Square
  3. PCB
  4. For SMD Packages
  5. 27 °C/W
  6. DIP
  7. PLCC
  8. SMD
  9. 15.3 mm
  10. 8 mm
  11. 15.3 mm
Each
1+ S$3.180(S$3.4662)
10+ S$2.780(S$3.0302)
25+ S$2.730(S$2.9757)
50+ S$2.670(S$2.9103)
100+ S$2.620(S$2.8558)
27°C/W
DIP, PLCC, SMD
15.3mm
8mm
15.3mm
Aluminium
0.6"
0.31"
0.6"
-
ICK PLCC 28
FISCHER ELEKTRONIK ICK PLCC 28
4302400

Data Sheet

RoHS

FISCHER ELEKTRONIK
  1. Heat Sink
  2. For PLCC
  3. 25 °C/W
  4. PLCC
  5. 11.8 mm
  6. 8 mm
  7. 11.8 mm
Each
1+ S$1.770(S$1.9293)
10+ S$1.550(S$1.6895)
25+ S$1.280(S$1.3952)
50+ S$1.260(S$1.3734)
100+ S$1.230(S$1.3407)
25°C/W
PLCC
11.8mm
8mm
11.8mm
Aluminium
0.46"
0.31"
0.46"
-
ICK SMD E 29 SA
FISCHER ELEKTRONIK ICK SMD E 29 SA
4302321

Data Sheet

RoHS

FISCHER ELEKTRONIK
  1. Heat Sink
  2. 18 °C/W
  3. 29 mm
  4. 8 mm
  5. 29 mm
Each
1+ S$3.900(S$4.251)
10+ S$3.410(S$3.7169)
25+ S$3.350(S$3.6515)
50+ S$3.280(S$3.5752)
100+ S$3.210(S$3.4989)
18°C/W
-
29mm
8mm
29mm
Aluminium
1.14"
0.31"
1.14"
-
SK 470 100 SA
FISCHER ELEKTRONIK SK 470 100 SA
1850031

Data Sheet

RoHS

FISCHER ELEKTRONIK
  1. Heat Sink
  2. Square
  3. PCB
  4. Extruded
  5. LED
  6. 8 °C/W
  7. SOT-32
  8. TO-220
  9. 11.8 mm
  10. 8 mm
  11. 100 mm
Each
1+ S$2.190(S$2.3871)
10+ S$1.910(S$2.0819)
25+ S$1.880(S$2.0492)
50+ S$1.840(S$2.0056)
100+ S$1.800(S$1.962)
8°C/W
SOT-32, TO-220
11.8mm
8mm
100mm
Aluminium
0.46"
0.31"
3.94"
-
FK 247 220 SA TO 220
FISCHER ELEKTRONIK FK 247 220 SA TO 220
4573428

Data Sheet

RoHS

FISCHER ELEKTRONIK
  1. Heat Sink
  2. 22 K/W
  3. TO-220
  4. 16.8 mm
  5. 7.9 mm
  6. 28 mm
Each
1+ S$0.879(S$0.9581)
50+ S$0.769(S$0.8382)
100+ S$0.754(S$0.8219)
250+ S$0.739(S$0.8055)
22K/W
TO-220
16.8mm
7.9mm
28mm
Aluminium
0.66"
0.31"
1.1"
FK 247 Series
FK 210 SA-CB
FISCHER ELEKTRONIK FK 210 SA-CB
4621220

Data Sheet

RoHS

FISCHER ELEKTRONIK
  1. Heat Sink
  2. TO-220/SOT-32
  3. 18 °C/W
  4. SOT-32
  5. TO-220
  6. 25.4 mm
  7. 8 mm
  8. 30 mm
Each
1+ S$2.290(S$2.4961)
10+ S$1.750(S$1.9075)
25+ S$1.500(S$1.635)
50+ S$1.400(S$1.526)
100+ S$1.320(S$1.4388)
18°C/W
SOT-32, TO-220
25.4mm
8mm
30mm
Aluminium
1"
0.31"
1.18"
-
FK 212 SA-CB
FISCHER ELEKTRONIK FK 212 SA-CB
4621232

Data Sheet

RoHS

FISCHER ELEKTRONIK
  1. Heat Sink
  2. TO-220/SOT-32
  3. 18 °C/W
  4. SOT-32
  5. TO-220
  6. 25.4 mm
  7. 8 mm
  8. 30 mm
Each
1+ S$1.010(S$1.1009)
50+ S$0.915(S$0.9974)
100+ S$0.889(S$0.969)
250+ S$0.868(S$0.9461)
18°C/W
SOT-32, TO-220
25.4mm
8mm
30mm
Aluminium
1"
0.31"
1.18"
-
FK 251 08 LF PAK LF PAK (SOT 669)
FISCHER ELEKTRONIK FK 251 08 LF PAK LF PAK (SOT 669)
4573449

Data Sheet

RoHS

FISCHER ELEKTRONIK
  1. Heat Sink
  2. 29.8 K/W
  3. SOT-669 (LF PAK)
  4. 15 mm
  5. 8 mm
  6. 13 mm
Pack of 100
1+ S$153.190(S$166.9771)
5+ S$149.770(S$163.2493)
10+ S$144.350(S$157.3415)
29.8K/W
SOT-669 (LF PAK)
15mm
8mm
13mm
Copper
0.59"
0.31"
0.51"
FK 251 Series
FK 250 08 LF PAK LF PAK (SOT 669)
FISCHER ELEKTRONIK FK 250 08 LF PAK LF PAK (SOT 669)
4573436

Data Sheet

RoHS

FISCHER ELEKTRONIK
  1. Heat Sink
  2. 34.8 K/W
  3. SOT-669 (LF PAK)
  4. 15 mm
  5. 8 mm
  6. 8 mm
Pack of 100
1+ S$129.550(S$141.2095)
5+ S$126.650(S$138.0485)
10+ S$122.070(S$133.0563)
34.8K/W
SOT-669 (LF PAK)
15mm
8mm
8mm
Copper
0.59"
0.31"
0.31"
FK 250 Series
FK 212 CB MI SOT 32
FISCHER ELEKTRONIK FK 212 CB MI SOT 32
4573270

Data Sheet

RoHS

FISCHER ELEKTRONIK
  1. Heat Sink
  2. Solderable
  3. 18 K/W
  4. SOT-32
  5. 25.4 mm
  6. 8 mm
  7. 33 mm
Each
1+ S$1.820(S$1.9838)
10+ S$1.570(S$1.7113)
25+ S$1.490(S$1.6241)
50+ S$1.450(S$1.5805)
100+ S$1.370(S$1.4933)
18°C/W
SOT-32
25.4mm
8mm
33mm
Aluminium
1"
0.31"
1.29"
FK 212 Series
FK 212 CB SA SOT 32
FISCHER ELEKTRONIK FK 212 CB SA SOT 32
4573272

Data Sheet

RoHS

FISCHER ELEKTRONIK
  1. Heat Sink
  2. Anodised Black
  3. 18 K/W
  4. SOT-32
  5. 25.4 mm
  6. 8 mm
  7. 33 mm
Each
1+ S$2.500(S$2.725)
10+ S$1.900(S$2.071)
25+ S$1.650(S$1.7985)
50+ S$1.540(S$1.6786)
100+ S$1.450(S$1.5805)
18°C/W
SOT-32
25.4mm
8mm
33mm
Aluminium
1"
0.31"
1.29"
FK 212 Series
FK 209 SA 32 SOT 32
FISCHER ELEKTRONIK FK 209 SA 32 SOT 32
4573265

Data Sheet

RoHS

FISCHER ELEKTRONIK
  1. Heat Sink
  2. 25 K/W
  3. SOT-32
  4. 25.4 mm
  5. 8 mm
  6. 18 mm
Each
10+ S$0.959(S$1.0453)
50+ S$0.828(S$0.9025)
100+ S$0.785(S$0.8556)
250+ S$0.765(S$0.8338)
25°C/W
SOT-32
25.4mm
8mm
18mm
Aluminium
1"
0.31"
0.7"
FK 209 Series
FK 251 08 LF PAK TR LF PAK (SOT 669)
FISCHER ELEKTRONIK FK 251 08 LF PAK TR LF PAK (SOT 669)
4573451

Data Sheet

RoHS

FISCHER ELEKTRONIK
  1. Heat Sink
  2. 29.8 K/W
  3. SOT-669 (LF PAK)
  4. 15 mm
  5. 8 mm
  6. 13 mm
Reel of 350
Reel
1+ S$524.600(S$571.814)
29.8K/W
SOT-669 (LF PAK)
15mm
8mm
13mm
Copper
0.59"
0.31"
0.51"
FK 251 Series
FK 211 32 SA SOT 32
FISCHER ELEKTRONIK FK 211 32 SA SOT 32
4573269

Data Sheet

RoHS

FISCHER ELEKTRONIK
  1. Heat Sink
  2. Anodised Black
  3. 25 K/W
  4. SOT-32
  5. 25.4 mm
  6. 8 mm
  7. 21 mm
Each
10+ S$0.959(S$1.0453)
50+ S$0.828(S$0.9025)
100+ S$0.785(S$0.8556)
250+ S$0.765(S$0.8338)
25°C/W
SOT-32
25.4mm
8mm
21mm
Aluminium
1"
0.31"
0.83"
FK 211 Series
FK 211 32 MI SOT 32
FISCHER ELEKTRONIK FK 211 32 MI SOT 32
4573268

Data Sheet

RoHS

FISCHER ELEKTRONIK
  1. Heat Sink
  2. Solderable
  3. 25 K/W
  4. SOT-32
  5. 25.4 mm
  6. 8 mm
  7. 21 mm
Each
1+ S$1.640(S$1.7876)
10+ S$1.430(S$1.5587)
25+ S$1.410(S$1.5369)
50+ S$1.380(S$1.5042)
100+ S$1.350(S$1.4715)
25°C/W
SOT-32
25.4mm
8mm
21mm
Aluminium
1"
0.31"
0.83"
FK 211 Series
FK 250 08 LF PAK TR LF PAK (SOT 669)
FISCHER ELEKTRONIK FK 250 08 LF PAK TR LF PAK (SOT 669)
4573438

Data Sheet

RoHS

FISCHER ELEKTRONIK
  1. Heat Sink
  2. 34.8 K/W
  3. SOT-669 (LF PAK)
  4. 15 mm
  5. 8 mm
  6. 8 mm
Reel of 450
Reel
1+ S$587.540(S$640.4186)
34.8K/W
SOT-669 (LF PAK)
15mm
8mm
8mm
Copper
0.59"
0.31"
0.31"
FK 250 Series
KK 562 GS TO 5
FISCHER ELEKTRONIK KK 562 GS TO 5
4573689

Data Sheet

RoHS

FISCHER ELEKTRONIK
  1. Heat Sink
  2. Blackened
  3. 60 K/W
  4. TO-5
  5. 19 mm
  6. 8 mm
  7. 19 mm
Each
10+ S$0.377(S$0.4109)
50+ S$0.325(S$0.3542)
100+ S$0.308(S$0.3357)
500+ S$0.301(S$0.3281)
60K/W
TO-5
19mm
8mm
19mm
Bronze
0.75"
0.31"
0.75"
KK 562 GS Series
FK 210 SA CB SOT 32
FISCHER ELEKTRONIK FK 210 SA CB SOT 32
4573266

Data Sheet

RoHS

FISCHER ELEKTRONIK
  1. Heat Sink
  2. 18 K/W
  3. SOT-32
  4. 25.4 mm
  5. 8 mm
  6. 30 mm
Each
1+ S$2.470(S$2.6923)
10+ S$1.880(S$2.0492)
25+ S$1.630(S$1.7767)
50+ S$1.520(S$1.6568)
100+ S$1.430(S$1.5587)
18°C/W
SOT-32
25.4mm
8mm
0
Aluminium
1"
0.31"
1.18"
FK 210 Series
SKK 58 TO 5
FISCHER ELEKTRONIK SKK 58 TO 5
4573695

Data Sheet

RoHS

FISCHER ELEKTRONIK
  1. Heat Sink
  2. 55 K/W
  3. TO-5
  4. 12.7 mm
  5. 8 mm
  6. 12.7 mm
Pack of 100
10+ S$0.769(S$0.8382)
50+ S$0.665(S$0.7248)
100+ S$0.630(S$0.6867)
250+ S$0.614(S$0.6693)
55K/W
TO-5
12.7mm
8mm
12.7mm
Aluminium
0.5"
0.31"
0.5"
SKK 58 Series
FK 251 08 LF PAK SOT 669 (LF PAK)
FISCHER ELEKTRONIK FK 251 08 LF PAK SOT 669 (LF PAK)
4573450

Data Sheet

RoHS

FISCHER ELEKTRONIK
  1. Heat Sink
  2. 29.8 K/W
  3. SOT-669 (LF PAK)
  4. 15 mm
  5. 8 mm
  6. 13 mm
Pack of 100
1+ S$1.620(S$1.7658)
10+ S$1.470(S$1.6023)
25+ S$1.430(S$1.5587)
50+ S$1.390(S$1.5151)
100+ S$1.320(S$1.4388)
29.8K/W
SOT-669 (LF PAK)
15mm
8mm
13mm
Copper
0.59"
0.31"
0.51"
FK 251 Series
FK 250 08 LF PAK SOT 669 (LF PAK)
FISCHER ELEKTRONIK FK 250 08 LF PAK SOT 669 (LF PAK)
4573437

Data Sheet

RoHS

FISCHER ELEKTRONIK
  1. Heat Sink
  2. 34.8 K/W
  3. SOT-669 (LF PAK)
  4. 15 mm
  5. 8 mm
  6. 8 mm
Pack of 100
1+ S$1.370(S$1.4933)
10+ S$1.240(S$1.3516)
25+ S$1.210(S$1.3189)
50+ S$1.180(S$1.2862)
100+ S$1.120(S$1.2208)
34.8K/W
SOT-669 (LF PAK)
15mm
8mm
8mm
Copper
0.59"
0.31"
0.31"
FK 250 Series
FK 212 CB SA TO 220
FISCHER ELEKTRONIK FK 212 CB SA TO 220
4573273

Data Sheet

RoHS

FISCHER ELEKTRONIK
  1. Heat Sink
  2. Anodised Black
  3. 18 K/W
  4. TO-220
  5. 25.4 mm
  6. 8 mm
  7. 33 mm
Each
1+ S$2.400(S$2.616)
10+ S$1.830(S$1.9947)
25+ S$1.580(S$1.7222)
50+ S$1.480(S$1.6132)
100+ S$1.390(S$1.5151)
18°C/W
TO-220
25.4mm
8mm
33mm
Aluminium
1"
0.31"
1.29"
FK 212 Series
FK 210 SA CB TO 220
FISCHER ELEKTRONIK FK 210 SA CB TO 220
4573267

Data Sheet

RoHS

FISCHER ELEKTRONIK
  1. Heat Sink
  2. 18 K/W
  3. TO-220
  4. 25.4 mm
  5. 8 mm
  6. 30 mm
Each
1+ S$2.400(S$2.616)
10+ S$1.830(S$1.9947)
25+ S$1.580(S$1.7222)
50+ S$1.480(S$1.6132)
100+ S$1.390(S$1.5151)
18°C/W
TO-220
25.4mm
8mm
0
Aluminium
1"
0.31"
1.18"
FK 210 Series
FK 212 CB MI TO 220
FISCHER ELEKTRONIK FK 212 CB MI TO 220
4573271

Data Sheet

RoHS

FISCHER ELEKTRONIK
  1. Heat Sink
  2. Solderable
  3. 18 K/W
  4. TO-220
  5. 25.4 mm
  6. 8 mm
  7. 33 mm
Each
1+ S$1.760(S$1.9184)
10+ S$1.540(S$1.6786)
25+ S$1.510(S$1.6459)
50+ S$1.480(S$1.6132)
100+ S$1.450(S$1.5805)
18°C/W
TO-220
25.4mm
8mm
33mm
Aluminium
1"
0.31"
1.29"
FK 212 Series
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