Natural Convection Heat Sinks:

107 Products Found
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Thermal Resistance
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External Width - Metric
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External Width - Imperial
External Height - Imperial
External Length - Imperial
External Diameter - Imperial
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Packaging
Filter(s) Applied
1 Filter(s) Selected
ComparePrice ForQuantity
4302497

RoHS

Each
1+
$2.930
($3.3695)
10+
$2.840
($3.266)
25+
$2.660
($3.059)
50+
$2.530
($2.9095)
100+
$2.420
($2.783)
Min: 1 / Mult: 1
19°C/W
TO-218, TO-229, TO-247, TO-248
20mm
9mm
27mm
-
Copper
0.79"
0.35"
1.06"
-
-
4302503

RoHS

Each
1+
$2.950
($3.3925)
10+
$2.860
($3.289)
25+
$2.670
($3.0705)
50+
$2.540
($2.921)
100+
$2.420
($2.783)
Min: 1 / Mult: 1
18.4°C/W
TO-218, TO-229, TO-247, TO-248
20mm
9mm
28mm
-
Copper
0.79"
0.35"
1.1"
-
-
4302461

RoHS

Each
1+
$3.340
($3.841)
10+
$3.230
($3.7145)
25+
$3.010
($3.4615)
50+
$2.860
($3.289)
100+
$2.730
($3.1395)
Min: 1 / Mult: 1
20.5°C/W
TO-218, TO-229, TO-247, TO-248
20mm
9mm
27mm
-
Copper
0.79"
0.35"
1.06"
-
-
1892348

RoHS

Each
1+
$1.470
($1.6905)
10+
$1.440
($1.656)
25+
$1.380
($1.587)
50+
$1.330
($1.5295)
100+
$1.250
($1.4375)
Min: 1 / Mult: 1
63°C/W
TO-5
-
9mm
-
12.7mm
Aluminium
-
0.35"
-
0.5"
-
1373295

RoHS

Each
1+
$3.470
($3.9905)
10+
$3.360
($3.864)
25+
$3.140
($3.611)
50+
$2.990
($3.4385)
100+
$2.840
($3.266)
Min: 1 / Mult: 1
9.51°C/W
BGA
28mm
9mm
28mm
-
Aluminium
1.1"
0.35"
1.1"
-
-
2084426

RoHS

Each
1+
$5.260
($6.049)
10+
$4.610
($5.3015)
25+
$4.520
($5.198)
50+
$4.440
($5.106)
100+
$4.340
($4.991)
Min: 1 / Mult: 1
24.5°C/W
BGA
21mm
9mm
21mm
-
Aluminium
0.83"
0.35"
0.83"
-
-
4573478

RoHS

Each
1+
$2.590
($2.9785)
10+
$2.510
($2.8865)
Min: 1 / Mult: 1
23.6K/W
TO-220
13mm
9mm
0
-
Copper
0.51"
0.35"
1.18"
-
FK 260 Series
3912337

RoHS

Each
1+
$15.130
($17.3995)
3+
$11.660
($13.409)
10+
$9.640
($11.086)
25+
$8.760
($10.074)
100+
$7.940
($9.131)
Min: 1 / Mult: 1
-
-
40mm
9mm
40mm
-
Aluminium Alloy
1.57"
0.35"
1.57"
-
-
3912335

RoHS

Each
1+
$14.810
($17.0315)
3+
$11.450
($13.1675)
10+
$9.450
($10.8675)
25+
$8.570
($9.8555)
100+
$7.770
($8.9355)
Min: 1 / Mult: 1
-
-
35mm
9mm
35mm
-
Aluminium Alloy
1.38"
0.35"
1.38"
-
-
4573497

RoHS

Each
1+
$2.150
($2.4725)
10+
$1.870
($2.1505)
25+
$1.840
($2.116)
50+
$1.810
($2.0815)
100+
$1.770
($2.0355)
Min: 1 / Mult: 1
22.2K/W
TO-220
13mm
9mm
26mm
-
Copper
0.51"
0.35"
1.02"
-
FK 266 Series
4573600

RoHS

Each
1+
$3.220
($3.703)
10+
$2.810
($3.2315)
25+
$2.760
($3.174)
50+
$2.700
($3.105)
100+
$2.650
($3.0475)
Min: 1 / Mult: 1
18.9K/W
TO-248
23mm
9mm
26mm
-
Copper
0.91"
0.35"
1.02"
-
FK 277 Series
4573606

RoHS

Each
1+
$3.820
($4.393)
10+
$3.340
($3.841)
25+
$3.270
($3.7605)
50+
$3.200
($3.680)
100+
$3.140
($3.611)
Min: 1 / Mult: 1
18.9K/W
SIP
23mm
9mm
31mm
-
Copper
0.91"
0.35"
1.22"
-
FK 278 Series
4573624

RoHS

Each
1+
$4.070
($4.6805)
10+
$3.550
($4.0825)
25+
$3.490
($4.0135)
50+
$3.410
($3.9215)
100+
$3.350
($3.8525)
Min: 1 / Mult: 1
18.3K/W
TO-218
23mm
9mm
36mm
-
Copper
0.91"
0.35"
1.42"
-
FK 279 Series
4573418

RoHS

Each
1+
$2.140
($2.461)
10+
$1.890
($2.1735)
Min: 1 / Mult: 1
20.2K/W
TO-247
20mm
9mm
27mm
-
Copper
0.79"
0.35"
1.06"
-
FK 245 Series
4573529

RoHS

Each
1+
$3.580
($4.117)
10+
$3.130
($3.5995)
25+
$3.070
($3.5305)
50+
$3.010
($3.4615)
100+
$2.940
($3.381)
Min: 1 / Mult: 1
19.9K/W
TO-248
23mm
9mm
31mm
-
Copper
0.91"
0.35"
1.22"
-
FK 272 Series
4573610

RoHS

Each
1+
$3.520
($4.048)
10+
$3.070
($3.5305)
25+
$3.020
($3.473)
50+
$2.950
($3.3925)
100+
$2.900
($3.335)
Min: 1 / Mult: 1
18.6K/W
SIP
23mm
9mm
31mm
-
Copper
0.91"
0.35"
1.22"
-
FK 278 Series
4573630

RoHS

Each
1+
$4.040
($4.646)
10+
$3.530
($4.0595)
25+
$3.470
($3.9905)
50+
$3.400
($3.910)
100+
$3.320
($3.818)
Min: 1 / Mult: 1
17.8K/W
TO-247
23mm
9mm
40mm
-
Copper
0.91"
0.35"
1.57"
-
FK 279 Series
4573598

RoHS

Each
1+
$3.220
($3.703)
10+
$2.810
($3.2315)
25+
$2.760
($3.174)
50+
$2.700
($3.105)
100+
$2.650
($3.0475)
Min: 1 / Mult: 1
18.9K/W
TO-218
23mm
9mm
26mm
-
Copper
0.91"
0.35"
1.02"
-
FK 277 Series
4573540

RoHS

Each
1+
$3.780
($4.347)
10+
$3.300
($3.795)
25+
$3.240
($3.726)
50+
$3.170
($3.6455)
100+
$3.110
($3.5765)
Min: 1 / Mult: 1
19.6K/W
TO-218
23mm
9mm
36mm
-
Copper
0.91"
0.35"
1.42"
-
FK 273 Series
4573619

RoHS

Each
1+
$4.360
($5.014)
10+
$3.820
($4.393)
25+
$3.740
($4.301)
50+
$3.660
($4.209)
100+
$3.590
($4.1285)
Min: 1 / Mult: 1
18.6K/W
SIP
23mm
9mm
36mm
-
Copper
0.91"
0.35"
1.42"
-
FK 279 Series
4573533

RoHS

Each
1+
$3.220
($3.703)
10+
$2.810
($3.2315)
25+
$2.760
($3.174)
50+
$2.700
($3.105)
100+
$2.650
($3.0475)
Min: 1 / Mult: 1
19.6K/W
TO-248
23mm
9mm
31mm
-
Copper
0.91"
0.35"
1.22"
-
FK 272 Series
4573416

RoHS

Each
1+
$2.140
($2.461)
10+
$1.890
($2.1735)
Min: 1 / Mult: 1
20.2K/W
TO-218
20mm
9mm
27mm
-
Copper
0.79"
0.35"
1.06"
-
FK 245 Series
4573593

RoHS

Each
1+
$3.580
($4.117)
10+
$3.130
($3.5995)
25+
$3.070
($3.5305)
50+
$3.010
($3.4615)
100+
$2.940
($3.381)
Min: 1 / Mult: 1
19.2K/W
TO-218
23mm
9mm
26mm
-
Copper
0.91"
0.35"
1.02"
-
FK 277 Series
4573617

RoHS

Each
1+
$3.510
($4.0365)
10+
$3.060
($3.519)
25+
$3.010
($3.4615)
50+
$2.940
($3.381)
100+
$2.890
($3.3235)
Min: 1 / Mult: 1
18.1K/W
TO-247
23mm
9mm
35mm
-
Copper
0.91"
0.35"
1.38"
-
FK 278 Series
4573539

RoHS

Each
1+
$3.780
($4.347)
10+
$3.300
($3.795)
25+
$3.240
($3.726)
50+
$3.170
($3.6455)
100+
$3.110
($3.5765)
Min: 1 / Mult: 1
19.6K/W
SIP
23mm
9mm
36mm
-
Copper
0.91"
0.35"
1.42"
-
FK 273 Series
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