Thermal Extrusions Cut to Length
Aluminum Flatback
• Dimensions: Inches
• Thermal Resistance based on 3 Inch Length in Natural Convection Setting
WKV Part
Number
127697
127747
WKV Part
Number
Description
1.26" x 12" Flatback heatsink extrusion
14240
1.26" x 36" Flatback heatsink extrusion
14240
Description
1.26" x 12" Flatback heatsink extrusion
10979
1.26" x 36" Flatback heatsink extrusion
10979
127698
127748
WKV Part
Number
125295
125296
WKV Part
Number
127699
127749
WKV Part
Number
127700
127750
Description
1.625" Wide x 12" Flatback heatsink
16079 xx2014
1.625" Wide x 36" Flatback heatsink
16079 xx2014
Description
1.845" wide x 12" flatback
heatsink xx7293 16387
1.845" wide x 36" flatback
heatsink xx7293 16387
Thermal
Resistance
Width Height Length °C/w/3
1
1
12
6.4
1
1
36
6.4
Thermal
Resistance
Width Height Length °C/w/3
1.26
1.65
12
4.4
1.26
1.65
36
4.4
Thermal
Resistance
Width Height Length °C/w/3"
1.625 1.312
12
3.2
1.625 1.312
36
3.2
Thermal
Resistance
°C/w/3
Width
Height Length
1.845
1.254
12
3.4
1.845
1.254
36
3.4
Description
2.125" wide x 12" flatback heatsink
14249
2.125" wide x 36" flatback heatsink
14249
Thermal
Resistance
Width Height Length °C/w/3
2.125
1
12
4.4
2.125
1
36
4.4
Thermal Extrusions Cut to Length
Aluminum Flatback
• Dimensions: Inches
• Thermal Resistance based on 3 Inch Length in Natural Convection Setting
WKV Part
Number
127701
127751
Thermal
Resistance
Description
Width Height Length °C/w/3
2.24" wide x 12" Flatback Heatsink 13107 2.24 2.22
12
2.4
2.24" wide x 36" Flatback Heatsink 13107 2.24 2.22
36
2.4
WKV Part
Number
Thermal
Resistance
Height Length °C/w/3
127702
127752
Description
2.25" wide x 12" Flatback Heatsink
6469
2.25" wide x 36" Flatback Heatsink
6469
WKV Part
Number
125301
125302
WKV Part
Number
125313
125314
WKV Part
Number
125319
125320
Description
2.80" Wide x 12" Flatback Heatsink
11201 XX6998
2.80" Wide x 36" Flatback Heatsink
11201 XX6998
Description
2.875" Wide x 12" Flatback heatsink
16078 xx2013
2.875" Wide x 36" Flatback heatsink
16078 xx2013
Width
2.25
1.25
12
3.8
2.25
1.25
36
3.8
Thermal
Resistance
Width Height Length °C/w/3"
2.8
1.25
12
2.9
2.8
1.25
36
2.9
Thermal
Resistance
Width Height Length °C/w/3"
2.875 1.312
12
2.3
2.875 1.312
36
2.3
Thermal
Resistance
Description
Width Height Length °C/w/3"
3" Wide x 12" Flatback Heatsink 9099
3
2
12
1.5
3" Wide x 36" Flatback Heatsink 9099
3
2
36
1.5
Thermal Extrusions Cut to Length
Aluminum Flatback
• Dimensions: Inches
• Thermal Resistance based on 3 Inch Length in Natural Convection Setting
WKV Part
Number
127707
127753
WKV Part
Number
127708
127754
WKV Part
Number
125325
125326
WKV Part
Number
127709
127755
WKV Part
Number
127710
127756
WKV Part
Number
125367
125368
Thermal
Resistance
°C/w/3
Description
Width Height Length
3.65" Wide x 12" Flatback Heatsink
13240
3.65 0.399 12
3.65" Wide x 36" Flatback Heatsink
13240
3.65 0.399 36
3.6
3.6
Thermal
Resistance
Width Height Length °C/w/3
Description
3.66" Wide x 12" Flatback Heatsink xx2019
9797
3.66 0.774
3.66" Wide x 36" Flatback Heatsink xx2019
9797
3.66 0.774
Description
3.79" Wide x 12" Flatback heatsink
16304 xx5079
3.79" Wide x 36" Flatback heatsink
16304 xx5079
12
2.2
36
2.2
Thermal
Resistance
Width Height Length °C/w/3"
3.79
2
12
1.5
3.79
2
36
1.5
Description
4.00" Wide x 12" Flatback
Heatsink 16403
4.00" Wide x 36" Flatback
Heatsink 16403
Description
4.00" Wide x 12" Flatback
Heatsink 16573
4.00" Wide x 36" Flatback
Heatsink 16573
Description
4.125" x 12" Flatback Heatsink 2656
xx5138
4.125" x 36" Flatback Heatsink 2656
xx5138
Thermal
Resistance
Height Length °C/w/3
Width
4
1.395
12
3.4
4
1.395
36
3.4
Width
Thermal
Resistance
Height Length °C/w/3
4
0.75
12
3.7
4
0.75
36
3.7
Thermal
Resistance
Width Height Length °C/w/3"
4.125
1.75
12
1.9
4.125
1.75
36
1.9
Thermal Extrusions Cut to Length
Aluminum Flatback
• Dimensions: Inches
• Thermal Resistance based on 3 Inch Length in Natural Convection Setting
WKV Part
Number
125373
125374
WKV Part
Number
127711
127757
WKV Part
Number
125397
125398
WKV Part
Number
127712
127758
WKV Part
Number
125403
125404
WKV Part
Number
125409
125410
Thermal
Resistance
Width Height Length °C/w/3"
Description
4.375" Wide x 12" Flatback heatsink
16296 xx1527
4.375" Wide x 36" Flatback heatsink
16296 xx1527
Description
4.461" Wide x 12" Flatback
Heatsink 16365
4.461" Wide x 36" Flatback
Heatsink 16365
Description
5.00" Wide x 12" Flatback Heatsink
16338 xx2065
5.00" Wide x 36" Flatback Heatsink
16338 xx2065
Description
5.00" Wide x 12" Flatback Heatsink
16107
5.00" Wide x 36" Flatback Heatsink
16107
4.375
1.29
12
1.4
4.375
1.29
36
1.4
Width
Thermal
Resistance
Height Length °C/w/3
4.461
1.31
12
1.8
4.461
1.31
36
1.8
Thermal
Resistance
Width Height Length °C/w/3"
5
1.75
12
1.6
5
1.75
36
1.6
Thermal
Resistance
Width Height Length °C/w/3
Description
5.375" x 12" Flatback Heatsink 6037
xx5045
5.375" x 36" Flatback Heatsink 6037
xx5045
Description
5.50" x 12" Flatback Heatsink 13760
xx2199
5.50" x 36" Flatback Heatsink 13760
xx2199
5
1.65
12
1.1
5
1.65
36
1.1
Thermal
Resistance
Width Height Length °C/w/3"
5.375
1.312
12
1.8
5.375
1.312
36
1.8
Thermal
Resistance
Width Height Length °C/w/3"
5.5
2
12
1.2
5.5
2
36
1.2
Thermal Extrusions Cut to Length
Aluminum Flatback
• Dimensions: Inches
• Thermal Resistance based on 3 Inch Length in Natural Convection Setting
WKV Part
Number
127713
127759
WKV Part
Number
127714
127760
WKV Part
Number
127715
127761
WKV Part
Number
127716
127762
WKV Part
Number
127717
127763
WKV Part
Number
127718
127764
Thermal
Resistance
Width Height Length °C/w/3
5.53 0.325 12
2.82
5.53 0.325 36
2.82
Description
5.53" x 12" Flatback Heatsink 19810
5.53" x 36" Flatback Heatsink 19810
Thermal
Resistance
Width Height Length °C/w/3
Description
5.748" Wide x 12" Flatback Heatsink
xx8867 19155
5.748 0.905
5.748" Wide x 12" Flatback Heatsink
xx8867 19155
5.748 0.905
Description
5.86" x 12" Flatback Heatsink
14461
5.86" x 36" Flatback Heatsink
14461
Description
5.86" x 12" Flatback Heatsink 19343
5.86" x 36" Flatback Heatsink 19343
Description
6.00" Wide x 12" Flatback Heatsink
12054
6.00" Wide x 36" Flatback Heatsink
12054
Width Height
12
1.57
36
1.57
Thermal
Resistance
Length
°C/w/3
5.86
2
12
1.1
5.86
2
36
1.1
Width
5.86
5.86
Thermal
Resistance
Height Length °C/w/3
1.988 12
0.94
1.988 36
0.94
Width Height Length
Thermal
Resistance
°C/w/3
6
0.124
12
2.8
6
0.124
36
2.8
Thermal
Resistance
Description
Width Height Length °C/w/3
6.00" Wide x 12" Flatback Heatsink 13796
6
1.6
12
1.1
6.00" Wide x 36" Flatback Heatsink 17396
6
1.6
36
1.1
Thermal Extrusions Cut to Length
Aluminum Flatback
• Dimensions: Inches
• Thermal Resistance based on 3 Inch Length in Natural Convection Setting
WKV Part
Number
127719
127765
Description
6.39" Wide x 12" Flatback Heatsink
21848
6.39" Wide x 36" Flatback Heatsink
21848
WKV Part
Number
127720
127766
Width
6.39
0.875
12
1.75
6.39
0.875
36
1.75
Description
6.50" x 12" Flatback Heatsink 16222
6.50" x 36" Flatback Heatsink 16222
WKV Part
Number
127721
127767
WKV Part
Number
125415
125416
WKV Part
Number
125421
125422
Height Length
Thermal
Resistance
°C/w/3
Description
6.50" x 12" Flatback Heatsink xx8403
16499
6.50" x 36" Flatback Heatsink xx8403
16499
Description
6.50" x 12" Flatback Heatsink 6664
xx4509
6.50" x 36" Flatback Heatsink 6664
xx4509
Description
6.624" Wide x 12" Flatback heatsink
16524 xx7031
6.624" Wide x 36" Flatback heatsink
16524 xx7031
Thermal
Resistance
Width Height Length °C/w/3
6.5 2.19
12
1.4
6.5 2.19
36
1.4
Thermal
Resistance
Width Height Length °C/w/3
6.5
0.8
12
2.15
6.5
0.8
36
2.15
Thermal
Resistance
Width Height Length °C/w/3"
6.5
1.6
12
1.3
6.5
1.6
36
1.3
Thermal
Resistance
Width Height Length °C/w/3"
6.624
1.312
12
1.3
6.624
1.312
36
1.3
Thermal Extrusions Cut to Length
Aluminum Flatback
• Dimensions: Inches
• Thermal Resistance based on 3 Inch Length in Natural Convection Setting
Thermal
WKV Part
Resistance
Number
Description
Width Height Length °C/w/3
6.75" Wide x 12" Flatback Heatsink
127722
4955
6.75 1.185 12
1.37
6.75" Wide x 36" Flatback Heatsink
127768
4955
6.75 1.185 36
1.37
WKV Part
Number
127723
127771
WKV Part
Number
127724
127772
WKV Part
Number
122255
125643
WKV Part
Number
122256
125645
WKV Part
Number
127725
127773
Description
6.75" Wide x 12" Flatback Heatsink
xx7029 12116
6.75" Wide x 36" Flatback Heatsink
xx7029 12116
Width
Thermal
Resistance
Height Length
°C/w/3
6.75
1.63
12
1.3
6.75
1.63
36
1.3
Thermal
Resistance
Description
Width Height Length °C/w/3
6.85" Wide x 12" Flatback Heatsink 16335 6.85 1.252 12
1.31
6.85" Wide x 36" Flatback Heatsink 16355 6.85 1.252 36
1.31
Description
Width
6.961" Wide x 12" Flatback Heatsink 13694
xx6274
6.961
6.961" Wide x 36" Flatback Heatsink 13694
xx6274
6.961
Height Length
2.79
12
0.8
2.79
36
0.8
Description
Width Height Length
7.00" Wide x 12" Flatback heatsink 15837
7
2.275
12
7.00" Wide x 36" Flatback heatsink 15837
7
2.275
36
Description
7.00" Wide x 12" Flatback heatsink
19493
7.00" Wide x 36" Flatback heatsink
19493
Thermal
Resistance
°C/w/3"
Thermal
Resistance
°C/w/3"
0.3
0.3
Thermal
Resistance
Width Height Length
°C/w/3
7
0.36
12
2.69
7
0.36
36
2.69
Thermal Extrusions Cut to Length
Aluminum Flatback
• Dimensions: Inches
• Thermal Resistance based on 3 Inch Length in Natural Convection Setting
WKV Part
Number
122256
125645
WKV Part
Number
125512
WKV Part
Number
127726
127774
WKV Part
Number
127727
127775
WKV Part
Number
125430
125431
WKV Part
Number
125601
125602
Description
7.00" Wide x 12" Flatback heatsink
15837
7.00" Wide x 36" Flatback heatsink
15837
Thermal
Resistance
Width Height Length °C/w/3"
7
2.275
12
0.3
7
2.275
36
0.3
Thermal
Resistance
Width Height Length °C/w/3"
Description
7.20" Wide x 36" Flatback heatsink
16316 xx6438-2
7.2
2.41
36
0.9
Thermal
Resistance
Width Height Length °C/w/3
Description
7.201" Wide x 12" Flatback heatsink
12414
7.201
7.201" wide x 36" Flatback heatsink
12414
7.201
0.46
12
1.5
0.46
36
1.5
Thermal
Resistance
Width Height Length °C/w/3
Description
7.34" Wide x 12" Flatback Heatsink
xx5523 14433
7.34 0.875
7.34" Wide x 36" Flatback Heatsink
xx5523 14433
7.34 0.875
Description
7.343" Wide x 12" Flatback Heatsink
13454 xx4771
7.343" Wide x 36" Flatback Heatsink
13454 xx4771
12
1.8
36
1.8
Thermal
Resistance
Width Height Length °C/w/3"
Description
7.574" Wide x 12" Flatback Heatsink
21910
7.574" Wide x 36" Flatback Heatsink
21910
7.343 1.312
12
1.1
7.343 1.312
36
1.1
Thermal
Resistance
Width Height Length °C/w/3"
7.574
3.15
12
0.65
7.574
3.15
36
0.65
Thermal Extrusions Cut to Length
Aluminum Flatback
• Dimensions: Inches
• Thermal Resistance based on 3 Inch Length in Natural Convection Setting
WKV Part
Number
127728
127776
Description
7.875" Wide x 12" Flatback Heatsink
xx2009 16639
7.875" Wide x 12" Flatback Heatsink
xx2009 16639
WKV Part
Number
125436
125437
WKV Part
Number
122263
125657
WKV Part
Number
122260
125651
WKV Part
Number
127684
127777
WKV Part
Number
125520
125521
Thermal
Heig Lengt Resistance
Width ht
h
°C/w/3
1.31
7.875 2
12
1.2
1.31
7.875 2
36
1.2
Description
8.35" Wide x 12" Flatback Heatsink
13668 xx4937
8.35" Wide x 36" Flatback Heatsink
13668 xx4937
Thermal
Resistance
Width Height Length °C/w/3"
Description
8.40" Wide x 12" Flatback heatsink
16681
8.40" Wide x 36" Flatback heatsink
16681
Description
9.24" Wide x 12" Flatback Heatsink
19035
9.24" Wide x 36" Flatback Heatsink
19035
Description
9.333" Wide x 12" Flatback
Heatsink 16386
9.333" Wide x 12" Flatback
Heatsink 16386
8.35
2
12
0.9
8.35
2
36
0.9
Thermal
Resistance
Width Height Length °C/w/3"
8.4
1.4
12
0.65
8.4
1.4
36
0.65
Thermal
Resistance
Width Height Length °C/w/3"
9.24
2.535
12
0.62
9.24
2.535
36
0.62
Width
Thermal
Resistance
Height Length °C/w/3
9.333
0.905
12
1.04
9.333
0.905
36
1.04
Description
9.75" Wide x 12" Flatback heatsink
16473 xx5384
9.75" Wide x 36" Flatback heatsink
16473 xx5384
Thermal
Resistance
Width Height Length °C/w/3"
9.75
2.28
12
0.75
9.75
2.28
36
0.75
Thermal Extrusions Cut to Length
Aluminum Flatback
• Dimensions: Inches
• Thermal Resistance based on 3 Inch Length in Natural Convection Setting
WKV Part
Number
125442
125443
WKV Part
Number
125592
WKV Part
Number
125448
125449
WKV Part
Number
125454
125455
WKV Part
Number
127685
127778
WKV Part
Number
125460
125461
Thermal
Resistance
Width Height Length °C/w/3"
Description
9.875" Wide x 12" Flatback heatsink
16329 xx1703
9.875
9.875" Wide x 36" Flatback heatsink
16329 xx1703
9.875
Description
10" Wide x 12" Flatback heatsink
13953 sf1002
1.31
12
0.91
1.31
36
0.91
Thermal
Resistance
Width Height Length °C/w/3"
10
2.53
12
0.6
Thermal
Resistance
Width Height Length °C/w/3"
Description
10.25" Wide x 12" Flatback heatsink
14236 xx5772
10.25
10.25" Wide x 36" Flatback heatsink
14236 xx5772
10.25
Description
10.50" Wide x 12" Flatback Heatsink
16990 xx2904
10.50" Wide x 36" Flatback Heatsink
16990 xx2904
Description
10.08" Wide x 12" Flatback
heatsink 21052
10.08" Wide x 36" Flatback
heatsink 21052
2.5
12
0.71
2.5
36
0.71
Thermal
Resistance
Width Height Length °C/w/3"
10.5
1.265
12
1.3
10.5
1.265
36
1.3
Width
Thermal
Resistance
Height Length °C/w/3
10.08
2.905
12
0.51
10.08
2.905
36
0.51
Description
10.78" Wide x 12" Flatback Heatsink
xx4559
10.78" Wide x 36" Flatback Heatsink
xx4559
Thermal
Resistance
Width Height Length °C/w/3"
10.78
3.77
12
0.5
10.78
3.77
36
0.5
Thermal Extrusions Cut to Length
Aluminum Flatback
• Dimensions: Inches
• Thermal Resistance based on 3 Inch Length in Natural Convection Setting
WKV Part
Number
125577
125578
WKV Part
Number
122261
125653
WKV Part
Number
127686
127779
WKV Part
Number
127687
127780
WKV Part
Number
125625
125626
WKV Part
Number
125619
125620
Thermal
Resistance
Width Height Length °C/w/3"
Description
10.827" Wide x 12" Flatback Heatsink
19572
10.827 1.221
10.827" Wide x 36" Flatback Heatsink
19572
10.827 1.221
Description
11.00" Wide x 12" Flatback Heatsink
19584
11.00" Wide x 36" Flatback Heatsink
19584
Description
11.420" Wide x 12" Flatback
Heatsink xx10178
11.578" Wide x 36" Flatback
Heatsink xx10178
12
0.83
36
0.83
Thermal
Resistance
Width Height Length °C/w/3"
11
1.375
12
1.43
11
1.375
36
1.43
Thermal
Resistance
Width Height Length °C/w/3
11.42 2.559
12
0.76
11.42 2.559
36
0.76
Thermal
Resistance
Width Height Length °C/w/3
Description
11.578" Wide x 12" Flatback
Heatsink xx82266
11.578 1.32
11.578" Wide x 36" Flatback
Heatsink xx82266
11.578 1.32
12
0.83
36
0.83
Thermal
Resistance
Width Height Length °C/w/3"
Description
11.811" Wide x 12" Flatback Heatsink
19740
11.811 3.287
11.811" Wide x 36" Flatback Heatsink
19740
11.811 3.287
12
0.46
36
0.46
Thermal
Resistance
Width Height Length °C/w/3"
Description
11.875" Wide x 12" Flatback Heatsink
17099
11.875 2.594
11.875" Wide x 36" Flatback Heatsink
17099
11.875 2.594
12
0.4
36
0.4
Thermal Extrusions Cut to Length
Aluminum Flatback
• Dimensions: Inches
• Thermal Resistance based on 3 Inch Length in Natural Convection Setting
WKV Part
Number
127688
127781
WKV Part
Number
122262
125655
WKV Part
Number
125631
125632
WKV Part
Number
125469
125470
WKV Part
Number
125475
125476
WKV Part
Number
125481
125482
Description
12.203" Wide x 12" Flatback
Heatsink 16632
12.203" Wide x 36" Flatback
Heatsink 16632
Thermal
Resistance
Width Height Length °C/w/3
12.203 2.87
12
0.7
12.203 2.87
36
0.7
Description
12.25" Wide x 12" Flatback Heatsink
19152 xx4471
12.25" Wide x 36" Flatback Heatsink
19152 xx4471
Description
12.75" Wide x 12" Flatback Heatsink
xx2170
12.75" Wide x 36" Flatback Heatsink
xx2170
Description
12.75" Wide x 12" Flatback Heatsink
xx2044
12.75" Wide x 36" Flatback Heatsink
xx2044
Thermal
Resistance
Width Height Length °C/w/3"
12.25
1
12
1.3
12.25
1
36
1.3
Thermal
Resistance
Width Height Length °C/w/3"
12.75
1.35
12
0.6
12.75
1.35
36
0.6
Thermal
Resistance
Width Height Length °C/w/3"
12.75
2.25
12
0.56
12.75
2.25
36
0.56
Thermal
Resistance
Width Height Length °C/w/3"
Description
13.381" Wide x 12" Flatback Heatsink
xx5429
13.381 1.312
13.381" Wide x 36" Flatback Heatsink
xx5429
13.381 1.312
Description
19.00" Wide x 36" Flatback Heatsink
xx2016
19.00" Wide x 36" Flatback Heatsink
xx2016
12
0.65
36
0.65
Thermal
Resistance
Width Height Length °C/w/3"
19
1.32
12
0.65
19
1.32
36
0.65
Thermal Extrusions Cut to Length
High Aspect
• Dimensions: Inches
• Thermal Resistance based on 3 Inch Length in Natural Convection Setting
WKV Part
Number
125562
WKV Part
Number
127691
127786
WKV Part
Number
125565
WKV Part
Number
122258
125649
Description
4.429" Wide x 11.81" High Aspect
Heatsink 17080-11.81
Description
Width
6.00" Wide x 12" Long High Aspect
Heatsink 19767
6
6.00" Wide x 36" Long High Aspect
Heatsink 19767
6
Thermal
Resistance
Width Height Length °C/w/3"
4.429 3.276 11.81
0.59
Height
Length
Thermal
Resistance
°C/w/3
2.75
12
0.49
2.75
36
0.49
Thermal
Resistance
Width Height Length °C/w/3"
Description
6.818" Wide x 11.81" High Aspect Heatsink
19333-12
4.429
Description
7.375" Wide x 12" High Aspect Extrusion
15817 xx5113
7.375" Wide x 36" High Aspect Extrusion
15817 xx5113
3.5
12
0.34
Thermal
Resistance
Width Height Length °C/w/3"
7.375 3.136
12
0.68
7.375 3.136
36
0.68
Thermal
WKV Part
Resistance
Number
Description
Width Height Length °C/w/3"
122264 7.55" Wide x 12" High Aspect Extrusion 19832 7.55 2.8
12
0.34
125659 7.55" Wide x 36" High Aspect Extrusion 19832 7.55 2.8
36
0.34
WKV Part
Number
125571
125572
Thermal
Resistance
Width Height Length °C/w/3"
Description
10.08" Wide x 12" High Aspect Extrusion
21052
10.08 2.905
10.08" Wide x 36" High Aspect Extrusion
21052
10.08 2.905
12
0.51
36
0.51
Thermal Extrusions Cut to Length
SCR Press Pack Extrusions
• Dimensions: Inches
• Thermal Resistance based on 3 Inch Length in Natural Convection Setting
WKV Part
Number
125526
125527
WKV Part
Number
125532
125533
WKV Part
Number
125538
125539
WKV Part
Number
125544
125545
WKV Part
Number
125550
125551
Description
5.00" Wide x 12" Presspack SCR Extrusion
16082 xx3560-2
5.00" Wide x 36" Presspack SCR Extrusion
16082 xx3560-2
Description
5.00" Wide x 12" Presspack SCR Extrusion
16565 xx5732
5.00" Wide x 12" Presspack SCR Extrusion
16565 xx5732
Description
7.00" Wide x 12" Presspack SCR Extrusion
16348 xx3559-2
7.00" Wide x 36" Presspack SCR Extrusion
16348 xx3559-2
Description
7.00" Wide x 12" Presspack SCR Extrusion
16235 xx5733
7.00" Wide x 36" Presspack SCR Extrusion
16235 xx5733
Description
9.80" Wide x 12" Presspack SCR Extrusion
xx5735
9.80" Wide x 36" Presspack SCR Extrusion
xx5735
Thermal
Resistance
Width Height Length °C/w/3"
5
2.25
12
1.4
5
2.25
36
1.4
Thermal
Resistance
Width Height Length °C/w/3"
5
2.5
12
1.39
5
2.5
36
1.39
Thermal
Resistance
Width Height Length °C/w/3"
7
3.125
12
0.85
7
3.125
36
0.85
Thermal
Resistance
Width Height Length °C/w/3"
7
3.125
12
0.88
7
3.125
36
0.88
Thermal
Resistance
Width Height Length °C/w/3"
9.8
2.85
12
0.71
9.8
2.85
36
0.71
Thermal Extrusions Cut to Length
Power Modules
• Dimensions: Inches
• Thermal Resistance based on 3 Inch Length in Natural Convection Setting
WKV Part
Number
125556
125557
WKV Part
Number
125391
125392
WKV Part
Number
125379
125380
WKV Part
Number
125385
125386
WKV Part
Number
125613
125614
Description
4.921" Wide x 12" Power Module
Extrusion 13698 xx5658
4.921" Wide x 36" Power Module
Extrusion 13698 xx5658
Description
5.00" Wide x 12" Power Module
Extrusion 19589 xx7331
5.00" Wide x 36" Power Module
Extrusion 19589 xx7331
Description
5.00" Wide x 12" Power Module
Extrusion 16414 xx7332
5.00" Wide x 36" Power Module
Extrusion 16414 xx7332
Description
5.00" Wide x 12" Power Module
Extrusion 16936 xx7330
5.00" Wide x 36" Power Module
Extrusion 16936 xx7330
Description
7.52" Wide x 12" Power Module
Extrusion 17003
7.52" Wide x 36" Power Module
Extrusion 17003
Width
Thermal
Resistance
Height Length °C/w/3"
4.921
4.528
12
0.8
4.921
4.528
36
0.8
Width
Thermal
Resistance
Height Length °C/w/3"
5
1.38
12
3
5
1.38
36
3
Width
Thermal
Resistance
Height Length °C/w/3"
5
1.5
12
2.5
5
1.5
36
2.5
Width
Thermal
Resistance
Height Length °C/w/3"
5
2.5
12
1.7
5
2.5
36
1.7
Width
Thermal
Resistance
Height Length °C/w/3"
7.52
5.3
12
0.65
7.52
5.3
36
0.65
Thermal Extrusions Cut to Length
DC/DC Heat Sink
• Dimensions: Inches
• Thermal Resistance based on 3 Inch Length in Natural Convection Setting
WKV Part
Number
125361
125362
WKV Part
Number
127694
127744
WKV Part
Number
127695
127745
WKV Part
Number
125343
125344
WKV Part
Number
125355
125356
Description
1.45" Wide x 36" DC/DC Heatsink
Extrusion 14363
1.45" Wide x 36" DC/DC Heatsink
Extrusion 14363
Description
1.47" Wide x 12" DC/DC Heatsink
Extrusion 14193
1.47" Wide x 36" DC/DC Heatsink
Extrusion 14913
Description
2.22" Wide x 12" DC/DC Heatsink
Extrusion 14722
2.22" Wide x 36" DC/DC Heatsink
Extrusion 14722
Description
2.22" Wide x 12" DC/DC Heatsink
Extrusion 14192
2.22" Wide x 36" DC/DC Heatsink
Extrusion 14192
Thermal
Resistance
Width Height Length °C/w/3"
1.45 0.768
12
4.2
1.45 0.768
36
4.2
Thermal
Resistance
Width Height Length °C/w/3
1.47
0.91
12
5.4
1.47
0.91
36
5.4
Thermal
Resistance
Width Height Length °C/w/3
2.22
0.41
12
7
2.222 0.41
36
7
Thermal
Resistance
Width Height Length °C/w/3"
2.22
2.53
12
0.6
2.22
2.53
36
0.6
Thermal
Resistance
Width Height Length °C/w/3"
Description
2.28" Wide x 36" DC/DC Heatsink
Extrusion 14362
2.28 0.455
2.28" Wide x 12" DC/DC Heatsink
Extrusion 14362
2.28 0.455
12
4
36
4
Thermal Extrusions Cut to Length
DC/DC Heat Sink
• Dimensions: Inches
• Thermal Resistance based on 3 Inch Length in Natural Convection Setting
WKV Part
Number
125349
125350
WKV Part
Number
125331
125332
Description
2.28" Wide x 12" DC/DC Heatsink
Extrusion 14228
2.28" Wide x 36" DC/DC Heatsink
Extrusion 14228
Description
2.40" Wide x 12" DC/DC Heatsink
Extrusion 12613
2.40" Wide x 36" DC/DC Heatsink
Extrusion 12613
WKV Part
Number
127696
127746
WKV Part
Number
125337
125338
Thermal
Resistance
Width Height Length °C/w/3"
2.28
9.35
12
0.28
2.28
9.35
36
0.28
Thermal
Resistance
Width Height Length °C/w/3"
2.4
0.9
12
4.1
2.4
0.9
36
4.1
Description
4.60" Wide x 12" DC/DC Heatsink
Extrusion 14229
4.60" Wide x 36" DC/DC Heatsink
Extrusion 14229
Description
4.60" Wide x 12" DC/DC Heatsink
Extrusion 12614
4.60" Wide x 36" DC/DC Heatsink
Extrusion 12614
Thermal
Resistance
Width Height Length °C/w/3
4.6
0.93
12
1.9
4.6
0.93
36
1.9
Thermal
Resistance
Width Height Length °C/w/3"
4.6
0.9
12
2.1
4.6
0.9
36
2.1
Thermal Extrusions Cut to Length
H & T Style/Mounting Shelf Heat Sinks
• Dimensions: Inches
• Thermal Resistance based on 3 Inch Length in Natural Convection Setting
WKV Part
Number
127689
127782
WKV Part
Number
127690
127783
WKV Part
Number
125487
125488
WKV Part
Number
125493
125494
WKV Part
Number
125499
125500
Description
3.375" x 12" H Style Heatsink 17086
3.375" x 36" H Style Heatsink 17086
Width
3.75
3.75
Description
4.000" x 12" H Style Heatsink xx4101
16299
4.000" x 36" H Style Heatsink xx4101
16299
Description
4.75" x 12" H Style Heatsink 4530
xx1024
4.75" x 36" H Style Heatsink 4530
XX1024
Description
4.75" x 12" H Style Heatsink 5410
xx1025
4.75" x 36" H Style Heatsink 5410
xx1025
Description
5.00" x 12" H Style Heatsink 6542
xx1245
5.00" x 36" H Style Heatsink 6542
xx1245
Thermal
Resistance
Height Length °C/w/3
9
12
0.59
9
36
0.59
Thermal
Resistance
Width Height Length
°C/w/3
4
1.25
12
2.3
4
1.25
36
2.3
Thermal
Resistance
Width Height Length °C/w/3"
4.75
1.245
12
2
4.75
1.245
36
2
Thermal
Resistance
Width Height Length °C/w/3"
4.75
2.625
12
1.3
4.75
2.625
36
1.3
Thermal
Resistance
Width Height Length °C/w/3"
5
5
12
0.72
5
5
36
0.72
Thermal Extrusions Cut to Length
H & T Style/Mounting Shelf Heat Sinks
• Dimensions: Inches
• Thermal Resistance based on 3 Inch Length in Natural Convection Setting
WKV Part
Number
125505
125506
WKV Part
Number
125637
125638
WKV Part
Number
127741
127799
Description
6.25" Wide x 12" H Style Heatsink
16971 xx1541
6.25" Wide x 36" H Style Heatsink
16971 xx1541
Description
4.702" Wide x 12" Mounting Shelf
Extrusion 14264
4.702" Wide x 12" Mounting Shelf
Extrusion 14264
Description
2.5" Wide x 12" T Style
Extrusion 19342
2.5" Wide x 12" T Style
Extrusion 19342
Thermal
Resistance
Width Height Length °C/w/3"
6.25
6.25
12
0.59
6.25
6.25
36
0.59
Thermal
Resistance
Width Height Length °C/w/3"
4.702
3.312
12
1.8
4.702
3.312
36
1.8
Width
Thermal
Resistance
Height Length
°C/w/3
2.5
1.5
12
3.49
2.5
1.5
36
3.49
Thermal Extrusions Cut to Length
BGA Style Heat Sinks
• Dimensions: Inches
• Thermal Resistance based on 3 Inch Length in Natural Convection Setting
WKV Part
Number
125283
125284
WKV Part
Number
127692
127742
Description
Width
1.10" Wide x 12" BGA Heatsink Extrusion
16240 xx8052-65
1.1
1.10" Wide x 36" BGA Heatsink Extrusion
16240 xx8052-65
1.1
Thermal
Resistance
Height Length °C/w/3"
0.65
12
8
0.65
36
8
Thermal
Resistance
Width Height Length °C/w/3
Description
1.40" Wide x 12" BGA Heatsink Extrusion
11381
1.4
1.40" Wide x 36" BGA Heatsink Extrusion
11381
1.4
0.65
12
6.2
0.65
36
6.2
Thermal
127693
WKV Part 127743
Heig
Resistance
Number
Description
Width ht Length °C/w/3
1.66" Wide x 12" BGA Heatsink Extrusion
127693
12704
1.66 1.175 12
3.6
1.66" Wide x 36" BGA Heatsink Extrusion
127743
12704
1.66 1.175 36
3.6
WKV Part
Number
125289
125290
WKV Part
Number
125307
125308
Description
1.75" Wide x 12" BGA Heatsink
Extrusion 16249 XX8260-65
1.75" Wide x 36" BGA Heatsink
Extrusion 16249 XX8260-65
Width
Thermal
Resistance
Height Length °C/w/3"
1.75
0.65
12
7.8
1.75
0.65
36
7.8
Description
Width Height Length
2.10" Wide x 12" BGA Heatsink Extrusion
12554 xx8355-100
2.1
1
12
2.10" Wide x 36" BGA Heatsink Extrusion
12554 xx8355-100
2.1
1
36
Thermal
Resistance
°C/w/3"
3.8
3.8
Thermal Extrusions Cut to Length
Center/Multi Channel Heat Sinks
• Dimensions: Inches
• Thermal Resistance based on 3 Inch Length in Natural Convection Setting
WKV Part
Number
127729
127787
Description
1.625" Wide x 12" Center Channel
xx6863 19604
1.625" Wide x 36" Center Channel
xx6863 19604
WKV Part
Number
127730
127788
WKV Part
Number
127731
127789
WKV Part
Number
127732
127790
WKV Part
Number
127733
127791
WKV Part
Number
127734
127792
Description
2.00" Wide x 12" Center Channel
xx1284 6540
2.00" Wide x 36" Center Channel
xx1284 6540
Description
2.82" Wide x 12" Center Channel
xx4306 15963
2.82" Wide x 36" Center Channel
xx4306 15963
Description
4.75" Wide x 12" Center Channel
xx1327 6541
4.75" Wide x 36" Center Channel
xx1327 6541
Width
Thermal
Resistance
Height Length
°C/w/3
1.625
1.2
12
4.64
1.625
1.2
36
4.64
Width
Height
Length
Thermal
Resistance
°C/w/3
2
0.562
12
6.5
2
0.562
36
6.5
Width
Height
Length
Thermal
Resistance
°C/w/3
2.82
0.937
12
3.1
2.82
0.937
36
3.1
Width
Height
Length
Thermal
Resistance
°C/w/3
4.75
0.461
12
3.3
4.75
0.461
36
3.3
Lengt
Description
Width Height h
5.64" Wide x 12" Multi Channel 7999 5.64
1
12
5.64" Wide x 36" Multi Channel 7999 5.64
1
36
Thermal
Resistance
°C/w/3
2.26
2.26
Thermal
Resistance
Description
Width Height Length °C/w/3
8.5" Wide x 12" Multi Channel xx5060 19223 8.5
1.5
12
0.87
8.5" Wide x 36" Multi Channel xx5060 19223 8.5
1.5
36
0.87
Thermal Extrusions Cut to Length
Flatback w/ Mounting Feet Heat Sinks
• Dimensions: Inches
• Thermal Resistance based on 3 Inch Length in Natural Convection Setting
WKV Part Number
127735
127793
WKV Part
Number
127736
127794
WKV Part
Number
127737
127795
WKV Part
Number
127738
127796
WKV Part
Number
127739
127797
WKV Part
Number
127740
127798
Description
4.519" Wide x 12" Flatback
w/mounting feet 19133
4.519" Wide x 36" Flatback
w/mounting feet 19133
Width Height Length
Thermal
Resistance
°C/w/3
4.519 1.898
12
2.4
4.519 1.898
36
2.4
Thermal
Resistance
Width Height Length
°C/w/3
Description
6.8" Wide x 12" Flatback w/ mounting
feet 13994
6.8" wide x 36" Flatback w/ mounting
feet 13944
6.8
2
12
0.9
6.8
2
36
0.9
Thermal
Heigh Lengt Resistance
Width t
h
°C/w/3
Description
7.13" Wide x 12" Flatback w/mounting legs
21911
7.13 1.55
7.13" Wide x 36" Flatback w/mounting legs
21911
7.13 1.55
12
0.74
36
0.74
Thermal
Resistance
Width Height Length °C/w/3
Description
7.62" Wide x 12" Flatback w/mounting
feet 16493
7.62 1.655
7.62" Wide x 36" Flatback w/mounting
feet 16493
7.62 1.655
Description
7.62" Wide x 12" Flatback
w/mounting feet 16494
7.62" Wide x 36" Flatback
w/mounting feet 16494
Description
9.00" Wide x 12" Flatback w/
mounting feet 16922
9.00" wide x 36" Flatback w/
mounting feet 16922
12
1.24
36
1.24
Width
Height
Length
Thermal
Resistance
°C/w/3
7.62
3.075
12
0.67
7.62
3.075
36
0.67
Width
Thermal
Resistance
Height Length °C/w/3
9
1.02
12
2.1
9
1.02
36
2.1
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