ELLIPTICAL FIN HEAT SINK
900 Series
Wakefield-Vette’s 900 Series Heat Sinks for Chipset can match up
to devices from Intel, Broadcom, Xilinx, TI, Motorola, ATI, AMD,
Nvidia, Vishay, Powerex, Infineon, Microsemi, and many more.
These heat sinks are designed for air flow applications in the
Telecom, Data Center, Networking, Cloud Computing, and many
more Industries.
Material: AL 6063
Finish: Black Anodize
FORCED CONVECTION
SERIES
901
902
903
904
905
FORCED CONVECTION
Height
CHIP SIZE
NATURAL
CONVECTION
200 LFM
400 LFM
600 LFM
200 LFM
400 LFM
600 LFM
12
19mm
14.77 C/W
6.63 C/W
5.09 C/W
4.38 C/W
12
31mm
12.02 C/W
3.37 C/W
2.25 C/W
1.87 C/W
15
19mm
14 C/W
6.12 C/W
4.63 C/W
3.95 C/W
15
31mm
11.43 C/W
3.13 C/W
2.02 C/W
1.66 C/W
18
19mm
13.23 C/W
5.67 C/W
4.17 C/W
3.58 /CW
18
31mm
10.85 C/W
2.85 C/W
1.79 C/W
1.45 C/W
21
19mm
12.46 C/W
5.28 C/W
3.87 C/W
3.24 C/W
21
31mm
10.27 C/W
2.63 C/W
1.63 C/W
1.31 C/W
23
19mm
11.98 C/W
4.89 C/W
3.58 C/W
3.06 C/W
23
31mm
9.88 C/W
2.44 C/W
1.5 C/W
1.19 C/W
28
19mm
11.5 C/W
4.38 C/W
3.26 C/W
2.80 C/W
28
31mm
8.93 C/W
2.21 C/W
1.36 C/W
1.05 C/W
33
19mm
9.57 C/W
4.04 C/W
2.98 C/W
2.62 C/W
33
31mm
7.98 C/W
2.02 C/W
1.19 C/W
.93 C/W
12
21mm
14.31 C/W
5.81 C/W
3.86 C/W
3.16 C/W
12
33mm
11.56 C/W
3.23 C/W
2.09 C/W
1.73 C/W
15
21mm
13.57 C/W
5.3 C/W
3.5 C/W
2.89 C/W
15
33mm
11 C/W
2.97 C/W
1.88 C/W
1.54 C/W
18
21mm
12.83 C/W
4.95 C/W
3.35 C/W
2.66 C/W
18
33mm
10.45 C/W
2.69 C/W
1.7 C/W
1.37 C/W
21
21mm
12.09 C/W
4.61 C/W
3.111 C/W
2.47 C/W
21
33mm
9.9 C/W
2.5 C/W
1.52 C/W
1.22 C/W
23
21mm
11.63 C/W
4.32 C/W
2.91 C/W
2.32 C/W
23
33mm
9.54 C/W
2.3 C/W
1.37 C/W
1.08 C/W
28
21mm
10.47 C/W
3.89 C/W
2.61 C/W
2.09 C/W
28
33mm
8.62 C/W
2.08 C/W
1.23 C/W
.98 C/W
33
21mm
9.3 C/W
3.57 C/W
2.37 C/W
1.95 C/W
33
33mm
7.71 C/W
1.89 C/W
1.08 C/W
.86 C/W
12
23mm
13.85 C/W
4.75 C/W
3.31 C/W
2.79 C/W
12
35mm
11.1 C/W
3.07 C/W
2.07 C/W
1.64 C/W
15
23mm
13.14 C/W
4.38 C/W
3.05 C/W
2.53 C/W
15
35mm
10.58 C/W
2.79 C/W
1.87 C/W
1.46 C/W
18
23mm
12.44 C/W
4.07 C/W
2.81 C/W
2.32 C/W
18
35mm
10.06 C/W
2.54 C/W
1.69 C/W
1.27 C/W
21
23mm
11.73 C/W
3.84 C/W
2.57 C/W
2.11 C/W
21
35mm
9.53 C/W
2.35 C/W
1.52 C/W
1.15 C/W
23
23mm
11.28 C/W
3.59 C/W
2.4 C/W
1.97 C/W
23
35mm
8.75 C/W
2.13 C/W
1.35 C/W
1.01 C/W
28
23mm
10.16 C/W
3.22 C/W
2.17 C/W
1.8 C/W
28
35mm
7.93 C/W
1.94 C/W
1.19 C/W
.86 C/W
33
23mm
9.04 C/W
2.93 C/W
1.95 C/W
1.64 C/W
33
35mm
7.11 C/W
1.69 C/W
1.02 C/W
.72 C/W
12
27mm
12.93 C/W
4.34 C/W
3 C/W
2.53 C/W
12
37.5mm
10.52 C/W
3.11 C/W
2.01 C/W
1.61 C/W
15
27mm
12.29 C/W
4.05 C/W
2.76 C/W
2.29 C/W
15
37.5mm
10.04 C/W
2.82 C/W
1.79 C/W
1.41 C/W
18
27mm
11.64 C/W
3.73 C/W
2.5 C/W
2.07 C/W
18
37.5mm
9.56 C/W
2.59 C/W
1.59 C/W
1.22 C/W
21
27mm
11 C/W
3.43 C/W
2.31 C/W
1.9 C/W
21
37.5mm
9.08 C/W
2.38 C/W
1.41 C/W
1.06 C/W
23
27mm
10.58 C/W
3.21 C/W
2.11 C/W
1.71 C/W
23
37.5mm
8.75 C/W
2.15 /CW
1.24 C/W
.94 C/W
28
27mm
9.54 C/W
2.89 C/W
1.84 C/W
1.51 C/W
28
37.5mm
7.93 C/W
1.88 C/W
1.08 C/W
.8 C/W
33
27mm
8.51 C/W
2.62 C/W
1.66 C/W
1.35 C/W
33
37.5mm
7.11 C/W
1.64 C/W
.93 C/W
.68 C/W
12
29mm
12.47 C/W
4.09 C/W
2.74 C/W
2.25 C/W
12
40mm
9.95 C/W
3.09 C/W
1.93 C/W
1.56 C/W
15
29mm
11.86 C/W
3.81 C/W
2.52 C/W
2.02 C/W
15
40mm
9.51 C/W
2.77 C/W
1.73 C/W
1.37 C/W
18
29mm
11.25 C/W
3.56 C/W
2.31 C/W
1.84 C/W
18
40mm
9.06 C/W
2.74 C/W
1.52 C/W
1.17 C/W
21
29mm
10.63 C/W
3.3 C/W
2.12 C/W
1.65 C/W
21
40mm
8.62 C/W
2.22 C/W
1.35 C/W
.99 C/W
23
29mm
10.23 C/W
3.06 C/W
1.91 C/W
1.49 C/W
23
40mm
8.3 C/W
2.01C/W
1.19 C/W
.87 C/W
28
29mm
9.24 C/W
2.72 C/W
1.69 C/W
1.33 C/W
28
40mm
7.55 C/W
1.8 C/W
1.04 C/W
.75 C/W
33
29mm
8.24 C/W
2.47 C/W
1.49 C/W
1.18 C/W
33
40mm
6.78 C/W
1.61 C/W
.88 C/W
.64 C/W
SERIES
906
907
908
909
910
HEIGHT
CHIP SIZE
Series Chip Size Construction Height Chip Height
901191121-
NATURAL
CONVECTION
Finish
B-
Interface
1
XXX
XX
X
XX
X
X
X
901
902
903
904
905
906
907
908
909
910
19
21
23
27
29
31
33
35
37.5
40
1= Eliptical Fin
2= Pin Fin
12 = 11.6
15 = 14.6
18 = 17.6
21 = 20.6
23 = 22.6
28 = 27.6
33 = 32.6
1 = .9-2.1
2 = 2.2-3.4
B = BLK ANO
0 = None
1 = T725
T h e r m a l
C o o l i n g
S o l u t i o n s
f r o m
S m a r t
www.wakefield-vette.com
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F i n i s h
ELLIPTICAL FIN HEAT SINK
900 Series
Wakefield-Vette’s heat sink assembles onto chip set using the space that is between the PCB and
the substrate of the solder balls. The solder balls provide a minimal gap of .5mm to .7mm.
Attachment feature is below a .4mm thickness. The clipping system will not interfere or damage
chip. Contact area is the edge of chip.
ASSEMBLY INSTRUCTION:
Step 1: Hook the
clip under one
side of the BGA
chip set.
Step 2: Rotate
assembly down
until opposite
side clip engages
substrate edge of
BGA chip set.
Random Vibration Test
Frequency :5 Hz to 500 Hz
Acceleration :3.13 grms
P.S.D :0.01 g2/HZ (5 Hz)
0.02 g2/HZ (20 Hz to 500 Hz)
Test Axis :X, Y, Z axis
Test Time :10 mins (Each axis)
Total Test Time :30 mins
T h e r m a l
C o o l i n g
S o l u t i o n s
Step 3: Make sure
the sop rods are
clearing from edges
of BGA chip set.
Step 4: Press firmly
down to make sure
clips fully engage
edges of chip set.
Heat Sink should not
move around easily.
SHOCK TEST SPECIFICATION:
Wave Form :Half sine wave
Acceleration :50 g
Duration Time :11 ms
No. of Shock :Each axis 3 times
Shock Direction :±X, ±Y, ±Z axis
Reliability & Communication
Testing Instruments
f r o m
S m a r t
www.wakefield-vette.com
t o
F i n i s h
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