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38 Thermal and Mechanical Design Guidelines
Figure 19. (G)MCH Reference Heatsink for Balanced Technology Extended (BTX) Platforms – Clip
A
A
A
A
B
B2X 90
27.3
1.075[]
47.36
1.865[]
R
TYP
1.3
.051[]
8.87 1.25
.34 9
.04 9[]
4X R 1.8
.07 1[]
3.8
.150[]
62.6 1
2.465
.039[]
25.14
.990[]
W IR E TER MIN ATION
WITHIN
10.0
4.1
.16 1[]
2X 26.16
1.030[]
35.3
1.390[]
()1.80
.07 1[]
()3.80
.150[]
()10.27
.40 4[]
NOTES:
1. REMOVE ALL SHARP EDGES AND BURR S
2. MATERIAL: ASTM A228 MUSIC WIRE 1.8 MM STOCK
3. TOTAL WIRE LENGTH = 121.9 MM
4 CRITICAL TO FUNCTION DIMENSIONS
5. PLATING: ELEC TR O-LESS NICKEL
4
4
FAR SIDE
FAR SIDE
FAR SIDE
VIEW A
SEE DETAIL C
SECTION B-B
SCALE 10:1
DETAIL C
SC ALE 8:1
A3
A1
A2
A1
A3
A2