Communication Concepts 2M 1KW Amateur Application Note - Manual (Page 15)

MRFE6VP61K25H MRFE6VP61K25HS 2 Meter Amateur
15
RF Reference Design Data
Freescale Semiconductor
APPENDIX C
Copper Heatsink for 2 Meter Amateur Fixture
A
2.737 (69.51) 0.41 (10.41)
D
D
A
1.813 (46.04)
0.813 (20.64)
0.140 (3.56)
0.125 (3.17)
0.00
(0.00)
0.177
(4.50)
0.929
(23.59)
1.558
(39.58)
1.724
(43.78)
2.134
(54.19)
2.283
(57.98)
2.929
(74.38)
4.499
(1
14.28)
4.725
(120.02)
E
F
F
E
1.929
(48.98)
D
A
A
D
B
4.548
(1
15.52)
2.882 (73.19)
2.719 (69.07)
2.011 (51.08)
0.611 (15.52)
0.130 (3.32)
AA
D
D
A
A
B
1.309 (33.26)
1.668 (42.38)
1.489 (37.83)
1.129 (28.69)
0.950 (24.14)
∅ 0.188 ( ∅ 4.76)
0.000 (0.00)
0.000
(0.00)
0.128
(3.25)
0.324
(8.23)
0.038 (0.97)
1.929
(48.99)
C, Device Channel
E E
0.929
(23.59)
2.929
(74.39)
Gutter is 0.030 wide
and 0.046 deep, both
sides
0 (0.00)
0.300 (7.62)
0.720 (18.29)
B
0.000
(0.00)
inches (mm)
8x
#4--40
0.300″ deep
0.720″ Copper Heatsink Hole Details
Designators Details
A 2 places, both sides, drill and tap, #2--56 screw depth 0.300″
B 2 places, both sides, 0.1875″ diameter notch 0.020″ deep
C NI--1230 channel 0.410″ wide by 0.0380″ deep
D 2 places, both sides, drill depth 0.250″ and tap for #4--40 screw
E Locator holes from bottom diameter = 0.257″, depth = 0.400″
F 2 places, drill through and tap for #4--40 screw
Figure 15. Heatspreader Design