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IM483 Operating Instructions Revision R032306
69
IM483 Operating Instructions Revision R032306
A p p e n d i x C
C o o l i n g S o l u t i o n s
H - 4 X H e a t S i n k K i t
The H-4X heat sink is designed for use with
the IM483. When ordering, please specify
which drive is being used as this heat sink is
also used with the IB46X drivers. The H-4X
comes with the following items:
(1) H-4X heat sink.
(4) 6 X 32 mounting screws/washers.
(1) TN-48 non-isolating thermal pad.
M e c h a n i c a l S p e c i f i c a t i o n s
6.00
(152.4)
5.50
(139.7)
3.15
(80.1)
3.51
(89.5)
6 X32 Threaded
4 PLACES
0.85
(21.6)
Figure C.1: H-4X Heat Sink, Dimensions in Inches (mm)
T h e r m a l N o n - I s o l a t i n g P a d ( T N - 4 8 )
The TN-48 thermal non-isolating pad is a composite of .0015” (.038
mm) aluminum foil coated on both sides with a .0025” (.063 mm) thick
thermally and electrically conductive rubber. These pads have a thermal
conductivity of 0.65 W/m-K and a maximum temperature rating of 180°C.
One side of the TN-48 pad is adhesive and may be applied directly to
the IM483 driver. The TN-48 pad eliminates the problems associated with
using thermal grease.
This pad are also included in the heat sink kit.