© 2023
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WHY5640 TEMPERATURE CONTROLLER
ADDITIONAL TECHNICAL
INFORMATION
WHY SERIES: FAN & HEATSINK MOUNTING
To mount the WHY5640 Series to the heatsink and fan
) and optional evaluation PCB, refer to the
drawings and instructions below:
ASSEMBLY INSTRUCTIONS
Refer to
.
•
Clean all mating surfaces on the electronics module
and heatsink. It is important to remove particulates and
foreign materials from the mating faces.
• Apply the WTW002 Thermal Washer to the WHS302
Heatsink surface, aligning the thermal washer holes
with the heatsink holes.
• Secure the WHS302 Heatsink and the WXC303/304
Fan (if used) to controller with two screws. (Actual fan
wire configuration may be different than shown. Fan
can be rotated on the WHY so the location of the wires
matches custom PCB.)
WHY5640 and WHY5690 assembly instructions (
)
• Match up the notch (shown in
) on the
WHY5640 with the silkscreen on the PCB
•
Align the pins with the sockets, ensuring that all pins are
lined up in their respective sockets.
•
Press firmly to seat the WHY5640.
Make sure that
none of the pins were bent during insertion before
continuing.
•
Attach the snap-in standoffs.
Screw: 4-40 PHPH
(x.75” w/o FAN)(x1” w/FAN)
30 mm FAN
WXC303 (+5VDC) or
WXC304 (+12VDC)
WHS302 Heatsink
WTW002
Thermal Washer
WHY5640
Heat Spreader
Airflow
Direction
Figure 13. WHY5640 Assembled with Heatsink
& Fan
Figure 14. WHY5640, Heatsink, and Fan
Mounting
Figure 15. WHY5640 and WHY5690
Assembly
WHY5640
Component
WHY5690
Evaluation
Board
Pin #1
4-40 x 0.625” NYLON
STANDOFFS
4 REQUIRED
