Gold Bell Installation Guide
MAN-G-BELIG (Ver. 1.200)
|Connector J2 |
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55
Table of Contents
Chapter 11:
Heat Dissipation
The best way to dissipate heat from the Gold Bell is to mount it so that its heat-sink faces up. For
best results leave approximately 10 mm of space between the Gold Bell's heat-sink and any other
assembly.
11.1
Thermal Data
•
Heat dissipation
capability (θ): Approximately 10 °C/W.
•
Thermal time constant: Approximately 240 seconds (thermal time constant means that the Bell
will reach two-thirds of its final temperature after 4 minutes.)
•
Shut-off temperature: 86 °C – 88 °C (measured on the heat-sink).
11.2
Heat Dissipation Data
Heat dissipation is shown graphically below:
Whistle 100 Series Power Dissipation
0.0
1.0
2.0
3.0
4.0
5.0
6.0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
Peak Current (A)
Pow
er
D
is
si
pa
tion (
W
)
85VDC
70VDC
50VDC
Standard 40
°
C Ambient Temp.
Heatsink
Required
Heatsink
not Required
Gold Bell
