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Since the devices of size BG2 are twice as wide, a correspondingly wider
heat conducting film is applied to the cooling plate of the device (see Fig.
2.9)
Fig. 2.9 Rear panel with film - JM-3000 Servo amplifier BG2 (ColdPlate)
2.5.3 Dimensioning of the cooler
JM-3000 JM-3000 BG1 JM-3000 BG2
Thermal resistance R
th
K
1)
0.02 K/W 0.01 K/W
Heat capacity of the
cooling plate on the device
390 Ws/K 780 Ws/K
Max. temperature of cooling plate
on the device
85 °C
Cooler surface Maximum roughness depth R
Z
= 6.3
1) Thermal resistance between active cooling surface of the unit and cooler
Table 2.3 Characteristics of ColdPlate variant
Mechanical installation
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