Ambient and Junction Temperatures
27
Chapter 4
Ambient and Junction Temperatures
This chapter provides you with the information you need to ensure the optimal operating temperature
for your CL-GigE OEM board set.
This chapter lists the components that consume the largest amount of power on the
CL-GigE OEM board set, and will therefore be most affected by high temperatures. You must provide a
method to cool these components using a heat sink or thermal pad.
You should store the CL-GigE at temperatures between -40°C to +85°C.
Table 15: Thermal Guidelines, OEM Board Set
Reference
designator
and location
Component and
manufacturer part
number
Rating for component on standard Pleora product*
U2, GigE PHY
board
Marvell PHY
Part number:
88E1510-
A0-NNB2I000
Ambient:
-40°C to +85°C
Junction:
-40°C to +125°C
Case:
Not specified
Junction-to-case thermal resistance
Θ
JC:
18.6 (°C/W)
Junction-to-ambient thermal resistance
Θ
JA:
•
Still air:
35.2 (°C/W)
•
1 m/sec:
30.5 (°C/W)
•
2 m/sec:
29.3 (°C/W)
•
3 m/sec:
28.4 (°C/W)
Power consumption:
~ 450 mW