Seagate ST12450W, Product Manual

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ST12450W/WD Product Manual, Rev. A 25
Air-flow cooling
ST12450WD
differential
MTBF
500k hours
Card Component Reference case temperature (°C)
RYGX Transmitter U5 64
RYGX Detector U58 73
RYGX VIC 2 U20 59
RYGX Flash PROM U53 59
RYGX Transceiver U7 59
HDA housing Figure 9
The air-flow pattern with which the temperature guidelines above were
generated is shown in Figure 6. Local average air velocities were 0.61
msec (120 lfpm) and inlet air temperature to the drive was 30°C (86°F).
The maximum allowable HDA case temperature is 60°C.
U20 U53
U7
U58
U5
Figure 8. RYGX temperature measurement locations
.50
1.00
Figure 9. Temperature measurement location
Measure the HDA housing temperature at the location specified in Figure 9.