Table 39: Input Voltage - Hitachi HDT725025VLA380 - Deskstar 0A33423 T7K500 250GB SATA 7200RPM 8MB Cache Hard Drive Specifications

7.3.1 Input voltage

Table 39: Input voltage

Input voltage supply
+5 V
+12 V
1
To avoid damage to the drive electronics, power supply voltage spikes must not exceed specifications.
2
+12V should be applied within 60 seconds after +5V is applied to the drive.
2
During run and spin up
5 V ± 5%
12 V + 10% –8%
Deskstar T7K500 Hard Disk Drive Specification
Absolute max spike voltage
–0.3 to 5.5 V
–0.3 to 15 V
51
1
Supply rise time
0 to 5 sec
0 to 5 sec