Seagate 3240, 2531 manual Startup current 12V peak

Medalist 3240 and Medalist 2531 Product Manual, Rev. A		3
Drive Specification	ST33240A	ST32531A
Startup current: 12V (peak)	1.6 amps
5V (RMS)	0.5 amps
Seek power (mean)	4.3 watts
Operating power (typical)	4.6 watts
Idle mode power (typical)	4.5 watts
Standby mode power (typical)	1.0 watts
Sleep mode power (typical)	0.7 watts
Voltage tolerance (including noise)	± 5%
Ambient temperature (°C)	5 to 55 (op.), –40 to 60 (nonop.)
Temperature gradient (°C per hour max)	20
Relative humidity (op. and nonop.)	8% to 80%
Relative humidity gradient	10% per hour max
Wet bulb temperature (°C max)	29 (op.and nonop.)
Altitude (meters above mean sea level, max)	–61 to 3,048 (op.)
	–61 to 12,192 (nonop.)
Shock, operating (Gs max at 11 msec)	5
Shock, nonoperating (Gs max at 11 msec)	75
Vibration, operating	0.020 in. (peak to peak, 5–22 Hz)
	0.50 G (0 to peak, 22–350 Hz)
Vibration, nonoperating	0.081 in. (peak to peak, 5–22 Hz)
	5 Gs (0 to peak, 22–350 Hz)
Drive acoustics (bels—sound power)	3.7 (typical)
Idle mode	4.1 (max)
Drive acoustics (bels—sound power)	4.3 (typical)
Read/Write mode	4.5 (max)
Nonrecoverable read errors	1 per 1014 bits read
Mean time between failures (power-on hours)	300,000
Contact start-stop cycles	40,000
(40°C, ambient humidity)
Service life (years)	5