Seagate 1680, 2250 manual Read/Write power and current typical

Marathon 2250 and Marathon 1680 Product Manual			3
Drive Specification		Marathon	Marathon
		2250	1680
Power-on to ready (sec typical)		3.5
Standby to ready (sec typical)		2
Spinup current (peak)		1.3 amps
Read/Write power and current (typical)		2.5 watts, 0.5 amps
Seek power and current (typical)		2.5 watts, 0.5 amps
Idle mode power and current (typical)		1.2 watts, 0.24 amps
Standby mode power and current (typical)		0.3 watts, 0.06 amps
Sleep mode power and current (typical)		0.1 watts, 0.02 amps
Voltage tolerance (including noise)		+5 volts,	± 5%
Ambient temperature (°C)		5 to 55 (op.), –40 to 70 (nonop.)
Temperature gradient (°C per hour max)		30
Relative humidity (operating)		8% to 80%
		(10% per hour max grad.)
Wet bulb temperature (°C max)		29.4 (op.), 40 (nonop.)
Altitude (meters above mean sea level,		–300 to 3,040 (op.),
max)		–300 to 12,190 (nonop.)
Shock, operating (Gs max)		125 (2 msec)
Shock, nonoperating (Gs max, 2 msec)		350
Vibration (Gs max at 5–400 Hz,		0.75 (op.)
without physical damage or loss of data)		4.0 (nonop.)
Drive acoustics (bels—sound power)		3.5 (typical), 3.8 (max)
Idle mode	(dBA—sound pressure)	24 (typical), 28 (max)
Drive acoustics (bels—sound power )		3.8 (typical), 4.1 (max)
Seek mode (dBA—sound pressure)		26 (typical), 30 (max)
Nonrecoverable read errors		1 per 1013 bits read
Mean time between failures		300,000
(power-on hours)
Contact start-stop cycles		50,000
(40°C, ambient humidity)
Service life (years)		5