Toshiba SD-R5272 user manual Reliability, Environmental

Data Error Rate

DVD-ROM	10-15	Max
	10-15	Max (Mode 1)
CD-ROM	-12	Max (Mode 2)
	10
Data Buffer	2MB
Reliability
MTBF	100,000 hours
Power ON Hours	5,436 hours/year
ON/OFF Cycles	313 cycles/year
Number of Access	600,000 accesses/year
Operating Duty Cycle	20% of Power ON time (Reading/Seeking)
2% of Power ON time (Writing/Seeking)
MTTR	0.5 hours

Environmental

Ambient Temperature

Operating

Storage

Shipping

Temperature Gradient

Operating

Storage/Shipping

Relative Humidity

Operating

Storage/Shipping

Vibration

Operating (5 to 500 Hz) (read) Operating (5 to 500Hz) (write) Non-operating (10 to 500Hz)

Transporting (with packing) (10 to 25 Hz)

Shock (Non-operating)

Acoustical Noise

14

5º to 50º C (41º to 122º F)

-10ºto 60º C (14º to 140º F) -40ºto 65º C (-40ºto 149º F)

11º C /hour (max)

20º C /hour (max)

8% to 80%

5% to 95% (wet bulb 40 C max)

2.45m/s2 (0.25G) (O-P)

2.45m/s2 (0.25G) (O-P)

9.8m/s2 (1.0G) (O-P)

9.8m/s2 (1.0G) (O-P)

490 m/s2 [50G]

40dB