Toshiba DVD REWRITEABLE DRIVE SD-R5112 - Manual (Page 15)

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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 5° to 50° C (41° to 122° F)
Storage -10° to 60° C (14° to 140° F)
Shipping -40° to 65° C (-40° to 149° F)
Temperature Gradient
Operating 11° C /hour (max)
Storage/Shipping 20° C /hour (max)
Relative Humidity
Operating 8% to 80%
Storage/Shipping 5% to 95% (wet bulb 40° C max)
Vibration
Operating (5 to 500 Hz) (read) 2.45 m/s 2 (0.25G) (O-P)
Operating (5 to 500Hz) (write) 2.45 m/s 2 (0.25G) (O-P)
Non-operating (10 to 500Hz) 9.8 m/s 2 (1.0G) (O-P)
Transporting (with packing) (10 to 25 Hz) 9.8 m/s 2 (1.0G) (O-P)
Shock (Non-operating) 490 m/s 2 [50G]
Acoustical Noise 40dB
Power
DC Voltage and Current Requirements 5V, 12V 5%
Physical
Height 5.75" (146mm)
Width 1.63" (41.5mm)
Depth 7.46" (189.5mm)
Weight 2.20lbs (1.0kg)