| SPECIFICATION |
|
FD-235HF
|
FD-235HG
|
| Data transfer rate ( kbits/s ) |
500/250 |
Data capacity
( MBytes,Unformatted ) |
2/1( unformatted ) |
2/1.6/1 |
Innermost Track
Bit Density |
17434 , 8717 ( dpi ) |
17434 , 14528 , 8717
( dpi ) |
| Rotation speed min-1( rpm ) |
300
|
300/360/300 |
| Track/Disk |
160 |
| Track density ( tpi ) |
135 |
| Number of cylinders |
80 |
| Average access time ( msec. ) |
94 |
| Track to track time ( msec. ) |
3 |
| Settling time ( msec. ) |
15 |
| Recording method |
FM or MFM |
| Media |
3-1/2 inch micro floppy disk
High density ( 2HD ) or Normal density ( 2DD ) |
| Starting time |
480msec. or less |
| Average Latency Time |
2MB,1MB mode : 100ms
1.6MB mode : 89.3ms |
| Index |
| 1 per disk revolution |
|
| Detetion Interval : |
2MB, 1MB mode : 200ms±1.5% |
|
1.6MB mode : 166.7ms±1.5% |
|
| MTBF |
30,000 hours or more |
| MTTR |
When failure, the FDD should be replaced
in unit of the drive. |
| Safety standard |
Complies with UL,CSA,TUV and CE |
| Ambient Temperature |
| Operating : |
4 - 51.7oC ( 39 - 12oF ) |
| Storage : |
-22 - 60oC ( -8 - 140oF ) |
| Transportation : |
-40 - 65oC ( -40 - 149oF ) |
|
| Relative Humidity |
| Operating : |
20 - 80% ( non-condensing ) |
| Storage : |
5 - 90% ( non-condensing ) |
| Transportation : |
5 - 95% ( non-condensing ) |
|
| Vibration |
| Operating : |
14.7m/s2 (1.5G) or less (10 - 100Hz, 1oct/min) |
|
9.8m/s2 (1.0G) or less (100 - 200Hz, 1oct/min) |
|
4.9m/s2 (0.5G) or less (200 - 600Hz, 1 oct/min) |
| Transportation : |
19.6m/s2 (2G) or less (10 - 100Hz, 1/4oct/min) |
|
| Shock |
| Operating : |
Write & read : 49m/s2 (5G) or less |
|
Read only : 98m/s2 (10G) or less |
| Transportation : |
686m/s2 (70G) or less |
|
(11ms,1/2 sine wave) |
|
| Power Requirements |
DC+5V ±10% ( DC+12V : Not required )
Allowable ripple voltage : 100m Vp-p or lass |
| Power Consumption |
Stand-by mode : 40mW typ
Read/Write : 1.50W typ. |
| Dimensions |
101.6W X 25.4H X 145D ( mm ) |
| Weight |
410g (0.90lbs) typical |
