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Panasonic JU-475-4 5¼"
1.2MB
Specification
| Access Times |
Track to Track |
3 msec |
| Settle Time |
15 msec |
| Latency |
83 msec |
| Power Up Time |
500 msec |
| Data Transfer Rate |
1.2MB Mode |
500 Kbits/sec |
| 360KB Mode |
250 / 300 Kbits/sec |
| Drive Characteristics |
Cylinders |
80 |
| R/W Heads |
2 |
| Sector/Track |
15 |
| Disks |
DS HD |
| Encoding |
MFM |
| Rotational Speed |
360 rpm |
| Track Density |
96 tpi |
| Reliability |
MTBF |
10,000 POH |
| MTTR |
30 mins |
Dimensions
Height |
1.65 in |
41.8 mm |
Width |
5.75 in |
146.0 mm |
Depth |
7.95 in |
202 mm |
Weight |
2.87 lb |
1.3 Kg |
Environment
|
Non Operating |
Operating |
| Temperature |
-40°C to 60°C |
5°C to 50°C |
| Humidity |
1% to 95% |
20% to 80% |
| Altitude |
-1000 to 30,000 ft |
-1000 to 10,000 ft |
| Vibration |
5.0 G |
0.5 G |
| Shock |
40 G |
5 G (No errors) |
| Power |
+5V ± 5% |
Seek |
0.30A typical |
0.37A max. |
| Read |
0.44A |
0.52A |
| Write |
0.46A |
0.55A |
| +12V ± 10% |
Seek |
0.35A typical |
0.54A max. |
| Read |
0.22A |
0.27A |
| Write |
0.28A |
0.35A |
| Consumption |
Seek |
5.70W typical |
9.07W max. |
| Read |
4.84W |
6.29W |
| Write |
5.66W |
7.51W |
Jumper Settings
Jumper setting is Drive Select 2 as default
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