Teac FD-235

Teac FD-235 3Ŋ" 1.44MB Floppy

Specification

Vendor		Teac
Model		FD-235HG-7393
Recording Method		FM or MFM
Media		High density (2HD) or normal density (2DD) 3.5" micro floppy disk
Chassis Type		Die-cast frame
Safety Standards:		Approved by UL, CSA, TUV
Maximum Formatted Storage Capacity	Mode 1, MFM	720 KB
	Mode 2, MFM	1.44 MB

Performance

Average Latency Time:	100 mS (300 rpm)
Motor Starting Time:	480msec.or less
Index:	1/revolution Detection Interval: 200msec. +or- 1.5% (300rpm)
Error Rate:	Soft read error:1/10 to the 9th bits or less Hard read error:1/10 to the 12th bits or less Seek error:1/10 to the 6th seeks or less
Motor Start Time, maximum	480 ms or less
Power Supply Voltage	+5V DC
Power Supply Tolerance	ą10%
Permissible Ripple:	less than 100m Vp-p
Power Consumption (Stand-by)	15 mW
Power Consumption (Read / Write)	1.5 W
MTBF	30,000 hrs
MTTR	30 mins or less

Dimensions

Height	1.0 in	25.4 mm
Width	4.0 in	101.6 mm
Depth	5.71 in	145 mm
Weight	0.76 lb	345 g

Environment

	Operating	Storage	Transportation
Ambient Temperature	4°C ~ 51.7°C	-22°C ~ 60°C	-40°C ~ 65°C
Temperature Gradient	20°C/hour	30°C/hour	30°C/hour
Relative Humidity	20% ~ 80%	5% ~ 90%	5% ~ 95%
Vibration	1.5G or less (10~100Hz, 1oct/min.) 1.0G or less (100~200Hz, 1oct/min.) 0.5G or less (200~600Hz, 1oct/min.)	2.0G or less (10~100Hz, 1oct/min.)	2.0G or less (10~100Hz, 1oct/min.)
Shock	5G or less (half-sine wave, 11msec.)		70G or less (half-sine wave, 11msec.)