USED YE DATA YD-702D-6639D

The YE Data YD-702D-6639D is a 3.5-inch (90mm) internal high-density floppy disk drive with a 25.4mm (1-inch) form factor height. It features a brushless direct-drive spindle motor for rotational accuracy and a lead screw stepping motor head actuator for precise track positioning and enhanced shock/vibration resistance. The drive supports three capacity modes — 2.0MB (2HD), 1.6MB, and 1.0MB (2DD) — making it broadly compatible with worldwide floppy disk standards and numerous industrial, embedded, and legacy computing applications.
Specification
Value
Brand
YE Data
Model / Part Number
YD-702D-6639D
Product Type
Internal Floppy Disk Drive (FDD)
Disk Size
3.5-inch (90mm)
Form Factor
3.5" 1/3H Internal
Height
25.4 mm (1 inch)
Storage Capacity (Max)
1.44 MB (2.0 MB unformatted)
Capacity Modes Supported
2.0 MB (2HD), 1.6 MB, 1.0 MB (2DD)
Interface
34-pin IDC Floppy Disk Controller (FDD)
Power Supply
+5V DC (4-pin connector)
Data Transfer Rate (External)
62.5 KB/s
Data Transfer Rate (Internal)
500 KB/s
Average Random Access Time
94 ms
Head Actuator Type
Lead Screw Stepping Motor
Spindle Motor Type
Brushless Direct Drive
Capacity Mode Switching
Automatic (media type) or via shorting plug on PWB
Default Shipping Mode (Shorting Plug)
Standard IBM PC setting
Standby Mode
Yes (spindle motor stops; read/write & spindle control power cut)
Media Detect Signal
HIGH = 2DD media; LOW = 2HD media or no media
Approximate Dimensions (L x W x H)
5.7" x 4" x 1" (145 mm x 101.6 mm x 25.4 mm)
Mass (Weight)
246 g (typical)
Status
Discontinued by Manufacturer
Datasheet Reference
FDAA-522041
We warranty all items for 30 days from date of purchase.