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D20419 Datasheet, PDF (98/301 Pages) ITT Industries – D Subminiature Connectors
D Subminiature
Commercial Micro D — MDSM
MDSM is the commercial industry’s
smallest D-type connector for shielded
I/O wire-to-board applications.
Requiring less than 1/3 the area of a traditional
D Subminiature connector, MDSM is designed for
situations where space and EMI shielding are the
primary design drivers.
Unlike other micro connectors, MDSM’s rugged
construction and unique contact design combined
with a PdNi contact finish provide durability of
10,000 mating cycles. All of this comes in a sleek
package that includes a snap together shield can
and a slide over boot producing a cable assembly
with an overmolded look and a low assembled
cost. MDSM is an ideal solution for applications
where size, shielding, durability and aesthetics are
key design criteria.
Applications:
ɀ Electronic Notepads
ɀ VME Cards
ɀ Multiplexors
ɀ Serial Storage Devices
ɀ Computer Workstations
ɀ Hand Held Devices
ɀ Bar Code Scanners
Product Features
ɀ 1,27 (.050) Pitch / Saves Space
ɀ Fully Shielded / Reduces EMI
ɀ Crimp Contacts / Applied Cost Savings
ɀ Accessories Included / Fewer Part Numbers
ɀ PdNi Plating / 10,000 Mating Cycles
Specifications
ɀ Stacked Versions / Saves Horizontal Space
ɀ Slide Over Boot / Results in Overmolded
Appearance
ɀ Choice of Two Different Latching Options
(Thumbscrew / Push-Pull)
Temperature Rating
Current Rating
Contact Resistance
Insulation Resistance
Dielectric Withstanding Voltage
Durability
Shock / Vibration
Wire Size
− 55°C to 125°C
1 A — temp dependent
20 mȉ Max.
5000 Mȉ Min.
350 V at Sea Level
10,000 Mating Cycles
50 G’s / 50 G’s
26 to 30 AWG
Approvals & Certifications
ɀ SSA (Serial Storage Architecture)
ɀ U.L. File Number E8572
ɀ ISO 9001
Materials and Finishes
Description
Shell
Shield Can
Cover
Insulator
Contacts
Material
Steel
Steel
Steel
Thermoplastic, UL94 V-O
Copper Alloy
Contact Arrangements
(Face View of Pin Insert — Use Mirror Image for Socket Side)
Finish
Nickel
Tin
Tin
None
Gold flash over 30 microinches PdNi in mating area, Tin on balance
9 Contacts
15 Contacts
25 Contacts
Dimensions are shown in mm (inch)
Dimensions subject to change 97