D Subminiature
Commercial Micro D — MDSM
M
DSM 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:
Electronic Notepads
VME Cards
Multiplexors
Serial Storage Devices
Computer Workstations
Hand Held Devices
Bar Code Scanners
Product Features
1,27 (.050) Pitch / Saves Space
Fully Shielded / Reduces EMI
Crimp Contacts / Applied Cost Savings
Accessories Included / Fewer Part Numbers
PdNi Plating / 10,000 Mating Cycles
Stacked Versions / Saves Horizontal Space
Slide Over Boot / Results in Overmolded
Appearance
Choice of Two Different Latching Options
(Thumbscrew / Push-Pull)
Approvals & Certifications
SSA (Serial Storage Architecture)
U.L. File Number E8572
ISO 9001
Specifications
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 m Max.
5000 M Min.
350 V at Sea Level
10,000 Mating Cycles
50 G’s / 50 G’s
26 to 30 AWG
Materials and Finishes
Description
Shell
Shield Can
Cover
Insulator
Contacts
Material
Steel
Steel
Steel
Thermoplastic, UL94 V-O
Copper Alloy
Finish
Nickel
Tin
Tin
None
Gold flash over 30 microinches PdNi in mating area, Tin on balance
Contact Arrangements
(Face View of Pin Insert — Use Mirror Image for Socket Side)
9 Contacts
15 Contacts
25 Contacts
Dimensions are shown in mm (inch)
Dimensions subject to change
97
D Subminiature
Locking/Latching Options
Jackscrew
C ommercial M icro D — M DSM
Push/Pull
The jackscrew locking system is designed for applications which require a
secure connection. Utilize thumbscrews when the connectors are infrequently
unmated.
The push/pull latching system is designed for applications which require a
quick connect and disconnect. A spring retention mechanism latches to a post
on the board side to prevent unintentional unmatings.
Z10 Jackpost
Z42 Jackpost
#2-56 UNC
#2-56 UNC
0,52 (.020)
3,18 (.125)
HE X
(AC R OS S F LAT S )
1,25 (.049)
6,45
(.254)
¯ 3,25
(.128)
1,25 (.049)
6,45
(.254)
Note: Two Jackposts supplied with boardside connectors.
Note: Two Jackposts supplied with boardside connectors.
Dimensions are shown in mm (inch)
Dimensions subject to change
D Subminiature
PCB Connector 90° - Single
Commercial Micro D — MDSM
Note: Standard jackpost offering recommended for use with .060 panel.
No. of
Contacts
9
15
25
Part Numbers - Single
Thumbscrew
Push/Pull
MDSM-9PE-Z10-VR25*
MDSM-9E-Z42-VR25*
MDSM-15PE-Z10-VR22
MDSM-15PE-Z42-VR22
MDSM-25PE-Z10-VR17
MDSM-25PE-Z42-VR17
A
max.
19,90 (.783)
23,60 (.929)
29,95 (1.179)
B
14,35 (.565)
18,16 (.715)
24,51 (.965)
C
max.
8,60 (.339)
12,30 (.484)
18,65 (.734)
D
max.
9,00 (.354)
12,90 (.508)
19,25 (.758)
E
5,08 (.200)
8,89 (.350)
15,24 (.600)
F
±0,05
(.002)
10,24 (.403)
14,01 (.551)
20,35 (.801)
*For use with SSA applications
PCB Connector 90° - Stacked
No. of
Contacts
18
30
Part Numbers - Stacked
Thumbscrew
Push/Pull
MDSM-18PE-Z10-VR25*
MDSM-18PE-Z42-VR25*
MDSM-30PE-Z10-VR22
MDSM-30PE-Z42-VR22
A
max.
19,90 (.783)
23,50 (.925)
B
14,35 (.565)
18,16 (.715)
C
max.
8,60 (.339)
12,30 (.484)
D
max.
9,00 (.354)
12,71 (.500)
E
5,08 (.200)
8,89 (.350)
F
10,24 (.403)
14,00 (.551)
*For use with SSA applications
Dimensions are shown in mm (inch)
Dimensions subject to change
99
D Subminiature
Cable Connectors (Unassembled Components)
Jackscrew
Commercial Micro D — MDSM
JACKSCREW
HOOD
SHELL/SHIELD
ASSEMBLY
CABLE
(CUSTOMER
SUPPLIED)
CRIMP CONTACTS
(PURCHASED
SEPARATELY)
Cable connectors are supplied as complete kits
with insulator, hood, locking hardware, shell/
shield assembly, and cover, bulk packaged.
INSULATOR
SHELL COVER
Push/Pull
8,00
(.315)
HOOD
D
SHELL/SHIELD
ASSEMBLY
Cable connectors are supplied as complete kits
with insulator, hood, shell/shield assembly, and
cover, bulk packaged.
CABLE
(CUSTOMER
SUPPLIED)
CRIMP CONTACTS
(PURCHASED
SEPARATELY)
INSULATOR
SHELL COVER
C
B
A
MAX
5,60
(.220)
7,50
(.295)
MAX
Jackscrew
Push/Pull
A
B
Layout
Part Numbers
Part Numbers
max.
0,10 (.004)
9 MDSM-9SC-Z11-VS1 MDSM-9SC-Z24-VS1 19,90 (.783) 14,35 (.565)
15 MDSM-15SC-Z11-VS1 MDSM-15SC-Z24-VS1 23,70 (.993) 18,16 (.715)
25 MDSM-25SC-Z11-VS1 MDSM-25SC-Z24-VS1 30,05 (1.183) 24,51 (.965)
Note: VS1 refers to packaging multiples of 100.
Contacts are sold separately, see this page.
C
0,10 (.004)
9,45 (.372)
13,17 (.519)
19,52 (.769)
D
max.
35,50 (1.40)
35,50 (1.40)
42,50 (1.67)
Max.
Cable Entry
5,70 (.224)
6,70 (.264)
7,90 (.311)
Crimp Contacts
Wire Trim Dimensions
0,95 (.037)
2,60 (.102)
25,00
(.984)
15,00 (.591)
Part Numbers
Socket
For crimp tooling, see page 101.
1,000 Piece Reel
MDS-S-TS
10,000 Piece Reel
MDS-S-RL
100
Dimensions are shown in mm (inch)
Dimensions subject to change
D Subminiature
Contact Crimping Tools
Parallel Action Low Volume Hand Tool
Hand Tool
Commercial Micro D — MDSM
Semi-Automatic Crimper/Stripper
Part Number: CCTP-MDS
Note: For use with individual contacts (break off reel
MDS-S-TS or MDS-S-RL.
Part Number: CCTR-MDS
Note: For use with reeled contacts - Part Number MDS-S-TS.
Part Number: ABT-620-MDS (Lease Only)
Note: For use with reeled contacts - Part Number MDS-S-RL.
For additional information, see page 275.
Crimp dies for SSA Cable will be offered by ITT Cannon.
Consult factory for details.
Contact Insertion/Extraction Tools
Jackpost Tool
Insertion Tool
Part Number: CIET-MDSM
Note: For use with Z10 Jackpost.
Part Number: 120090-0102
Note: Contacts cannot be removed from MDSM connectors.
Shield Crimp Tooling
Shield crimping requires four items; one
press, one locator, and one each of the two
dies listed below.
Locator and Dies for Shield Termination
Ordered Separately
Part Numbers
Layout
9
15
25
Locator
317-8666-013
317-8666-014
317-8666-016
Die
274-8649-332/274-8649-333
274-8649-334/274-8649-335
274-8649-338/274-8649-339
Hand Press
Pneumatic Press
Note: For assembly instructions and crimping information, refer
to Manual #MY-1/190.
Part Number: CHP-MDSM-SR
Part Number: CPT-MDSM-SR
Dimensions are shown in mm (inch)
Dimensions subject to change
101
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