DT / DS SERIES BACKSHELLSZINC, DIE-CASTFOR USE WITH D-SUB CONNECTORSFEATURES / TECH SPECSFEATURESTECH SPECS■ Zinc die-cast for D-Sub connectors■ Available in shell sizes 1 through 4■ Top entry or side entry■ Offers EMI Protection■ Captive mounted jackscrews■ Strain relief insert tree accommodates a variety of cablediameters■ Jackscrews available with 4-40 or M3 threads■ Suitable for robust use

Part Number

DT (Top entry)
DS (Side entry)

Performance Level

Industrial

RoHS Compliance

CompliantMaterialZinc, nickel platedJackscrews

Brass, nickel plated, UNC 4-40 or M3

Cable Orientation

Top entry
Side entry

Strain Relief

ABS plastic

Assembly Screws

Brass, nickel plated

Cable O.D.

Up to 11.50mm [.453 inches]

Operating Temperature-40°C to +120°C

BACKSHELL DIMENSION

DTDS

B

B

C

A

C

A

LayoutShellSize

A

B

C

9

1

31.0 [1.220]

39.50 [1.555]

15.00 [.591]

152

39.50 [1.555]

41.50 [1.634]

15.00 [.591]

25

3

53.50 [2.106]

48.50 [1.909]

15.00 [.591]

37

471.00 [2.795]

53.00 [2.087]

15.00 [.591]

DT
Cable Entry

DS
Cable EntryTopSide

Dimensions are in millimeters [inches]

Strain Relief
Inserts
Included with all shell sizes, for maximum
diameter, no insert needed

THE SCIENCE OF CERTAINTY®
M035 23/06
an Amphenol company

CT / CS SERIES BACKSHELLSZINC, DIE-CASTFOR USE WITH D-SUB CONNECTORSFEATURES / TECH SPECSFEATURESTECH SPECS■ Zinc die-cast for D-Sub connectors■ Drop-in replacement for FMK Series backshells■ Available in shell sizes 1 through 4■ Top entry or side entry■ Offers EMI Protection■ Captive mounted jackscrews■ Strain relief rubber grommet■ Suitable for robust use

BACKSHELL DIMENSIONCTPart Number

CT (Top entry)
CS (Side entry)

Performance Level

Industrial

RoHS Compliance

CompliantMaterial

Zinc, nickel plated

Jackscrews

UNC 4-40, Brass, nickel plated
For M3, contact Technical Sales

Cable Orientation

Top entry
Side entry

Strain Relief

RubberAssembly Screws

Steel, nickel plated

Cable O.D.

Up to 15mm [.591 inches]

Operating Temperature-45°C to +105°C

CS

B

B

CA

CA

LayoutShellSizeA

B

C

9131.60 [1.244]

39.50 [1.555]

15.20 [.598]

15240.00 [1.575]

41.00 [1.614]

15.20 [.598]

25

3

53.70 [2.114]

47.50 [1.870]

15.20 [.598]

37

4

70.20 [2.764]

48.00 [1.890]

15.20 [.598]

CTCable Entry

CSCable Entry

TopSideStandard Cable Opening Dimension
Shell size

With Grommet

Without Grommet

1

Up to 6.50 [.256]

9.50 [.374]

2

Up to 6.50 [.256]

12.5 [.492]

3

Up to 8.00 [.315]

12.5 [.492]

4

Up to 9.00 [.354]

15.00 [.591]

Dimensions are in millimeters [inches]www.connectpositronic.com

THE SCIENCE OF CERTAINTY

2

Positronic
Create A Part
CREATE A PARTD15000DT

E50/AA
Environmental ComplianceSeries••D/AAD-SubRoHS

LayoutFinish•9152537•

Shell size 1
Shell size 2
Shell size 3
Shell size 40

Zinc alloy, nickel plate

Locking Systems•E4

Contact Gender

Available on DT/DS Series Backshells only.
Contact Technical Sales for metric options on CT/CS backshells.

•0

Rotating male jackscrews M3

None
E5

Rotating male jackscrews UNC 4-40

Termination•0NoneMounting Options•0NoneBackshell Series•DTDSCTCS

Top entry
Side entry
Top entry, drop-in replacement for FMK Series backshells
Side entry, drop-in replacement for FMK Series backshells

Our backshells are also available as part of connector kits. To include a backshell in a connector
kit, insert the appropriate Backshell Series (shown above) into the Backshells & Boardlocks step ofa connector part number. Examples follow:
Series

LayoutContact
GenderTermination

Backshells &Boardlocks

Locking
Systems

ShellsEnvironmentalCompliancePART NUMBER

SD

25

F

10DS

E50/AA

SD25F10DSE50/AA

ODD

26M

10DT

E40/AAODD26M10DTE40/AA

MD9M20CTE50/AA

MD9M20CTE50/AA

ODD

15M

10CS

E50/AAODD15M10CSE50/AA

www.connectpositronic.com

THE SCIENCE OF CERTAINTY

3

PositronicOnline✔ Footprints✔ Tooling✔ Product updates✔ Detailed dimensions✔ 2D/3D drawings

See connectpositronic.com
for all other Dsub-related
information including:

All dimensional tolerances are ± 0.38 [0.015], unless otherwise specified. Dimensions are in millimeters [inches]. All
dimensions are subject to change. Product pictures may not be identical in appearance to actual production parts.
Information in this catalog is proprietary to Positronic and its subsidiaries. Positronic believes the data contained herein tobe reliable. Since the technical information is given free of charge, the user employs such information at his own discretion
and risk. Positronic assumes no responsibility for results obtained or damages incurred from use of such information inwhole or in part.

Products described within this catalog may be protectedby one or more of the following US patents:#4,900,261*#6,835,079*#5,255,580#7,115,002

Patented in Canada, 1992

The following trademarks are owned by Positronic Industries, Inc.: Positronic Industries, Inc.®, Positronic®, Connector
Excellence®, P+ logo®, PosiBand®, PosiShop®, Optik-D™, and The Science of Certainty®. The color blue as it appears
on various connectors is a trademark of Positronic Industries, Inc., Registered in U.S. Patent and Trademark Office.

#5,329,697#8,944,697#6,260,268#9,304,263

Other patents pending

Federal Supply Code for Manufacturers
Positronic Industries: 28198
Positronic Industries SAS: FA7Y0
Positronic Asia PTE LTD: QB952

Positronic | Americas

Positronic | EuropePositronic | Asia

Sales Offices1325 N Eldon Ave

46 route d’Engachies

3014A Ubi Rd 1 #07-01

Positronic has local sales

Springfield MO 65803 USAF-32020 Auch Cedex 9 France

Singapore 408703

representation all over the world.

+1 800 641 4054

+33 5 6263 4491

+65 6842 1419

For the nearest sales office visit

info@connectpositronic.com

contact@connectpositronic.com

singapore@connectpositronic.com

www.connectpositronic.com/sales

www.connectpositronic.com

THE SCIENCE OF CERTAINTY4