D20419-121 Datasheet, PDF (8/28 Pages) ITT Industries – D Subminiature Accessories

D Cannon D-Subminiature Accessories
Metal Backshell 45° Exit
The new Cannon Metal Backshells D*FM series for D-Subminiature Connectors offers protection from
magnetic and radio interferences to cable assemblies.
This backshell series is characterized by simple assembly and fit for Industrial and telecom applications.
Product Features:
• No crimp ferrule tooling needed
• Material: Zinc, blue chromated
• Unique metal filled plastic cable strain relief
guarantees 360° shielding
• RoHS compliant
• -40 - +120°C temperature range
• Corrosion resistant
Size 15
Size 50
Metal Backshell
Part Description
With #4-40 UNC
Jackscew
DEFME-100
DAFME-100
DBFME-100
DCFME-100
DDFME-100
Part Description
With M3
Shell
Jackscrew
DEFMX-100
Size
Size 9*
DAFMX-100
Size 15**
DBFMX-100
Size 25**
DCFMX-100
Size 37**
DDFMX-100
Size 50***
A
B
C
D
37,5mm [1.476inch]
41,5mm [1.634inch]
41,5mm [1.634inch]
41,5mm [1.634inch]
45,0mm [1.772inch]
35,5mm [1.398inch]
39,5mm [1.555inch]
53,5mm [2.106inch]
70,0mm [2.756inch]
67,5mm [2.657inch]
14,6mm [0.575inch]
14,6mm [0.575inch]
14,5mm [0.571inch]
14,5mm [0.571inch]
17,4mm [0.69inch]
33,3mm [1.311inch]
47,0mm [1.850inch]
63,5mm [2.500inch]
61,0mm [2.402inch]
*Size 9 Backshell: Kit consists of 1 front shell, 1 rear shell, 4 strain reliefs, 2 mounting crosshead screws, 1 jack screw
**Size 15, 25, 37 Backshell: Kit consists of 1 front shell, 1 rear shell, 4 strain reliefs, 2 mounting crosshead screws, 2 jack screws
***Size 50 Backshell: Kit consists of 1 front shell, 1 rear shell, 1 cable clamp, 4 mounting crosshead screws, 2 jack screws
Cable
Diameter
4 - 9mm
4 - 9mm
4 - 9mm
4 - 9mm
13-16mm
Assembly instructions Size 9, 15, 25, 37
Attenuation curve
Use two halves of strain relief
(different sizes can be mixed)
Strip cable 18mm and shape
cable to two pigtails
Attach the strain relief around
the cable
Bend cable shielding back on
outside of strain relief
Mount connector and cable into
the backshell
Assemble the other half
(screwing force: 100-120 Ncm)
Dimensions shown in mm (inch)
Specifications and dimensions subject to change
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