DM51155 datasheet(203/301 Pages) ITT

203 / 301 page

Dimensions are shown in mm (inch)

Dimensions subject to change

202

D Subminiature Accessories

EMI Shielded Backshell

Die Cast Zinc Metal Backshell

Straight Exit

Die cast metal backshells reduce EMI/RFI

emissions.

Die cast metal backshells offer improved shielding

in a rugged package.

Product Features

Improves conformance to FCC DOC #20780

shielding requirements

No crimp ferrule tooling needed

Kit consists of 1 front shell, 1 rear shell,

2 screws, 2 hex nuts, 2 mounting screws,

2 end brackets, 1 set of compression inserts

(see this page)

Attenuation

Ø E

Shell

Size Layout

Part

Number

±0,13 (.005)

X E

±0,13 (.005)

980-2000-345 31,12 (1.225)

37,21 (1.465)

15,75 (.620)

10,16 (.400)

24,99 (.984)

980-2000-346 39,12 (1.540)

40,64 (1.600)

15,75 (.620)

10,16 (.400)

33,32 (1.312)

980-2000-347 53,09 (2.090)

39,37 (1.550)

17,53 (.690)

15,75 (.620)

13,34 (.525)

47,17 (1.857)

980-2000-348 69,34 (2.730)

45,72 (1.800)

21,95 (.864)

15,75 (.620)

18,44 (.726)

63,50 (2.500)

980-2000-349 66,70 (2.626)

45,72 (1.800)

21,95 (.864)

18,54 (.730)

18,44 (.726)

61,11 (2.406)

Compression Inserts (Included With Die Cast Zinc Metal Backshell)

Compression inserts accommodate a wide variety

of cable sizes.

9 and 15 Position*

* Inserts may be supplied mirror image

25 Position*

37 and 50 Position*

Position

O.D.

I.D.

O.D.

I.D.

O.D.

I.D.

O.D.

I.D.

O.D.

I.D.

O.D.

I.D.

9, 15

12,07 (.475)

8,13 (.320)

9,14 (.360)

8,00 (.315)

9,14 (.360)

6,48 (.255)

9,14 (.360)

7,24 (.285)

9,14 (.360)

5,33 (.210)

—

15,24 (.600)

11,43 (.450)

10,41 (.410)

11,43 (.450)

9,40 (.370)

11,43 (.450)

7,62 (.300)

11,43 (.450)

5,84 (.230)

—

37, 50

16,64 (.655)

14,48 (.570)

17,78 (.700)

15,75 (.620)

20,57 (.810)

16,51 (.650)

16,64 (.655)

12,70 (.500)

16,64 (.655)

10,80 (.425)

16,64 (.655)

8,89 (.350)

Position

Cable Diameter

9, 15

.190/.350

.190/.460

37, 50

.300/.680

Materials and Finishes

Backshell Material:

Zinc

Backshell Finish:

Clear Zinc

Compression Inserts:

PVC

Hardware Material:

Steel

Hardware Finish:

Clear Zinc

Specifications

Attenuation:

–50 dB @ 1000 MHz

Temperature Range:

–20

° C to 80° C

9 and 15 Position

25 Position

37 and 50 Position

Diecast Shell Shielding Performance

Mhz

-10

-20

-30

-40

-50

-60

-70

100

1,000

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