Dimensions are shown in mm (inch)

Dimensions subject to change

201

D Subminiature Accessories EMI Shielded Backshell

Locking Hardware for Snap-Together EMI Shielded Backshell

Recessed Jackscrew Extended Jackscrew Thumbscrew

#4-40

THREADS

13,50(.531)

4,50

(.177)

Ø 4,50

(.177)

6,00

(.236)

MIN

9,00

(.354)

4,30

(.169)

6,00

(.236)

MIN

Ø 4,10

(.161)

THREADS

19,00(.748)

9,00

(.354)

Part Number: 250-8501-004

Material: Brass

Finish: Nickel

Quantity Required

per Connector: 2

Part Number: 250-8501-009 (M3)

250-8501-010 (#4-40)

Material: Brass

Finish: Nickel

Quantity Required

per Connector: 2

Part Number: 250-8501-013

Material: Brass

Finish: Nickel

Quantity Required

per Connector: 2

Jackpost for In-Line Connections

Rectangular Nut Jackpost

Jackpost Assembly

3,00 (.118)

MIN

5,00

(.197)

#4-40 UNC-2B

#4-40 UNC-2A

6,00

(.236)

4,90 (.193)

11,00

(.433)

(ACROSS FLATS)

Part Number: D121073-19

Material: Brass

Finish: Nickel

Quantity Required

per Connector: 2

ɀ Assembly consists of 1 rectangular nut,

1 jackpost, 1 #4-40 lock washer.

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

ɀ Improves conformance to FCC DOC #20780

shielding requirements

ɀ No crimp ferrule tooling needed

ɀ 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

54 2

Shell

Size Layout

Part

Number

±0,13 (.005)

X E

±0,13 (.005)

DE 9 980-2000-345 31,12 (1.225) 37,21 (1.465) 15,75 (.620) 15,75 (.620) 10,16 (.400) 24,99 (.984)

DA 15 980-2000-346 39,12 (1.540) 40,64 (1.600) 15,75 (.620) 15,75 (.620) 10,16 (.400) 33,32 (1.312)

DB 25 980-2000-347 53,09 (2.090) 39,37 (1.550) 17,53 (.690) 15,75 (.620) 13,34 (.525) 47,17 (1.857)

DC 37 980-2000-348 69,34 (2.730) 45,72 (1.800) 21,95 (.864) 15,75 (.620) 18,44 (.726) 63,50 (2.500)

DD 50 980-2000-349 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*

#1 #2 #3 #4 #5 #6

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) — —

25 15,24 (.600) 11,43 (.450) 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

25 .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

Dimensions are shown in mm (inch)

Dimensions subject to change

203

D Subminiature Accessories Metal Backshell

Metal Backshell

Metal Backshells provide strain relief.

Various profiles available for different cable routing

requirements.

Deep Straight Clamp

CABLE

ENTRY

2X Ø 3,45

(.136)

CABLE

ENTRY

0,38

± ,013

(.015 ± .005)

H MAX

D MAX

Ø D MAX

CABLE ENTRY

2X Ø 3,05

(.120)

0,38

± 0,13

(.015 ± .005)

Shell

Size Layout

Part

Number

Mil Spec

Part Number

±0,38 (.015)

±0,572 (.0225)

±0,13 (.005)

max.

±0,38 (.015)

max.

DE 9 DE24657 M85049/48-1-1 30,56 (1.203) 12,484 (.4915) 24,99 (.984) 14,68 (.578) 9,53 (.375) 9,53 (.375) 19,05 (.750) 31,75 (1.250)

DA 15 DA24658 M85049/48-1-2 38,89 (1.531) 12,484 (.4915) 33,32 (1.312) 14,68 (.578) 18,11 (.713) 7,93 (.312) 19,05 (.750) 31,75 (1.250)

DB 25 DB24659 M85049/48-1-3 52,78 (2.078) 12,484 (.4915) 47,04 (1.852) 14,68 (.578) 25,40 (1.000) 7,93 (.312) 25,40 (1.000) 39,70 (1.563)

DC 37 DC24660 M85049/48-1-4 69,04 (2.718) 12,484 (.4915) 63,50 (2.500) 14,68 (.578) 34,93 (1.375) 7,93 (.312) 25,40 (1.000) 39,70 (1.563)

DD 50 DD24661 M85049/48-1-5 66,68 (2.625) 15,253 (.6005) 61,11 (2.406) 17,45 (.687) 35,71 (1.406) 10,31 (.406) 28,57 (1.125) 42,88 (1.688)

Round Cable Clamp

Shell

Size Layout

Part

Number

Mil Spec

Part Number

±0,38 (.015)

±0,13 (.005)

X D

max.

±0,38 (.015)

±0,76 (.030)

DE 9 DE44994 M85049/48-2-1 30,68 (1.208) 12,70 (.500) 24,99 (.984) 10,31 (.406) 16,79 (.661) 3,18 (.125) 26,18 (1.031)

DA 15 DA20961 M85049/48-2-2 38,89 (1.531) 12,70 (.500) 33,33 (1.312) 10,31 (.406) 24,99 (.984) 3,18 (.125) 26,18 (1.031)

DB 25 DB20962 M85049/48-2-3 52,78 (2.078) 12,70 (.500) 47,04 (1.852) 15,06 (.593) 38,48 (1.515) 4,75 (.187) 26,98 (1.062)

DC 37 DC20963 M85049/48-2-4 69,04 (2.718) 12,70 (.500) 63,50 (2.500) 18,23 (.718) 55,14 (2.171) 6,35 (.250) 26,98 (1.062)

DD 50 DD20964 M85049/48-2-5 66,68 (2.625) 15,47 (.609) 61,11 (2.406) 20,62 (.812) 53,16 (2.093) 7,92 (.312) 26,98 (1.062)

Product Features

ɀ Qualified to MIL-Spec M85049

Materials and Finishes

Backshell Material: Low Carbon Steel

Finish: Yellow Chromate over

Cadmium

Hardware Material: Steel

ɀ Kit consists of 1 shell, 2 cable clamps,

2 screws, 2 hex nuts

ɀ Kit consists of 1 shell, 2 screws, 2 hex nuts

Part #	DE121073-54
Description	Connector Accessories CopperAlloy EMI Shielded Backshell
Category	BACKSHELL
Availability	In Stock
Qty	2

DE121073-54

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Technical Document