ARINC 404
DPX
DPXA - Single Shell DPX
DPXA connectors are one-piece shell miniature
rack/panel connectors. The construction offers
high strength and maximum utilization of insert area
for contact arrangements accommodating up to 106
contacts. Shells are keystone-shaped for polar-
ization. Operating temperature for the DPXA is
-54.2˚C to +125˚C (-67˚F to +257˚F).
DPXB - Polarized ARINC Shell
DPXB connectors are DPXA connectors with an
ARINC B shelf. Additional polarization is provided
by three hexagonal polarizing posts.
DPXA-34
DPXB-33
DPX2 - Two Gang DPX Series
DPX2 connectors are the original two-gang versions
of the DPX, and are made of the same materials and
accommodate the same contact arrangements.
Keystone shaped shells accommodate two DPX
inserts with up to 212 contacts. The DPX2 has
three polarizing posts with 99 polarizing positions.
DPX2 - A - ARINC A Shell
DPX2-A connectors are DPX2 connectors with an
ARINC A shell. This shell type has the receptacle
flange placed .344 (8.74) from the front of the
engaging portion of the shell, and short aluminum
alloy polarizing posts permit polarization before
contacts engage.
DPX2-34B
DPX2-33B
DPX2-B - ARINC B Shell
receptacle flange placed .060 (1.52) from the front
of the engaging portion of the shell, and polarizing
posts permit polarization before the shells engage.
DPX2-B connectors supersede the DPX2-A and
have an ARINC B Shell. This Shell type has the
DPX3 - Three Gang DPX Series
DPX3 connectors are three-gang versions of the
DPX, made of the same materials, and accommo-
date the same contact arrangements. The three-
gang version can therefore accommodate up to a
total of 318 in the keystone shaped shells, with
three polarizing posts that are capable of providing
up to 99 polarizing positions.
DPX4 - Four Gang DPX Series
DPX4 connectors are four gang versions of the DPX,
made of the same materials, and can accommodate
four separate arrangements that can total up to
424 contacts. The DPX4 has three polarizing posts
with 99 polarizing positions.
DPX3-34
DPX4-33
DPX*ME - Environmental with LITTLE CAESAR
Contact Assembly
DPX*MA - LITTLE CAESAR' Contact Assembly
DPX*MA connectors are DPX connectors with the
LITTLE CAESAR contact assembly for rear in-
sertion, release, and extraction of crimp type con-
tacts. Insertion requires no tool; extraction requires
an expendable plastic tool. A hard dielectric,
closed-entry socket insert has lead-in chamfers for
positive mating of contacts. Contacts are crimpable
with the M22501 tool.
DPX*ME connectors are DPXMA connectors with
environmental interfacial and grommet seals, and
olive drab shell finish.
Performance and Material Specifications (DPXA/DPXB/DPX*MA/DPX*ME)
DPXA/DPXB/DPX2
Aluminum alloy
Cadmium plate with yellow chromate
Melamine or Phenolic
Copper alloy
Gold
DPX*MA/DPX2*MA/ME
Specifications
QQ- A-591/A380
QQ-P-416
Material
Finish
Aluminum alloy
Shell
Cadmium plate with yellow chromate for MA: olive drab for ME
Material
Material
Finish
Diallyl phthalate or epoxy
Copper alloy
Gold
MIL-M-14
Insulator
QQ-C-533
MIL-G-45204
N/A
Contacts
Termination
Material
Finish
Solder Pot
Crimp
Die Cast
Die cast
Polarizing Posts
Cadmium
Cadmium
Steel
QQ-P-416
QQS-630-637
QQ-P-416
N/A
Material
Finish
Steel
Screws & Lockwashers
Cadmium Plate
N/A
Cadmium plate
Silicone
Material
Seals
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