D38999/26WJ35PN Amphenol, D38999/26WJ35PN Datasheet - Page 42

• Manufacturer Part Number: D38999/26WJ35PN
• Description: Circular MIL / Spec Connectors 128P SIZE 25 STRAIGHT PLUG PIN
• Manufacturer: Amphenol
• Series: 38999 Seriesr

Specifications of D38999/26WJ35PN

• Mil Type: MIL-DTL-38999 III
• Product Type: Connectors
• Contact Style: Pin (Male)
• Shell Style: Plug
• Shell Size: 25
• Number Of Contacts: 128
• Insert Arrangement: 25-35
• Mating Style: Threaded
• Mounting Style: Cable
• Termination Style: Crimp
• Shell Plating: Cadmium over Aluminum
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

MIL-DTL-38999, Series I LJT & II JT
Features and Benefits
Amphenol
connectors are qualified to MIL-DTL-38999*, Series I and II
respectively. These con nectors were developed to meet the
needs of the aerospace industries, and provided the impetus
for development of the MIL-C-38999 specifications, which
recently were superseded by MIL-DTL-38999. Meeting or
exceeding MIL-DTL-38999 requirements, Amphenol
connectors feature:
• Lightweight, Space Saving Design
• Contact Protection - 100% scoop-proof LJT design prevents
• Quick Positive Coupling - 3 point bayonet lock system
• Mismating Eliminated - with 5 key/keyway design
• Error Proof Alternate Positioning - insured by different key/
• EMI Shielding - grounding fingers standard in LJT Series;
• Nine Shell Sizes and a Variety of Shell Styles
• Contact Options - size 8, 10, 12, 16, 20, 22M and 22D
• Fixed Solder Contacts - Amphenol MIL-DTL-38999
• Hermetic - air leakage limited to 1 X 10
• “Breakaway” Lanyard Release Style - available in LJT
• Inventory Support Commonality - uses standard
• RoHS Compliant Product Available -
Where proof of high reliability and lot control is required, MS approved
equivalents to most proprietary JT and LJT connectors are available.
* MIL-DTL-38999 Series I supersedes MIL-C-38999 Series I.
MIL-DTL-38999 Series II supersedes MIL-C-38999 Series II.
bent pins and short circuits during mating
keyway locations
optional in JT Series
Crimp, Solder, PCB, Wire wrap, Coax, Twinax, Triax,
Thermocouple, Fiber Optic and Filter
Series I LJT and II JT, are available in solder versions as both
Commercial and Military qualified to MIL-DTL-27599
second optional
plugs. Provides quick disconnect of the connector plug and
receptacle with axial pull on the lanyard. See pages 35-40.
MIL-DTL-38999 contacts, insert arrangements and
application tools.
Consult Amphenol Aerospace Operations.
®
LJT and JT Series subminiature cylindrical
Contact Amphenol Aerospace for more information at 800-678-0141 • www.amphenol-aerospace.com
-7
cm
3
per
®
JT/LJT
Components
Shell components are impact extruded or machined
bar stock aluminum. Standard plating on shell com-
ponents is cadmium over nickel. Many finishes are
optional (see “Specifications” page 16). Hermetic seal
receptacles are available in carbon steel or stainless
steel shells. Dependable 5 key/keyway polarization
with bayonet lock coupling is incorporated to aid and
assure positive mating.
Insert material is a rigid dielectric with excellent elec-
trical characteristics, providing durable protection for
molded-in solder type contacts. Contrasting letter or
number designations are used on insert faces.
A fluorinated silicone interfacial seal wafer is featured
on the mating face of “crimp type pin” inserts. This
assures complete electrical isolation of pins when
connector halves are mated. In addition, a main joint
gasket is installed in the receptacle for moisture seal-
ing between connector halves. Both features are also
available for hermetic receptacles.
Contacts
Maximum design flexibility is built into the JT/LJT
Series, with a minimum of 2 to a maximum of 128
circuits per connector in a wide variety of contact
arrangements. Contacts are available in sizes 8,
10, 12, 16, 20, 22, 22D and 22M with standard 50
micro inch minimum gold plating (100 micro inches
optional). All socket contacts are probe proof. Crimp
type rear removable contacts are featured in JT-R
and LJT-R connectors. Solder termination contacts
are also available, as well as PCB, wire wrap, ther-
mocouple, fiber optic, coaxial, triaxial and twinax
contact options.
Optional Features
High temperature capability of 392°F is available
only in JTS or LJTS crimp type connectors. High
temperature versions feature gold plated contacts,
high temperature shell plating, stainless steel
coupling nut spring, and epoxy inserts/fluorinated
silicone grommet combination. Standard temperature
capability for both solder and crimp is 302°F.
The JTN or LJTN type connectors are available
for N
un-grommeted rear faces are suitably protected.
For complete listing and definition of connector
types, shell styles and service classes, see How to
Order, page 42. For information on Fail-Safe Lanyard
Release style plugs, see pages 72-73.
2
O
4
resistance provided they are mated, and
Amphenol
Aerospace
41