MS27473E20F35SC(LC) datasheet, PDF

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MS27473E20F35SC(LC): DescriptionCircular MIL Spec Connector PLUG; CategoryThe connector; File Size2MB，36 Pages; ManufacturerAmphenol; Websitehttp://www.amphenol.com/

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MS27473E20F35SC(LC) Overview

Circular MIL Spec Connector PLUG

MS27473E20F35SC(LC) Parametric

Parameter Name	Attribute value
Product Attribute	Attribute Value
Manufacturer	Amphenol
Product Category	Circular MIL Spec Connector

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MIL-DTL-38999, Series II JT

MIL-DTL-38999, Series I LJT

Amphenol

Aerospace

Features & Benefits

Amphenol

LJT and JT Series subminiature cylindrical

connectors are qualified to MIL-DTL-38999*, Series I

and II respectively. These connectors were developed

to meet the needs of the aerospace industry, and

provided the impetus for development of the

MIL-C-38999 specifications, which has been

superseded by MIL-DTL-38999. Meeting or exceeding

MIL-DTL-38999 requirements, Amphenol

JT/LJT

connectors feature:

•

Lightweight, Space Saving Design

Contact Protection -

100% scoop-proof LJT design prevents

bent pins and short circuits during mating

Quick Positive Coupling

- 3 point bayonet lock system

Mismating Eliminated

- with 5 key/keyway design

Error Proof Alternate Positioning

- insured by different key/

keyway locations

EMI Shielding

- grounding fingers standard in LJT Series;

optional in JT Series

Nine Shell Sizes and a Variety of Shell Styles

Contact Options

- size 8, 10, 12, 16, 20, 22M and 22D Crimp,

Solder, PCB, Wire wrap, Coax, Twinax, Triax, Thermocouple,

Fiber Optic and Filter

Fixed Solder Contacts

- Amphenol MIL-DTL-38999 Series I

LJT and II JT, are available in solder versions as both

Commercial and Military qualified to MIL-DTL-27599

Hermetic

- air leakage limited to 1 X 10

-7

per second

optional

“Breakaway” Lanyard Release Style

- available in LJT plugs.

Provides quick disconnect of the connector plug and receptacle

with axial pull on the lanyard. See pages 94-96.

Inventory Support Commonality

- uses standard

MIL-DTL-38999 contacts, insert arrangements and

application tools.

RoHS Compliant Product Available -

Consult Amphenol Aerospace Operations.

38999

MIL-DTL-38999

Series I LJT

Components

Shell components are impact extruded or machined bar stock

aluminum. Standard plating on shell components is cadmium over

nickel. Many finishes are optional (see “Specifications” page 19).

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 electrical character-

istics, 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 sealing between

connector halves. Both features are also available for hermetic

receptacles.

III

Dualok

SJT

ccessories

quacon

erm/Seal

pCB

HigH

Speed

Fiber

Optics

Contacts

Cables

Connectors

eMi Filter

Transient

Matrix 2

Matrix|pyle

26482

83723 iii

Contacts

Maximum design flexibility is built into the JT/LJT Series, with a mini-

mum 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, thermocouple, fiber optic, coaxial, triaxial and twinax

contact options.

26500

5015

pyle

Crimp Rear

Release

Matrix

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

resistance

provided they are mated, and un-grommeted rear faces are

suitably protected.

For complete listing and definition of connector types, shell styles and

service classes, see How to Order, pages 62 & 63. For information on

Fail-Safe Lanyard Release style plugs, see pages 94–96.

22992

Class L

Back-

Shells

Options

Others

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.

MIL-DTL-38999

Series II JT

Contact Amphenol Aerospace for more information at 800-678-0141 • www.amphenol-aerospace.com

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