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Amphenol JT/LJT Subminiature

Cylindrical Connectors

12-090-18

Amphenol JT Connectors

MIL-DTL-38999 Series II Crimp and

MIL-C-27599 Series II Solder

Amphenol LJT Connectors

MIL-DTL-38999 Series I Crimp and

MIL-C-27599 Series I Solder

Amphenol

Table of Contents

Description

Page

Amphenol

JT/LJT General Information ............................................................................... 1

JT/LJT - The subminiature cylindrical for every application ................................................. 2

JT/LJT - Specifications ......................................................................................................... 3

JT/LJT - Insert availability and identification; alternate positioning .................................. 4, 5

JT/LJT - Insert availability and identification ........................................................................ 6

JT/LJT - Insert arrangements ....................................................................................... 7 – 11

JT - Crimp, JT00R (MS27472) wall mounting receptacle .................................................. 12

JT - Crimp, JTPQ00R (MS27497), wall mounting receptacle, back panel mounting ........ 13

JT - Crimp, JT01R, line receptacle ..................................................................................... 14

JT - Crimp, JT02R (MS27499), box mounting receptacle ................................................. 15

JT - Crimp, JTP02R (MS27508), box mounting recept., back panel mounting ................. 16

JT - Crimp, JT06R (MS27473), straight plug ..................................................................... 17

JT - Crimp, JTG06R (MS27484), straight plug with grounding fingers .............................. 18

JT - Crimp, JT07R (MS27474), jam nut receptacle ........................................................... 19

JT - Crimp, JTL07R, jam nut receptacle, miniature jam nut mounting dimensions ........... 20

JT - Crimp, JT08R (MS27500), 90° plug ............................................................................ 21

JT - Hermetic, JT00 (MS27475), wall mounting receptacle ............................................... 22

JT - Hermetic, JT02 (MS27476), box mounting receptacle ............................................... 23

JT - Hermetic, JT07 (MS27477), jam nut receptacle ......................................................... 24

JT - Hermetic, JTI (MS27478), solder mounting receptacle .............................................. 25

JT - Accessories, plug protection cap ................................................................................ 26

JT - Accessories, receptacle protection cap ...................................................................... 27

JT - Accessories, strain relief (crimp type) ......................................................................... 28

LJT - Crimp, LJT00R (MS27466) wall mounting receptacle .............................................. 29

LJT - Crimp, LJTPQ00R (MS27656) wall mounting receptacle, back panel mounting ..... 30

LJT - Crimp, LJT01R line receptacle .................................................................................. 31

LJT - Crimp, LJT02R (MS27496) box mounting receptacle .............................................. 32

LJT - Crimp, LJTP02R (MS27505) box mounting receptacle, back panel mounting ........ 32

LJT - Crimp, LJT06R (MS27467) straight plug .................................................................. 33

LJT - Crimp, LJT07R (MS27468) jam nut receptacle ........................................................ 34

LJT - Hermetic, LJT00 (MS27469) wall mounting receptacle ............................................ 35

LJT - Hermetic, LJT07 (MS27470) jam nut receptacle ...................................................... 36

LJT - Hermetic, LJTI (MS27471) solder mounting receptacle ........................................... 37

LJT - Accessories, plug protection cap .............................................................................. 38

LJT - Accessories, receptacle protection cap .................................................................... 39

LJT - Accessories, strain relief (solder type) ...................................................................... 40

JT/LJT - Crimp contacts, printed circuit board, wire wrap contacts (sockets) ................... 41

LJT - Printed circuit board, wire wrap contacts (sockets) .................................................. 42

JT/LJT - Printed circuit board, wire wrap contacts (pins) ................................................... 43

JT/LJT - Accessories, Universal “Header Assembly” for flex print or PCB mounting .. 44, 45

JT/LJT - Thermocouple contacts, plastic protection caps, sealing plugs .......................... 46

JT/LJT - Application tools ................................................................................................... 47

JT/LJT - Solder contact connectors ................................................................................... 48

JT/LJT - How to Order ........................................................................................................ 49

Specials - JT/LJT Connectors Types - Filter, Aquacon, Breakaway/Quick Disconnect ..... 50

Specials - JT/LJT Ground Plane Connectors ..................................................................... 51

Sales Office and Distributor Listing .................................................................................... 52

NOTE:

The connector products in this brochure were formerly known as Bendix

products. These products are now manufac-

tured and sold under the Amphenol

brand name. The name “Amphenol” will replace the name “Bendix” on products and

literature in the future.

MS Number

Page

MS20047 ............................... 39

MS20048 ............................... 38

MS27352 ............................... 26

MS27353 ............................... 27

MS27466 ............................... 29

MS27467 ............................... 33

MS27468 ............................... 34

MS27469 ............................... 35

MS27470 ............................... 36

MS27471 ............................... 37

MS27472 ............................... 12

MS27473 ............................... 17

MS27474 ............................... 19

MS27475 ............................... 22

MS27476 ............................... 23

MS27477 ............................... 24

MS27478 ............................... 25

MS27479 ............................... 12

MS27482 ............................... 22

MS27483 ............................... 24

MS27484 ............................... 18

MS27488 ............................... 44

MS27496 ............................... 32

MS27497 ............................... 13

MS27499 ............................... 15

MS27500 ............................... 21

MS27501 ............................... 38

MS27502 ............................... 39

MS27503 ............................... 25

MS27505 ............................... 32

MS27506-2 ........................... 28

MS27508 ............................... 16

MS27510 ............................... 26

MS27511 ............................... 27

MS27656 ............................... 30

See Amphenol catalogs on-line at: www.amphenol-aerospace.com

Amphenol Aerospace is a Certified ISO 9001 Manufacturer

Amphenol

JT/LJT

high reliability and high contact density

with maximum weight and space savings

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 industries, and provided the

impetus for development of the MIL-C-38999 specifica-

tions, which recently were superseded by MIL-DTL-38999.

Meeting or exceeding MIL-DTL-38999 requirements, Am-

phenol

JT/LJT connectors feature:

Amphenol

JT Connector

• 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

- per MIL-C-27599 (see page 52

and Amphenol Product Data Sheet 158)

• 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

38-41.

• Inventory Support Commonality

- uses standard MIL-

DTL-38999 contacts, insert arrangements and applica-

tion tools.

•

RoHS Compliant Product Available -

pheno

Consult Amphenol Aerospace Operations.

002

Amphenol

LJT Connector

For additional information on Amphenol JT/LJT connectors,

or for special application requirements, contact your local sales

office or:

Amphenol Corporation

Amphenol Aerospace

40 – 60 Delaware Avenue, Sidney, NY 13838-1395

Telephone: 607-563-5011 Fax: 607-563-5157

www.amphenol-aerospace.com

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.

JT/LJT

the subminiature cylindrical

for every application

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 3). Hermetic seal

receptacles are available in carbon steel or stain-

less steel shells. Dependable 5 key/keyway polar-

ization 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 let-

ter or number designations are used on insert faces.

A fluorinated silicone interfacial seal wafer is fea-

tured 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.

Wall

Mounting

Receptacle

Wall

Mounting

Receptacle

Box

Mounting

Receptacle

Line

Receptacle

Straight

Plug

Jam

Nut

Receptacle

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.

Jam Nut

Receptacle

Straight

Plug

90° Plug

Solder

Mounting

Receptacle

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 cou-

pling nut spring, and epoxy inserts/fluorinated sili-

cone grommet combination. Standard temperature

capability for both solder and crimp is 302°F.

The JTN or LJTN type connectors are available for

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, page 53. For information on Fail-Safe Lan-

yard Release style plugs see pages 38-41.

Lanyard

Release

Plug

Solder

Mounting

Receptacle

JT/LJT

specifications

CONTACT RATING

Test Current

Contact

Size

22M

Solder &

Crimp

Hermetic

Maximum

Millivolt Drop

Crimp*

Maximum

Millivolt Drop

Solder*

Hermetic*

Contact

Size

22M

22D

7.5

10 (Power)

Crimp Well Data

Well

Nominal

Diameter

Well Depth

.028 ±.001

.0345 ±.0010

.0365 ±.0010

.047 ±.001

.067 ±.001

.100 ±.002

.137 ±.002

.141

.209

.355

+.004

–.000

+.004

.044

–.004

+.000

.078

–.004

.116 +.004

–.002

.036

.094

.125

.141

Solder Well Data

Well

Nominal

Diameter

Well Depth

.029

+.004

–.000

* 10 (Power)

When tested using silver plated wire.

SERVICE RATING**

Service

Rating

Suggested Operating Voltage

(Sea Level)

AC (RMS)

400

300

600

900

500

450

850

1250

Test Voltage

(Sea Level)

1300 VRMS

1000 VRMS

1800 VRMS

2300 VRMS

Test Voltage

50,000 ft

550 VRMS

400 VRMS

600 VRMS

800 VRMS

Test Voltage

70,000 ft

350 VRMS

260 VRMS

400 VRMS

500 VRMS

Test Voltage

110,000 ft

200 VRMS

** Please note that the establishment of electrical safety factors is left entirely in the designer’s hands, since he is in the best position to know what peak voltage,

switching

surges, transients, etc. can be expected in a particular circuit.

FINISH DATA

Aluminum Shell Components Non-Hermetic

Suffix

Finish

Cadmium Plated Nickel Base

Anodic Coating (Alumilite)

Chromate Treated (Iridite 14-2)

Olive Drab Cadmium Plate Nickel Base

Electroless Nickel

MS (B)

MS (F)

Military

MS (A)

MS (C)

Proprietary

–

(005)

(011)

(014)

(023)

Indicated Finish Standard for

JT Types Listed Below

JT/JTG/JTL/JTP

JTS/JTPS/JTLS

JTN/JTPN/JTLN

Indicated Finish Standard for

LJT Types Listed Below

LJT/LJTP

LJTPS/LJTS

LJTN/LJTPN

Hermetic Connectors

Suffix

Material/Finish

Carbon Steel Shell

Tin Plated Shell and Contacts

Carbon Steel Shell

Tin Plated Shell and Gold Plated Contacts

Stainless Steel Shell

Gold Plated Contacts

MS (D)

MS (E)

(162)

JTS( )Y

JTLS( )Y

LJTS( )Y

Military

Proprietary

Indicated Finish Standard for

JT Types Listed Below

JT( )H/JT( )Y

JTL( )H/JTL( )Y

Indicated Finish Standard for

LJT Types Listed Below

LJT( )Y/LJT( )H

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瑞光康泰CEO周裕清谈如何攻坚电子血压计市场

九年时间，周裕清打完了“从激光类设备到脉搏波血压计”和“从脉搏波血压测量原理到隧道型血压计”两场战役。准确来说，他进入医疗器械领域已经近20年的时间，在这期间，他实现了对自己“掌握核心技术才能掌握议价权”的承诺。从集成电路行业到涉入医疗器械领域，他发现“艰难”之处 “我是91年从华中科技大学毕业，之后便进入台湾人经营的集成电路企业。适逢90年代台湾企业开拓大陆市场，此前的工作经验让我积累了一定...[详细]
SiGe半导体推出业界最小的全球导航卫星系统接收器

微型软件式无线电 IC 为手机提供导航功能 SiGe 半导体公司 (SiGe Semiconductor) 宣布推出世界上最小的全球导航卫星系统 (Global Navigation Satellite System, GNSS) 接收器 IC ，适用于手机、蜂窝电话、个人导航设备 (PND) 和个人数字助理产品 (PDA) 。 ...[详细]