Amphenol
Circular Interconnects
MIL-C-38999
Series I
Features
• Lightweight Space-saving design
• Durability – 500 cycles
• EMI Shielded
• 100% Scoop-proof
LJT Series Bayonet Coupled Crimp Circular Connectors
Specifications
Operating Temperature
Current Rating
Contact Size 20
Contact Size 16
Voltage Rating (sea level)
Service Rating I
Service Rating II
– -55ºC up to 200ºC
– 7.5A
– 13A
– 600VAC(rms)
– 900VAC(rms)
Tooling
Crimp Tool
Positioner
Insert/Remove*
Insert/Remove*
– M22520/1-01
– M22520/1-04
– M81969/14-03**
– M81969/14-10***
* Plastic Tool ** For Size 16 Contacts. *** For Size 20 Contacts
Customer Options
Shell sizes
Contact arrangements
Circuit sizes
–9
– 100+
– 1 to 128
Related Information
Detailed catalogue – 12-090-14
Solder, PCB, Wire Wrap, Coax, Fiber & Filter optional
Part Number System:
(refer to Part Number Make-up for assistance – opposite)
LJT XX XX-XX-X X X (X)
CONNECTOR TYPE
LJT: Standard Mil-C-38999 I
High Temperature, Chemical & Fuel
Resistant versions available upon request
Part Number
Make-up
LJT00…
DEVIATIONS
Finish
Cadmium Plated Ni Base
Olive Drab Cadmium
Plated, Ni Base
Electroless Ni
Anodic Coating (Alumilite)
Chromate treated (Iridite
14-2)
Suffix
W/SR
Suffix
(SR)
(386)
(424)
(300)
(344)
Wall Mount Receptacle
Part Number
Make-up
LJT01RE-…
LTJ01A-…
(014)
(023)
(005)
(011)
SHELL STYLE
00: Wall Mount Receptacle
01: Line Receptacle
02: Box Mount Receptacle
06: Straight Plug
07: Jam-Nut Receptacle
08: 90º Plug
(AAO)
I: Solder Mount Rec. (Hermetic only)
SERVICE CLASS
RP: Potting Boot + Grommet
RE: Environmental Sealed
Can add SR
RT: Environmental w/o rear Accessory
Y: Hermetically Sealed
A: Fixed Solder Contacts
(LTD only)
For Cadmium-free Zinc Cobalt plating consult representative
SR = Strain Relief
ALTERNATE KEYING
Blank: Normal Position
See detailed catalogue for variations
Line Receptacle
Part Number
Make-up
LJT02RE-…
LTJ02A-…
Cannot add SR
CONTACT STYLE
P: Pins
S: Sockets
INSERT ARRANGEMENTS
See Insert Arrangement Table
(page
D-12
and
D-13)
Box Mount Receptacle
Part Number
Make-up
LJT07…
SHELL SIZE
See Insert Arrangement Table
(page
D-12
and
D-13)
Part Number
Make-up
LJT06…
Jam Nut Receptacle
LJT Accessories – Cable Clamp for Crimp type Housing
(if ordered separately to connector)
Part Number System:
Finish
(-XX9 standard)
Diagram
Chromate Treat
-XX0
10-405982-XXX
SHELL SIZE
9/11/13/15/17/19/21/23/25
FINISH
See adjacent table
Anodic Coating
Cadmium Plated Nickel Base
Olive Drab, Cadmium, Nickel Base
Electroless Nickel
Finish
Type
-XX5
-XX7
-XX9
-XXG
Straight Plug
MS Part Numbering System:
LJT Accessories – Heat Shrinkable Backshells (shielded)
Part Number:
ABK A-WAR-X
ABK A-WBR-X
ABK A-WCR-X
ABK A-WDR-X
ABK A-WER-X
ABK A-WFR-X
ABK A-WGR-X
ABK A-WHR-X
ABK A-WJR-X
Shell
Size
9
11
13
15
17
19
21
23
25
Backshell Configuration (-X)
-1
-2
-3
Diagram
Olive
Drab
Cadmium
Shielded
Alternatives: Unshielded Replace R with U, Electroless Nickel replace W with F.
LJT Accessories - Caps
Part Numbers:
Shell
Size
9
11
13
15
17
19
21
23
25
Diagram
Cap & Chain for Plugs
Cadmium Plate, Ni Base
Chain length
Cap & Chain for Receptacle
Cadmium Plate, Ni Base
Right Angle
Straight
45º
Chain length
10-421399-099
10-421399-119
10-421399-139
10-421399-159
10-421399-179
10-421399-199
10-421399-219
10-421399-239
10-421399-259
76.2mm
88.9mm
101.6mm
10-427406-099
10-427406-119
10-427406-139
10-427406-159
10-427406-179
10-427406-199
10-427406-219
10-427406-239
10-427406-259
76.2mm
88.9mm
Contact Variations:
101.6mm
See page
D-13
for a list
of PINS, SOCKETS,
COAX and POWER
contacts available.
Alternate Cap finishes (Replace last digit): 0=Chromate, 5=Anodic, G=Electroless Ni
Connectors individually packaged with crimp contacts (bulk contacts available) and insert/extract tool.
ASF/LTD/AAO
D-10
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