COPPERCATALOG datasheet(33/56 Pages) AAO

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

Amphenol

Aerospace

Dualok

III

SJT

38999

PCB

Accessories

Herm/Seal

Aquacon

Fiber

Optics

Contacts

Connectors

Cables

HIgH

SPeeD

Center

Conductor

Insulation

Braid

Jacket

Coaxial Contacts for MIL-DTL-38999

General Description

Amphenol® Coaxial Contacts-Offerseveraladvantages

for reliable interconnection and continued performance:

• Large crimping area assures low contact resistance and high

tensile strength

• Back insulator positively captivates inner contact against

axial loads

• Front insulator provides closed entry for socket inner contact

• Recessed inner contact is protected

• Outer contact has rugged wall section for durability

TYPICAL SUBMINIATURE COAX

SOCKET CONTACT has socket outer

contact with a pin inner contact

TYPICAL SUBMINIATURE COAX

PIN CONTACT has pin outer con-

tact with a socket inner contact

MIL-DTL-38999 LJT-R, JT-R, TV-R, SJT-R MS Type,

Coax Size 12 Socket Assembled Contact

MIL-DTL-38999 LJT-R, JT-R, TV-R, SJT-R MS Type,

Coax Size 16 Pin Unassembled Contact

MIL-DTL-38999 LJT-R, JT-R, TV-R, SJT-R MS Type,

Coax Size 8 Pin Assembled Contact

MIL-DTL-38999 LJT-R, JT-R, TV-R, SJT-R MS Type,

Coax Size 8 Socket Unassembled Contact

Cable Illustration - Coax Contact

Coax Contacts are gold plated, crimp termination

Finish of mating contact parts: supplied with 0 000050 min gold over nickel

on mating parts Other finishes are available; consult Amphenol for further

information

Coax Size 12 & 16 Contact Performance:

• Typical VSWR: 1 5:1 maximum up to 700 MHz and 500 MHz

respectively, for properly cabled size 12 and 16 coaxial contacts in the

M38999 Series I, II and III

• Insulation Resistance: 5,000 megohms minimum @ 25°C

• Dielectric Withstanding Voltage:

Size 12: 1,000 VAC Rms @ sea level, 250 VAC Rms @ 50,000 ft

Size 16: 800 VAC Rms @ sea level, 250 VAC Rms @ 50,000 ft

• Contact Resistance: See MIL-C-39029/27, /28, /75, /76, /77, /78

Coax Size 8 Contact Performance:

• Typical VSWR when terminated to specified 50 ohm cable:

1 5:1 maximum up to 3 GHz (excluding 21-033101/2-27)

• Insulation Resistance: 5,000 megohms minimum @ 25°C

• Dielectric Withstanding Voltage:

1,300 VAC Rms @ sea level, 250 VAC Rms @ 50,000 ft

• Contact Resistance: See MIL-C-39029/59, /60

COPPERCATALOG Datasheet(PDF) 33 Page - Amphenol Aerospace Operations

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