10-503140-032 Datasheet, PDF (381/437 Pages) Amphenol Corporation – The Interconnection Leader

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Differential Twinax Contacts, MIL-DTL-38999
Series III, General Description
Amphenol^® Differential Twinax Contacts -
Offer several advantages for high data transfer rates, low power
consumption and excellent EMI compatibility:
• Two strategically spaced inner contacts form two 100 or 150 Ohm
matched impedance differential pairs
• Outer contact has rugged wall section for durability
• Available in size 8 crimp termination style
• Also available in size 8 with PC tails (see page 381)
• Requires modification of MIL-DTL-38999 connector to
accommodate keyed contacts
(2) CENTER
CONDUCTORS
BRAID
JACKET
TYPICAL DIFFERENTIAL
TWINAX SOCKET
CONTACT has socket
outer contact with a
socket inner contact
INSULATION
Cable Illustration - Differential Twinax Contact
TYPICAL DIFFERENTIAL
TWINAX PIN CONTACT
has pin outer con­tact with
a pin inner contact
Differential Twinax Socket Contact
Differential Twinax Pin Contact
Differential Twinax Contacts are Gold
plated, Crimp Termination
Finish of mating contacts parts: supplied with
0.000050 min. gold over nickel on mating parts.
Consult Amphenol for availability of
other finishes.
Differential Twinax Size
8 Contact Performance:
• Bandwidth: Up to 3 Gigahertz
• Data Rate: Exceeding 3 Gbits/sec.
• Voltage Rating: 500 Vrms max. @ sea level
• Dielectric Withstanding Voltage:
1000 VAC rms between all inner contacts @
sea level 500 VAC rms between inner and
outer contacts @ sea level
Suggested Numbering for Differential
Twinax Contacts
ORIENTATION
KEY
2
1
PIN CONTACT
MATING FACE
1
2
SOCKET CONTACT
MATING FACE
380 Contact Amphenol Aerospace for more information at 800-678-0141 • www.amphenol-aerospace.com