M39029/77-428 Amphenol, M39029/77-428 Datasheet - Page 19
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M39029/77-428
Manufacturer Part Number
M39029/77-428
Description
Circular MIL / Spec Connectors MIL-DTL-38999 I, III, IV Contact
Manufacturer
Amphenol
Datasheet
1.M39029102-558.pdf
(55 pages)
Specifications of M39029/77-428
Product Type
Contacts
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
M39029/77-428
Manufacturer:
AMP
Quantity:
192
Differential Twinax Contacts for MIL-DTL-38999,
Series III Cylindricals
general description
Amphenol
several advantages for high data transfer rates, low power
consumption and excellent EMI compatibility:
•
•
•
•
•
Differential Twinax Socket Contact
Differential Twinax Pin Contact
Cable Illustration - Differential Twinax Contact
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 16)
Requires modification of MIL-DTL-38999 connector to
accommodate keyed contacts
(2) CENTER
CONDUCTORS
INSULATION
®
Differential Twinax Contacts
BRAID
JACKET
- offer
TYPICAL DIFFERENTIAL
TWINAX SOCKET
CONTACT has socket
outer contact with a
socket inner contact
TYPICAL DIFFERENTIAL
TWINAX PIN CONTACT has
pin outer con tact with a
pin inner contact
15
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:
•
•
•
•
Suggested Numbering for Differential
Twinax Contacts
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
PIN CONTACT
MATING FACE
2
1
ORIENTATION
KEY
SOCKET CONTACT
MATING FACE
1
2