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Amphenol Aerospace

Twinax Contacts


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FEATURES AND BENEFITS

  • Provides protection from magnetic and electrostatic interference including nuclear electromagnetic pulse
  • Maintains shield integrity through a multi-pin cylindrical connector and does not require contact polarization within the insert
  • 175ºC rated and meets performance levels of MIL-DTL-38999 Series III connectors
  • MIL-C-17/176-00002 cable termination
  • Gold plated full crimp termination contacts qualified to M39029/90 & /90
  • Integral part of the MIL-STD-1760 interconnection system
  • Also available in modified by intermateable versions for termination to a host of cables
Size 8 Concentric Twinax Contact Electrical Performance

  • Voltage Rating: 500 Vrms max. @ sea level
  • Contact Resistance:
    • Center @ 1 Amp, 55 millivolts max. voltage drop @ 25ºC
    • Intermediate @ 1 Amp, 55 millivolts max. voltage drop @ 25ºC
    • Outer @ 12 Amps, 75 millivolts max. voltage drop @ 25ºC
  • Operating Frequency: 0-20 MHz
  • Dielectric Withstanding Voltage:
    • Center to Intermediate: 1000 VAC Rms @ sea level
    • Intermediate @ 1 Amp, 55 millivolts max. voltage drop @ 25º C
    • Operating Frequency: 0-20 MHz
  • Dielectric Withstanding Voltage:
    • Center to Intermediate: 1000 VAC Rms @ sea level
    • Intermediate to Outer: 500 VAC Rms @ sea level
OVERVIEW

High performance connectors within the D38999 families are the most commonly used connectors for incorporation of twinax contacts. These connectors offer wide versatility in insert arrangements for not only concentric twinax contacts, but also coax, triax, PCB, wire wrap, thermocouples and EMI filter contacts.

The size 8 concentric twinax contact was developed for use in MIL-STD-1553 Airborn multiplex data bus applications, which require high performance, interconnect characteristics in multi-pin connectors. Ideal for this application need is the high performance Tri-Start connector with its fully scoop-proof feature of recessed pins. The concentric twinax contact is crimp terminable to twisted shielded cable

 


NEW 2010 - High Speed Contacts -Section of 12-C3

New "Split-Pair" Quadrax Contacts for MIL-DTL-38999, Series 111 - PDS-219

NEW 2010 - Printed Circuit Board - Section of 12-C3

Micro D-Twinax Transition Adapters-PDS-215

HF38999 High Frequency Contact - Catalog SL-400

Amphenol Press Fit Connectors for Printed Circuit Boards Applications

High Speed/High Frequency Contacts - Catalog 12-130

NEW 2010 Circular Interconnects Catalog - All sections - 12-C3
 

 


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