M39029/77-428 Amphenol, M39029/77-428 Datasheet - Page 22

• Manufacturer Part Number: M39029/77-428
• Description: Circular MIL / Spec Connectors MIL-DTL-38999 I, III, IV Contact
• Manufacturer: Amphenol

Specifications of M39029/77-428

• Product Type: Contacts
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Quadrax Transition Adapters and
Differential Twinax Transition Adapters
general description
Amphenol
launching of controlled impedance signals to printed circuit boards.
Amphenol provides transition adapters in both contact types:
•
•
90° Quadrax Receptacle and Plug Transition Adapter
90° Differential Twinax Receptacle and Plug Transition Adapter
TRANSITION ADAPTER DATA
Finish of mating contact parts: Contacts are sup plied gold plated per
ASTM B488 Type II, Code C, .000050 min. thick over nickel plate per
AMS-QQ-N-290, Class 2, .000030/.000150 thick.
Suggested Numbering for Transition Adapters with
Quadrax Contacts
Quadrax transition adapters, 90° or straight receptacles
threaded or cable to board style
Differential twinax transition adapters, 90° or straight receptacles,
threaded or cable to board style
TRANSITION ADAPTER
MATING FACE
2
1
®
PLUG
Transition Adapters
4
3
ORIENTATION
KEY
TRANSITION ADAPTER
90° RECEPTACLE
MATING FACE
4
3
- are used to facilitate
1
2
18
† Consult Amphenol Aerospace for current release of this adapter.
††Test reports available for indicated protocols; consult Amphenol Aerospace.
21-33836-31
21-33836-41
21-33836-51
21-33836-61
21-33837-101
21-33836-21
21-33837-111
21-33832-81
21-33832-21
21-33832-111†
21-33832-91
QUADRAX
TRANSITION
ADAPTER PLUG
Plug
Plug
DIFFERENTIAL TWINAX TRANSITION ADAPTERS
Part Number
Part Number
QUADRAX
TRANSITION ADAPTER
90 DEGREE RECEPTACLE
21-33837-81 (90 degree)
21-33837-91 (90 degree)
21-33837-41 (90 degree)
21-33837-51 (straight)
21-33837-61 (90 degree)
21-33837-141 (90 degree)
21-33837-21 (90 degree)
21-33837-31 (straight)
21-33837-71 (90 degree)
21-33833-21 (90 degree)
21-33833-31 (90 degree)
21-33833-151 (90 degree)
21-33833-161† (90 degree)
21-33833-171† (90 degree)
21-33833-91 (90 degree)
21-33833-51 (90 degree)
21-33833-141 (90 degree)
21-33833-111 (90 degree)
21-33833-181† (90 degree)
21-33833-101 (90 degree)
QUADRAX TRANSITION ADAPTERS
ELECTRICAL PROTOCOLS FOR
ELECTRICAL PROTOCOLS FOR
Receptacle
Receptacle
Impedance
Impedance
(Ohms)
(Ohms)
100
150
100
150
Ethernet, gigabit Ether
Ethernet, gigabit Ether
Ethernet, gigabit Ether
Ethernet, gigabit Ether
Ethernet, gigabit Ether
1000 Base CX,
Fibre channel
1000 Base CX,
Fibre channel
Ethernet
Ethernet
Protocol††
Protocol††
Electrical
Electrical