1
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Product Data Sheet
Micro D-Twinax Transition Adapters
Amphenol now offers differential twinax transition adapters in smaller
sizes that provide matched impedance interconnection to PCB boards.
PDS-215-1
Our unique push-pull quick disconnect adapter design offers:
• Advantages over traditional threaded type adapters
• Launching of controlled impedance (100 ohm) signals for
high speed twinax contacts with push-pull quick disconnect coupling
• Rugged construction, 100+ mating cycles for reliable and secure
data transmission
• Miniature size for tighter spacing on boards
• Intermountability with existing threaded solutions having the same
PCB tail footprint
Micro D-Twinax Transition Adapters
Shown right: Straight receptacle mated to plug
• Styles include:
Shown left: Jam nut and 90° receptacles
• Plug - standard length and extended length options
• Straight PCB receptacle, 90° PCB receptacle
• Two jam nut receptacle styles - both with standard length and extended length options
• Bushing assembly 90° adapter (used with plug or jam nut receptacle)
Push-Pull Quick Disconnect Interconnects
Micro D-Twinax Transition Adapter Plug
.719 REF.
.245 DIA.
REF.
Part Number
21-033832-151
21-033832-161
Cable Type*
Calmont 3007-1923-12-7
Tensolite 26453/03184X-2LD
Thermax 956-626Z
Impedance
(Ohms)
100
21-033832-121**
Calmont 3007-1923-12-7
* See page 3 for information on other cable terminations.
** Same as -151 with extended ferrule for added cable support
Micro D-Twinax Transition Adapter Straight PCB Receptacle
.433 REF.
.110 REF.
.100
.020 ±.001 DIA.
PCB TAILS
2 PLACES
.050
Straight receptacle
mated to plug
Impedance
(Ohms)
100
All dimensions for reference only.
Part Number
.290 DIA.
REF.
.0223 ±.0010 SQUARE
OR
.0290 ±.0010 DIA. ROUND
PCB TAILS, 4 PLACES
21-033833-191
.100
Notice: Specifications are subject to change without notice. Contact your nearest Amphenol Corporation Sales Office for the latest specifications. All statements, information and data given herein are
believed to be accurate and reliable but are presented without guarantee, warranty, or responsibility of any kind, expressed or implied. Statements or suggestions concerning possible use of our
products are made without representation or warranty that any such use is free of patent infringement and are not
recommendations to infringe any patent. The user should assume that all safety measures are indicated or that other
measures may not be required. Specifications are typical and may not apply to all connectors.
Amphenol
Aerospace
AMPHENOL is a registered trademark of Amphenol Corporation.
2010 Amphenol Corporation Printed in U.S.A. 11/3/2010
Call 800-678-0141 or visit us at www.amphenol-aerospace.com
2
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Product Data Sheet
Micro D-Twinax Transition Adapters
Push-Pull Quick Disconnect Interconnects
Micro D-Twinax Transition Adapter 90° PCB Receptacle
.244
REF.
.484
REF.
.305
REF.
PDS-215-1
90 Degree receptacle
mated to plug
Impedance
(Ohms)
100
Part Number
.020 ±.001 DIA.
PCB TAILS 2 PLACES
21-033833-201
.110 REF.
21-033833-281
.140 PCB tail length
.100
.0223 .0010 SQUARE
OR
.0290 ±.0010 DIA. ROUND
PCB TAILS, 4 PLACES
.050
.100
All dimensions for reference only.
Micro D-Twinax Transition Adapter Jam Nut Receptacles
Jam Nut Receptacle, Style 1
Smaller diameter front shell requires a smaller mounting D-hole
dimension in panel.
.559 REF.
.250-36 UNS-24
THREAD
.200
PANEL
MAX.
.405 REF.
Jam nut receptacle,
Style 1, mated to plug
Impedance
(Ohms)
Part Number
.235
FLAT
MAX.
Cable Type*
Calmont 3007-1923-12-7
Tensolite 26453/03184X-2LD
Thermax 956-626Z
21-033833-241
21-033833-261
100
21-033833-211**
Calmont 3007-1923-12-7
.3125 HEX NUT
.3125 HEX
LOCK WASHER
* See page 3 for information on other cable terminations.
** Same as -241 with extended ferrule for added cable support
Jam Nut Receptacle, Style 2
Has a larger diameter front shell than Style 1. Requires a larger
mounting D-hole in panel.
.545 REF.
.375-24 UNS-2A
THREAD
.150
PANEL
MAX.
.405 REF.
Jam nut receptacle,
Style 2, mated to plug
.339
FLAT
MAX.
Part Number
21-033833-251
.450 DIA. REF.
2 PLACES
.425 HEX NUT
.425 HEX
LOCK WASHER
Cable Type*
Calmont 3007-1923-12-7
Tensolite 26453/03184X-2LD
Thermax 956-626Z
Impedance
(Ohms)
21-033833-271
100
21-033833-231**
Calmont 3007-1923-12-7
* See page 3 for information on other cable terminations.
** Same as -251 with extended ferrule for added cable support
Amphenol
Aerospace
Call 800-678-0141 or visit us at www.amphenol-aerospace.com
3
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Product Data Sheet
Micro D-Twinax Transition Adapters
Push-Pull Quick Disconnect Interconnects
90° Bushing Assemblies for use with Wired Micro D
Transition Adapters
To facilitate tight cable bend requirements, Amphenol provides
90° bushing assemblies which convert straight plug and re-
ceptacle wired adapters into 90° wired adapters.
90° Bushing Assembly
Part Number
21-033425-201
PDS-215-1
90° bushing assembly is ordered separately.
Adapters are not included with bushing assembly.
.531 REF.
.210
REF.
.210
REF.
.435
REF.
90° Bushing Assembly with
Jam Nut Micro D Transition
Adapter
Illustrations below show how the 90° bushing assembly
attaches to either a plug or a jam nut receptacle adapter.
PLUG TRANSITION
ADAPTER
JAM NUT RECEPTACLE
TRANSITION ADAPTER
1.264
REF.
1.019
REF
90° BUSHING
ASSEMBLY
90 BUSHING
ASSEMBLY
.563 REF.
.668 REF.
.563 REF.
.668 REF.
90° Bushing Assembly with Wired Micro D Plug
Transition Adapter
All dimensions for reference only.
90° Bushing Assembly with Wired Micro D Jam Nut
Receptacle Transition Adapter
Amphenol
Aerospace
Amphenol transition adapters are capable of terminating to additional
100 Ohm cables beyond what are listed in the charts on pages 1 and 2.
Cables need to have the following dimensions:
• .0210/.011 Dia. stranded center conductor (26/30 AWG)
• .045 Dia. max. inner wire insulation
• .115 Dia. max. outer braid (round type preferred)
• .150 Dia. max. jacket
Consult Amphenol Aerospace for other cable termination possibilities.
Call 800-678-0141 or visit us at www.amphenol-aerospace.com
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