TWINAX/TRIAX CONNECTORS
Twinax/Triax Connectors /
Specifications
Trompeter offers a broad line of connectors manufactured to
meet or exceed the Mil-Specs governing twinax connectors. In
fact, Mil-PRF-49142 was created from the Trompeter concentric
twinax/triax connector design.
The following information reflects the specification requirements
for each family of connectors in both twinax and triax applications.
Use this chart to determine the proper connector type to be used
in your application, based on the environment and electrical
requirements of your design. Trompeter’s technical support team
is available to answer any specification questions you may have.
The following is the latest list from the
MIL-STD-1553B supply:
MIL-Spec Triax
Series
TRB
TRC
TRS
1553
Trompeter
Connector
Series
70
80
150
450
Bayonet Typi-
cal Lug Count
3
2
3
3
Available
Threaded
Yes
Yes
Yes
Yes
Gender
Normal
Reverse
Normal
Either
Equivalent Coax
Series
BNC
N
M-BNC
n/a
Trompeter Number:
PL75-47
PL375C-201
PL75C-201
PL155AC-201
PL3155AC-201
PL155AC-201
PL155AC-201
PL3455ACS-201
PL455ACP-201
MIL-STD-1553B Data Bus General Specifications Guide
Characteristic Requirements
Nominal Impedance
Frequency Range
Voltage Rating (max.) @ sea level
Voltage Rating (max.) @ 70,000 ft.
Insulation Resistance
Dielectric Withstanding Voltage
(between center cond. & inter. cond.)
Dielectric Withstanding Voltage
(between inter. cond. & outer cond.)
RF High Potential Withstanding Voltage
(between center cond. & inter. cond.)
RF High Potential Withstanding Voltage
(between inter. & outer cond.)
Specifications continued on page 3...
* Specifications are minimum unless otherwise stated. Trompeter connectors are designed to exceed all minimum specifications.
70 Series
TRB/TRT
Non-constant
0-500 MHz
400 VRMS
100 VRMS
5000 MΩ
1200 VRMS
500 VRMS
800 VRMS
200 VRMS
@ 5-7.5 MHz
80 Series
TRC/TRN
Non-constant
0-500 MHz
500 VRMS
125 VRMS
5000 MΩ
1500 VRMS
500 VRMS
1000 VRMS
350 VRMS
@ 5-7.5 MHz
150 Series
TRS/TTM
Non-constant
0-500 MHz
400 VRMS
100 VRMS
5000 MΩ
1200 VRMS
500 VRMS
500 VRMS
125 VRMS
450 Series
TCS
Non-constant
0-2 MHz
900 VRMS
N/A
5000 MΩ
900 VAC
900 VAC
900 VAC @ 60 Hz
N/A
2
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