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.
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
The following is the latest list from the
MIL-STD-1553B supply:
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
70 Series
80 Series
150 Series
450 Series
Characteristic Requirements
Nominal Impedance
Frequency Range
Voltage Rating (max.) @ sea level
Voltage Rating (max.) @ 70,000 ft.
Insulation Resistance
Dielectric Withstanding Voltage
TRB/TRT
Non-constant
0-500 MHz
400 VRMS
100 VRMS
5000 M?
1200 VRMS
TRC/TRN
Non-constant
0-500 MHz
500 VRMS
125 VRMS
5000 M?
1500 VRMS
TRS/TTM
Non-constant
0-500 MHz
400 VRMS
100 VRMS
5000 M?
1200 VRMS
TCS
Non-constant
0-2 MHz
900 VRMS
N/A
5000 M?
900 VAC
(between center cond. & inter. cond.)
Dielectric Withstanding Voltage
500 VRMS
500 VRMS
500 VRMS
900 VAC
(between inter. cond. & outer cond.)
RF High Potential Withstanding Voltage
800 VRMS
1000 VRMS
500 VRMS
900 VAC @ 60 Hz
(between center cond. & inter. cond.)
RF High Potential Withstanding Voltage
(between inter. & outer cond.)
200 VRMS
@ 5-7.5 MHz
350 VRMS
@ 5-7.5 MHz
125 VRMS
N/A
Specifications continued on page 3...
* Specifications are minimum unless otherwise stated. Trompeter connectors are designed to exceed all minimum specifications.
2
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