Twinax/Triax Connectors / Two-Pin Polarized
25
30 Series, TWBNC/TWTNC
Circuit Board Bulkhead Jack
Right Angle-Two-pin Polarized Twinax (TWBNC)
Mil-C-3655 Interface
CBBJR39A
Cable Plug
1.216
Wrench Crimp, Two-pin Polarized
1.046
.946
2-lug............................................ PL30-
.718
.050
.096
.931
.34
.380
DIA
.665
PL30 Shown
.030 TYP
.437 HEX NUT
.437 WRENCH FLATS
.593 DIA MAX
.500-28UNEF-2A
.562 HEX NUT
.13 TYP
.258 TYP
.090 TYP
Mounting Hole: D3.125
.124
.058 TYP
.100
Bulkhead Jack
.258
TYP
Front Mount, Solder Pot, Two-pin Polarized
.070 DIA TYP
.0625 DIA
2-lug................................................... BJ30
.258
1.070
.050
.046
.468
BJ30 Shown
Mounting Hole: D5.130
.100
.040 DIA
CONDUCTORS
.375-32UNEF-2A
.437 HEX NUT
.468 HEX NUT
Bulkhead Jack
Rear Mount, Solder Pot
Two-pin Polarized
2-lug.................................................... BJ31
Feed-Through Jack
Two-pin Polarized
.837
2-lug.................................................... BJ38
.310
.093
.562 HEX NUT
.131
1.308
.783
BJ31 Shown
Mounting Hole: D3.280
SOLDER POT
ACCEPTS .040 DIA
CONDUCTORS
.380
DIA
BJ38 Shown
Mounting Hole: D3.160
.794
.730 DIA
BJ31 SHOWN
.500-28UNEF-2A
.500-28UNEF-2A
.625 HEX
.687HEX
.525
Bulkhead Cable Jack
Rear Mount, Wrench Crimp
Two-pin Polarized
2-lug............................................. BJ39-
1.000
.806
.096
BJ39 Shown
Mounting Hole: D3.218
.437 HEX NUT
.687 HEX NUT
.500-28UNEF-2A
.625 HEX NUT
Refer to Cable Group Tables, pages 74-91.
“D” mounting holes are on page 54. Note: Only 30 Series have two-pin polarizations.
Note: These connectors are still available, although we recommend using concentric (70 series) twinax for all new applications.