SMA - 50 Ohm Connectors
Specifications
INCHES (MILLIMETERS) ? CUSTOMER DRAWINGS AVAILABLE ON REQUEST
ELECTRICAL RATINGS
Impedance: 50 Ohms
Insertion Loss: (dB maximum)
Frequency Range:
Straight flexible cable connectors
Dummy loads ........................................................................... 0-2 GHz
Flexible cable connectors ................................................... 0-12.4 GHz
Uncabled receptacles, RA Semi-Rigid and adapters ......... 0-18.0 GHz
Straight Semi-Rigid cable connectors and
field replaceable connectors ............................................... 0-26.5 GHz
and adapters ...................... 0.06 f (GHz), tested at 6 GHz
Right angle flexible cable
connectors ......................... 0.15 f (GHz), tested at 6 GHz
Straight Semi-Rigid cable
connectors with contact ..... 0.03 f (GHz), tested at 10 GHz
VSWR: (f = GHz) Straight Right Angle
Right angle Semi-Rigid cable
Cabled Connectors  Cabled Connectors
connectors ......................... 0.05 f (GHz), tested at 10 GHz
RG-178 cable .............................. 1.20 + .025f 1.20 + .03f
Straight Semi-Rigid cable
RG-316, LMR-100 cable .............. 1.15 + .02f 1.15 + .03f
connectors w/o contact ...... 0.03 f (GHz), tested at 16 GHz
RG-58, LMR-195 cable ................ 1.15 + .01f 1.15 + .02f
Straight low loss flexible
RG-142 cable ............................... 1.15 + .01f 1.15 + .02f
cable connectors ................ 0.06 f (GHz), tested at 1 GHz
LMR-200, LMR-240 cable ............ 1.10 + .03f 1.10 + .06f
Right Angle low loss flexible
.086 Semi-Rigid .......................... 1.07 + .008f 1.18 + .015f
cable connectors ................ 0.15 f (GHz), tested at 1 GHz
.141 Semi-Rigid (w/contact) ........ 1.05 + .008f 1.15 + .015f
Uncabled receptacles, field replaceable, dummy loads .............. N/A
.141 Semi-Rigid (w/o contact) .... 1.035 + .005f
Insulation Resistance: 5000 megohms minimum
Jack-bulkhead jack adapter and plug-plug adapter ................. 1.05 + .01f
Contact Resistance: (milliohms maximum) Initial After Environmental
Jack-jack adapter and plug-jack adapter ................................ 1.05 + .005f
Center contact (straight cabled connectors
Uncabled receptacles, dummy loads .................................................. N/A
and uncabled receptacles) ........................... 3.0* 4.0*
Field replaceable ( see page xx) .......................................................... N/A
Working Voltage: (VRMS maximum) ?
Center contact (right angle cabled
connectors and adapters) .............................. 4.0 6.0
Connectors for Cable Type
Sea Level 70K Feet
Field replaceable connectors ......................... 6.0 8.0
RG-178 ...................................................................... 170 45
RG-316; LMR-100, 195, 200 ..................................... 250 65
RG-58, RG-142, LMR-240, .086 Semi-Rigid,
uncabled receptacles, .141 Semi-Rigid w/o contact . 335 85
.141 Semi-Rigid with contact and adapters ............... 500 125
Outer contact (all connectors) ........................... 2.0 N/A
Braid to body (gold plated connectors) ............. 0.5 N/A
Braid to body (nickel plated connectors) ........... 5.0 N/A
*N/A where the cable center conductor is used as a contact
RF Leakage: (dB minimum, tested at 2.5 GHz)
Dummy loads .................................................................................. N/A
Dielectric Withstanding Voltage: (VRMS minimum at sea level) ?
Flexible cable connectors, adapters and .141 Semi-Rigid
connectors w/o contact ....................................................... -60 dB
Connectors for RG-178 ................................................................... 500
Connectors for RG-316; LMR-100, 195, 200 ................................... 750
Connectors for RG-58, RG-142, LMR-240, .086 Semi-Rigid,
field replaceable, uncabled receptacles ...................................... 1000
Connectors for .141 Semi-Rigid with contact and adapters .......... 1500
Field replaceable w/o EMI gasket ......................................... -70 dB
.086 Semi-Rigid connectors and .141 Semi-Rigid connectors
with contact, and field replaceable with EMI Gasket .......... -90 dB
Two-way adapters ................................................................. -90 dB
Uncabled receptacles, dummy loads ......................................... N/A
Connectors for .141 Semi-Rigid w/o contact, dummy loads ............ N/A
Corona Level: (Volts minimum at 70,000 feet) ?
RF High Potential Withstanding Voltage:
(VRMS minimum, tested at 4 and 7 MHz) ?
Connectors for RG-178 ................................................................... 125
Connectors for RG-316; LMR-100, 195, 200 ................................... 190
Connectors for RG-58, RG-142, LMR-240, 086 Semi-Rigid,
uncabled receptacles, .141 Semi-Rigid w/o contact ........................ 250
Connectors for .141 Semi-Rigid with contact and adapters ............ 375
Connectors for RG-178 ............................................................. 335
Connectors for RG-316; LMR-100, 195, 200 ............................. 500
Connectors for RG-58, RG-142, LMR-240, .086 Semi-Rigid,
.141 Semi-Rigid cable w/o contact, uncabled receptacles ...... 670
Connectors for .141 Semi-Rigid with contact and adapters .... 1000
Dummy loads ...................................................................................... N/A
Power Rating (Dummy Load): 0.5 watt @ + 25 ° C, derated to 0.25 watt
@ +125 ° C
MECHANICAL RATINGS
Engagement Design: MIL-C-39012, Series SMA
Cable Retention:
Axial Force* (lbs) Torque (in-oz)
Engagement/Disengagement Force: 2 inch-pounds maximum
Mating Torque: 7 to 10 inch-pounds
Bulkhead Mounting Nut Torque: 15 inch-pounds
Coupling Proof Torque: 15 inch-pounds minimum
Coupling Nut Retention: 60 pounds minimum
Contact Retention:
6 lbs. minimum axial force (captivated contacts)
4 inch-ounce minimum torque (uncabled receptacles)
Connectors for RG-178 ............................ 10 N/A
Connectors for RG-316, LMR-100 ........... 20 N/A
Connectors for LMR-195, 200 .................. 30 N/A
Connectors for RG-58, LMR-240 ............. 40 N/A
Connectors for RG-142 ............................ 45 N/A
Connectors for .086 Semi-Rigid ............... 30 16
Connectors for .141 Semi-Rigid ............... 60 55
*Or cable breaking strength whichever is less.
Durability: 500 cycles minimum
100 cycles minimum for .141 Semi-Rigid connectors w/o contact
ENVIRONMENTAL RATINGS (Meets or exceeds the applicable paragraph of MIL-C-39012)
Avoid user injury due to misapplication. See safety advisory definitions inside front cover.
Temperature Range: - 65°C to + 165°C
Thermal Shock: MIL-STD-202, Method 107, Condition B
Corrosion: MIL-STD-202, Method 101, Condition B
?
Shock: MIL-STD-202, Method 213, Condition I
Vibration: MIL-STD-202, Method 204, Condition D
Moisture Resistance: MIL-STD-202, Method 106
38
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