SMA 50 Ohm
Straight Crimp Type Plug (3-piece) -
Solder or Crimp Captivated Contact
INCHES (MILLIMETERS)
CUSTOMER DRAWINGS AVAILABLE UPON REQUEST
CABLE
TYPE
RG-178/U, 196
VSWR &
FREQ. RANGE
1.20 + .025 f (GHz) 0-12.4 GHz
GOLD
PLATED
142-0402-011
NICKEL
PLATED
142-0402-016
“A”
.591 (15.01)
CABLE GROUP PART NUMBER CRIMP HEX
RG-178/u,
142-0402-011
.105 (2.67)
196
1. Identify piece parts. (4 piece parts plus nut and washer for bulkhead.)
2. Strip cable jacket and braid to dimensions shown. Do not nick braid during strip operations.
3. Slide crimp insert over braid and against jacket. Fold braid around crimp insert as shown. Strip dielectric to dimension sh own. If
cable is being manually stripped the rear insulator can be assembled and used as a guide. Do not nick center conductor during strip
operation. Tin center conductor if contact is to be solder attached. Do not tin center conductor if contact is to be crimp at tached.
4. Assemble rear insulator over cable dielectric and contact over center conductor as shown.
Solder attachment:
Solder contact to center conductor using 60/40 tin/lead solder. Care should be taken that excess solder is not
applied.
Crimp attachment:
Crimp contact to center conductor using production tooling or hand tool 144-0000-910, setting #2 with positioner
141-0000-907. Crimp location should be centered between end of contact and x-hole. Crimp attachment to solid center conductor
cables is not recommended.
5. Slide body assembly over contact, rear insulator and crimp insert. Crimp body using recommended crimp tool. Maintain forw ard
pressure on cable while crimping.
Body crimp die hex: .105 (2.67) hex
Emerson Network Power Connectivity Solutions
299 Johnson Avenue SW, Waseca, MN 56093 • 800 -247- 8256 • +1 (507) 833-8822 • www.EmersonConnectivity.com
SMA - 50 Ohm Connectors
Specifications
INCHES (MILLIMETERS)
CUSTOMER DRAWINGS AVAILABLE UPON REQUEST
ELECTRICAL RATINGS
Impedance:
50 ohms
Frequency Range:
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
VSWR:
(f = GHz)
Straight
Right Angle
Cabled Connectors Cabled Connectors
RG-178 cable .............................. 1.20 + .025f
1.20 + .03f
RG-316, LMR-100 cable .............. 1.15 + .02f
1.15 + .03f
RG-58, LMR-195 cable ................ 1.15 + .01f
1.15 + .02f
RG-142 cable ............................... 1.15 + .01f
1.15 + .02f
LMR-200, LMR-240 cable ............ 1.10 + .03f
1.10 + .06f
.086 semi-rigid ............................ 1.07 + .008f
1.18 + .015f
.141 semi-rigid (w/contact) .......... 1.05 + .008f
1.15 + .015f
.141 semi-rigid (w/o contact) ...... 1.035 + .005f
Jack-bulkhead jack adapter and plug-plug adapter ................. 1.05 + .01f
Jack-jack adapter and plug-jack adapter ............................... 1.05 + .005f
Uncabled receptacles, dummy loads .................................................. N/A
Field replaceable (see
page 59) .........................................................
N/A
Working Voltage:
(Vrms maximum)
Connectors for Cable Type
Sea Level 70K Feet
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
Dummy loads ................................................................................. N/A
Dielectric Withstanding Voltage:
(VRMS minimum at sea level)
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
Connectors for .141 semi-rigid w/o contact, dummy loads .............. N/A
Corona Level:
(Volts minimum at 70,000 feet)
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
Dummy loads ...................................................................................... N/A
Insertion Loss:
(dB maximum)
Straight flexible cable connectors
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
Right angle semi-rigid cable
connectors ......................... 0.05
f (GHz), tested at 10 GHz
Straight semi-rigid cable
connectors w/o contact ...... 0.03
f (GHz), tested at 16 GHz
Straight low loss flexible
cable connectors ................ 0.06
f (GHz), tested at 1 GHz
Right Angle low loss flexible
cable connectors ................ 0.15
f (GHz), tested at 1 GHz
Uncabled receptacles, field replaceable, dummy loads ..................... N/A
Insulation Resistance:
5000 megohms minimum
Contact Resistance:
(milliohms maximum)
Initial After Environmental
Center contact (straight cabled connectors
and uncabled receptacles) ........................... 3.0*
4.0*
Center contact (right angle cabled
connectors and adapters) .............................. 4.0
6.0
Field replaceable connectors ........................ 6.0
8.0
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)
Flexible cable connectors, adapters and .141 semi-rigid
connectors w/o contact ............................................................. -60 dB
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
RF High Potential Withstanding Voltage:
(Vrms minimum, tested at 4
and 7 MHz)
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
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
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)
Cable Retention:
Axial Force*(lbs) Torque (in-oz)
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
(Meets or exceed the applicable paragraph of MIL-C-39012)
Temperature Range:
- 65°C to + 165°C
Thermal Shock:
MIL-STD-202, Method 107, Condition B
Corrosion:
MIL-STD-202, Method 101, Condition B
ENVIRONMENTAL RATINGS
Shock:
MIL-STD-202, Method 213, Condition I
Vibration:
MIL-STD-202, Method 204, Condition D
Moisture Resistance:
MIL-STD-202, Method 106
†Avoid user injury due to misapplication. See safety advisory definitions inside front cover.
Emerson Network Power Connectivity Solutions
299 Johnson Avenue SW, Waseca, MN 56093 • 800 -247- 8256 • +1 (507) 833-8822 • www.EmersonConnectivity.com
SMA - 50 Ohm Connectors
Specifications
INCHES (MILLIMETERS)
CUSTOMER DRAWINGS AVAILABLE UPON REQUEST
MATERIAL SPECIFICATIONS
Bodies:
Brass per QQ-B-626, gold plated* per MIL-G-45204 .00001" min. or nickel plated per QQ-N-290
Contacts:
Male - brass per QQ-B-626, gold plated per MIL-G-45204 .00003" min.
Female - beryllium copper per QQ-C-530, gold plated per MIL-G-45204 .00003" min.
Nut Retention Spring:
Beryllium copper per QQ-C-533. Unplated
Insulators:
PTFE fluorocarbon per ASTM D 1710 and ASTM D 1457 or Tefzel per ASTM D 3159 or PFA 340 per ASTM
Expansion Caps:
Brass per QQ-B-613, gold plated per MIL-G-45204 .00001" min. or nickel plated per QQ-N-290
Crimp Sleeves:
Copper per WW-T-799 or brass per QQ-B-613, gold plated per MIL-G-45204 .00001" min. or nickel plated per QQ-N-290
Mounting Hardware:
Brass per QQ-B-626 or QQ-B-613, gold plated per MIL-G-45204 .00001" min. or nickel plated per QQ-N-290
Seal Rings:
Silicone rubber per ZZ-R-765
EMI Gaskets:
Conductive silicone rubber per MIL-G-83528, Type M
* All gold plated parts include a .00005" min. nickel underplate barrier layer.
Mating Engagement for SMA Series per MIL-C-39012
JACK
PLUG
PLUG
JACK
NOTES
1. ID OF CONTACT TO MEET VSWR, CONTACT RESISTANCE AND INSERTION WITHDRAWAL FORCES
WHEN MATED WITH DIA .0355-.0370 MALE PIN.
Emerson Network Power Connectivity Solutions
299 Johnson Avenue SW, Waseca, MN 56093 • 800 -247- 8256 • +1 (507) 833-8822 • www.EmersonConnectivity.com
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