Connectivity....for
Business-Critical Continuity
Stainless Steel SMA Connectors
Product Catalog
Stainless Steel SMA Connectors
Connectivity....for
Business-Critical Continuity
Johnson
®
Stainless Steel SMA Connectors
meet or exceed the performance requirements of
MIL-PRF-39012. All designs are based on 50 ohm system impedance per MIL-STD-348, and operate
at frequencies up to 26.5 GHz.
Applications
• Antennas
• Base stations
• Broadcast
• Cable assemblies
• Cellular
• Instrumentation
• Microwave Radio
• Radar
• Radios
• RF and Microwave Components
• Satcom
• Aircraft
Features
• All contacts are plated with 50 micro-inches of gold for excellent durability and high frequency
performance
• Stainless steel bodies are offered with passivation as a standard finish, and gold plating where
soldering is required
• Plug interfaces and semi-rigid bulkhead jack bodies include gaskets for environmental sealing
• Cabled contacts are captivated upon assembly
• Flexible cable contacts can be crimped or soldered
• Semi-rigid cabled plug connectors are available in one piece versions, requiring solder
attachment only between the cable jacket and connector body
• The right angle PC mount features a rugged one-piece body with a one-piece swept contact
Table of Contents
PAGE
ASSEMBLY INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . .14
ASSEMBLY TOOLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
COMPETITOR CROSS REFERENCE . . . . . . . . . . . . . . . . . . .19
ELECTRICAL SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . .3-4
ENVIRONMENTAL SPECIFICATIONS . . . . . . . . . . . . . . . . . . .5
FLEXIBLE CABLE CONNECTORS . . . . . . . . . . . . . . . . . . . . . .9
MATERIAL SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . .5
MECHANICAL SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . .5
MOUNTING HOLES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
PANEL MOUNT JACK RECEPTACLES . . . . . . . . . . . . . .10-12
PC MOUNT JACKS RECEPTACLES . . . . . . . . . . . . . . . . . . . .10
SEMI-RIGID CABLE CONNECTORS . . . . . . . . . . . . . . . . . . . .7
2
Connectivity....for
Business-Critical Continuity
Stainless Steel SMA Connectors
ELECTRICAL SPECIFICATIONS
Impedance:
50 Ohms
Frequency Range:
Flexible cable connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0-12.4 GHz
Uncabled receptacles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0-18.0 GHz
Straight Semi-Rigid cable connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0-26.5 GHz
VSWR:
(f = GHz)
Straight
Cable Connectors
RG-316, LMR-100 cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RG-58, LMR-195 cable. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RG-142 cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.086 Semi-Rigid cable (0 - 18 GHz). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.086 Semi-Rigid cable (18 - 26.5 GHz) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.141 Semi-Rigid cable (w/contact) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.141 Semi-Rigid cable (w/o contact) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.15+.02f
1.15+.01f
1.15+.01f
1.07+.008f
1.35 MAX
1.05+.008f
1.035+.005f
Right Angle
Cable Connectors
1.15+.03f
1.15+.02f
1.15+.02f
Insertion Loss:
(dB maximum)
Straight flexible cable connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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
Straight Semi-Rigid cable connectors w/o contact . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.03 f (GHz), tested at 16 GHz
Uncabled receptacles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N/A
Working Voltage:
(Vrms maximum)
Sea Level
RG-316, LMR-100, 195 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250
RG-58, RG-142, .086 Semi-Rigid,
Uncabled receptacles, .141 Semi-Rigid w/o contact. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 335
.141 Semi-Rigid with contact . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500
70K Feet
65
85
125
Dielectric Withstanding Voltage:
(Vrms minimum at sea level)
Sea Level
Connectors for RG-316, LMR-100, 195 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 750
Connectors for RG-58, RG-142, .086 Semi-Rigid,
Uncabled receptacles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1000
Connectors for .141 Semi-Rigid with contact . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1500
Connectors for .141 Semi-Rigid w/o contact . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N/A
Corona Level:
(Volts minimum at 70,000 feet)
70K Feet
Connectors for RG-316, LMR-100, 195 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190
Connectors for RG-58, RG-142, .086 Semi-Rigid,
Uncabled receptacles, .141 Semi-Rigid w/o contact . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250
Connectors for .141 Semi-Rigid with contact . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 375
3
Stainless Steel SMA Connectors
Connectivity....for
Business-Critical Continuity
ELECTRICAL SPECIFICATIONS cont’d
RF High Potential Withstanding Voltage:
(Vrms minimum, tested at 4 and 7 MHz)
Connectors for RG-316, LMR-100, 195 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500
Connectors for RG-58, RG-142, .086 Semi-Rigid,
.141 Semi-Rigid cable w/o contact, Uncabled receptacles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 670
Connectors for .141 Semi-Rigid with contact . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1000
Insulation Resistance:
5000 Megohms minimum
Contact Resistance:
(milliohms maximum)
Initial
Center contact (straight cabled connectors
and Uncabled receptacles) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.0*
Center contact (right angle cabled
connectors) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.0
Outer Contact (all connectors) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.0
Braid to Body (gold plated bodies) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5
*N/A where the cable center conductor is used as a contact
After Environmental
4.0*
6.0
N/A
N/A
RF Leakage:
(dB minimum, tested at 2.5 GHz)
Flexible cable connectors and .141 Semi-Rigid
connectors w/o contact . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -60
.086 Semi-Rigid connectors and .141 Semi-Rigid connectors
with contact . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -90
Uncabled receptacles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N/A
4
Connectivity....for
Business-Critical Continuity
Stainless Steel SMA Connectors
MECHANICAL SPECIFICATIONS
Engagement Design:
MIL-PRF-39012, Series SMA
Durability:
500 cycles minimum
100 cycles minimum for .141 Semi-Rigid connectors w/o contact
Engagement/Disengagement Force:
2 inch-pounds maximum
Mating Torque:
7 to 10 inch-pounds
Bulkhead Mounting Nut Torque:
15 inch-pounds recommended
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: (minimum*)
Axial Force (lbs) Torque (in-oz)
Connectors for RG-316, LMR-100 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
N/A
Connectors for RG-58 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
N/A
Connectors for RG-142 Cabled . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
N/A
Connectors for .086 Semi-Rigid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
16
Connectors for .141 Semi-rigid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
55
Connectors for LMR-195 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
N/A
* Or cable breaking strength, whichever is less
ENVIRONMENTAL SPECIFICATIONS
(Meets or Exceeds the Applicable Paragraph of MIL-PRF-39012)
Temperature Range:
-65°C to +165°C
Thermal Shock:
MIL-STD-202, Method 107, Condition B (except +85°C high temperature)
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
MATERIAL SPECIFICATIONS
Stainless Steel, type 303, per ASTM A 582, passivated per MIL-F-14072 (EL 300), or gold Plated
per MIL-G-45204 B .00003” min.
Contacts:
Male - Brass per ASTM B16, Gold plated* per MIL-G-45204 (.00005” min)
Female – Beryllium Copper per ASTM B196, Gold plated* per MIL-G-45204 (.00005” min)
Insulators:
PTFE Fluorocarbon per ASTM D1710 and ASTM D1457
Gaskets:
Silicon Rubber per ZZ-R-765
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 ASTM A75, gold plated per MIL-G-45204 .0001”min. or nickel per QQ-N-290 plated (.00001” min)
Nut Retention Spring (Plugs):
Beryllium Copper per ASTM B196, un-plated
Mounting Hardware:
Stainless Steel, type 303, Per ASTM A 582, passivated per MIL-F-14072 (EL 300), or gold plated* per
MIL-G-45204 B .00001” min.
Note: All Gold plated parts include a .00005” minimum Nickel under plated barrier layer
Bodies:
5