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SMA(SubMiniature version A) Connectors Home > Product > RF coaxial connectors > SMA Connectors RF
SMA(SubMiniature version A) Cable Connectors Panel & Bulkhead connectors PCB Board Connectors In-series Adapters
SMA Connectors RF (Sub Miniature Version A) connectors are precision sub Miniature connectors primarily used for higher frequencies with excellent electrical performance from DC through 18 GHz. SMA connectors are primarily used where trends toward higher frequencies, Miniaturization, and SMA connectors are built in accordance with MIL-C-39012 and are available for a variety of flexible and semi-rigid cables. Brass SMA connectors provide a cost effective solution for applications where stainless steel construction is not required.
SMA launchers are the preferred connection element for varied microwave circuits, including hermetically sealed designs. The SMA line covers a huge variety of applications such as Test+Measurement, mobile communications, avionics, etc.

Ref. Product: RF Attenuator Fixed SMA Type

sma connectors rf coaxial Asma connectors rf coaxial BSMA Connectors RF Coaxial C

  

 
SMA Connector's Interface Dimension
SMA Connectors RF Caoxial - Plug Interface  SMA Connectors RF Caoxial - Jack Interface
  Min.(mm) Max.(mm)
 
A - 4.590
B 6.35 -
C 0.00 0.25
D 0.00 0.25
E - 2.54
F 0.38 1.14
G 3.30 -
H - 3.43
J 0.90 0.94
 
  Min.(mm) Max.(mm)
 
A 4.59 -
B 5.28 5.49
C 0.00 0.25
D 0.00 0.25
E 2.67 -
F 0.38 1.14
G 4.32 -
H 1.88 1.98
J 5.54 -
L 1.24 1.29
 
SMA Connector's Specifications
Material Electrical
REQUIREMENT SPECIFICATION
 
Body Brass or
Stainless Steel
(STS303)		 Au Plated,
Silver Plated,
Nickel Plated
Coupling Nut Brass or
Stainless Steel
(STS303)		 Au Plated,
Passivate,
Nickel Plated
Center Contacts Brass or
Beryllium
Copper		 Au Plated,
Silver Plated
Insulator PTFE Teflon
Gasket Silicone Rubber
 
REQUIREMENT SPECIFICATION
 
Normal
Impedance		 50§Ù
VSWR Straight DC~18§× Max. 1.05+0.01×f,
Right Angle DC~6§× Max.1.05+0.03×f,
f: Frequency(§×)
Insertion Loss 0.05× f : Frequency(§×)
Insulation
Resistance		 DC 500V 5,000§Û Min.
Contact
Resistance		 Inner Conductor : 3m§Ù Max.,
Outer Conductor : 2m§Ù Max.
 
Mechanical Environmental
REQUIREMENT SPECIFICATION
 
Coupling Nut
Retention Force		 65Kgf Min.
(Stainless Steel Coupling Nut)
Coupling Nut
Mating Force		 Proof Torque : 16.5Kgf. Cm,
Recommended Mating Torque :
8~12 Kgf. Cm
Center Force Engage :1.35Kgf Max.,
Disengage : 0.03Kgf Min.
Connector
Durability		 500 Cycles MIL-C-39012
 
REQUIREMENT SPECIFICATION
 
Vibration MIL-STD-202, Method 204
Thermal Shock MIL-STD-202, Method 107D,
Test Condition B
Corrosion
(Salt Spray)		 MIL-STD-202, Method 101D,
Test Condition B
Humidity
(Steady State)		 MIL-STD-202, Method 103B,
Test Condition B
 

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