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SMA

Home > 繁體中文 > 產品介紹 > Coaxial connector > SMA
SMA SERIES- SubMinature version A Coaxial Connector
 
1. Developed in 1960, it is a minimal connector with a screw-type coupling mechanism.
 
2. The terms male and female refer to the inner pin (male) and the socket (female), the outer portion of the connector, or male part, has interior threads and an inner pin. The male SMA connector is identified by its hex-shaped body.
 
3. SMA connectors are intended for use on semi-rigid cables that take the cable dielectric directly to the interface without air gaps.
 
4. It offers electrical performance from DC to 18 GHz.
 

Application

● Base Station
● Military / Aerospace
● Cable Assemblies
● PC / LAN

 

● Components
● Process Control
● Instrumental
● Telecom
   
● Technical Characteristics
Electrical
Impedance
50 ohm
Frequency Range
Semi-rigid cable: 0-18 GHz (Max operation frequency)
Flexible cables: 0-12.4 GHz (Max operation frequency)
Dielectric Withstanding Voltage
500 VRMS: RG-178, 196
750 VRMS: RG-174, 188, 316, .405 (085"OD.)
1,000 VRMS: RG-58, 141, 142, 223, 402(.141"OD.)
Working Voltage
250 VRMS max. : RG-178, 196
335 VRMS max. : RG-174, 188, 316, 405(.085"OD.)
500 VRMS max.: RG-58, 141, 142, 223,402( .141")
VSWR
Straight
1.20 max.
Right Angle
1.25 max.
Contact Resistance
Center Contact
5 Milliohm Max.
Outer Contact
1 Milliohm Max.
Insertion Loss
0.03 x√f GHZ@6 GHZ max.
Insulator Resistance
5,000 Mega ohms min.
 
 
Material
Part Name
Material
Surface Treatment
Bodies, Coupling Nuts, Other Metal Parts
Brass,
Gold, Nickel Plating
Stainless Steel
Passivated or gold Plating
Center Contacts
Plug: Brass
Gold Plating
Jack: Beryllium Copper, Phosphor Bronze
Gold Plating
Insulator
PTFE
None
Crimp Ferrule
Annealed Copper
Gold or Nickel plating
Gaskets
Silicone Rubber
None
 
Mechanical
Engagement Force
2 in-lbs. max
Disengagement Force
2 in-lbs. max.
Coupling Nut Retention
60 lbs. min.
Coupling Proof Torque
15 in-lbs. min.
Contact Retention
6 lbs. min. axial force (captivated contacts)
4 inch-ounce min. torque (uncabled receptacles)
Durability (Mating)
500 cycles mating & unmating cyles @12 cycles per min. (For Be/Cu Jack Contact only)
 
Environmental
Temperature Range
-65°C to 165°C / - 85℉ to 329℉
Vibration
MIL-STD-202 Method 204 (Test cond. D)
Shock
MIL-STD-202 Method 213, (Test cond. I), No discontinuity permitted.
Corrosion
MIL-STD-202 Method 101 (Test cond. B) 5% Salt solution
Thermal Shock
MIL-STD-202 Method 107, (Test cond. B)
  Note: These characteristics are typical but may not apply to all connectors.

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