Radiall 50 Ohm SMA RF Coaxial Attenuators
50 ohm SMA plug to socket RF coaxial attenuators with a PTFE dielectric and gold plated centre contact.
50 ohm SMA attenuators with part number R4118xx124 have a DC 3 GHz operating frequency range, 1 W average power @ 25°C and a nickel plated brass body.
50 ohm SMA attenuators with part number R4118xx121 have an DC 18 GHz operating frequency range, 2 W average power @ 25°C and a passivated stainless steel body.
50 ohm SMA attenuators with part number R4118xx122 have a DC 26.5 GHz operating frequency range, 2 W average power @ 25°C and a passivated stainless steel body.
Attenuators (dc to 18GHz)
Approvals
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Radiall SMA Commercial
SMA crimp termination types for use with a variety of flexible and semi-rigid cables
Cable plugs in captive contact form for mechanical reliability in adverse conditions, or non-captive form for optimum electrical performance
Bulkhead and panel types have captive contacts
Centre contacts require soldering unless otherwise stated
Connectors are available in gold plated and white bronze plated brass
End terminations and attenuators are in nickel plated brass
Connectors
Cable
RG402/405
Flexible cables
Impedance
50Ω
Frequency range
DC to 18 GHz
Insulation resistance
5000 MΩ min
Contact resistance
2mΩ
3mΩ
RG402
RG405
VSWR straight
1.05+0.01f
1.07+0.01f
1.15+0.2f
VSWR right angle
1.10+0.01f
1.10+0.01f
1.15+0.03f
Dielectric withstands voltage
1000Vrms
750Vrms
750Vrms
Materials
Housing
Brass
Centre contact
Female BeCu, Male brass
Insulators
PTFE
Gaskets
Silicone rubber
Plating
Housing solder/pcb
Gold
Housing crimp/panel
White bronze
Centre contact
Gold
Operating temperature
-65°C to +165°C -65 to +105°C
-65ºC to +105ºC
End Terminations
Frequency range
d.c. to 2.5GHz
d.c. to 18GHz
d.c. to 26....
