SMA Coaxial Attenuator, 2 Watts

SMA series coaxial fixed attenuator covers frequency from DC to 18GHz and features low VSWR, flatness attenuation value and excellent capacity in anti-pulse and anti-burnout etc..

Coaxial fixed attenuators are used in absorbing energy of transmission line, expanding power range and controlling power level, they are also used in accurately measuring power or spectrum of RF microwave transmitters accompany with small power meter, comprehensive tester or spectrum analyzer.

Key Features

Wide frequency range up to 18 GHz

2 W average power and 0.5 kW peak power

Low VSWR and flatness attenuation

50 ohm nominal impedance

Custom designs available for other special attenuation value & accuracy

SMA-XX-6

•  Frequency range: DC – 6 GHz

•  Max. VSWR: 1.20

•  Attenuation value: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 20, 30, 40, 50 dB (refer to XX)

•  Accuracy: ±0.5dB for 1-9/10 attenuation, ±0.6dB for 20/30 attenuation, ±0.8dB for 40/50 attenuation

SMA-XX-8

•  Frequency range: DC – 8 GHz

•  Max. VSWR: 1.25

•  Attenuation value: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 20, 30, 40, 50 dB (refer to XX)

•  Accuracy: ±0.6dB for 1-9 attenuation, ±0.5dB for 10 attenuation, ±0.8dB for 20/30/40/50 attenuation

SMA-XX-12.4

•  Frequency range: DC – 12.4 GHz

•  Max. VSWR: 1.30

•  Attenuation value: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 20, 30, 40, 50 dB (refer to XX)

•  Accuracy: ±0.8dB for 1-9 attenuation, ±0.75dB for 10 attenuation, ±1.0dB for 20/30/40/50 attenuation

SMA-XX-18

•  Frequency range: DC – 18 GHz

•  Max. VSWR: 1.35

•  Attenuation value: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 20, 30, 40, 50 dB (refer to XX)

•  Accuracy: ±1.0dB

(A type for 1-30 dB, B type for 40/50 dB)

Average Power

2W average to 25°C ambient temperature, derated linearly to 0.5W @ 125°C

Peak Power

0.5 kW (5μs pulse width with 0.4% duty cycle)

Connector Type

SMA (M,F),  50 ohm

Connectors

Brass gold or nickel plated

Pin

Male: brass gold plated

Female: beryllium copper gold plated

Housing

Brass gold or nickel plated

Dimension

•  A type: (J,K) Ø10 × 30 mm,  (K,K) Ø10 × 28.6 mm

•  B type: Ø10 × 38 mm

Weight

• A type: 10 g

• B type: 12 g

Temperature Range

-55°C to +125°C

RoHS Complient

Yes

Main Module

Module No. Item Description
SMA-XX-6 Coaxial Fixed Attenuator DC to 6 GHz, XX refers to the attenuation value which is 1-9,10,20,30,40,50
SMA-XX-8 Coaxial Fixed Attenuator DC to 8 GHz, XX refers to the attenuation value which is 1-9,10,20,30,40,50
SMA-XX-12.4 Coaxial Fixed Attenuator DC to 12.4 GHz, XX refers to the attenuation value which is 1-9,10,20,30,40,50
SMA-XX-18 Coaxial Fixed Attenuator DC to 18 GHz, XX refers to the attenuation value which is 1-9,10,20,30,40,50

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