SMA coaxial fixed attenuators' average power 2W，frequency range from DC-18GHz and feature wide frequency band, 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.
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MECHANICAL SPECIFICATIONS |
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Connectors |
Brass Gold Plated |
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Male Pin |
Brass Gold Plated |
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Female Pin |
Beryllium Copper Gold Plated |
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Housing |
Brass Gold Plated |
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Temp Range |
-55° C ~ +125° C |
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Dimensions |
SMA:(J,K):Ø10×30mm |
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Weight |
SMA:10g; SMA-B:12g |
RoHS Complient: Yes
ELECTRICAL SPECIFICATIONS:
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Model Number |
Frequency Range(GHz) |
Attenuation Value & Accuracy (dB) |
Max VSWR |
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1-9 |
10 | 20 | 30 | 40 | 50 | |||
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SMA-XX-6 |
DC-6 |
±0.5 |
±0.5 |
±0.6 |
±0.6 |
±0.8 |
±0.8 |
1.20 |
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SMA-XX-8 |
DC-8 |
±0.6 |
±0.5 |
±0.8 |
±0.8 |
±0.8 |
±0.8 |
1.25 |
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SMA-XX-12.4 |
DC-12.4 |
±0.8 |
±0.75 |
±1.0 |
±1.0 |
±1.0 |
±1.0 |
1.30 |
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SMA-XX-18 |
DC-18 |
±1.0 |
±1.0 |
±1.0 |
±1.0 |
±1.0 |
±1.0 |
1.35 |
Note: XX refer to attenuation value in dB, 40/50dB only for type B
NOMINAL IMPEDANCE: 50Ω
AVERAGE POWER: 2W average to 25°C ambient temperature, derated linearly to 0.5W @ 125°C.
PEAK POWER: 0.5KW (5μs pulse width with 0.4% duty cycle)
CONNECTOR TYPE: SMA(M,F)
Notes:
1. Dimensions Tolerance ±5%
2. Unless otherwise specified, the dimensions and technical indicators correspond to the N-type connector.
3. Custom designs available for other special attenuation value & accuracy.
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