SMA25coaxial fixed attenuators' average power 25W，frequency range from DC-26.5GHz 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 Nickel Plated |
Male Pin |
Brass Gold Plated |
Female Pin |
Beryllium Copper Gold Plated |
Housing |
Aluminum, Black Anodize |
Temp Range |
-55° C ~ +125° C |
Dimensions |
Ø63×47mm |
Weight |
115g |
RoHS Complient: Yes
ELECTRICAL SPECIFICATIONS:
Model Number |
Frequency Range(GHz) |
Attenuation Value & Accuracy (dB) |
Max VSWR |
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| 10 | 20 | 30 | 40 | |||
SMA25-XX-8 |
DC-8 |
±0.4 |
±0.5 |
±0.5 |
±0.5 |
1.20 |
SMA25-XX-12.4 |
DC-12.4 |
±0.5 |
±0.8 |
±0.8 |
±0.8 |
1.25 |
SMA25-XX-18 |
DC-18 |
±1.0 |
±1.0 |
±1.0 |
±1.0 |
1.30 |
SMA25-XX-26.5 |
DC-26.5 |
±1.2 |
±1.2 |
±1.2 |
±1.2 |
1.35 |
Note: XX refer to attenuation value in dB
NOMINAL IMPEDANCE: 50Ω
AVERAGE POWER: 25W average to 25°C ambient temperature, derated linearly to 2.5W @ 125°C.
PEAK POWER: 0.5KW (5μs pulse width with 5% duty cycle)
CONNECTOR TYPE: SMA, 2.92mm(≥18GHz)
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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