Description
The 10dB 100W RF Fixed Attenuator is a high-capacity passive component designed to reduce the power of an RF signal by exactly 10dB, providing a precise 10:1 power reduction. With a robust 100-Watt power handling capacity, it is specifically engineered to safely manage high-intensity power loads from transmitters and amplifiers, stepping them down to safe levels for spectrum analyzers, power meters, and receivers. This model is optimized for frequencies from DC to 3GHz, making it an essential tool for high-power telecommunications, 4G/LTE infrastructure, and broadcast applications.
The attenuator features an N-Type Male to N-Type Female inline configuration with a high-reliability threaded coupling mechanism. To effectively manage the substantial heat generated by 100W of continuous power, the device is housed in a massive anodized aluminum heat-sink body with deep longitudinal cooling fins. This design ensures maximum thermal dissipation and prevents attenuation drift during continuous, high-duty-cycle operation. Manufactured with premium PTFE dielectric and high-stability resistive elements, it maintains exceptional frequency flatness and low VSWR throughout its operating life.
Key Technical Advantages
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High-Power 100W Capacity: Specifically designed for high-power RF environments where lower-rated attenuators would suffer immediate thermal failure.
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Precise 10dB Power Reduction: Delivers an accurate ten-fold reduction in signal strength, allowing for the direct measurement of high-power equipment outputs with standard test gear.
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Superior Thermal Management: The oversized integrated heat-sink housing is optimized for high-efficiency heat transfer, ensuring the internal resistive elements remain within safe operating temperatures.
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Excellent Impedance Stability: Precision-engineered internals provide a low VSWR across the entire 3GHz band, protecting expensive signal sources from harmful reflections.
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Rugged N-Type Interface: Features industrial-grade threaded connectors designed for a secure, vibration-resistant connection in both field and laboratory settings.
Key Features
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Interface Type: N-Type Male (Plug) to N-Type Female (Jack).
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Attenuation Value: 10dB (Fixed).
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Power Rating: 100 Watts (Continuous Average).
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Frequency Range: DC – 3.0 GHz.
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Impedance: 50 Ohm (Standard).
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Construction: Heavy-duty Black Anodized Aluminum heat-sink with Nickel-Plated Brass connectors.
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Common Application: High-power transmitter output testing, base station signal conditioning, DAS installations, and high-intensity RF laboratory measurements.
Technical Summary
| Parameter | Specification |
| Impedance | 50 Ohm (Nominal) |
| Frequency Range | DC – 3 GHz |
| Attenuation Accuracy | ±0.8 dB to ±1.2 dB |
| VSWR | ≤ 1.30:1 (Typical) |
| Max Input Power | 100 Watts (Average) |
| Peak Power | 2 kW (5µs pulse width) |
| Operating Temp | -55°C ~ +125°C |




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