Flanged RF Attenuator 60W 35dB 50 Ohm DC–3 GHz | AlN Ceramic
Flanged RF Attenuator – 60 Watts, 35dB, 50 Ohm, DC to 3 GHz
Built for demanding RF and microwave applications, this high-power flanged attenuator delivers precise 35dB signal reduction across a wide frequency range from DC to 3 GHz. Engineered with an aluminum nitride (AlN) ceramic substrate and non-Nichrome resistive element, it handles up to 60 Watts of continuous power while maintaining stable, accurate performance. Every unit is 100% tested before shipping, ensuring consistent results in lab, broadcast, or industrial environments.
Key Features
- Frequency Range: DC – 3 GHz
- Power Handling: 60 Watts continuous
- Attenuation Value: 35 dB (±5% accuracy)
- Impedance: 50 Ohms
- Substrate: AlN (Aluminum Nitride) Ceramic – excellent thermal conductivity for high-power use
- Leads: Welded silver leads for reliable, low-resistance connections
- Resistive Element: Non-Nichrome film for superior linearity and frequency stability
- VSWR: Low 1.20:1 — minimizes signal reflections for cleaner signal paths
- Mounting: Flanged design for secure chassis or heatsink mounting and efficient heat dissipation
- Condition: Brand new, 100% tested
Specifications at a Glance
| Parameter | Value |
|---|---|
| Attenuation | 35 dB ± 5% |
| Power Rating | 60 Watts |
| Impedance | 50 Ohms |
| Frequency | DC – 3 GHz |
| VSWR | ≤ 1.20:1 |
| Substrate | AlN Ceramic |
| Resistive Element | Non-Nichrome |
| Mounting | Flanged |
Ideal Applications
- RF test benches and signal generators
- Amateur (HAM) radio transmitter testing
- Broadcast and telecommunications equipment
- Radar and microwave system design
- Power level adjustment in RF signal chains
Made in Mainland China.
For technical background on RF signal attenuation standards and measurement best practices, refer to the NIST RF & Microwave Calibration resources.
Frequently Asked Questions
Q: What connector type does this flanged RF attenuator use?
A: This attenuator features a flanged body (model RIG-2F-60W-35dB) designed for chassis or heatsink mounting. Please refer to the product images for connector interface details, as the flanged design accommodates standard RF coaxial connections compatible with 50-ohm systems.
Q: Why is AlN ceramic used as the substrate in this 60W attenuator?
A: Aluminum Nitride (AlN) ceramic offers exceptionally high thermal conductivity compared to standard alumina ceramic. This allows the attenuator to efficiently transfer heat away from the resistive element when handling high power levels (up to 60 Watts), ensuring stable attenuation accuracy and long component lifespan.
Q: What does a low VSWR of 1.20:1 mean for my RF system?
A: VSWR (Voltage Standing Wave Ratio) of 1.20:1 indicates that only a very small portion of the RF signal is reflected back toward the source. A lower VSWR means better impedance matching within your 50-ohm signal chain, resulting in cleaner signal transmission and minimal power loss due to reflections.
Q: Is this attenuator suitable for use in amateur (HAM) radio applications?
A: Yes. With a frequency range of DC to 3 GHz and a robust 60W power rating, this flanged attenuator is well-suited for HAM radio transmitter testing, dummy load applications, and signal path conditioning across HF, VHF, and UHF bands.