DC-67 GHz, 1-40 dB, 5 Watts, 1.85mm, Bidirectional - SRFS-67XX185C5
The SRFS-67XX185C5 1.85mm Bidirectional Fixed Attenuator is a high-performance RF component designed for applications up to 67 GHz. Offering selectable attenuation from 1 to 40 dB and handling power up to 5 Watts, it provides precise and reliable signal control. Its bidirectional design supports flexible signal-path configurations while maintaining excellent RF performance. The attenuator is ideal for RF testing, measurement systems, microwave instrumentation, aerospace, defense, telecommunications, and high-frequency research. Engineered for low VSWR, stable impedance, and dependable operation, it delivers consistent attenuation and signal integrity across demanding high-frequency applications.
Electrical Specifications
| Impedance | 50 ohm | |||
| Frequency Range | DC-67 GHz | |||
| VSWR | 1.45 max | |||
| Input Avg Power | 5W @ 25°C ambient, derating linearly to 0.5W at 100°C | |||
| Peak Power | 50W (5 micro-sec pulse width, 4% duty cycle) | |||
| Direction | Bidirectional, 1.85mm female to 1.85mm male (other configurations available) | |||
| Attenuation (dB) | 1-3 | 4-8 | 9-25 | 26-40 |
| Accuracy (dB) | -0.7/+1.0 | -0.8/+1.2 | -0.8/+0.8 | -0.9/+1.2 |
Mechanical Specifications
| Connector Body | Passivated stainless steel |
| Heat Sink | Black anodized aluminum |
| Center Contact | 1.27um Gold plated BeCu |
| Net Weight | Approx 28 g |
Environmental Specifications
| Operating Temperature | -55°C to 100°C |
| Storage Temperature | -55°C to 125°C |
| RoHS | Compliant |
| Temperature Coefficient | <0.0004 dB/dB/°C |