DC-67 GHz, 1-40 dB, 2 Watts, 1.85mm, Bidirectional - SRFS-67XX185C2
The SRFS-67XX185C2 1.85mm Bidirectional Fixed Attenuator is a high-performance RF component designed for precision signal attenuation from DC to 67 GHz. Offering selectable attenuation values from 1 to 40 dB and 2 W power handling, it provides reliable and accurate signal control in demanding high-frequency applications. Its bidirectional design enables flexible use in both signal directions while maintaining excellent RF performance, impedance matching, and low VSWR. Ideal for RF testing, measurement systems, aerospace, defense, telecommunications, semiconductor testing, and microwave applications, this attenuator ensures stable performance and dependable operation across wide frequency ranges.
Electrical Specifications
| Impedance | 50 ohm | |||
| Frequency Range | DC-67 GHz | |||
| VSWR | 1.3 max | |||
| Input Avg Power | 2W @ 25°C ambient, derating linearly to 0.2W at 100°C | |||
| Peak Power | 50W (5 micro-sec pulse width, 2% 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) | -0.6/+0.9 | -0.7/+1.0 | -0.8/+0.8 | -0.9/+1.0 |
Mechanical Specifications
| Connector Body | Passivated stainless steel |
| Heat Sink | N/A |
| Center Contact | 1.27um Gold plated BeCu |
| Net Weight | Approx 3.5 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 |