DC-67 GHz, 3-40 dB, 10 Watts, 1.85mm, Unidirectional - SRFS-67XX185D10
The SRFS-67XX185D10 1.85mm Unidirectional Fixed Attenuator is a high-performance RF component designed for applications up to 67 GHz. Available in attenuation values from 3 to 40 dB, it supports power levels up to 10 Watts for reliable signal control. Its precision 1.85mm interface provides excellent electrical performance, low VSWR, and stable signal attenuation across a wide frequency range. The unidirectional design makes it suitable for RF testing, measurement systems, microwave equipment, aerospace, defense, telecommunications, and laboratory applications. Engineered for demanding high-frequency environments, it delivers consistent performance and dependable signal management.
Electrical Specifications
| Impedance | 50 ohm | |||
| Frequency Range | DC-67 GHz | |||
| VSWR | 1.45 max | |||
| Input Avg Power | 10W @ 25°C ambient, derating linearly to 1W at 100°C | |||
| Peak Power | 50W (5 micro-sec pulse width, 6% duty cycle) | |||
| Direction | Unidirectional, 1.85mm male input, 1.85mm female output (other configurations available) | |||
| Attenuation (dB) | 3-10 | 20 | 30 | 40 |
| Accuracy (dB) | -1.5/+1.8 | -1.2/+1.5 | -1.2/+1.5 | -1.2/+1.5 |
Mechanical Specifications
| Connector Body | Passivated stainless steel |
| Heat Sink | Black anodized aluminum |
| Center Contact | 1.27um Gold plated BeCu |
| Net Weight | Approx 55 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 |