Key Specifications
Type Design:
Precision
Connection Type:
In-Series
Connector 1 Series:
2.92mm
Connector 1 Gender:
Plug (Male)
Connector 2 Series:
2.92mm
Connector 2 Gender:
Jack (Female)
Impedance (Ohm):
50
Body Style:
Straight
Connector 1 Connection Method:
Threaded (Screw-lock)
Connector 2 Connection Method:
Threaded (Screw-lock)
Frequency, Max (GHz):
40
Connector 1 Body Material:
Stainless Steel
Connector 1 Body Plating:
Passivated
Connector 2 Body Material:
Stainless Steel
Connector 2 Body Plating:
Passivated
VSWR, Max:
1.35
Power, Max (Watts):
50
Attenuation Max. (dB):
20
Description
2.92 mm Fixed Attenuator | Plug (Male) to Jack (Female) | 20 dB | 50 W | Screw-Lock | Stainless Steel Body, Passivated
ROSNOL FA-K1K25A-40G50W20/9XX-9X is a 2.92 mm fixed attenuator operating from DC to 40 GHz at 50 Ω impedance with VSWR ≤ 1.35. It supports 50 W average power at 25 °C and is designed for high-power RF applications. Nominal attenuation accuracy for 20 dB is −2.0 / +3.0 dB. The screw-lock coupling ensures secure mating with torque range 0.80–1.10 Nm and durability of ≥ 500 cycles. Temperature range −55 °C to +125 °C.The center contact is beryllium copper with gold plating over a non-magnetic nickel-phosphorus underlayer (approx. 3 μin Au over 80 μin Ni-P) for enhanced conductivity and corrosion resistance. The body and coupling nut are stainless steel with passivated finish, while silicone rubber gaskets provide sealing. An integrated black anodized aluminum heatsink ensures superior thermal management, maintaining performance stability under extreme conditions.
ROSNOL’s precision-engineered RF attenuators deliver high performance and consistent value for RF and microwave systems. Manufactured in ISO 9001–certified facilities, all ROSNOL components comply with RoHS and REACH. ROSNOL provides cost-effective alternatives to leading European and American brands and offers comprehensive customization for materials, plating, and mechanical design.
