1.85 mm Male-to-Female Precision Fixed Attenuator Series, 2 W, DC–67 GHz | VST-U-185XX0201-67G
P/N: VST-U-185XX0201-67G
• DC–67 GHz Broadband Performance
• 1–10 dB + 20 dB Fixed Attenuation Values
• 2 W Power Rating | 50 Ω
• VSWR ≤1.45
• Precision 1.85 mm Male-to-Female Interface
• Passivated Stainless-Steel Body with Gold-Plated BeCu Contacts
VST-U-185XX0201-67G is a 50 Ω 1.85 mm male-to-female precision fixed attenuator series covering DC to 67 GHz. The series is available in 1–10 dB nominal attenuation values, plus a 20 dB option, for fixed level reduction in broadband RF and millimeter-wave measurement paths.
The attenuators are rated for 2 W with a maximum VSWR of 1.45:1. Passivated stainless-steel construction and gold-plated BeCu inner contacts provide a compact inline solution for compatible 1.85 mm coaxial test systems.
DC–67 GHz Broadband Performance
Broadband operation for RF and millimeter-wave measurement paths through 67 GHz.
1–10 dB + 20 dB Fixed Attenuation
Available in nominal attenuation values from 1 to 10 dB, plus a 20 dB option.
2 W Power Rating | 50 Ω
2 W rated power with 50 Ω nominal impedance.
VSWR ≤1.45
Maximum specified VSWR of 1.45:1 across the rated frequency range.
Precision 1.85 mm Male-to-Female Interface
Inline male-to-female configuration for compatible precision coaxial test paths.
Stainless-Steel Construction & Gold-Plated BeCu Contacts
Passivated stainless-steel body and connector outer parts with gold-plated BeCu inner contacts.
| Attenuation Range / Value | 1–9 dB | 10 dB | 20 dB |
|---|---|---|---|
| Attenuation Tolerance | -1.0 / +1.5 dB | -1.0 / +1.5 dB | -1.0 / +2.0 dB |
The male-to-female configuration allows direct inline insertion between compatible 1.85 mm interfaces. Select the nominal attenuation value according to the required signal-level reduction and power conditions of the measurement setup.
| Series Part Number | VST-U-185XX0201-67G |
|---|---|
| Frequency Range | DC–67 GHz |
| Available Attenuation | 1–10 dB / 20 dB |
| VSWR | 1.45:1 Max. |
| Impedance | 50 Ω |
| Power Rating | 2 W |
| Temperature Range | -55°C to +125°C |
| Connector Configuration | 1.85 mm Male-to-Female |
|---|---|
| Connector Outer Material | Stainless steel, passivated |
| Male Inner Contact | Beryllium copper, gold-plated |
| Female Inner Contact | Beryllium copper, gold-plated |
| Body Material | Stainless steel, passivated |
| Overall Size | Ø8 × 26.9 mm ±2% |
| Weight | 5 g |
| Compliance | RoHS |
Millimeter-Wave Test Systems
Fixed signal-level reduction in broadband measurement paths through 67 GHz.
VNA Measurement Chains
Inline attenuation between compatible instrumentation, fixtures, adapters, and devices under test.
RF & Millimeter-Wave Device Test
Inline attenuation for component, module, and device measurements through 67 GHz.
1.85 mm Interconnect Systems
Fixed level reduction in compatible 1.85 mm coaxial test assemblies.
Series Part Number
VST-U-185XX0201-67G
XX denotes the selected attenuation value. Available nominal values: 1–10 dB and 20 dB.
RF Test Documentation
RF test report available upon request.
Use appropriate handling and mating practices for 1.85 mm precision interfaces. Avoid unnecessary mechanical loading during installation and removal.
Configure a 1.85 mm Fixed Attenuator for Your Test Setup
Specify the required attenuation value, operating frequency, power level, and interface requirements for quotation or technical review.
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