Precision 1.85 mm Female-to-Female RF Coaxial Adapter, DC–67 GHz

P/N:  VST-A-185F185F-01

– DC–67 GHz coverage for precision mmWave measurement paths
– 1.85 mm female-to-female format couples matching male interfaces
– VSWR ≤ 1.25 supports low-reflection inline RF connections
– 28.9 mm straight body with dual M7 threaded interfaces
– Suitable for VNA, mmWave fixture, and module-level verification

Engineering Note
VST-A-185F185F-01 is a precision 1.85 mm female-to-female RF coaxial adapter for DC–67 GHz measurement paths that need a straight-through connection between two matching male interfaces. Its 50 Ω design, VSWR ≤ 1.25, 28.9 mm straight body, dual M7 × 0.75-6G threads, PEI dielectric, passivated stainless steel outer conductor, and gold-plated beryllium copper center conductor support VNA measurement chains, mmWave characterization fixtures, and module-level RF verification.

Technical Specifications

Model VST-A-185F185F-01
Product Type Precision RF coaxial adapter
Interface 1.85 mm Jack to 1.85 mm Jack (Female-to-Female)
Frequency Range DC–67 GHz
Impedance 50 Ω
VSWR ≤ 1.25
Dielectric Withstand Voltage 350 Vrms
Insulation Resistance 5000 MΩ
Overall Length 28.9 mm
Interface Thread M7 × 0.75-6G, both ends
Dielectric PEI
Outer Conductor Stainless steel, passivated
Center Conductor Beryllium copper, gold-plated

Target Applications

67 GHz VNA Measurement Paths

Female-to-female 1.85 mm coupling for test chains that must join two precision male interfaces without changing connector series.

mmWave Characterization Fixtures

VSWR ≤ 1.25 and a defined 28.9 mm straight body support fixture layouts where reflection control and axial spacing guide adapter selection.

High-Frequency Test Fixtures

Dual M7 × 0.75-6G interfaces provide a defined threaded connection between instrument-side and device-side 1.85 mm male ports.

Compact RF Module Verification

The straight coaxial format supports short inline connections for module and subsystem checks through 67 GHz.

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