1.0 mm Female to 1.85 mm Male RF Adapter DC–67 GHz VST-A-10F185M-02

P/N: VST-A-10F185M-02

  • 1.0 mm female to 1.85 mm male straight RF adapter, DC–67 GHz
  • 50 Ω impedance; VSWR ≤ 1.3
  • Dielectric withstand voltage: 200 Vrms; insulation resistance: 5000 MΩ
  • 16.85 mm overall length; two HEX8 wrench flats and Ø9 mm diameter as shown
  • Passivated stainless steel outer conductor; gold-plated beryllium copper center conductor


Product overview

VST-A-10F185M-02 is a straight, 50 Ω precision RF adapter with a 1.0 mm female interface on one end and a 1.85 mm male interface on the other. Designed for DC–67 GHz interconnects, it provides a compact interface transition for millimeter-wave test setups and component characterization.

Technical specifications

Electrical performance
Frequency range DC–67 GHz
Impedance 50 Ω
VSWR ≤ 1.3
Dielectric withstand voltage 200 Vrms
Insulation resistance 5000 MΩ
Interface & mechanical specifications
Configuration 1.0 mm female to 1.85 mm male, straight
1.0 mm interface thread M4 × 0.7-6g (as shown in drawing)
Overall length 16.85 mm
Hexagonal sections 2 × 8 mm across flats (HEX8)
Diameter indicated on drawing Ø9 mm
Materials & construction
Outer conductor Stainless steel, passivated
Center conductor Beryllium copper, gold plated
Dielectric PEI

Connection & handling

The 1.0 mm female end mates with a compatible 1.0 mm male connector; the 1.85 mm male end mates with a compatible 1.85 mm female connector. Inspect and align the precision interfaces before mating and apply the connector-specific tightening procedure. Refer to the drawing for the 16.85 mm overall length and wrench-access dimensions.

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