1.85mm Jack Solderless Straight Microstrip Connector DC–67 GHz VST-CPM185F-05

P/N:  VST-CPM185F-05

  • For repeatable microstrip PCB launch transitions
  • Solderless design for faster board-side installation
  • Two-hole mount for stable mechanical alignment
  • Well suited to 67 GHz test boards and validation
  • Supports precision microwave applications through 67 GHz
Engineering Note
VST-CPM185F-05 is a 1.85mm jack solderless straight connector for 50 ohm microstrip launches. It covers DC–67 GHz with VSWR ≤ 1.4 and uses a compact two-hole mounting format for repeatable board attachment. This structure is intended for high-frequency microstrip transitions where controlled impedance, stable contact geometry, and straightforward replacement on evaluation or test boards are required.

Technical Specifications

Part Number VST-CPM185F-05
Product Type 1.85mm Jack Solderless Straight Microstrip Connector
Interface 1.85mm Jack
Mounting Type Solderless Straight Mount
Application Structure For 50 ohm microstrip
Impedance 50 Ω
Frequency Range DC~67GHz
VSWR ≤1.4
Dielectric Withstand Voltage 500Vrms
Insulation Resistance 5000MΩ
Screw Stainless steel, passivated
Dielectric PEI
Outer Conductor Stainless steel, passivated
Center Conductor Beryllium Copper, gold
Mounting Thread M7x0.75-6g
Thread Detail 2x #0-80UNF-2B Thru.
Overall Length 11.1 mm
Flange Width 5.64 mm
PCB Hole Size 2x ∅1.6±0.03 Thru.
Recommended Signal Pad ∅1.2 min / ∅0.41 min shown on layout
PCB Layout Recommended PCB layout with ∅3.62 min circular grounding area shown on drawing

Target Applications

Microstrip PCB Launches
Intended for precision 50 ohm microstrip launches where solderless installation and stable high-frequency transition are required.

67 GHz Test Boards
Suitable for evaluation and fixture boards operating into the upper microwave range where connector consistency matters.

Precision Microwave Assemblies
Used in compact interconnect structures requiring a straight 1.85mm interface and repeatable mechanical attachment.

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