1.85mm Female Solderless Straight Microstrip Connector DC–65 GHz VST-CPM185F-04
P/N: VST-CPM185F-04
- For repeatable 50 ohm microstrip PCB launches
- Pogo pin contact for consistent board-side mating
- Solderless design for easier installation and replacement
- Well suited to 65 GHz test boards and fixtures
- Supports precision microwave applications through 65 GHz
Engineering Note
VST-CPM185F-04 is a 1.85mm female solderless straight connector intended for 50 ohm microstrip launches. It covers DC–65 GHz with VSWR ≤ 1.3 and uses a pogo pin contact structure with a two-hole mounting format. This configuration is suitable for precision microwave boards where controlled microstrip transition, repeatable assembly, and convenient replacement are required.
Technical Specifications
| Part Number | VST-CPM185F-04 |
|---|---|
| Product Type | 1.85mm Female Solderless Straight Microstrip Connector |
| Interface | 1.85mm Female |
| Mounting Type | Solderless Straight Mount |
| Application Structure | For 50 ohm microstrip |
| Impedance | 50 Ω |
| Frequency Range | DC~65GHz |
| VSWR | ≤1.3 |
| 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 |
| Contact Structure | Pogo pin |
| Included Hardware | 2 pcs screw, separate packing |
| Overall Length | 12.72 mm |
| Flange Width | 5.64 mm |
| PCB Hole Size | 2x ∅1.6±0.03 Thru |
| Recommended Signal Pad | ∅0.29±0.03 |
| PCB Layout | Recommended PCB layout with ∅0.41 min, ∅1.2 min, and ∅3.62 min features 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.
65 GHz Test Boards
Suitable for evaluation and fixture boards operating into the upper microwave range where contact consistency matters.
Precision Microwave Assemblies
Used in compact interconnect structures requiring a straight 1.85mm female interface and repeatable mechanical attachment.
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