SMP Male Limited Detent Microstrip Thread Mount Connector

SMP Male Limited Detent Microstrip Thread Mount Connector 

SIPU RF Technology's SMP Male Limited Detent Microstrip Thread Mount Connector (Model: SIPU-SMP-JYD30G-S) delivers enterprise-grade performance for applications demanding compact dimensions and reliable signal integrity. Operating across DC to 40 GHz, this connector maintains a characteristic impedance of 50Ω with VSWR ≤1.5, ensuring minimal signal reflection.

The limited detent mechanism provides controlled retention through a 9N engagement force and 2.2N separation force, enabling 500 mating cycles.Easy to assemble and disassemble, suitable for frequent‑mating environments with effortless operation. Manufactured with gold-plated beryllium bronze center contacts and passivated stainless steel outer conductors, the connector achieves center contact resistance ≤6.0mΩ and outer contact resistance ≤2.0mΩ. Operating reliably from -65℃ to +125℃, it withstands 500V dielectric voltage while maintaining ≥5,000MΩ insulation resistance.

SMP Male Limited Detent Microstrip Thread Mount Connector Specifications

What Makes This Connector Essential

The SMP Male Limited Detent Microstrip Thread Mount Connector serves as a specialized sub-miniature push-on interface engineered for microwave applications reaching 40 GHz. Its limited detent variant strikes an optimal balance—providing stronger retention than smooth bore interfaces while allowing easier disconnection compared to full detent versions.

This design addresses three critical challenges. First, it solves high-density packaging constraints in modular RF systems. Second, the threaded mounting configuration delivers superior mechanical stability in high-vibration environments where solder-only connections may fail. Third, the microstrip-optimized pin geometry ensures precise impedance matching at the PCB interface, minimizing parasitic capacitance.

Your design benefits from smooth bore construction that simplifies mating procedures. The threaded barrel enables secure chassis or bulkhead integration while supporting blind-mate scenarios with axial and radial misalignment compensation.

Engineering Advantages

The light-detent mechanism delivers moderate retention force that balances secure connectivity with smooth mating operations. You'll experience consistent performance across hundreds of connection cycles without degrading mechanical integrity.

Microstrip configuration provides easy integration onto PCB with no discontinuities in signal flow. The direct transition from connection to microstrip transmission line decreases the insertion loss and preserves the signal integrity throughout broad bandwidths.

The threaded installation provides more mechanical stability and resistance to vibration than the press-fit mounting. The arrangement offers enhanced grounding and EMI shielding for dependable operation in harsh electromagnetic conditions.

The small form factor is well suited for high density RF modules when space restrictions influence design decisions. Gold plating on beryllium bronze contacts provides better conductivity and resistance to corrosion throughout the life of the connection.

Primary Applications

This connection is used for phased-array radar modules and UAV communication lines in aerospace and defence applications. The restricted detent mechanism enables fast replacement of line replaceable units (LRUs) and maintains signal lock under high G-force circumstances.

These connections are used in high-speed backplane assemblies, large MIMO antenna arrays in the telecommunications infrastructure segment, notably in 5G and upcoming 6G networks. The thread-mount style provides environmental sealing against moisture infiltration for outdoor applications.

These connections are used for test and measurement equipment used in multi-port automated test systems. The microstrip transition enables for accurate calibration. The restricted detent interface permits thousands of mate cycles without damaging the DUT connections.

This connection is used in industrial electronics, scientific research facilities, RF test equipment, laboratory instruments and experimental setups that need stable high-frequency performance.

Quality Control Process

SIPU implements rigorous inspection protocols to ensure consistent performance. Each batch undergoes plating quality verification using X-ray fluorescence to confirm gold plating thickness meets specifications, ensuring low contact resistance throughout the 500-cycle lifespan.

RoHS environmental compliance testing occurs for every production batch, guaranteeing regulatory conformance for global markets. Dimensional gauging verifies that the limited detent profile meets precise tolerances to prevent intermittent contact issues.

Dielectric withstanding voltage and insulation resistance testing validates electrical safety margins. Every unit receives mechanical force verification to ensure engagement and separation forces remain within specified ranges.

Plating adhesion testing confirms the bond strength between base materials and conductive layers. This prevents delamination during thermal cycling or mechanical stress, maintaining reliable electrical performance throughout operational life.

Frequently Asked Questions

Q: What distinguishes Limited Detent from Full Detent variants?

A: Limited Detent offers lower retention force, ideal for multi-connector arrays where high extraction forces could damage PCB microstrip interfaces. You'll find easier disconnection in maintenance scenarios while maintaining secure connections during operation.

Q: Can this connector work with different PCB substrate materials?

A: Yes, it accommodates various PCB materials. However, launch geometry may require optimization for specific dielectric constants like Rogers 4350B or FR4 to minimize signal reflections and maintain optimal VSWR performance.

Q: Is this connector compatible with standard SMP female cable assemblies?

A: Absolutely. It provides full intermateability with any SMP female (socket) connector following MIL-STD-348 specifications, ensuring flexibility in system design and component sourcing.

Q: How does threaded mounting affect thermal management?

A: The metal mounting structure acts as a heat dissipation path, transferring thermal energy from the microstrip junction to the chassis. This enhances thermal performance in high-power applications.

Q: What maintenance considerations should I observe?

A: Inspect for visible wear after approaching the 500-cycle rating. Avoid exceeding specified mating forces. Clean contacts with appropriate solvents if contamination occurs. Store unused connectors in controlled environments to prevent oxidation.

Get Your Custom Solution Today

Contact our SMP Male Limited Detent Microstrip Thread Mount Connector's team at info@sipuconn.com to discuss your specific requirements, request samples, or receive technical consultation for your next high-frequency project.