SMP Male Limited Detent PCB Connector

SMP Male Limited Detent PCB Connector 

SIPU RF Technology Co., Ltd. presents the SMP Male Limited Detent PCB Connector (Model: SIPU-SMP-JHD), engineered for reliable high-frequency performance in space-constrained environments. This connector delivers exceptional electrical performance across DC-40 GHz with a VSWR of ≤1.10 + 0.01f (GHz) and insertion loss of ≤0.07√f (GHz) dB. Manufactured with military-grade standards, it features beryllium bronze gold-plated center conductors and stainless steel passivated outer conductors.

The limited detent interface provides reliable blind-mate capability with optimized engagement force. Rated for over 500 mating cycles and operational across -65°C to +125°C, this product combines compact design with robust mechanical stability, making it ideal for telecommunications, aerospace, and test equipment applications requiring consistent 50Ω impedance performance.

SMP Male Limited Detent PCB Connector Specifications

Key Features and Benefits

Optimized Blind-Mate Design

The limited detent mechanism enables effortless connection in applications where visual access is restricted. Your modular systems benefit from reduced assembly time while maintaining secure retention under typical vibration conditions.

Superior High-Frequency Performance

Precision-engineered impedance control ensures minimal signal reflection across the entire 40 GHz bandwidth. The gold-plated contact surfaces deliver consistent low insertion loss, critical for maintaining signal integrity in demanding RF environments.

Space-Efficient PCB Integration

The compact straight configuration allows you to maximize board real estate without compromising electrical performance. Solder cup termination provides reliable mechanical attachment to microstrip layouts.

Robust Environmental Resistance

With operational capability from -65°C to +125°C and PTFE dielectric insulation, this connector withstands extreme thermal cycling. The stainless steel passivated construction offers excellent corrosion resistance for harsh deployment conditions.

Extended Service Life

Rated for over 500 mating cycles, the beryllium bronze contacts maintain stable electrical properties throughout the product lifecycle. Gold plating on critical surfaces prevents oxidation and ensures long-term reliability.

Quality Control and Testing

SIPU implements comprehensive inspection procedures to guarantee consistent performance. Each production batch undergoes dielectric withstanding voltage and insulation resistance verification using specialized testing equipment. We verify contact resistance for both center and outer conductors to ensure specification compliance.

Strict quality control is implemented for product plating. Each batch is subjected to plating thickness, adhesion and salt‑spray resistance tests. Raw‑material RoHS compliance verification is performed for every batch, and manufacturing is carried out in accordance with advanced international and domestic standards.

Our quality management system follows ISO 9001 certification requirements. Dimensional accuracy is maintained through precision CNC machining processes, while final inspection validates mechanical mating force characteristics specific to the limited detent interface.

Application Scenarios

Telecommunications Infrastructure

The SMP Male Limited Detent PCB Connector serves 5G base station modules where high-density RF connections require both performance and reliability. Its compact footprint accommodates modern equipment miniaturization trends.

Aerospace and Defense Systems

Mission-critical avionics and radar systems benefit from the connector's wide temperature range and vibration resistance. The blind-mate capability simplifies maintenance procedures for line-replaceable units.

Test and Measurement Equipment

Laboratory-grade RF instrumentation demands low VSWR and stable insertion loss. This connector's precision manufacturing ensures repeatable measurements across the full frequency spectrum.

Industrial Electronics

Automated production equipment and wireless communication modules leverage the connector's durability and consistent electrical performance for long-term operational stability.

Installation Guidelines

PCB pad arrangement is critical for best electrical performance. Make that the microstrip transitions have 50 ohm impedance across the connection footprint. The solder cup design is compatible with common reflow solder profiles with PTFE dielectric certified for Lead-Free operations.

Check alignment tolerances before installing. The restricted detent design is such that little positional changes are permissible, but the suggested axial and radial alignment will avoid early wear.

Provide enough room around the connection body to allow mating and demating. In the straight orientation, perpendicular access to the PCB surface is required.

Frequently Asked Questions

Q: What distinguishes the limited detent interface from other SMP variants?

A: Limited detent offers lower engagement and disengagement pressures than complete detent designs, allowing for simpler hand mating, while yet providing enough retention for most applications.

Q: How many connection cycles can I anticipate before decrease in performance?

A: This connection is specified for a minimum of 500 mating cycles when utilised within the specified alignment tolerances. The gold plating provides constant contact resistance throughout the life cycle.

Q: Can I use this connection in a fully automated board assembly process?

A: Yes, solder cup termination may be used with normal lead free reflow soldering profiles. PTFE dielectric is typically rated for peak temperatures of ~260°C.

Q: Is this connection suitable for outdoor installation?

A: The stainless steel passivated design offers exceptional corrosion resistance and the working range from -65°C to +125°C handles most outdoor temperature situations.

Q: What applications does this connection best fit for frequency range?

A: It is applicable for millimeter-wave applications like 5G communications, satellite systems, and high-frequency test equipment with performance standards up to 40 GHz.

Contact Us

Our SMP Male Limited Detent PCB Connector's team provides technical support for product selection and custom configurations. Reach us at info@sipuconn.com for rapid response to your requirements.