SMP Connectors
High-frequency, board-to-board blind-mate solutions in compact form
Overview
Amphenol RF’s SMP connectors deliver reliable RF performance in tight, board-to-board blind-mate environments. Their compact push‑on design enables fast, tool‑less assembly while preserving high-frequency integrity—all within a footprint optimized for dense PCB layouts.
Engineered for rugged applications, SMP connectors support broadband operation up to 40 GHz with precise impedance control. Ideal for modular systems, they simplify interconnect design without sacrificing RF performance or mechanical reliability.
Features and Benefits
- Broadband performance reaching up to 40 GHz
- Compact blind‑mate push‑on design for quick assembly
- High mechanical durability with excellent retention force
- Consistent 50 Ω contact system ensuring signal integrity
- Modular compatibility for multi-board system layouts
Key Technical Details
- Impedance: 50 Ω controlled
- RF frequency: Up to 40 GHz (dependent on cable/PCB layout)
- Blind‑mate coupling: Push‑on interface, no tools required
- Mechanical strength: High retention and contact force
- Surface finish: Gold-plated for enhanced conductivity
Applications
- Board‑to‑board wireless communication modules
- High‑speed test and measurement equipment
- Aerospace and defense RF subsystems
- Modular instrumentation arrays
- Ruggedized telecom hardware
Explore our catalog of SMP standard connectors. For custom centerline offsets, plating options or unique configurations, contact our expert team—we’re ready to help tailor a solution to your needs.
Specifications
SMP Connectors
Electrical
| Impedance | 50 Ohm |
| Frequency Range | DC - 26.5 GHz (DC - 40 GHz on Extended Range Designs) |
| Voltage Rating | 335 Volts RMS Max Continuous |
| Dielectric Withstanding Voltage | 500 VRMS Min |
| VSWR (Return Loss) |
|
|
DC - 18 GHz
|
1.2 (-21 dB) Max |
|
18 - 26.5 GHz
|
1.3 (-18 dB) Max |
|
26.5 - 40 GHz
|
1.7 (-12 dB) Max |
| Insulation Resistance | 5000 MΩ Min |
| Center Contact Resistance | 6 mΩ Max |
| Outer Contact Resistance | 2 mΩ Max |
| RF Leakage | -85 dB Max (DC - 4 GHz) |
| Insertion Loss | .1 √(f(GHz)) dB Max |
| Power Handling | 32 W @ 1 GHz @ 25ºC |
Environmental
| Temperature Range | −65°C to +165°C |
| Thermal Shock | MIL-STD-202, Method 107, Condition C |
| Corrosion | MIL-STD-202 Method 101 (Test Condition B) - 5% Salt Solution |
| Vibration | MIL-STD-202, Method 204, Condition B |
| Mechanical Shock | MIL-STD-202, Method 213, Condition B |
| Moisture Resistance | MIL-STD-202, Method 106, Condition D |
Mechanical
| Mating Cycles | 100 Min |
| Coupling Mechanism | Push-On |
| Interface Specification | MIL-STD-348 |
| Engagement Force | ≤ 15.0 lbs (40 N) |
| Disengagement Force | ≤ 0.5 lbs (2N) |
| Mechanical Misalignment |
|
|
Axial
|
0.25 mm |
|
Radial
|
0.51 mm |
|
Min Board to Board Distance
|
9.1 mm |
Note: These characteristics are typical and may not apply to all connectors.
Connector configurations may affect performance.
Related Resources
Achieve reliable high-density connections in tight spaces with the new SMP to SMPM adapter
Amphenol RF is pleased to announce the expansion of our coaxial adapter portfolio with a new SMP straight plug to SMPM straight plug adapter offering high-frequency performance in a low-profile package.
Enhance performance with new SMP connectors and terminators
Amphenol RF is pleased to announce the expansion of the SMP product series with enhanced performance connectors and the introduction of terminators. SMP connectors are ideal for telecommunications and military applications which require compact, board-to-board RF interconnect.
High-performance and flexibility with new SMA to SMP cable assembly configuration
Amphenol RF is pleased to introduce a new configuration of SMA to SMP assemblies to our expansive line of fixed-length cable assemblies.
Non-magnetic SMP product line developed for specialized applications
Amphenol RF is pleased to announce the expansion of the microminiature SMP product series to include non-magnetic connector and adapter options.
Attain unrivaled performance with new 2.92 mm cable assemblies
Amphenol RF is pleased to introduce additional pre-configured 2.92 mm cable assembly configurations which feature a 2.92 mm connector and the option of an SMP or SMPM connector attached on the opposing end.
Newly released product series solution guide
Amphenol RF is pleased to announce our new SMP Product Series Solution Guide. This catalog offers a comprehensive overview of our complete range of SMP products, along with the technical specifications necessary for designing this product for your next project.
Improved performance and assembly with new SMP connector
Amphenol RF is pleased to announce the expansion of the SMP product series with a new right‐angle cable plug designed for easier assembly and improved performance.
SMPM Plug to Plug Cable Assembly Datasheet
The Amphenol RF SMPM Plug to Plug Cable Assemblies datasheet highlights 50 ohm assemblies on conformable and flexible cables, suitable for frequencies from DC to 18 GHz. These micro-miniature, push-on connectors are ideal for high-vibration environments and applications such as antennas, test equipment, military, quantum computing, and radar.
Non-Magnetic SMP Solutions
Amphenol RF's Non-Magnetic SMP Solutions provide high-performance RF connectors and adapters with low magnetic field susceptibility, ideal for medical, aerospace, and quantum computing applications. These 50 ohm connectors offer reliable electrical performance up to 40 GHz, feature a snap-on locking mechanism, and are constructed from non-ferrous materials, ensuring no electric field distortion while providing the same reliable connections as standard SMP products.
PSMP Connector Series
The Amphenol RF PSMP Cut Sheet highlights the PSMP connector series, a versatile RF solution engineered for high-power applications requiring robust performance and flexibility. This series is designed to handle high-frequency signals with excellent electrical performance, making it ideal for base stations, power amplifiers, and industrial applications. The PSMP connectors feature a compact, high-reliability design with options for smooth bore and full detent mating styles, ensuring secure connections while accommodating misalignment.
SMP Cable Assemblies
The Amphenol RF SMP Fixed Length Cable Assemblies cut sheet details SMP plug-to-plug cable assemblies using TFlex 405 and .085” conformable cables. These assemblies support frequencies from DC to 26.5 GHz and are ideal for high-vibration applications, offering push-on and snap-on mating styles. Available in lengths from 3 to 36 inches, these assemblies are designed for use in antennas, broadband, military, and instrumentation applications.
SMPM Cable Assemblies
The Amphenol RF SMPM Fixed Length Cable Assemblies cut sheet details micro-miniature SMPM plug-to-plug cable assemblies designed for high-frequency applications up to 20 GHz. These assemblies, available in standard lengths from 3 to 48 inches (or 100 to 2000 millimeters), feature conformable semi-rigid cables in .085" and .047" diameters. Ideal for antennas, backplane, broadband, wireless, military, and instrumentation applications, these assemblies offer push-on mating styles and accommodate both radial and axial misalignment.
SMPM Connector Series
The Amphenol RF SMPM Connector cut sheet highlights micro-miniature connectors with a frequency range of DC to 65 GHz, suitable for high-frequency coaxial applications. These connectors feature push-on and snap-on mating styles, accommodating both radial and axial misalignment, and are ideal for high-vibration environments. Available in various configurations, including surface mount, through-hole, right-angle, and edge mount, SMPM connectors are commonly used in antennas, broadband, military, and instrumentation applications.
Board-to-Board Solutions
Amphenol RF's board-to-board solutions provide high-performance interconnect options designed for seamless integration in various applications. These solutions ensure reliable connectivity between PCBs, optimizing space and maintaining signal integrity across different frequencies and environments. The product line includes a variety of connector configurations to meet specific design requirements, supporting a wide range of industries from telecommunications to industrial automation.
Amphenol RF SMP Product Series Solutions Guide
The Amphenol RF SMP Product Series Solutions Guide highlights high-performance microminiature connectors suitable for applications up to 40 GHz, with a focus on board-to-board and cable-to-board configurations. Key features include the ability to tolerate misalignment, various detent systems for different engagement forces, and options for non-magnetic materials ideal for medical, aerospace, and quantum computing applications.
Amphenol RF SMPM Product Series Solutions Guide
The Amphenol RF SMPM Product Series Solutions Guide provides an overview of the compact, high-frequency SMPM connector series. It details their lightweight design, high-density packaging, and superior electrical performance, making them ideal for aerospace, defense, and high-speed communication applications.
Amphenol RF New 2.92 mm Cable Assemblies Datasheet
Amphenol RF New 2.92 mm Cable Assemblies datasheet with features, benefits, applications, and ordering information.
Amphenol RF PSMP Product Series Solutions Guide
The Amphenol RF PSMP Product Series Catalog outlines PSMP coaxial connectors designed for board-to-board and high-power RF interconnects. It highlights interface options, electrical and mechanical characteristics, and configurations supporting up to 10 GHz operation with robust blind-mate performance for compact, high-density RF applications.
Amphenol RF Board-to-Board Connectors: Reliable High-Frequency Solutions!
Amphenol RF offers a cutting-edge range of board-to-board RF connectors, designed for seamless high-frequency signal transmission. These connectors are essential for applications in 5G, IoT, automotive, aerospace, and industrial automation, ensuring reliable and high-performance connectivity in compact designs.
🔹 Key Benefits:
✔️ High-frequency performance
✔️ Secure and durable connections
✔️ Compact & versatile for modern PCB designs
Watch this short to see how Amphenol RF’s board-to-board connectors optimize signal integrity across industries!
📌 Learn more: https://www.amphenolrf.com/board-to-board-rf-connectors
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Amphenol RF Technical Demonstration Series: Board-to-Board and Automotive Solutions
Learn more about Amphenol RF's board-to-board and automotive solutions with Amphenol RF Asia product manager, Isabella Zhang.
Board-to-board solutions: https://www.amphenolrf.com/board-to-board-rf-connectors
Automotive Solutions: https://www.amphenolrf.com/automotive
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