SSMP(M)-JHD25-S Ultra-Small RF Coaxial Connector | 50Ω | 50 GHz
Ultra-Small HUADA SSMP(M)-JHD25-S RF Coaxial Connector: High Performance at 50 GHz
The SSMP(M)-JHD25-S, also known as an SPMP connector, is a high-frequency blind-mate/push-on connector designed for RF and microwave applications. It typically operates up to 40 GHz (and can even reach 65 GHz with precision designs). What sets it apart is its miniaturized form factor – approximately 30% smaller than the standard SMP connector. Developed to enhance package density in RF/Microwave systems, the SSMP connector has become an industry standard (as per the MIL-STD-348 document). Its compact design allows engineers to optimize performance while reducing overall size. Notably, the SSMP connector can tolerate both radial and axial misalignment, making it ideal for repeated engagement and disengagement cycles without compromising electrical performance.
Key Features of the HUADA SSMP(M)-JHD25-S Connector
Frequency Range: The SSMP(M)-JHD25-S operates from DC up to 40 GHz (and can even reach 65 GHz with certain precision designs). This wide frequency range makes it suitable for high-frequency applications.
Impedance: The connector maintains a 50 Ω impedance, ensuring efficient signal transmission and compatibility with standard RF systems.
Subminiature Design: The SSMP(M)-JHD25-S is about 30% smaller than SMP connectors, making it ideal for space-constrained setups. Its miniaturized form factor enhances package density in RF/Microwave systems.
Blind-Mate Configuration: Designed for blind mating, this connector allows easy engagement and disengagement without compromising electrical performance. It’s a reliable solution for repeated cycles of connection and disconnection.
MIL-PRF-39012 Compliance: The SSMP(M)-JHD25-S adheres to the MIL-PRF-39012 standard, ensuring quality and reliability in military and high-grade commercial applications.
Tolerance to Radial and Axial Misalignment: Even under misalignment conditions, the SSMP(M)-JHD25-S maintains its electrical integrity. This feature is crucial for robust performance in real-world scenarios.
Applications: You’ll find SSMP connectors in phased arrays, airborne radar systems, active antennas, satellites, and various radar applications.
Technical Features Table
Impedance | 50 Ω |
Frequency Range | 50 GHz |
Insulation Resistance | 2000 MΩ |
Series | ultra-small RF coaxial connector |
Rated Withstand Voltage | 170 VRMS |
Contact Resistance Outside Conductor | regular ≤3.5 , airseal ≤5 mΩ |
Contact Resistance Inner Conductor | regular ≤8 , airseal ≤30 mΩ |

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