Description
The SMB Female (Jack) Crimp Connector is a subminiature RF interface engineered for rapid and reliable cable assembly in space-constrained applications. It is specifically precision-machined to accommodate the thin-profile dimensions of LMR-100, RG-174, and RG-316 coaxial cables. The design utilizes a high-strength crimp termination for both the center contact and the outer ferrule, ensuring a permanent mechanical bond and consistent electrical performance.
Built for the 50-Ohm impedance standard, the SMB interface features a snap-on coupling mechanism that allows for quick mating and unmating without the need for threading or tools. This makes it an ideal solution for internal signal routing and high-vibration environments where a standard SMA might loosen over time. The connector body is manufactured from high-grade brass with premium gold plating, which offers superior conductivity and protects against oxidation. With its compact footprint and broadband performance up to 4 GHz, this connector is widely used in telecommunications, base station hardware, and industrial wireless modules.
Key Technical Advantages
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Triple-Cable Versatility: Engineered with exact tolerances to provide a seamless fit for LMR-100, RG-174, and RG-316 series cables, ensuring minimal VSWR and signal leakage.
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Rapid Snap-On Integration: The spring-loaded mating mechanism ensures a secure, “click-lock” connection, significantly reducing assembly and maintenance time in the field.
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High-Strength Crimp Termination: The dual-crimp design provides exceptional pull strength, ensuring the cable remains securely attached even under mechanical stress or constant motion.
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Superior Signal Integrity: Gold-plated center and outer contacts maintain low contact resistance and high conductivity across thousands of mating cycles.
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Vibration-Proof Design: The snap-on interface is inherently resistant to loosening caused by vibration, making it safer than threaded connectors in automotive or aerospace applications.
Key Features
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Interface Type: SMB Female (Jack) with a 50-Ohm snap-on interface.
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Cable Compatibility: Optimized for LMR-100, RG-174, RG-188, and RG-316 (approx. 2.5mm–2.8mm OD).
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High-Grade Materials: Features a gold-plated brass body and a durable PTFE (Teflon) dielectric.
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Broadband Range: Supports reliable RF signal transmission from DC up to 4 GHz.
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Industrial Standard Compliance: Meets standard SMB interface requirements for intermateability with all standard SMB male (plug) connectors.
Technical Summary
| Parameter | Specification |
| Impedance | 50 Ohm |
| Frequency Range | DC – 4 GHz |
| Body Finish | Gold Plated / Nickel Plated |
| Center Contact | Beryllium Copper (Gold Plated) |
| Insulator | PTFE (Teflon) |
| Termination Type | Crimp (Center Pin & Outer Ferrule) |
| Operating Temp | -65°C ~ +165°C |




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