Product Overview
Engineered for steady, interference-free signal connectivity across consumer and industrial communication hardware, the SMB-JE is a mini-sized coaxial RF connector in the mainstream SMB product family. Equipped with a robust snap-on locking mechanism, it delivers far quicker mating and unmating operations than conventional thread-locked RF interfaces, eliminating the tedious manual twisting process during operation.
Thanks to its ultra-miniature physical profile, this connector fits perfectly into densely assembled RF systems. It is particularly well-suited for compact devices with cramped internal installation space and frequent disassembly and assembly needs, offering reliable signal performance alongside great operational flexibility for diverse field applications.
Connection Principle
Featuring a mature and field-proven snap-fit coupling design, the SMB-JE enables straightforward plug-in installation and firm self-locking positioning without any tools or threaded fastening. This simplified connection workflow greatly optimizes on-site assembly efficiency and lowers the maintenance workload for regular equipment inspection and troubleshooting.
Apart from user-friendly installation advantages, the refined internal structure ensures a continuous, consistent coaxial signal transmission channel between paired RF components. It effectively minimizes signal loss, transmission deviation and intermittent contact issues commonly seen with poorly fitted connectors, securing stable long-term signal operation.
Structure and Design
Each standard SMB jack connector is assembled with three core functional parts: a shielding metal outer conductor, a precision central contact pin, and a high-stability insulating dielectric structure. The precise structural coordination of these components builds a high-efficiency RF transmission pathway while ensuring excellent mechanical endurance against repeated plugging cycles.
Space-saving structural design is the core competitive strength of the entire SMB connector series. Its slim, compact form allows flexible embedding into highly integrated devices, covering RF terminal equipment, communication sensing modules, high-precision test instrumentation and various compact electronic devices with strict spatial layout constraints.
Main Technical Characteristics
The SMB-JE is professionally tuned and fully compatible with standard 50Ω RF circuit systems. It is important to note that core technical parameters and mounting configurations can be flexibly adjusted according to official product specifications and customers' unique on-site installation and application scenarios.
The core technical specifications are summarized as follows:
|
Impedance |
50Ω |
|
Frequency Range |
0-3GHz |
|
Working Voltage |
≤335V |
|
VSWR |
≤1.2 |
|
Insulation Resistance |
≥1000MΩ |
|
Withstanding Voltage |
1000V |
|
Center Contact Resistance(mΩ) |
≤6 |
|
Outer Contact Resistance(mΩ) |
≤1 |
Applications
The SMB-JE coaxial RF connector is widely adopted in wireless communication facilities, miniaturized RF functional modules, precision measurement and testing equipment, antenna connection terminals, portable wireless terminals and multi-type electronic control systems.
Its ultra-small size and fast assembly capability make this SMB PCB connector a preferred solution for devices requiring both space optimization and mass production assembly efficiency. Meanwhile, multiple mounting structural options are provided to adapt to diverse equipment design schemes.
About Tongda Electronics
Zhenjiang Tongda Electronics Co., Ltd. is a specialized manufacturer and supplier focused on RF connection system accessories. Our product lineup covers self-developed and mass-produced RF connectors, lightning surge protectors, custom RF jumper cables, adapter accessories and high-precision die-cast structural components.
We warmly welcome global clients for business consultation and technical cooperation. Whether you need standard SMB-JE products or personalized custom RF coaxial connection solutions, you can share your design drawings, physical samples or detailed technical requirements. Our professional technical team will provide one-on-one technical support and customize the most cost-effective solution for your project.
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