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FME PCB Connectors Custom

Home / Products / Coaxial Connectors / FME RF Coaxial Connectors / FME PCB Connectors

Yangzhou Jingcheng Electronics Co., Ltd.
  • Coaxial Connectors
  • Coaxial Lightning Protector
  • Reverse Polarity Connectors
Yangzhou Jingcheng Electronics Co., Ltd.
Yangzhou Jingcheng Electronics Co., Ltd.
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FME PCB Connectors Manufacturer

Product Overview
The FME PCB connector mounts directly onto a printed circuit board, providing a panel-accessible FME mating interface that allows antenna cables to be connected directly to the board-level RF circuitry of compact wireless modules, automotive telematics PCBs, and IoT device mainboards — eliminating the pigtail cable assembly that would otherwise be required between an off-board connector and the PCB trace.

Key Features
Through-hole and SMT mounting options for compatibility with both wave-solder and reflow PCB assembly processes
Precision center pin height and board alignment geometry ensuring consistent 50 Ω impedance at the PCB-to-connector transition
FME mating interface fully conforming to FME connector standard for universal mating compatibility with FME cable connectors
Compact board footprint allowing high-density PCB layouts in miniaturized wireless module designs
Robust mechanical retention via PCB mount flange or through-hole solder posts, providing resistance to cable mating pull-out forces
Gold-plated center contact and controlled plating on outer body for reliable solderability and long-term contact resistance stability
Low-profile body minimizing PCB board-height envelope for slim-profile device designs
RoHS-compliant; automotive PPAP documentation support available on request

Typical Applications
Automotive telematics control unit (TCU) and V2X module PCB antenna ports
Compact IoT mainboard direct antenna connection ports for smart home and industrial wireless devices
Mobile device and wearable technology RF module PCB antenna interfaces
Vehicle GPS/GNSS receiver module PCB antenna connection points
Compact wireless industrial sensor and gateway PCB RF ports

FAQ
Q: Can your FME PCB connectors be used in automotive-grade temperature environments?
A: Our FME PCB connectors are manufactured using materials and plating processes selected for the temperature and humidity cycling requirements of automotive electronics environments; customers with specific automotive qualification requirements should contact our team to discuss applicable testing and documentation.
Q: Do you provide a recommended PCB footprint and soldering guidelines for your FME PCB connectors?
A: Yes — recommended footprint, land pattern, and soldering process guidelines are supplied with each FME PCB connector model, and our engineering team can review customer Gerber files to confirm layout compatibility before PCB fabrication.

About
Yangzhou Jingcheng Electronics Co., Ltd.
Yangzhou Jingcheng Electronics Co., Ltd.

Yangzhou Jingcheng Electronics Co., Ltd., a premier China FME PCB Connectors Manufacturer and FME PCB Connectors Supplier, was founded in 1999. It is a high-tech enterprise specializing in the R&D and manufacturing of RF coaxial connectors, cable assemblies, and passive microwave components.
Equipped with a comprehensive R&D and production system, the company has obtained international certifications including ISO9001. Adhering strictly to standards such as MIL, IEC and GB, we offer over 30 product series with more than 2,000 specifications, covering SMA, BNC, N-type and other mainstream models. Our products are widely applied in the fields of communications, aerospace, automotive electronics and beyond, and exported to many countries and regions across Europe, America and Asia.
We uphold the tenet of "Quality as the Foundation, Customers as the Core", committed to providing reliable interconnection solutions and professional services for global clients.

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FME PCB Connectors Industry knowledge

FME PCB connectors are board-mount RF coaxial connectors built on the FME interface, intended for direct mounting onto a printed circuit board rather than termination onto cable. The FME interface uses a push-fit engagement instead of a threaded coupling, so mating and unmating are completed by axial hand pressure alone, without a wrench or torque control.

The connector body carries a spring-loaded center contact within a smooth outer shell that is soldered or press-fit to the board pads and through-holes. Signal continuity between the board trace and the mating cable assembly depends on friction contact between the plug and jack rather than a locking groove, which keeps the connector footprint small on densely populated boards. This construction is why FME PCB connectors are placed at RF module edges and internal signal transition points.

Core Performance Parameters

The connector operates at a 50 Ω characteristic impedance and covers a frequency range from DC to 3 GHz, matching most mobile radio, cellular, and GPS signal bands used on the connected board.

Typical electrical and mechanical specifications
Parameter Typical Value
Impedance 50 Ω
Frequency Range DC – 3 GHz
VSWR ≤ 1.3
Mounting Style PCB through-hole or edge mount
Mating Cycles ≥ 100

Typical Applications

The board-mount format and tool-free mating of FME PCB connectors make them suited to equipment where an internal circuit board needs a direct interface to an external or module-to-module RF cable.

  • Vehicle-mounted radio circuit boards and antenna interface modules
  • Cellular signal booster and repeater control boards
  • GPS and GNSS receiver modules
  • CB radio and marine radio internal RF boards

Comparison with Other Board-Mount RF Interfaces

Compared with threaded board-mount interfaces, FME PCB connectors allow faster hand-mating without torque control, but retention force is lower, so they are better suited to fixed-position enclosures than to equipment subject to frequent movement or vibration. Compared with snap-on board-mount interfaces, the FME footprint is comparable in size but relies on friction contact rather than a locking detent.

Comparison of coupling type, frequency range and retention across board-mount coaxial interfaces
Interface Type Coupling Frequency Range Retention
Push-fit, non-threaded Hand press-fit DC–3 GHz Low to moderate
Threaded subminiature Screw thread DC–18 GHz and above High
Snap-on subminiature Push and click DC–6 GHz Moderate

Installation and Maintenance

  1. Align the connector pins with the board pads before soldering to avoid mechanical stress on the shell.
  2. Verify the solder joints on the ground shell are continuous to maintain shielding integrity.
  3. Mate the cable connector by pressing straight in until fully seated; unmate by pulling straight back.
  4. Avoid applying side load to the mated connector during equipment handling or transport.
  5. Inspect the center contact and board solder joints periodically, and replace the connector if VSWR readings drift out of specification.

Frequently Asked Questions

What mounting options are available for FME PCB connectors?

Common options include right-angle and vertical through-hole mounting, selected according to board layout and enclosure clearance.

Can FME PCB connectors be reflow soldered?

Through-hole versions are typically wave or hand soldered; reflow compatibility depends on the specific plating and housing material, so the datasheet for the selected part should be checked.

Why does signal loss increase after repeated mating?

Since contact relies on friction fit rather than a lock, repeated insertion and removal can gradually wear the center contact, which is why mating cycles should be tracked against the rated limit.

Manufacturing Background

Yangzhou Jingcheng Electronics Co., Ltd. produces FME PCB connectors along with a broad range of RF coaxial connectors and cable assemblies under ISO9001 quality management, following MIL, IEC, and GB reference standards across more than 30 connector series for communications, automotive, and mobile equipment applications.