SMA Male Flange Mount Microstrip Connector 18GHz

SMA Male Flange Mount Microstrip Connector 18GHz 

SIPU RF Technology has announced the launch of the SIPU-SMA-JFD186G, an enterprise-grade 18GHz high frequency accuracy SMA Male Flange Mount Microstrip Connector 18GHz. This connection is used with frequency range from DC to 18 GHz and has excellent electrical performance with VSWR as low as 1.05 + 0.012 F(GHz) and insertion loss of 0.05 × √F(GHz) dB. This product is built to military-grade accuracy with over 25 years of RF technical know-how. Stainless steel passivated housing, gold plated brass center conductor and PTFE dielectric. 4-hole flange mount design offers a sturdy chassis installation and microstrip tail layout allows smooth PCB connection. This 50-ohm characteristic impedance connection is rated for over 500 mating cycles and satisfies the requirements of mission-critical telecommunications, aerospace and test systems.

SMA Male Flange Mount Microstrip Connector 18GHz Specifications

Understanding the precise parameters helps you evaluate whether this connector fits your application requirements. Below are the complete technical specifications:

Key Features & Benefits

Your system's reliability depends on connector quality. This connector offers several critical advantages for demanding applications.

The stainless steel passivated housing provides superior corrosion resistance and mechanical durability. This construction ensures long-term performance in harsh environments where exposure to moisture and temperature extremes is common.

Gold-plated center contacts guarantee excellent conductivity and oxidation resistance. You benefit from consistent electrical performance throughout the connector's operational life, with center contact resistance maintained below 3.0 mΩ.

The flange-mount configuration eliminates mechanical stress on PCB solder joints. Unlike edge-mount alternatives, this design distributes mounting forces across four secure fastening points, preventing fatigue failures in vibration-prone installations.

PTFE dielectric material maintains stable electrical properties across the full temperature range. Your signal integrity remains consistent from -65℃ to +125℃, making this connector suitable for aerospace and outdoor telecommunications equipment.

Microstrip Design Advantages

The microstrip tail features slotted construction with a tab-style inner conductor for soldered interconnection. Its specialized profile enables direct mating with printed transmission lines on the circuit board.

Impedance matching becomes straightforward with the precisely dimensioned tail slot measuring 0.5 mm width by 0.9 mm depth. You can achieve optimal 50Ω impedance transition, minimizing signal reflections that degrade system performance.

Signal loss reduction is inherent in the microstrip design. The short transition distance between the connector and PCB trace minimizes parasitic effects, preserving signal quality at frequencies approaching 18 GHz.

Installation flexibility allows for compact system designs. The flange mount secures the connector to your chassis while the microstrip tail extends through to interface with internal circuitry, saving valuable space in high-density RF modules.

Quality Control Standards

Every connector undergoes stringent inspection to ensure consistent performance. SIPU RF Technology implements comprehensive quality protocols throughout production.

Batch-level plating inspection verifies coating thickness and adhesion strength. Each production run includes testing to confirm gold plating meets durability specifications for contact surfaces and passivation quality for the stainless steel housing.

Dielectric withstanding voltage testing uses specialized instrumentation to verify 1,000V rating. You receive connectors that have been validated for electrical safety and insulation integrity before shipment.

Environmental compliance is verified through RoHS testing for every batch. Your procurement meets international environmental standards without requiring additional certification efforts.

Dimensional verification confirms mechanical compatibility. Precision gauging ensures proper mating with standard SMA interfaces and correct tail slot dimensions for your PCB fabrication tolerances.

Application Scenarios

This SMA Male Flange Mount Microstrip Connector 18GHz serves critical roles across multiple industries where reliability cannot be compromised.

Telecommunications Infrastructure: 5G base stations and repeater systems require robust connections for RF signal distribution. The connector's 18 GHz capability accommodates emerging millimeter-wave frequencies while the flange mount withstands outdoor installation conditions.

Aerospace and Defense Systems: Radar modules, electronic warfare equipment, and satellite communication systems demand connectors that perform under extreme vibration and temperature cycling. The mechanically secure flange attachment and wide operating temperature range meet these stringent requirements.

Test and Measurement Equipment: RF signal generators, spectrum analyzers, and network analyzers benefit from the connector's low insertion loss and excellent VSWR performance. Your calibration accuracy improves when test connections maintain consistent electrical characteristics through hundreds of mating cycles.

Industrial Electronics: High-frequency data transmission systems and microwave sensors in manufacturing automation utilize this connector for reliable signal routing between control modules and sensor arrays.

Frequently Asked Questions

Q:What makes the flange mount superior to standard PCB edge-mount connectors?

A:The flange mount distributes mechanical stress across multiple fastening points secured to your chassis or enclosure. This prevents the PCB from bearing connector mating forces, significantly reducing the risk of solder joint failure in applications subject to vibration or frequent connect/disconnect cycles.

Q:How do I ensure proper impedance matching with my PCB design?

A:Design your microstrip trace to maintain 50Ω impedance and position it to align with the connector tail slot. The 0.5 mm width specification provides your layout engineer the dimensional reference needed for creating an optimized transition region on the circuit board.

Q:What is the expected service life in outdoor applications?

A:With proper installation and environmental sealing, you can expect performance exceeding 500 mating cycles. The stainless steel construction and silicon rubber sealing provide protection against moisture ingress when used with appropriate gaskets in weather-exposed installations.

Q:Can this connector handle high-power RF transmission?

A:The connector is optimized for signal-level applications typical in receivers, transmitters, and test systems. Power handling depends on frequency, VSWR, and thermal management in your specific installation. Contact our engineering team for power rating guidance for your application.

Q:Is this connector compatible with military specifications?

A:The design follows principles consistent with MIL-STD-348 geometry for SMA interfaces. SIPU manufactures according to strict quality standards, though specific military qualification status should be confirmed for your procurement requirements.

Contact Us

Contact SIPU RF Technology at info@sipuconn.com for technical support, custom solutions, or to request samples. Our SMA Male Flange Mount Microstrip Connector 18GHz's team responds within 12 hours to help you select the optimal interconnect solution.