SMA Female Flange Mount RF Connector - 4 Hole Flange, Stainless Steel, 50 Ohm

SMA Female Flange Mount RF Connector: 4-Hole Flange, Stainless Steel, 50 Ohm Impedance

Connector Series: SMA
Connector Gender: Female
Connector Angle: Straight
Mounting Method: 4 Hole Flange
Impedance: 50 ohm
Frequency Range: DC to 18 GHz
VSWR: ≤1.25:1
Insertion Loss: 0.05 × √(f_GHz)
Voltage Rating: 150 V(rms)
Dielectric Withstanding Voltage: 500 V
Operating Temperature Range: -45°C to +125°C
Mating Cycles: ≥500 cycles
Center Contact Material: Beryllium Copper Gold Plated
MOQ & Customization: 1 Piece (Standard & Custom Designs, Global Orders Accepted)

CAD data

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SMA Female Flange Mount RF Connector Product Advantages

Superior RF Performance for Demanding Applications
Engineered to deliver exceptional signal integrity, our SMA female flange mount connector features 50-ohm impedance and operates across a broad DC to 18GHz frequency range. It maintains excellent VSWR ≤1.25:1 across the entire spectrum with minimal insertion loss of 0.05 × √(f_GHz), ensuring reliable performance in telecommunications, test equipment, and aerospace applications.

Premium Materials for Enhanced Durability
Constructed with gold-plated beryllium copper center contacts for optimal conductivity and corrosion resistance. The stainless steel passivated body provides superior mechanical strength, while PTFE insulators maintain stable electrical properties across the operating temperature range from -45°C to +125°C.

Robust Mechanical Design for Long Service Life
Designed to withstand rigorous use, this connector offers ≥500 mating cycles while maintaining consistent performance. The secure 4-hole flange mounting ensures stable installation, complemented by 5-7 in-lbs mating torque specification for reliable connections in high-vibration environments.

Rigorous Environmental Compliance
Fully compliant with MIL-STD-202 standards for salt spray corrosion, vibration, shock, and thermal shock resistance. The connector demonstrates reliable performance under extreme conditions including moisture resistance and high-altitude operation up to 70,000 feet, making it suitable for military and aerospace applications.

Unmatched Ordering Flexibility and Global Support
We break industry norms by offering minimum order quantity of just 1 piece, eliminating inventory burdens for startups and enterprises alike. Custom designs also start from 1 piece with comprehensive technical support. Global orders are welcome with competitive pricing and fast turnaround times, ideal for prototyping, research, and production applications worldwide.

Comprehensive Quality Assurance
Every connector undergoes strict electrical testing and environmental simulation verification. Full compliance with RoHS environmental requirements ensures environmental responsibility, while professional technical support and after-sales service guarantee customer satisfaction across all applications.

Production Process

Product Detail Sheet

Category	Parameter	Description
Product Information	Product Name	SMA Female Flange Mount Connector
	Brand	REECUFUTURE
	Minimum Order Quantity	1 Piece
	Packaging	Boxed
	Origin	Shanghai, China
Configuration	Connector Series	SMA
	Connector Gender	Female
	Connector Angle	Straight
	Connector Mount Method	4 Hole Flange
	Attachment Method	Solder
	Interface Type	Stub Terminal
Material	Centre Contact	Beryllium-copper, gold plated
	Body	Stainless Steel, Passivated
	Insulators	PTFE
Electrical Specifications	Impedance	50 ohm
	Frequency Range(From DC)	18GHz
	VSWR	≤1.25:1 (DC 0~18GHz)
	Insertion Loss	0.05 xSqt.(f_ Ghz)
	Voltage Rating	150 V(rms)
	Dielectric Withstanding Voltage	500 V
	Insulation Resistance	≥500 Mohm
Mechanical Characteristics	Mating Cycles	≥500 cycles
Mechanical Characteristics	Mating Torque	5-7 in – lbs
Environmental Characteristics (RoHS Compliant)	Temperature Rating	-45°C ~ +125°C
	Corrosion (Salt Spray)	MIL-STD-202, Method 101, Condition B
	Vibration	MIL-STD-202, Method 204, Condition D, 20 Gs
	Shock	MIL-STD-202, Method 213, Condition I, 100 Gs
	Thermal Shock	MIL-STD-202, Method 107. Cond. B, -40°C to +85°C
	Moisture Resistance	MIL-STD-202, Method 106, Less Step 7B
	Barometric Pressure (Altitude)	MIL-STD-202, Method 105, Condition C, 70k Ft.

Packaging & Shipping

📦 Precision ESD-Safe Packaging
Every RF component—from connectors and probes to cable assemblies—is secured with multi-layer, ESD-compliant packaging. We use static-shielding bags, custom-fit foam inserts, and reinforced boxes to prevent physical shock, moisture, and electrostatic discharge during transit, ensuring product integrity upon arrival.

✈️ Global Logistics & Express Shipping
We partner with leading global express carriers like DHL, FedEx, and UPS, alongside air and ocean freight specialists. We tailor shipping solutions from China to worldwide destinations, supporting everything from sample parcels to bulk orders under EXW, FOB, or CIF terms. Our service includes full documentation, customs brokerage, and real-time tracking for seamless door-to-door delivery.

🕒 Reliable & On-Time Delivery
Leveraging seasoned logistics coordination and reliable carrier relationships, we guarantee timely and accurate fulfillment. Whether you're ordering R&D samples or production volumes, we ensure swift processing and punctual shipping—so you can stay on schedule and focused on innovation.

Industry Applications

🔧 Core Technology Sectors
Our precision RF components serve mission-critical applications across 8 key sectors: 5G communications, automotive electronics, aerospace/defense, semiconductor testing, IoT, medical electronics, satellite communications, and industrial automation. Each domain relies on our solutions for uncompromised signal integrity.

🛠 Tailored Performance Solutions
We develop specialized configurations for unique industry requirements – from phase-stable cable assemblies for radar systems to micro-pitch probes for chipset validation. Our engineering team translates technical specifications into reliable performance under demanding operating conditions.

💡 Cross-Industry Innovation Synergy
By serving diverse sectors, we accumulate unique insights that drive innovation. Technologies developed for aerospace often benefit automotive applications, creating continuous improvement cycles that deliver superior value to all partners.

FAQ

Q1: What is your minimum order quantity and do you accept custom designs?
A: Our MOQ is 1 piece for both standard and custom designs, and we accept global orders. This allows us to serve all customers from prototype development to mass production.

Q2: What are the key specifications of this SMA female flange connector?
A: It features 50 ohm impedance, stainless steel construction, 4-hole flange mounting, and operates up to 18 GHz with excellent VSWR performance.

Q3: What is the frequency range of this connector?
A: This SMA connector is designed to operate effectively up to 18 GHz, making it suitable for most RF applications.

Q4: What materials are used in the construction?
A: The body is made of stainless steel for durability, with gold-plated brass center contact and PTFE insulation.

Q5: What is the VSWR performance?
A: The connector maintains VSWR ≤1.25:1 across its operating frequency range, ensuring minimal signal reflection.

Q6: What is the mating cycle durability?
A: This connector is rated for ≥500 mating cycles while maintaining stable electrical performance.

Q7: What are the environmental specifications?
A: It operates from -55°C to +125°C and meets MIL-STD-202 standards for vibration, shock, and environmental resistance.

Q8: What cable types are compatible with this connector?
A: It’s compatible with various coaxial cables including RG316, RG174, and semi-rigid cables up to 4mm diameter.

Q9: What is the delivery time for custom orders?
A: Standard products ship in 5 days; custom orders typically require 7-15 days depending on specifications.

Q10: Do you provide technical support for custom applications?
A: Yes, our engineering team provides free technical support to help optimize connector selection for your specific application requirements.

Our Partners

🏭 Premium Material Suppliers
We maintain strategic partnerships with globally leading raw material providers. These collaborations ensure our access to high-grade metals, premium dielectric materials, and advanced plating solutions, forming the essential foundation for manufacturing reliable RF components.

🔬 Technology Innovators
Through close cooperation with leading testing equipment manufacturers and research institutions, we continuously refine our production techniques and quality standards. These technical alliances enable us to stay at the forefront of RF component manufacturing and validation technology.

🤝 Certified Service Providers
We work with accredited logistics and certification partners worldwide to ensure timely delivery and compliance with international standards. This network guarantees that our products reach global customers efficiently while maintaining consistent quality assurance.