SMB Flange Mount Connector | 2-Hole Flange, 4GHz, 4mm Pin, 50 Ohm

SMB Flange Mount Connector – 2-Hole Flange, 4mm Pin, 4GHz

Connector Series: SMB
Connector Gender: Jack
Connector Angle: Straight
Interface Type: Stub Terminal
Impedance: 50 ohm
Frequency Range: DC to 4 GHz
VSWR: ≤1.25:1 (DC 0~4GHz)
Insertion Loss: 0.05 x√(f_GHz)
Voltage Rating: 150 V(rms)
Mating Cycles: ≥500 cycles
Center Contact Material: Brass, gold plated
Body Material: Brass, gold plated
Operating Temperature: -45°C to +125°C
RoHS Compliance: Yes
MOQ & Customization: 1 Piece (Standard & Custom Designs, Global Orders Accepted)

CAD data

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SMB Stub Terminal Connector: Reliable RF Interconnect with Maximum Flexibility

Designed for robust RF applications requiring secure connections, our SMB Stub Terminal Connector delivers exceptional performance while providing unprecedented procurement flexibility for projects of any scale.

Unmatched Procurement Advantage

We’ve eliminated traditional barriers to support your projects with our flexible ordering system.

Single-Unit Ordering: Our Minimum Order Quantity is just 1 piece – ideal for prototype development, testing phases, or specialized applications requiring precise quantities.
Customization Without Limits: Custom designs maintain the same 1-piece MOQ – modify terminal specifications, materials, or performance parameters starting from a single unit.
Global Service Network: We efficiently process international orders from all regions, providing consistent quality and technical support worldwide.

Superior RF Performance in Stub Terminal Design

Engineered for applications where reliable RF performance and secure connections are paramount.

Reliable Frequency Coverage: Operates from DC to 4GHz, supporting wireless communications, test equipment, and industrial control systems.
Excellent Signal Integrity: Maintains 50-ohm impedance with VSWR ≤1.25:1 across the operating band, ensuring minimal signal reflection.
Stub Terminal Interface: Provides secure and reliable connection points for various RF system configurations.

Robust Construction for Demanding Environments

Built to withstand challenging conditions while maintaining consistent electrical performance.

Premium Material Selection: Gold-plated brass contacts and housing ensure low resistance and superior corrosion resistance, complemented by PTFE insulators for electrical stability.
Straight Configuration: Optimized for applications where space constraints and direct connections are required.
Proven Durability: Rated for ≥500 mating cycles, guaranteeing long-term reliability in demanding applications.
Secure Solder Attachment: Ensures reliable electrical and mechanical connections in various installation scenarios.

Comprehensive Quality Assurance

Rigorous Environmental Testing: Meets MIL-STD-202 standards for vibration, shock, thermal shock, and salt spray corrosion resistance.
Extended Temperature Range: Operates reliably from -45°C to +125°C, suitable for industrial, commercial, and outdoor applications.
Environmental Compliance: Fully RoHS compliant, meeting international environmental standards and regulatory requirements.

Enhance your RF system reliability with our robust SMB stub terminal connector. Benefit from single-piece sourcing combined with superior RF performance. Contact us today for standard or custom SMB connector solutions to meet your specific application requirements.

Production Process

Product Detail Sheet

Category	Parameter	Description
Product Information	Product Name	SMB Flange Mount Connector
	Brand	REECUFUTURE
	Minimum Order Quantity	1 Piece
	Packaging	Boxed
	Origin	Shanghai, China
Configuration	Connector Series	SMB
	Connector Gender	Jack
	Connector Angle	Straight
	Connector Mount Method	None
	Attachment Method	Solder
	Interface Type	Stub Terminal
Material	Centre Contact	Brass, gold plated
	Body	Brass, gold plated
	Insulators	PTFE
Electrical Specifications	Impedance	50 ohm
	Frequency Range(From DC)	4GHZ
	VSWR	≤1.25:1 (DC 0~4GHz)
	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

1. What is your minimum order quantity and does it apply to custom designs?
Our MOQ is just 1 piece, and this applies to both standard and custom designs. We accept global orders for all prototyping and production requirements.

2. What is the frequency range of this SMB connector?
This connector supports frequencies up to 4GHz, suitable for various RF and wireless applications.

3. What are the flange mounting specifications?
This connector features a secure 2-hole flange mount design for robust mechanical attachment.

4. What is the pin diameter specification?
The connector features a 4mm pin diameter for reliable electrical connection.

5. What is the outer conductor diameter?
The outer conductor diameter is 4mm, ensuring proper impedance matching.

6. What is the connector’s impedance rating?
This is a standard 50 ohm impedance connector, ensuring excellent signal integrity.

7. What materials are used in construction?
It features gold-plated brass contacts and body with PTFE insulators for optimal RF performance.

8. How many mating cycles is it rated for?
The connector is rated for ≥500 mating cycles, ensuring long-term reliability.

9. What is the operating temperature range?
It operates from -45°C to +125°C, suitable for various environmental conditions.

10. Is this connector RoHS compliant?
Yes, it’s fully RoHS compliant, meeting international environmental standards.

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.