SIPU RF Technology Co., Ltd. is one of the SMB Female Right Angle Connector (Model: SIPU-SMB-KW3) manufacturers with over 25 years of precise engineering experience. The connection has a 50Ω characteristic impedance and works across a frequency range from DC to 4GHz. It offers excellent signal integrity for your mission-critical applications with VSWR of ≤1.5 and insertion loss of ≤0.1√F(GHz)dB. The connection has a dielectric voltage of up to 750V and an insulation resistance of ≥1,000MΩ. Center contact resistance ≤6.0mΩ and outside contact resistance ≤1.0mΩ are maintained for reliable electrical performance throughout 500 mating cycles and temperature range from -65℃ to +125℃.
Understanding the precise parameters helps you select the right solution for your RF system requirements.
| Parameter | Specification |
|---|---|
| Model | SIPU-SMB-KW3 |
| Characteristic Impedance | 50Ω |
| Frequency Range | DC-4GHz |
| VSWR | ≤1.5 |
| Insertion Loss | ≤0.1√F(GHz)dB |
| Dielectric Withstanding Voltage | 750V |
| Insulation Resistance | ≥1,000MΩ |
| Center Contact Resistance | ≤6.0mΩ |
| Outer Contact Resistance | ≤1.0mΩ |
| Mating Cycles | 500 times |
| Operating Temperature | -65℃~+125℃ |
| Orientation | Right Angle |
| Interface Gender | Female |
| Outer Conductor Material | Brass with gold plating |
| Center Conductor Material | Beryllium bronze with gold plating |
| Dielectric Material | PTFE |
The SIPU SMB Female Right Angle Connector uses QBe2 high-elasticity conductive material on its outer conductor interface. This technical decision greatly boosts contact reliability and operating life in tough situations.
Its small, low weight right-angle shape meets crucial space restrictions in high density PCB layouts. Routing of wires in constrained enclosures is easy without mechanical stressing of solder junctions.
The snap-on coupling mechanism gives haptic 'click' feedback on mating. The quick-connect design avoids the need for time-consuming threading and provides secure connections that are resistant to vibration.
The exterior conductor is brass and is gold plated to minimise contact resistance, whereas the central conductor is beryllium bronze. The dielectric substance PTFE has stable electrical characteristics throughout the whole temperature range.
Your telecommunications infrastructure benefits from this connector's space-saving design. In base stations with closely stacked boards, the 90-degree cable exit fits within slim rack units while maintaining signal distribution quality.
Automotive systems require robust connections that withstand constant vibration. The snap-on mechanism secures connections in telematics units, GPS modules, and shark-fin antennas without loosening during operation.
Industrial test and measurement equipment demands reliable RF connections in compact form factors. The right-angle configuration enables efficient cable management in benchtop analyzers and portable measurement devices.
Medical imaging equipment utilizes these connectors in portable ultrasound and diagnostic instruments where precise cable routing prevents EMI leakage in sensitive environments.

SIPU implements strict quality control measures throughout production. Each batch undergoes dielectric withstanding voltage testing using specialized insulation testers to verify the 750V rating and insulation resistance performance.

The manufacturing process includes coating quality inspection for every batch. Technicians measure plating thickness and bonding strength to ensure long-term corrosion resistance and electrical stability.
Environmental compliance testing confirms RoHS standards for each production batch. This certification guarantees your products meet international environmental regulations.
The precision-machined internal geometry minimizes VSWR increases typically associated with right-angle transitions. Dimensional verification through coordinate measuring machines ensures compliance with interface specifications.

SIPU packages each SMB Female Right Angle Connector with protective materials to prevent damage during transportation. Standard products ship within 72 hours from our Xi'an facility, ensuring you receive components when your production schedule demands them.
Q: What frequency performance can I expect from this right-angle design?
A: The connector operates reliably from DC to 4GHz with VSWR ≤1.5, optimized for the internal transition geometry of the 90-degree configuration.
Q: How does the snap-on mechanism ensure proper mating?
A: You will feel a distinct tactile 'snap' when the connector fully seats. This feedback confirms secure engagement critical for maintaining low contact resistance.
Q: What is the connector's durability rating?
A: The design supports 500 mating cycles while maintaining specified electrical performance throughout its operational temperature range.
Q: Does the right-angle bend affect signal quality?
A: SIPU's precision manufacturing minimizes signal loss through carefully engineered internal radii, keeping insertion loss to ≤0.1√F(GHz)dB.
Q: Can this connector withstand harsh environmental conditions?
A: Yes, with gold-plated contacts and PTFE dielectric, it operates reliably from -65℃ to +125℃ and maintains ≥1,000MΩ insulation resistance.

Our SMB Female Right Angle Connector's team provides technical consultation and sample support to ensure optimal performance. Contact us at info@sipuconn.com for product inquiries and customization options.
Contact us directly for customized solutions, quotations and long-term strategic cooperation.