C28S-11.00-SPS8-SPS8 Samtec C28S-11.00-SPS8-SPS8 U.FL to U.FL Twinax Cable Assembly

Reliable 28 AWG RF Twinax Cable for Compact, High-Density Interconnect Applications

The Samtec C28S-11.00-SPS8-SPS8 is a high-performance RF twinax cable assembly designed for compact electronic systems that require dependable signal transmission, consistent electrical performance, and a small-footprint interconnect solution. Built as part of Samtec’s C28S Circular RF Shielded Twisted Pair Twinax Cable Assembly family, this cable features U.FL (UMCC) plug-to-plug connectivity in an 11.00-inch (279.40 mm) assembly length, making it well suited for embedded systems, RF modules, communication hardware, compact instrumentation, and space-constrained board-level applications.

Engineered with a 28 AWG circular twinax cable structure, the assembly is designed to support controlled impedance performance in applications where signal quality and routing flexibility both matter. With a specified 100 Ohm cable impedance and operating frequency support up to 4 GHz, the C28S-11.00-SPS8-SPS8 provides a practical cable solution for designers seeking stable performance across compact RF and high-speed interconnect paths. The cable is also identified as shielded, helping support cleaner transmission in electrically dense environments where signal integrity is a priority.

Designed for OEM Integration and Production Environments

For OEMs, design engineers, and procurement teams, selecting the right cable assembly is not only about connector compatibility – it is also about repeatability, manufacturability, and long-term reliability. The Samtec drawing for the C28 series shows that these assemblies are built around a defined production structure with specified materials, dimensional tolerances, plating options, and test requirements. The product drawing identifies material details including phosphor bronze outer contacts/pins, beryllium copper sockets, brass shells/nuts/washers, PTFE dielectric, and rubber gaskets, supporting a design intended for durable use in professional electronics environments.

Samtec also specifies 100% testing for opens and shorts and 100% hi-pot testing for the assembly family, highlighting a quality-focused manufacturing approach that is especially important for B2B customers managing qualification, production consistency, and field reliability. For buyers sourcing components for telecom equipment, industrial electronics, RF subsystems, or custom embedded hardware, these details help reinforce confidence in both product integrity and supply-chain suitability.

Key Features

1. Compact U.FL to U.FL Connectivity

This cable assembly features U.FL (UMCC) to U.FL (UMCC) plug terminations on both ends, making it a strong fit for miniature RF interfaces, internal antenna routing, compact wireless modules, and board-to-board or board-to-device connections in space-limited designs.

2. 100 Ohm Shielded Twinax Construction

With a 28 AWG shielded twinax cable design and 100 Ohm impedance, the C28S-11.00-SPS8-SPS8 is suited for applications where controlled electrical performance and signal integrity are important. The shielded structure also supports cleaner operation in dense electronic environments.

3. Production-Ready Quality and Test Assurance

Samtec’s product drawing specifies 100% opens/shorts testing and 100% hi-pot testing for this cable assembly family, helping OEM and industrial customers streamline qualification and reduce risk in deployment.

Built for Versatile RF and Embedded Applications

The 11-inch overall cable length offers a balanced routing option for many internal interconnect layouts. It is long enough to give engineers useful flexibility inside enclosures while remaining compact enough for tightly packed electronic systems. In addition, the C28 family drawing notes that cable lengths above 36 inches are not supported by S.I. test data, which helps position the 11.00-inch configuration as a practical option for designs that prioritize validated, manageable cable routing distances.

This part is especially relevant for applications such as:

• RF modules and wireless subsystems
• Embedded computing platforms
• Test and measurement equipment
• Communication and networking hardware
• Compact industrial and medical electronics

Its blue cable color, free-hanging connector mounting style, and bulk packaging availability also make it suitable for structured production environments and easier visual identification during assembly or service.

Specifications

Electrical Specifications

• Cable Impedance: 100 Ohms
• Overall Impedance: 100 Ohms
• Max Frequency: 4 GHz
• Shielding: Yes
• Hi-Pot Testing: 100% per series drawing requirements

Mechanical Specifications

• Part Number: C28S-11.00-SPS8-SPS8
• Series: C28S
• Cable Length: 11.000 in (279.40 mm)
• Cable Type: Twinaxial
• Wire Gauge: 28 AWG
• Connector 1: U.FL (UMCC) Plug
• Connector 2: U.FL (UMCC) Plug
• Connector Style: Straight plug with sockets on both ends for the SPS configuration

Material and Environmental Specifications

• Contact / Pin Material: Phosphor Bronze
• Socket Material: Beryllium Copper
• Shell / Nut / Washer Material: Brass
• Dielectric: PTFE
• Gasket Material: Rubber
• Operating Temperature: -20°C to +105°C
• Cable Color: Blue
• RoHS Status: RoHS compliant

Why Choose the Samtec C28S-11.00-SPS8-SPS8

For B2B buyers, the value of this cable assembly lies in its combination of compact connector format, controlled impedance twinax construction, and production-oriented quality controls. It offers a dependable option for companies designing or manufacturing equipment that requires miniature RF interconnects without sacrificing consistency or documented engineering detail. Backed by Samtec’s product documentation and supported by mainstream channel availability, the C28S-11.00-SPS8-SPS8 is well positioned for both prototype builds and volume procurement programs.

Frequently Asked Questions

What is the Samtec C28S-11.00-SPS8-SPS8 used for?

The Samtec C28S-11.00-SPS8-SPS8 is used in compact RF and embedded electronic systems that require reliable signal transmission between boards, modules, or miniature RF interfaces. It is commonly selected for wireless modules, communication equipment, industrial electronics, and test systems.

What connectors are used on this cable assembly?

This cable assembly features U.FL (UMCC) to U.FL (UMCC) connectors on both ends, making it suitable for compact internal interconnect applications where space is limited.

What is the cable length of this model?

The cable length is 11.00 inches (279.40 mm), offering a practical balance between routing flexibility and compact system integration.

What type of cable construction does it use?

The product uses a 28 AWG shielded twinax cable structure with 100 Ohm impedance, helping support stable signal performance in dense electronic environments.

Is the Samtec C28S-11.00-SPS8-SPS8 suitable for RF applications?

Yes. With support up to 4 GHz, this cable assembly is appropriate for many compact RF and signal-routing applications requiring dependable electrical performance.

What industries commonly use this product?

This model is well suited for OEM and industrial applications including telecommunications, embedded computing, instrumentation, industrial control systems, and other compact electronic devices.

Is this product suitable for volume purchasing?

Yes. As a Samtec cable assembly designed for professional electronics applications, it is suitable for prototype, small-batch, and volume procurement programs depending on sourcing and supply requirements.