The part number **K6F-K6F-R** typically refers to a high-quality **RF (Radio Frequency) Cable Assembly**. In electronics, this specific nomenclature is commonly used by manufacturers (such as Samtec) to describe a double-ended cable featuring **3.5 mm Precision Connectors**. --- ### 1. Component Specifications The following table breaks down the technical characteristics of the K6F-K6F-R series: | Feature | Specification | | :--- | :--- | | **Connector Type** | 3.5 mm Female to 3.5 mm Female | | **Impedance** | 50 Ohms | | **Frequency Range** | DC to 34 GHz (High Precision) | | **Coupling Mechanism** | Threaded (1/4-36 UNS-2A) | | **Body Material** | Passivated Stainless Steel | | **Contact Material** | Beryllium Copper with Gold Plating | --- ### 2. Physical Construction The assembly consists of three primary electronic segments: 1. **K6F Connectors:** These are 3.5 mm female jacks. The "K" designation often indicates compatibility with the "K-connector" family (2.92mm), though 3.5mm is physically compatible with SMA but offers higher performance and air-dielectric stability. 2. **RF Coaxial Cable:** Usually a low-loss, microwave-grade cable (like the RF141 or RF086 series) designed to maintain signal integrity at millimeter-wave frequencies. 3. **Strain Relief:** Most "R" suffix versions include heat-shrink tubing or mechanical armor to prevent the cable from snapping at the solder joint during bending. --- ### 3. Key Electronic Characteristics * **Low VSWR (Voltage Standing Wave Ratio):** Designed to minimize signal reflections, typically keeping VSWR below 1.25:1 even at 34 GHz. * **Insertion Loss:** Engineered for minimal decibel (dB) loss per foot, ensuring the power sent from the source reaches the load effectively. * **Phase Stability:** High-end versions are often phase-stable, meaning the signal delay doesn't change significantly when the cable is flexed. --- ### 4. Common Applications Due to its high-frequency rating, this part is used in: * **Test and Measurement:** Connecting Vector Network Analyzers (VNAs) to devices under test. * **Telecommunications:** 5G infrastructure prototyping and microwave backhaul. * **Aerospace:** High-reliability communication systems and radar modules.