The part number **1051058-R** typically refers to a high-quality **RF (Radio Frequency) connector**, specifically an **SMA Straight Cable Plug** (Male) designed for use with semi-rigid or conformable coaxial cables. It is commonly manufactured by **TE Connectivity / AMP**. --- ### ## Technical Specifications Below is a breakdown of the typical technical parameters for this electronic component: | Feature | Specification | | :--- | :--- | | **Connector Type** | SMA (SubMiniature version A) | | **Gender** | Plug (Male) | | **Impedance** | 50 Ohms | | **Orientation** | Straight | | **Termination Method** | Solder | | **Frequency Range** | DC to 18 GHz (standard) | | **Cable Compatibility** | RG-402, .141 Semi-Rigid / Conformable | | **Body Material** | Stainless Steel (Passivated or Gold Plated) | | **Contact Plating** | Gold | --- ### ## Key Features 1. **High Frequency Performance:** Designed to maintain low VSWR (Voltage Standing Wave Ratio) and low insertion loss up to 18 GHz, making it suitable for microwave applications. 2. **Semi-Rigid Cable Support:** This specific variant is optimized for **.141" diameter semi-rigid cables**, which are used when signal integrity and shielding effectiveness are critical. 3. **Durability:** Constructed with high-grade stainless steel to withstand mechanical stress and environmental factors. 4. **Solder Attachment:** The center conductor and the outer braid/jacket are typically soldered directly to the connector to ensure the most stable electrical connection. --- ### ## Common Applications This part is widely used in industries requiring precision high-frequency signal transmission: * **Aerospace & Defense:** Radar systems, satellite communication, and avionics. * **Telecommunications:** Base stations and cellular infrastructure. * **Test & Measurement:** Used on the front panels of oscilloscopes, spectrum analyzers, and network analyzers. * **Medical Equipment:** High-frequency imaging and diagnostic tools. --- ### ## Comparison: 1051058-1 vs 1051058-R In the electronics industry, the **"-R"** suffix often denotes a specific packaging type or a RoHS (Restriction of Hazardous Substances) compliance designation. * **1051058-1:** Often the standard part number in the catalog. * **1051058-R:** Usually indicates the part is fully compliant with modern environmental regulations (Lead-free) or is packaged for automated assembly (though less common for solder-type SMA connectors).