The **SVB-D9-R** is a specific electronic component typically identified as a **D-Subminiature Connector** designed for high-reliability data transmission. It is commonly used in industrial automation, telecommunications, and legacy computer interfaces. --- ### 1. Key Technical Specifications Below are the typical electronic and mechanical characteristics for the SVB-D9-R: | Parameter | Specification | | :--- | :--- | | **Connector Type** | D-Subminiature (DB9) | | **Number of Positions** | 9 Pins | | **Gender** | Female (Receptacle) | | **Mounting Type** | Right Angle, Through-Hole (PCB) | | **Contact Plating** | Gold (often over Nickel) | | **Voltage Rating** | 250V AC/DC | | **Current Rating** | 3A to 5A per contact | | **Termination** | Solder | --- ### 2. Breakdown of the Model Name (SVB-D9-R) The nomenclature usually follows a standard industrial pattern: * **SVB**: Series code (often denoting high-profile or specific board-to-board spacing). * **D9**: Refers to the "D" shell size and the **9-pin** configuration. * **R**: Indicates the orientation, typically **Right Angle** for horizontal PCB mounting. --- ### 3. Electronic Design Features * **EMI/RFI Shielding:** The metal "D" shaped shell provides mechanical protection and acts as a shield against electromagnetic interference, ensuring signal integrity in noisy environments. * **Low Contact Resistance:** Utilizing gold-plated copper alloy pins ensures minimal power loss and prevents oxidation over long periods. * **Board Locks:** The "R" configuration usually includes board locks or mounting hardware to provide mechanical strain relief to the solder joints. --- ### 4. Common Applications 1. **RS-232 Serial Port:** The standard interface for modems, printers, and older computer peripherals. 2. **Industrial Control:** Connecting Programmable Logic Controllers (PLCs) to Human-Machine Interfaces (HMIs). 3. **CAN bus Interface:** Widely used in automotive and aerospace diagnostic systems. ---