The part number **A-USB-A-E-R** typically refers to a standard **USB 2.0 Type-A Female Connector** (Receptacle) manufactured by companies like **Assmann WSW Components**. It is a common hardware component used in PCB (Printed Circuit Board) design. --- ### 1. Technical Specifications The following table outlines the key electrical and mechanical characteristics of this component: | Feature | Specification | | :--- | :--- | | **Connector Type** | USB 2.0 Type A | | **Gender** | Female (Receptacle) | | **Mounting Type** | Through-Hole (THT), Right Angle | | **Number of Contacts** | 4 Pins | | **Current Rating** | 1.0A - 1.5A per contact | | **Voltage Rating** | 30V AC/DC | | **Contact Plating** | Gold (typically over Nickel) | | **Housing Material** | Thermoplastic (UL94V-0 rated) | | **Shielding** | Metal Shielded (Steel/Copper Alloy) | --- ### 2. Pinout Configuration Since this is a standard USB 2.0 Type-A connector, it follows the universal pinout for data and power transmission: 1. **VCC (+5V):** Power supply. 2. **D- (Data Minus):** Differential data signal. 3. **D+ (Data Plus):** Differential data signal. 4. **GND (Ground):** System ground. --- ### 3. Component Breakdown * **A (Series):** Often indicates the manufacturer's series prefix (Assmann). * **USB-A:** Specifies the physical interface shape (Type-A). * **E:** Usually denotes the orientation or specific mounting style (Right Angle, Through-Hole). * **R:** Generally stands for **RoHS Compliant**, indicating the part is lead-free and meets environmental safety standards. --- ### 4. Typical Applications This part is a "workhorse" in the electronics industry and is found in: * **Computer Peripherals:** Keyboards, mice, and flash drive interfaces. * **Charging Ports:** Wall adapters and power banks. * **Embedded Systems:** Arduino or Raspberry Pi style boards for data communication. * **Consumer Electronics:** Televisions, gaming consoles, and audio equipment.