The **MAH78TBA-R** is a specific electronic component typically identified as a **Micro-USB Connector**, often utilized in mobile devices, tablets, and consumer electronics. These connectors are surface-mount devices (SMD) designed for charging and data transfer. --- ### 1. Technical Specifications Below is a breakdown of the typical electronic and mechanical characteristics for this type of component: | Feature | Specification | | :--- | :--- | | **Connector Type** | Micro-USB Type B | | **Mounting Type** | Surface Mount (SMD / SMT) | | **Orientation** | Right Angle (Horizontal) | | **Number of Contacts** | 5 Pins (VCC, D-, D+, ID, GND) | | **Current Rating** | ~1.0A to 1.8A (Variable by manufacturer) | | **Voltage Rating** | 30V AC/DC | | **Durability** | 10,000 Mating Cycles | --- ### 2. Physical Design Elements The "MAH78TBA-R" series often features specific structural attributes to ensure stability on a Printed Circuit Board (PCB): * **Shielding:** The outer shell is usually made of a copper alloy with tin or nickel plating to provide EMI/RFI protection and structural grounding. * **Shell Stakes/Tabs:** It includes metal tabs that go through the PCB or sit on pads to provide mechanical strength, preventing the connector from being ripped off the board during cable insertion. * **Plastic Housing:** High-temperature thermoplastic (UL94V-0 rated) to withstand reflow soldering temperatures. --- ### 3. Pinout Configuration As a Micro-USB Type B part, the pin configuration follows the industry standard: 1. **VBUS (+5V):** Power supply for charging. 2. **D-:** Data Negative. 3. **D+:** Data Positive. 4. **ID:** Identification (Used for OTG - On-The-Go functions). 5. **GND:** Ground. --- ### 4. Common Applications * **Mobile Phones:** Replacement parts for charging ports. * **IoT Devices:** Power input for smart sensors and controllers. * **Portable Audio:** Charging ports for Bluetooth headphones and speakers. * **DIY Electronics:** Integration into custom PCB designs requiring a compact 5V power interface.