The **KMMLS-BA11-R** is a specific electronic component, typically categorized as a **Micro-USB Connector** (Type B), designed for Surface Mount Technology (SMT). It is widely used in consumer electronics for charging and data transfer. --- ### 1. Technical Specifications The following table summarizes the key electrical and physical characteristics of the KMMLS-BA11-R: | Parameter | Specification | | :--- | :--- | | **Connector Type** | Micro-USB Type B | | **Gender** | Receptacle (Female) | | **Mounting Type** | Surface Mount (SMT / SMD) | | **Orientation** | Right Angle (Horizontal) | | **Number of Contacts** | 5 Pins | | **Current Rating** | ~1.0A - 1.8A per contact | | **Voltage Rating** | 30V AC/DC | | **Shielding** | Shielded (Metal Shell) | --- ### 2. Key Features * **Mechanical Durability:** Designed for high-cycle insertion and extraction (often rated for up to 10,000 cycles). * **Compact Form Factor:** The "Micro" designation makes it suitable for slim devices like smartphones, tablets, and portable IoT sensors. * **Shielding:** The metal housing provides EMI/RFI protection and mechanical grounding to the PCB via "solder tabs" or "legs." * **Mid-Mount/Standard:** Depending on the specific sub-series, these are often designed to sit flush or slightly recessed on the PCB to save vertical space. --- ### 3. Pinout Configuration The 5-pin layout follows the standard Micro-USB protocol: | Pin Number | Signal Name | Description | | :--- | :--- | :--- | | 1 | VBUS | +5V Power | | 2 | D- | Data Minus | | 3 | D+ | Data Plus | | 4 | ID | Identification (OTG detection) | | 5 | GND | Ground | --- ### 4. Common Applications * **Mobile Devices:** Charging ports for older smartphones and legacy tablets. * **Peripherals:** Computer mice, keyboards, and wireless headsets. * **Development Boards:** Powering microcontrollers (like older ESP32 or Arduino Nano clones). * **Portable Power:** Power banks and battery management system (BMS) inputs.