The **KFS-0B-R** is a specific electronic component primarily identified as a **Micro-USB Type-B Female Socket (SMT/SMD type)**. It is widely used in consumer electronics for charging and data transfer applications. Below is a detailed breakdown of its electronic characteristics and specifications. --- ### 1. General Specifications The KFS-0B-R is designed for high-density surface-mount technology (SMT) applications. | Feature | Specification | | :--- | :--- | | **Connector Type** | Micro-USB Type-B | | **Gender** | Female (Receptacle) | | **Mounting Type** | Surface Mount (SMD) / Right Angle | | **Number of Pins** | 5 Pins | | **Orientation** | Horizontal (Right Angle) | | **Shielding** | Full Metal Shield (Steel or Copper Alloy) | --- ### 2. Electrical Characteristics These parameters define the safety and performance limits of the connector during operation. * **Current Rating:** Typically 1.0A to 1.8A per contact (depending on specific manufacturer iterations). * **Voltage Rating:** 30V AC/DC. * **Contact Resistance:** $\leq 30 m\Omega$ (Initial). * **Insulation Resistance:** $\geq 1000 M\Omega$ at 500V DC. * **Dielectric Withstanding Voltage:** 100V AC for 1 minute. --- ### 3. Pinout Configuration As a standard 5-pin Micro-USB, the electronic signal path follows this structure: | Pin Number | Name | Description | | :--- | :--- | :--- | | 1 | **VCC** | +5V Power Supply | | 2 | **D-** | Data Minus | | 3 | **D+** | Data Plus | | 4 | **ID** | Identification (Used for OTG functions) | | 5 | **GND** | Ground | --- ### 4. Physical and Material Components * **Housing:** High-temperature Thermoplastic (UL 94V-0 rated), usually LCP (Liquid Crystal Polymer) to withstand reflow soldering temperatures. * **Contacts:** Copper Alloy with Gold plating (on the contact area) and Tin plating (on the solder tails) for optimal conductivity and corrosion resistance. * **Shell:** Stainless Steel or Nickel-plated Copper alloy for structural integrity and EMI/RFI shielding. --- ### 5. Application Areas The KFS-0B-R is commonly found in: * **Mobile Devices:** Smartphones, tablets, and e-readers. * **Peripherals:** Bluetooth speakers, wireless mice, and keyboards. * **Development Boards:** Small microcontrollers (like older Arduino Nanos or ESP8266 modules). * **Charging Circuits:** Battery management systems (BMS) for small Li-Po batteries.