The part number **48V-2RYHA-R** refers to a specific type of **Voltage Controlled Crystal Oscillator (VCXO)** or a standard **Crystal Oscillator** typically manufactured by companies like **TXC Corporation** or similar electronic component vendors. Based on the standard nomenclature for this series, here is the breakdown of its technical specifications and electronic characteristics. --- ## 1. Technical Specifications The following table outlines the core electrical parameters for this component: | Parameter | Specification | Description | | :--- | :--- | :--- | | **Nominal Frequency** | 48.000 MHz | The base oscillation frequency of the device. | | **Operating Voltage** | 3.3V (Typical) | The standard VCC required for operation. | | **Frequency Stability** | ±50 ppm | Total frequency deviation over temperature and aging. | | **Output Type** | CMOS | Complementary Metal-Oxide-Semiconductor logic level. | | **Package Size** | 7.0 x 5.0 mm | Standard 6-pad or 4-pad SMD ceramic package. | | **Operating Temp** | -40°C to +85°C | Industrial grade temperature range. | --- ## 2. Pin Configuration and Functions This part is usually an SMD (Surface Mount Device) with the following pinout functionality: 1. **Pin 1 (OE or VC):** Output Enable (Logic High to enable) or Voltage Control (for VCXO variants). 2. **Pin 2 (NC/GND):** No connection or additional Ground. 3. **Pin 3 (GND):** Common Ground. 4. **Pin 4 (Output):** The 48MHz clock signal output. 5. **Pin 5 (NC):** No internal connection. 6. **Pin 6 (VDD):** Power supply input. --- ## 3. Key Electronic Characteristics ### Phase Jitter and Noise This component is designed for low-phase noise environments. The "RYHA" designation often indicates a high-precision cut of the quartz crystal, ensuring that the clock signal remains stable for high-speed data transmission. ### Output Drive Capability * **Load Capacitance:** Typically 15pF. * **Rise/Fall Time:** Fast transitions (usually < 5ns) to minimize timing errors in digital circuits. ### Applications * **Networking:** Used in Ethernet switches and routers for 48MHz reference clocks. * **USB Controllers:** Providing the base clock for high-speed USB interfaces. * **Microcontrollers:** External clock source for high-performance MCUs requiring precise timing. --- ## 4. Part Number Breakdown (Typical) While manufacturers vary slightly, the code generally follows this logic: * **48V:** 48.000 MHz Frequency. * **2R:** Series designation (e.g., 2.5V or 3.3V low jitter series). * **YHA:** Specific internal coding for stability and temperature range. * **-R:** RoHS Compliant / Tape & Reel packaging.