The **MHO+72FAD-R** is a high-performance **Crystal Oscillator** manufactured by MtronPTI. It is specifically a Clock Oscillator (XO) designed for surface mount applications requiring high frequency stability and reliability. --- ### 1. Technical Specifications Below are the primary electrical and physical characteristics of the MHO+72FAD-R: | Parameter | Specification Details | | :--- | :--- | | **Component Type** | XO (Crystal Oscillator) | | **Output Type** | HCMOS / TTL Compatible | | **Operating Voltage** | 5.0 Volts (Typical) | | **Package Type** | 4-Pin SMD (Surface Mount Device) | | **Frequency Stability** | ±100 ppm (Standard for the +72 series) | | **Temperature Range** | 0°C to +70°C (Commercial Grade) | | **Duty Cycle** | 40/60% to 45/55% | | **RoHS Status** | Compliant (Indicated by the "R" suffix) | --- ### 2. Breakdown of the Part Number The part number follows a specific nomenclature used by MtronPTI: * **MHO**: Series designation (Standard 5x7mm or Full-size DIP equivalent in SMD). * **+**: Often indicates a lead-free/RoHS compliant process modification. * **7**: Represents the Voltage (5.0V). * **2**: Represents the Stability/Temperature combination (typically ±100ppm, 0-70°C). * **F**: Represents the Output Symmetry (Duty Cycle). * **A**: Represents the Pin 1 Function (usually "Tri-state" or "No Connection"). * **D**: Represents the Frequency (The specific frequency value is usually appended after this string, e.g., 20.000MHz). * **-R**: Explicitly confirms RoHS compliance. --- ### 3. Key Features & Applications #### Features * **Low Phase Jitter:** Suitable for high-speed data applications. * **Tri-state Enable/Disable:** Allows the output to be disconnected electronically, which is useful for testing or power-saving modes. * **Rugged Construction:** Designed to withstand standard reflow soldering temperatures. #### Applications * **Computing:** Motherboards, servers, and peripheral clocking. * **Networking:** Routers, switches, and modems. * **Industrial:** Embedded controllers and automated systems requiring a stable 5V timing source. --- ### 4. Typical Connection Diagram (4-Pin) ```markdown Pin 1: Tri-state (Enable/Disable) Pin 2: Ground (Case) Pin 3: Output (Clock Signal) Pin 4: Vcc (+5.0V Power Supply) ```