The **MHO+53TGD-R** is a specific part number typically associated with **Quartz Crystal Oscillators**, often manufactured by companies like MtronPTI. These components are critical for providing a stable clock signal in digital circuits. --- ### 1. Part Number Breakdown (Typical) While specific manufacturer coding can vary slightly, the nomenclature generally breaks down as follows: | Code Segment | Meaning | Description | | :--- | :--- | :--- | | **MHO** | Series Type | Metal Hybrid Oscillator (usually Thru-Hole) | | **+** | RoHS Compliance | Lead-free / RoHS compliant part | | **5** | Operating Voltage | Typically indicates 5.0V DC power supply | | **3** | Stability | Often represents ±50ppm or ±100ppm stability (varies by datasheet) | | **T** | Temperature Range | Industrial temperature range (-40°C to +85°C) | | **GD** | Output Type | CMOS / TTL compatible output logic | | **R** | Frequency / Packaging | Specific frequency code or Tape & Reel packaging | --- ### 2. Technical Specifications These parts are designed for reliability in industrial and communication hardware. * **Package Style:** 14-pin DIP (Thru-hole), though usually only 4 pins are present (DIP-4 footprint). * **Frequency Range:** Typically available from 1.000 MHz to 150.000 MHz. * **Supply Voltage ($V_{cc}$):** 5.0V ± 10%. * **Output Waveform:** Square wave (CMOS/TTL). * **Symmetry/Duty Cycle:** 40/60% to 45/55%. --- ### 3. Pinout Configuration The MHO series usually follows the standard 4-pin oscillator layout: | Pin Number | Function | Description | | :--- | :--- | :--- | | **Pin 1** | NC or Tri-state | No connection or Output Enable/Disable | | **Pin 7** | GND | Circuit Ground | | **Pin 8** | Output | The generated clock signal (Square Wave) | | **Pin 14** | $V_{cc}$ | Positive Power Supply (+5V) | --- ### 4. Common Applications 1. **Microcontrollers:** Providing the primary clock source for CPUs. 2. **Networking:** Timing for Ethernet controllers and switches. 3. **Industrial Controls:** Stable frequency generation in high-temperature environments. 4. **Legacy Hardware:** Replacement parts for older boards requiring 5V logic. ---