The **MHO+33TBD-R** is a specific part number typically associated with **Quartz Crystal Oscillators**, often manufactured by companies like **Mercury Electronic**. These components are critical for providing a stable clock signal in digital circuits. --- ### 1. Technical Specifications Below is a breakdown of the typical specifications for this series: | Parameter | Details | | :--- | :--- | | **Component Type** | Crystal Clock Oscillator (XO) | | **Package Type** | DIP-14 (Full size) or DIP-8 (Half size) Metal Can | | **Output Type** | CMOS / TTL Compatible | | **Frequency Range** | Typically ranges from 1.0 MHz to 150 MHz (Specific to order) | | **Supply Voltage (Vcc)** | 3.3V (Indicated by the "33" in the part number) | | **Operating Temperature** | -10°C to +70°C (Standard Industrial) | | **Frequency Stability** | ±25ppm to ±100ppm | --- ### 2. Part Number Breakdown While manufacturer coding can vary slightly, the "MHO+33TBD-R" suffix usually decodes as follows: * **MHO:** Series designation (Metal Hollow Oscillator). * **+:** Often indicates RoHS compliance (Lead-free). * **33:** Represents the **3.3V** operating voltage. * **T:** Usually denotes the Output Load (e.g., TTL/CMOS). * **BD:** Often refers to specific stability or duty cycle parameters. * **-R:** Indicates **RoHS Compliant** or Tape & Reel packaging. --- ### 3. Pin Configuration (Typical DIP-14) For a standard 4-pin layout within a 14-pin footprint, the connections are generally: | Pin Number | Function | Description | | :--- | :--- | :--- | | **1** | NC or ED | No Connection or Output Enable/Disable | | **7** | GND | Circuit Ground | | **8** | Output | The generated Square Wave signal | | **14** | Vcc | Power Supply (+3.3V) | --- ### 4. Key Applications * **Microprocessors:** Providing the base clock for CPU operations. * **Networking:** Timing for Ethernet controllers and routers. * **Embedded Systems:** Used in industrial controllers where a robust metal-can package is preferred for EMI shielding. * **Legacy Hardware:** Often used in older PCB designs that utilize through-hole technology (THT).