The **M5R14ZHJ-R** belongs to the **M5R series** of high-precision, miniature crystal oscillators (TCXO - Temperature Compensated Crystal Oscillator) manufactured by **MtronPTI**. These components are critical in telecommunications and high-stability electronic systems where precise timing is required across varying temperatures. --- ### 1. Key Technical Specifications Below are the primary electronic characteristics typical of the M5R series: | Parameter | Value/Description | | :--- | :--- | | **Component Type** | Temperature Compensated Crystal Oscillator (TCXO) | | **Output Type** | Clipped Sine Wave (usually) or CMOS | | **Supply Voltage (Vcc)** | +3.0V or +3.3V (standard) | | **Frequency Stability** | ±0.5 ppm to ±2.5 ppm (depending on config) | | **Operating Temp Range** | -40°C to +85°C (Industrial Grade) | | **Package Size** | 5.0 x 3.2 mm (Ceramic SMD) | | **RoHS Status** | Compliant (Lead-Free) | --- ### 2. Functional Electronic Parts Breakdown The "M5R14ZHJ-R" part number is an alphanumeric code representing specific electronic attributes: * **M5R Series:** Indicates a 5.0x3.2mm Surface Mount Device (SMD) TCXO. * **Voltage/Output (14):** Usually denotes a specific supply voltage (e.g., 3.3V) and a Clipped Sine Wave output, which reduces power consumption and EMI. * **Stability (ZH):** Represents the stability over temperature (e.g., ±1.0 ppm). * **Packaging (-R):** Indicates Tape and Reel packaging for automated pick-and-place assembly. --- ### 3. Application Use Cases Due to its high stability and small footprint, this part is commonly used in: 1. **GPS/GNSS Modules:** Where precise timing is needed to lock onto satellite signals. 2. **Wireless Communications:** Base stations, Wi-Fi 6 routers, and point-to-point radios. 3. **IoT Devices:** Low-power sensors that require reliable synchronization. 4. **Test & Measurement:** Portable diagnostic equipment. --- ### 4. Typical Connection Diagram In an electronic circuit, the part typically utilizes a 4-pin configuration: ```c Pin 1: Vcont (Voltage Control) or N/C Pin 2: Ground (GND) Pin 3: Output (Clock Signal) Pin 4: Vcc (Supply Voltage) ```