## CSTCE12M0G52Z-R0: Technical Overview The **CSTCE12M0G52Z-R0** is a specific model of a **Ceramic Resonator** manufactured by Murata Manufacturing. It belongs to the CERALOCK® family, which are high-precision electronic components used to provide stable clock signals for microprocessors and microcontrollers. --- ### 1. Key Technical Specifications The following table outlines the critical electrical and mechanical parameters of this part: | Parameter | Specification | | :--- | :--- | | **Oscillation Frequency** | 12.000 MHz | | **Frequency Tolerance** | ±0.5% | | **Frequency Stability** | ±0.2% | | **Operating Temperature** | -40°C to +125°C | | **Built-in Capacitance** | 10 pF | | **Mounting Type** | Surface Mount (SMD) | | **Package Size** | 3.2 x 1.3 mm | | **Resonance Impedance** | 40 Ω (Maximum) | --- ### 2. Functional Description Ceramic resonators like the CSTCE12M0G52Z-R0 serve a similar purpose to quartz crystals but offer different trade-offs in design. #### Internal Load Capacitors The "G" in the part number indicates that this unit includes **built-in load capacitors**. This is a significant advantage for PCB designers because: * It reduces the overall component count. * It saves board space. * It simplifies the oscillation circuit design, as no external capacitors are required to stabilize the frequency. #### Durability and Reliability Because this part is rated for temperatures up to **125°C**, it is suitable for demanding environments, including industrial applications and automotive cabin electronics. --- ### 3. Comparison: Ceramic Resonator vs. Quartz Crystal | Feature | Ceramic Resonator (CSTCE) | Quartz Crystal (XTAL) | | :--- | :--- | :--- | | **Cost** | Generally lower | Higher | | **Accuracy** | Moderate (±0.5%) | High (±0.001%) | | **Start-up Time** | Faster | Slower | | **Size** | Small (with built-in caps) | Varies (often requires external caps) | --- ### 4. Application Circuit In a typical microcontroller setup, the resonator is connected to the `OSC_IN` and `OSC_OUT` pins. Since this model has three terminals, the center pin is connected to **Ground (GND)**. ```text [MCU] | PIN 1 (OSC_IN) <------> Resonator Terminal 1 | PIN 2 (OSC_OUT) <------> Resonator Terminal 3 | GND <------> Resonator Terminal 2 (Center) ```