The **DS-K5-R2** is a specific electronic component, primarily recognized as a **high-precision surface-mount (SMD) crystal oscillator**. These parts are essential for providing a stable clock frequency in digital circuits. --- ### 1. Technical Specifications Below are the typical electronic characteristics of the DS-K5-R2 series: | Parameter | Specification Details | | :--- | :--- | | **Component Type** | Quartz Crystal Oscillator (SPXO) | | **Frequency Range** | Typically 1.0 MHz to 75.0 MHz (depends on specific variant) | | **Supply Voltage** | 1.8V, 2.5V, or 3.3V (standard logic levels) | | **Package Size** | 2.5mm x 2.0mm (Ultra-miniature SMD) | | **Frequency Stability** | ±25ppm to ±50ppm (standard) | | **Operating Temperature** | -40°C to +85°C (Industrial Grade) | --- ### 2. Internal Electronic Structure The DS-K5-R2 is not just a raw crystal; it is an active oscillator module consisting of several sub-parts: 1. **Quartz Crystal Blank:** The mechanical heart of the part that vibrates at a specific frequency via the piezoelectric effect. 2. **CMOS IC:** An integrated circuit that acts as a driver/amplifier to maintain the oscillation and output a square wave signal. 3. **Gold-Plated Electrodes:** Used for the four solder pads to ensure high conductivity and resistance to oxidation. 4. **Hermetic Seal:** The ceramic package is vacuum-sealed or nitrogen-filled to protect the internal crystal from moisture and aging. --- ### 3. Pin Configuration The device typically features a 4-pad layout common to the 2520 (metric) package size: | Pad # | Function | Description | | :--- | :--- | :--- | | **1** | OE or NC | Output Enable (high/floating for active) or No Connection. | | **2** | GND | Ground connection. | | **3** | OUT | CMOS Clock Output signal. | | **4** | Vcc | Positive Power Supply. | --- ### 4. Applications Because of its small footprint and low power consumption, the DS-K5-R2 is commonly found in: * **IoT Devices:** Smart sensors and wearable electronics. * **Networking:** Wi-Fi modules and Ethernet controllers. * **Consumer Electronics:** Digital cameras, tablets, and portable audio players. * **Embedded Systems:** Microcontrollers requiring an external high-speed clock.