SX1B24.576F1210F30 24.576MHz ±10ppm 4-SMD Crystal

SX1B24.576F1210F30 is a high-precision surface mount crystal manufactured by SCTF, a recognized leader in passive components. This crystal is designed to provide a stable and accurate 24.576MHz clock signal, which is critical for the reliable operation of various digital circuits. As a fundamental passive component, it plays a pivotal role in timing and synchronization applications, ensuring the precise operation of microcontrollers, communication modules, and other frequency-dependent electronic systems. Its compact 4-SMD package makes it suitable for space-constrained designs, offering an excellent balance of performance and footprint.

Key Specifications

The ESR (Equivalent Series Resistance) of 80Ω indicates the crystal’s internal resistance. A lower ESR generally means the crystal requires less power to oscillate and can start up more quickly, contributing to overall circuit efficiency and stability.

The Series designation of ‘1X’ typically refers to a specific product line or internal classification by SCTF, often indicating characteristics related to the crystal’s construction or performance profile within their portfolio.

The primary Frequency of 24.576MHz is the nominal oscillation frequency this crystal is designed to produce. This specific frequency is commonly used in various digital communication protocols and microcontroller clocking applications due to its divisibility and suitability for standard baud rates.

The compact Size (mm) of 2.0×1.6×0.45 highlights its miniature footprint, making it ideal for modern, densely packed PCBs where space optimization is crucial. This small form factor supports the miniaturization trend in electronic devices.

The Mounting Type is Surface Mount, meaning it is designed to be soldered directly onto the surface of a printed circuit board (PCB). This method is standard in modern electronics manufacturing, enabling automated assembly and high-density component placement.

As a Component Type, it is a Crystal, specifically a quartz crystal resonator. These components exploit the piezoelectric effect to generate highly stable frequencies when an electrical current is applied, making them superior to LC oscillators for precision timing.

The Package / Case is a 4-SMD (Surface Mount Device), indicating it has four solderable pads for electrical and mechanical connection to the PCB. This package type is widely adopted for its reliability and ease of manufacturing.

The specified Frequency Range of 16-54MHz indicates the broader family of crystals this particular component belongs to, showcasing SCTF’s capability to produce crystals across a significant spectrum of frequencies suitable for diverse applications.

A Load Capacitance of 12pF is the external capacitance required by the crystal to oscillate precisely at its specified frequency. Matching this load capacitance in the circuit is crucial for achieving optimal frequency accuracy and stability.

The Frequency Stability of ±30ppm (parts per million) describes how much the output frequency can drift over its operating temperature range. A lower ppm value indicates better stability, which is vital for applications requiring consistent timing performance.

The Frequency Tolerance of ±10ppm specifies the maximum deviation from the nominal 24.576MHz frequency at room temperature (typically 25°C). This tight tolerance ensures high initial accuracy, which is critical for precise timing applications.

The wide Operating Temperature range of -40℃ to +85℃ ensures robust performance across extreme environmental conditions, making it suitable for industrial, automotive, and outdoor applications where temperature fluctuations are common.

Features and Benefits

• High Precision Timing: With a tight frequency tolerance of ±10ppm and stability of ±30ppm, this crystal ensures highly accurate and consistent clock signals, essential for reliable digital system operation.
• Compact Footprint: The miniature 2.0×1.6×0.45mm 4-SMD package allows for significant space savings on PCBs, facilitating the design of smaller and more portable electronic devices.
• Wide Operating Temperature Range: Capable of operating from -40℃ to +85℃, the SX1B24.576F1210F30 maintains performance in challenging environments, enhancing product reliability in diverse applications.
• Automated Assembly Compatibility: Designed for surface mounting, this crystal is fully compatible with automated pick-and-place manufacturing processes, leading to reduced production costs and increased efficiency.
• Robust and Reliable: Manufactured by SCTF, this crystal is built to stringent quality standards, offering long-term reliability and consistent performance in critical electronic systems.

Typical Applications

This 24.576MHz crystal is highly versatile and finds application in numerous electronic systems. One primary use case is in Microcontroller Units (MCUs), where it provides the fundamental clock signal for CPU operation, peripheral timing, and instruction execution. Its precise frequency ensures the MCU operates at its intended speed and that all time-sensitive operations are synchronized correctly.

Another significant application is in Wireless Communication Modules, such as Bluetooth, Wi-Fi, or Zigbee transceivers. Accurate timing is paramount for modulating and demodulating signals, maintaining data rates, and ensuring proper channel synchronization. The 24.576MHz frequency can be easily multiplied or divided to derive various carrier frequencies or baud rates.

In Digital Signal Processing (DSP) systems, crystals like the SX1B24.576F1210F30 are crucial for clocking ADCs (Analog-to-Digital Converters) and DACs (Digital-to-Analog Converters), as well as the DSP core itself. Precise timing ensures accurate sampling and reconstruction of signals, which is vital for audio processing, image processing, and other real-time data manipulation tasks.

Furthermore, it is commonly used in Networking Equipment like routers, switches, and network interface cards (NICs). These devices rely on stable clock signals for accurate data transmission, packet synchronization, and maintaining network protocols. The crystal’s stability contributes directly to the reliability and performance of network infrastructure.

Finally, in Industrial Control Systems and Automation, where precise timing can impact safety and operational efficiency, this crystal provides the necessary clocking for PLCs (Programmable Logic Controllers), motor controllers, and sensor interfaces, ensuring that industrial processes are executed with high accuracy and repeatability.

The SCTF SX1B24.576F1210F30 crystal is a high-quality, reliable component essential for a wide array of electronic designs requiring precise frequency generation. It is stocked and shipped across India by Cirkit Electro Components, Mumbai, ensuring prompt availability for your projects.

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