The FC-135 32.768 kHz crystal resonator is designed for precision timing applications, especially in real-time clocks (RTCs) and other low-frequency oscillators. Manufactured by SII Semiconductor Corporation, this crystal offers a stable and accurate frequency source suitable for a wide range of electronic devices.

Applications

• Real-Time Clocks (RTC)
• Microcontrollers
• Wearable Devices
• IoT Devices
• Industrial Timers

Features

• Nominal Frequency: 32.768 kHz
• Frequency Tolerance: ±20 ppm
• Load Capacitance: 12.5 pF
• Operating Temperature Range: -40°C to +85°C
• Compact Package Size
• RoHS Compliant

Benefits

• Ensures accurate timekeeping in real-time clock circuits.
• Provides a stable clock source for microcontrollers and embedded systems.
• Suitable for use in portable and battery-powered devices due to its low power consumption.
• Offers reliable performance across a wide temperature range.
• Facilitates easy integration into compact electronic designs.
• Complies with environmental standards for responsible manufacturing.

Technical Specifications

The FC-135 crystal is designed to operate at a frequency of 32.768 kHz with a load capacitance of 12.5 pF. It has a frequency tolerance of ±20 ppm, ensuring high accuracy in timing applications. The crystal is housed in a compact package, making it suitable for space-constrained designs. Its wide operating temperature range allows it to function reliably in various environments. Proper matching of the load capacitance with the oscillator circuit is essential for optimal performance. The crystal's low aging characteristics ensure long-term stability and minimize the need for frequent recalibration.

The 32.768 kHz frequency is ideal for timekeeping because it can be easily divided down to 1 Hz, which is the standard for seconds counting. The FC-135 is designed to provide a stable and reliable oscillation, ensuring the integrity of the timekeeping function. Its small size and robust performance make it an excellent choice for a wide range of applications requiring precise and reliable timing.