YT 38 32.768Khz Cylindrical Crystal Oscillator
The YT-38 32.768kHz Cylindrical Crystal Oscillator is a high-precision low-frequency timing crystal commonly used for real-time clocks (RTC) and low-power timing applications. With its compact 2-pin cylindrical metal package, it provides excellent frequency stability, low power consumption, and reliable performance. The 32.768kHz frequency (2¹? Hz) makes it ideal for timekeeping and clock generation in microcontroller-based systems.
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- Model: YT-38
- Frequency: 32.768kHz
- Package Type: Cylindrical metal can (commonly 3 × 8mm)
- Load Capacitance: 12.5pF (typical)
- Frequency Tolerance: ±20ppm (typical)
- Operating Temperature Range: ?40°C to +85°C
- Mounting Type: Through-hole (2-pin)
- Applications: Real-time clocks, watches, microcontroller timing, and embedded systems
Applications
- Real-Time Clocks (RTC): Provides accurate timing in microcontrollers like DS1307, DS3231, etc.
- Microcontroller Circuits: Used as an external clock for low-power modes
- Watches & Timers: Precise time base for digital and analog clocks
- Embedded Systems: Timekeeping in industrial and consumer electronics
- Portable Devices: Low power consumption makes it ideal for battery-operated circuits
- IoT Devices: Ensures reliable timekeeping for data logging and communication scheduling
*Product image for illustration purposes only, actual product may vary.






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