The RSM200S-32.768-12.5-T is a 32.768 kHz crystal resonator, commonly employed in real-time clock (RTC) circuits. Its primary function is to provide a stable and accurate frequency reference for timekeeping applications. The inclusion of '12.5' likely specifies the load capacitance in pF (picofarads), and 'T' may indicate tape and reel packaging for automated assembly.
Applications
- Real-time clocks (RTCs) in various electronic devices.
- Timekeeping functions in microcontrollers and embedded systems.
- Consumer electronics like watches, clocks, and timers.
- Precise timing applications where accuracy is crucial.
Features
- 32.768 kHz resonant frequency.
- Compact RSM200S package for space efficiency.
- 12.5 pF load capacitance for optimized performance.
- Surface mount technology (SMT) for automated assembly.
Benefits
- Provides a stable and accurate time base.
- Enables reliable timekeeping in electronic systems.
- Compatible with standard RTC ICs.
- Suitable for high-density circuit board layouts.
Additional Details
The 32.768 kHz crystal is widely used because it's easily divided down to 1 Hz, simplifying the design of seconds counters. The RSM200S package is a small surface mount package, designed for automated placement. The 12.5 pF load capacitance is a critical parameter that must be considered when designing the oscillator circuit. Using the correct load capacitance ensures that the crystal oscillates at its specified frequency. The 'T' likely signifies tape and reel packaging for automated assembly. The crystal is often housed in a ceramic package.