FC-135R 32.7680KA-A

Crystals Overview

The FC-135R 32.7680KA-A is a surface-mount tuning fork crystal manufactured by Epson Timing. It operates at a nominal frequency of 32.768 kHz with a tolerance of ±20 ppm. The component features a load capacitance of 12.5 pF and an equivalent series resistance (ESR) of 50 kOhms. It is housed in a compact 2-SMD package measuring 3.2 mm x 1.5 mm x 0.8 mm. The device supports a wide operating temperature range from -40°C to +85°C and utilizes base harmonic operation mode.

Crystals Feature Summary

• Compact 2-SMD footprint designed for space-constrained applications
• Tuning fork architecture optimized for low power consumption
• Wide industrial temperature rating for reliable performance

Crystals Applications

• Small communications devices
• Portable electronic equipment
• Timekeeping circuits in consumer electronics

Crystals Procurement Notes

Verify the specific suffix against official Epson documentation to ensure correct packaging quantity and handling requirements. Confirm that the ordered variant matches the required load capacitance and ESR specifications for the target circuit design. Cross-reference part numbers to avoid confusion with similar series components.

Crystals Selection Notes

Select this component when a small form factor and low power consumption are critical for the application. Ensure the oscillator circuit is compatible with the 12.5 pF load capacitance and 50 kOhm ESR characteristics. Verify that the operating environment falls within the specified -40°C to +85°C temperature range for optimal stability.

Crystals Part Context

This part belongs to the FC-135R series, which includes various tuning fork crystals designed for timing applications. The series offers different load capacitances and packaging options to suit diverse design requirements while maintaining consistent frequency accuracy and reliability standards across the product line.

Crystals Replacement Considerations

X1A000141000311 is listed as an alias for this component. Verify compatibility with other manufacturers' 32.768 kHz SMD crystals if substitution is necessary, ensuring matching electrical parameters and mechanical dimensions.