CS31-32.768K-12.5

Crystals Overview

The CS31-32.768K-12.5 is a tuning fork crystal oscillator manufactured by Transko Electronics, Inc., designed for precision frequency control applications. It operates at a nominal frequency of 32.768 kHz with a frequency tolerance of ±20 ppm. The component features a load capacitance of 12.5 pF and an equivalent series resistance (ESR) of 80 kOhms. It is housed in a compact 2-SMD, No Lead package, specifically identified as SMD3215-2P, suitable for surface-mount assembly. The device supports an operating temperature range of -40°C to +85°C and complies with RoHS standards.

Crystals Feature Summary

• Precision tuning fork crystal design for stable timekeeping
• Compact surface-mount package for automated assembly
• Wide operating temperature range for industrial environments

Crystals Applications

• Real-time clock circuits in consumer electronics
• Microcontroller system oscillators
• Portable battery-powered devices requiring low power consumption

Crystals Procurement Notes

Verify the specific ordering suffix against official Transko Electronics documentation to ensure correct packaging configuration. Confirm that the required load capacitance matches the target circuit design. Check for compliance certifications such as RoHS if restricted substances are prohibited in the final product assembly process.

Crystals Selection Notes

Select this component when a standard 32.768 kHz reference is required for low-power digital systems. Ensure the PCB layout accommodates the 2-SMD footprint dimensions. Consider the ESR value in relation to the oscillator circuit's drive level requirements to prevent overdriving the crystal element.

Crystals Part Context

This part belongs to the CS31 series of crystals from Transko Electronics, Inc. The series typically includes variants with different load capacitances and packaging options. The CS31-32.768K-12.5 represents a specific configuration optimized for general-purpose timing applications where moderate accuracy and cost-effectiveness are prioritized.

Crystals Replacement Considerations

Cross-reference with other manufacturers offering 32.768 kHz tuning fork crystals in SMD3215 packages. Verify pin compatibility and electrical parameters such as frequency tolerance and ESR before substitution.