CTS3-32.768-12.5-20-R

Crystals Overview

The CTS3-32.768-12.5-20-R is a surface-mount tuning fork crystal manufactured by Aker Technology Corp. 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 65 kOhms. Designed for low-power applications, it utilizes a fundamental mode of oscillation. The device is packaged in a compact 2-SMD, no-lead form factor suitable for automated assembly processes.

Crystals Feature Summary

• Tuning fork crystal design optimized for low power consumption
• Surface-mount package compatible with standard SMT reflow processes
• Fundamental mode operation ensuring stable frequency generation

Crystals Applications

• Real-time clock circuits in portable electronics
• Microcontroller system timing references
• Battery-powered embedded devices requiring low standby current

Crystals Procurement Notes

Verify the specific ordering suffix to ensure compliance with required environmental standards such as RoHS or lead-free specifications. Confirm that the load capacitance matches the oscillator circuit design requirements. Check datasheet revisions for any updates regarding mechanical dimensions or recommended soldering profiles to guarantee reliable integration into the target PCB layout.

Crystals Selection Notes

Select this component when a precise 32.768 kHz reference is needed for timekeeping functions. Ensure the application environment supports the specified frequency tolerance of ±20 ppm. Consider the physical footprint constraints of the 2-SMD package during board layout planning. Validate that the ESR value aligns with the host oscillator's drive level limitations to prevent over-driving the crystal.

Crystals Part Context

This part belongs to the CTS3 series of surface-mount crystals from Aker Technology. The series offers various frequency options tailored for consumer and industrial electronics. The CTS3 designation indicates a specific case size and pin configuration common in modern miniaturized designs. This model represents a standard frequency choice for digital timekeeping applications across multiple product categories.

Crystals Replacement Considerations

Direct substitutes include other 32.768 kHz SMD tuning fork crystals with identical 12.5 pF load capacitance and similar ESR values. Verify mechanical compatibility before swapping manufacturers. Cross-reference key parameters such as frequency stability and operating temperature range to maintain system performance integrity.