3121M-32.768DTTLLLK

Crystals Overview

The 3121M-32.768DTTLLLK is a quartz crystal resonator manufactured by Suzhou Hangjing Elec&Tech Co., Ltd. It operates at a fundamental 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 90 kOhms. It utilizes a 2-SMD, No Lead package configuration, suitable for surface-mount assembly processes in compact electronic designs requiring precise timekeeping.

Crystals Feature Summary

• Surface-mount crystal resonator designed for low-profile applications
• Provides stable oscillation at standard 32.768 kHz frequency
• Compatible with automated SMD assembly lines

Crystals Applications

• Real-time clock circuits in portable electronics
• Timekeeping modules in consumer devices
• Microcontroller system clocks

Crystals Procurement Notes

Verify the manufacturer part number against official Suzhou Hangjing documentation to confirm specifications. Ensure compatibility with the target PCB footprint and soldering profile. Request datasheets from authorized channels to validate electrical parameters before integration into production systems.

Crystals Selection Notes

Select this component when a 32.768 kHz reference is required in a 2-SMD form factor. Consider the ±20 ppm tolerance and 12.5 pF load capacitance requirements of the oscillator circuit. Verify that the 90 kOhm ESR aligns with the host circuit's drive level constraints.

Crystals Part Context

This part belongs to the 3121M series of quartz crystals produced by Suzhou Hangjing Elec&Tech Co., Ltd. The company specializes in quartz frequency control components. This specific model represents a standard table crystal variant optimized for surface-mount technology applications.

Crystals Replacement Considerations

Cross-reference with other 32.768 kHz SMD crystals having identical 12.5 pF load capacitance and similar physical dimensions. Verify pinout compatibility and electrical characteristics before substituting.