3426S-32.768DTTLLLK

Crystals Overview

The 3426S-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, a standard rate for real-time clock applications. The component features a cylindrical can package with radial leads, designed for through-hole mounting on printed circuit boards. Key electrical parameters include a load capacitance of 7 pF and an equivalent series resistance (ESR) of 40 kOhms. Frequency tolerance is specified at ±20 ppm. This device utilizes piezoelectric properties to provide stable frequency control in low-power electronic systems.

Crystals Feature Summary

• Provides precise frequency generation for timing circuits
• Utilizes cylindrical can construction for mechanical protection
• Supports radial lead configuration for board integration

Crystals Applications

• Real-time clock modules
• Microcontroller backup power supplies
• Low-frequency timing references

Crystals Procurement Notes

Verify the exact suffix 'DTTLLLK' against official manufacturer documentation to confirm specific tolerance and aging rate requirements. Ensure compatibility with existing PCB footprint dimensions and lead spacing specifications before procurement. Cross-reference the load capacitance value with the target oscillator circuit design to guarantee accurate frequency performance.

Crystals Selection Notes

Select this component when a 32.768 kHz reference is required for timekeeping functions. Consider the 40 kOhm ESR limit to ensure reliable oscillation start-up in high-impedance circuits. Evaluate the ±20 ppm tolerance against system accuracy requirements. Confirm that the radial cylindrical package fits within the designated assembly area constraints.

Crystals Part Context

This part belongs to the family of quartz crystal resonators produced by Suzhou Hangjing Elec&Tech Co., Ltd., established in 2014. The company specializes in research, development, and production of quartz frequency controlling units. The 3426S series represents their standard cylindrical can crystal lineup, widely used in consumer electronics and industrial equipment requiring stable low-frequency signals.

Crystals Replacement Considerations

Compatible substitutes include other 32.768 kHz crystals with identical 7 pF load capacitance and similar ESR values. Verify pinout compatibility and physical dimensions to ensure direct replacement without PCB modification.