3121M-32.768DT09LLK

Crystals Overview

The 3121M-32.768DT09LLK is a surface-mount quartz crystal resonator manufactured by Suzhou Hangjing Elec&Tech Co., Ltd. It operates at a fundamental frequency of 32.768 kHz, designed for precision timing applications. The component features a load capacitance of 9 pF and an equivalent series resistance (ESR) of 90 kOhms. It utilizes a two-terminal SMD package without leads, suitable for automated assembly processes.

Crystals Feature Summary

• Precision frequency control using piezoelectric quartz technology
• Surface-mount design optimized for automated placement
• Stable oscillation characteristics with defined load parameters

Crystals Applications

• Real-time clock circuits in consumer electronics
• Microcontroller system timing references
• Low-power wearable device synchronization

Crystals Procurement Notes

Verify the specific ordering suffix DT09LLK against official manufacturer documentation to ensure correct load capacitance and ESR specifications. Confirm package dimensions and soldering profile requirements prior to integration. Cross-reference part numbers with authorized distributors to avoid counterfeit components.

Crystals Selection Notes

Select this component when a 32.768 kHz output is required with a 9 pF load capacitance constraint. Evaluate the 90 kOhm ESR limit against the oscillator circuit design to ensure stable startup. Ensure the SMD footprint matches the PCB layout constraints for reliable mechanical attachment.

Crystals Part Context

This part belongs to the 3121M series of quartz crystals from Suzhou Hangjing. The company specializes in quartz frequency controlling units, focusing on R&D and production of such components. This series supports various frequency options within the standard range for timekeeping applications.