3121M-32.768DT06LLK

Crystals Overview

The 3121M-32.768DT06LLK 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 6 pF and an equivalent series resistance (ESR) of 90 kOhms. Frequency tolerance is specified at ±20 ppm, with a frequency stability of ±20 ppm over the operating temperature range of -40°C to +85°C. The device utilizes a 2-SMD, No Lead package configuration, commonly referred to as 2012 size, ensuring compatibility with automated assembly processes.

Crystals Feature Summary

• Surface-mount design suitable for compact electronic assemblies
• Precision frequency control with stable oscillation characteristics
• Wide operating temperature range for diverse environmental conditions

Crystals Applications

• Real-time clock circuits in consumer electronics
• Microcontroller system timing references
• Portable communication devices requiring low power consumption

Crystals Procurement Notes

Verify the specific ordering suffix against official manufacturer documentation to ensure correct electrical parameters and packaging specifications. Confirm that the requested part number matches the exact frequency tolerance and load capacitance requirements of the target circuit design before finalizing procurement orders.

Crystals Selection Notes

Select this component when a 32.768 kHz reference signal is required for timekeeping or low-frequency synchronization. Ensure the circuit design accommodates the 6 pF load capacitance and 90 kOhm ESR values. Consider the ±20 ppm tolerance relative to the system's overall timing accuracy requirements and verify compatibility with the 2-SMD footprint constraints.

Crystals Part Context

This model belongs to the 3121M series of surface-mount crystals from Suzhou Hangjing. The series offers various frequency points and package sizes tailored for industrial and consumer applications. Related variants include models with different tolerances such as ±10 ppm, allowing designers to balance cost and performance needs within the same product family.

Crystals Replacement Considerations

Official documentation indicates that the 3121M-3121M-32.768DT06LLL is a related variant. Designers should verify pinout compatibility and electrical parameter equivalence before substituting components.