0121M4-20.000F12DTNJK

Crystals Overview

The 0121M4-20.000F12DTNJK is a surface-mount quartz crystal resonator manufactured by Suzhou Hangjing Elec & Tech Co., Ltd. It operates at a fundamental frequency of 20 MHz with a frequency tolerance of ±10 ppm. The component features a load capacitance of 12 pF and an equivalent series resistance (ESR) of 125 Ohms. It utilizes a 4-SMD, no-lead package design suitable for automated assembly processes.

Crystals Feature Summary

• Provides stable oscillation at 20 MHz with tight frequency tolerance
• Designed for compact surface-mount applications using a leadless package
• Engineered for reliable performance in quartz frequency control units

Crystals Applications

• General purpose clock signal generation
• Microcontroller oscillator circuits
• Communication module timing references

Crystals Procurement Notes

Verify the specific manufacturer part number against official Suzhou Hangjing documentation to ensure authenticity. Confirm that the load capacitance and ESR values match your circuit design requirements before procurement. Ensure compatibility with standard reflow soldering profiles for 4-SMD packages.

Crystals Selection Notes

Select this component when a 20 MHz reference with ±10 ppm stability is required. The 12 pF load capacitance must align with the oscillator circuit's input capacitance. Consider the 125 Ohm ESR limit for drive level constraints. The leadless SMD form factor aids in space-constrained PCB layouts.

Crystals Part Context

This crystal belongs to the 0121M4 series from Suzhou Hangjing, which focuses on quartz frequency controlling units. The company specializes in R&D and production of such components since 2014. This specific model represents a standard surface-mount solution within their portfolio of frequency control products.