Kingtronics Blog

Kingtronics International Company · Inspired by Innovation

Quartz crystals are essential components used to generate precise timing signals in electronic circuits. From microcontrollers and embedded systems to industrial automation and communication equipment, quartz crystals provide the reference clock required for stable system operation.

The Kingtronics QKT SMD Quartz Crystal series offers compact surface-mount crystal solutions designed for modern electronics manufacturing. The series includes multiple package sizes and frequency ranges suitable for both low-frequency RTC timing and high-frequency digital circuits.

What Is an SMD Quartz Crystal?

An SMD quartz crystal is a frequency control component that uses the piezoelectric properties of quartz to produce a stable oscillation frequency. When connected to oscillator circuits in microcontrollers or processors, the crystal generates precise timing signals required for digital operations.

• Compact package sizes for high-density PCB layouts
• High frequency stability for digital electronics
• Compatibility with automated SMT assembly
• Reliable operation across wide temperature ranges

QKT SMD Quartz Crystal Product Comparison

Typical Applications

• Microcontrollers
• IoT devices
• Industrial control systems
• Consumer electronics
• Communication modules

Watch: QKT SMD Quartz Crystal Overview

To better understand the structure and applications of SMD quartz crystals, the following video provides a visual overview of the Kingtronics QKT crystal series. The video demonstrates the compact package design, frequency stability, and typical applications used in microcontrollers, communication modules, and embedded systems.

FAQ – Quartz Crystal Selection

What is a 32.768 kHz crystal used for?

A 32.768 kHz crystal is commonly used in real-time clock circuits because the frequency can be easily divided to generate accurate one-second timing signals.

What is an AT-cut crystal?

AT-cut quartz crystals are widely used for high-frequency applications because they offer excellent temperature stability and frequency accuracy.

How do I choose the right SMD quartz crystal?

Engineers typically evaluate frequency range, package size, load capacitance, frequency tolerance and ESR to select a suitable crystal oscillator for their circuit.