K5k 104 Capacitor

3 min read Jun 26, 2024
K5k 104 Capacitor

K5K 104 Capacitor: Understanding Its Characteristics and Applications

What is a K5K 104 Capacitor?

A K5K 104 capacitor is a type of ceramic capacitor that belongs to the family of class 1 ceramic capacitors. It is a surface-mount device (SMD) with a rectangular shape and is widely used in electronic circuits for decoupling, coupling, and filtering applications.

Key Characteristics

The K5K 104 capacitor has the following key characteristics:

  • ** Capacitance:** 100nF (104)
  • Dielectric Material: Ceramic (K5K)
  • Tolerance: ±10%
  • Operating Temperature: -55°C to +125°C
  • Rated Voltage: 50V DC
  • Equivalent Series Resistance (ESR): Low ESR
  • Insulation Resistance: High insulation resistance
  • Moisture Sensitivity: Low moisture sensitivity


The K5K 104 capacitor offers several advantages, including:

  • Stable Capacitance: The ceramic dielectric material ensures stable capacitance over a wide range of temperatures and frequencies.
  • Low ESR: The low ESR of the K5K 104 capacitor makes it suitable for high-frequency applications.
  • High Reliability: The capacitor has a high insulation resistance and low moisture sensitivity, making it reliable in humid and high-temperature environments.
  • Compact Size: The SMD package of the K5K 104 capacitor makes it ideal for use in compact electronic devices.


The K5K 104 capacitor is commonly used in various electronic applications, including:

  • Decoupling: The capacitor is used to decouple power supply lines and filter out high-frequency noise in digital circuits.
  • Coupling: It is used as a coupling capacitor in audio and radio frequency (RF) circuits.
  • Filtering: The K5K 104 capacitor is used in filters to block DC voltage and allow AC signals to pass through.

Precautions and Handling

When handling and using K5K 104 capacitors, it is essential to follow proper precautions to avoid damage and ensure reliable performance:

  • Handle with care: Avoid touching the capacitor terminals to prevent damage from electrostatic discharge (ESD).
  • Store in a dry environment: Keep the capacitors in a dry environment to prevent moisture absorption.
  • Follow proper soldering techniques: Use proper soldering techniques to avoid overheating the capacitor.

By understanding the characteristics and applications of the K5K 104 capacitor, designers and engineers can ensure reliable and efficient performance in their electronic devices.

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