The Electrical Engineer's Guide to Safety Capacitors

Posted by Peter Matthews on Oct 22, 2025 8:00:01 AM
Peter Matthews

In high-voltage, high-reliability applications, safety is non-negotiable. That’s why safety capacitors are essential for mitigating the risks associated with transient voltages and electrical interference. 

The Electrical Engineer’s  Guide to Safety Capacitors (1)

Our latest eBook, The Electrical Engineer's Guide to Safety Capacitors, provides in-depth guidance on the role, classification, and selection of safety capacitors, ensuring you can make confident design choices that protect both users and equipment.

What You’ll Learn:

  • The role safety capacitors play in a circuit
  • The different classes and subclasses safety capacitors are divided into
  • Dielectric material selection considerations for your application
  • How to select the appropriate safety capacitor for EMI filtering in the power factor correction (PFC) stage of an AC/DC converter
  • The broad range of safety capacitor options from Knowles, including our newly expanded portfolio of enhanced safety-certified multilayer ceramic capacitors (MLCCs) 

Download The Electrical Engineer’s Guide to Safety Capacitors to learn more. 

Need help selecting the right capacitors for your application? Our team is ready to assist

 

Topics: Capacitor

Insights Into Precision Passive Devices

Knowles Precision Devices is a premier global source for Capacitors, RF Filters, EMI Filters, Resonators, non-magnetic components and advanced dielectric materials. An umbrella for the brands of Compex, DLI, Johanson MFG, Novacap, Syfer and Voltronics, Knowles Precision Devices serves a variety of markets including military, aerospace/avionics, medical equipment, implantable devices, EMI and connector filtering, oil exploration, instrumentation, industrial electronics, automotive, telecoms and data networks.

This Blog will provide insights into:

  • Filters for 5G and mmWave
  • Capacitors for High Voltage
  • Capacitors for High Reliability

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