Uploaded August 2026 | Updated September 2026, 2 weeks ago
In this episode, we break down what Power Factor Correction (PFC) is actually doing inside an offline power supply. We will explain why bridge-rectifier front ends create distorted input current, how active boost PFC reshapes that waveform, and what engineers need to know about conduction modes, interleaving, EMI filters, and modern wide-bandgap topologies. It also connects classic PFC design practice with newer digital-control approaches in advanced energy systems.
RELATED SOLUTIONS:
Wurth Elektronik PFC Product Family: we-online.com/en/components/products/WE-PFC
LTSpice Libraries from Wurth Elektronik: we-online.com/en/support/design-tools/libraries/ltspice
1-Phase Line Filter Design Application Guide (ANP015): we-online.com/en/support/knowledge/application-notes?d=anp015-line-filter
Mains Filter Application Guide: we-online.com/en/components/productnavigator/mains-filter
Power Supply Product Navigator: we-online.com/en/components/productnavigator/power-supply
Würth Elektronik online: we-online.com
Listen to our PODCAST🎙️: we-online.com/en/news-center/podcast
Follow us on LinkedIn: linkedin.com/company/wurth-elektronik (Americas)
Follow us on LinkedIn: linkedin.com/company/wuerth-elektronik-group (Europe)
Like us on Facebook: facebook.com/WurthElectronics (Americas)
Like us on Facebook: facebook.com/Wuerth.Elektronik.Group (Europe)
Follow us on X: https://x.com/WurthElectronic/ (Americas)
Follow us on X: https://x.com/we_online (Europe)
Follow us on Instagram: instagram.com/wurthelectronics (Americas)
Timestamps:
00:00 Introduction
02:15 What Does Power Factor Actually Mean?
05:27 Boost PFC (Power Factor Correction) and Conduction Modes
08:25 Power Level, Interleaving, and Wide Bandgap
11:10 The PFC Inductor- Component Selection, EMI (Electromagnetic Interference), and Practical Design
14:52 How PFC is Evolving and Where It Is Headed
In this episode, we break down what Power Factor Correction (PFC) is actually doing inside an offline power supply. We will explain why bridge-rectifier front ends create distorted input current, how active boost PFC reshapes that waveform, and what engineers need to know about conduction modes, interleaving, EMI filters, and modern wide-bandgap topologies. It also connects classic PFC design practice with newer digital-control approaches in advanced energy systems.
RELATED SOLUTIONS:
Wurth Elektronik PFC Product Family: we-online.com/en/components/products/WE-PFC
LTSpice Libraries from Wurth Elektronik: we-online.com/en/support/design-tools/libraries/ltspice
1-Phase Line Filter Design Application Guide (ANP015): we-online.com/en/support/knowledge/application-notes?d=anp015-line-filter
Mains Filter Application Guide: we-online.com/en/components/productnavigator/mains-filter
Power Supply Product Navigator: we-online.com/en/components/productnavigator/power-supply
Würth Elektronik online: we-online.com
Listen to our PODCAST🎙️: we-online.com/en/news-center/podcast
Follow us on LinkedIn: linkedin.com/company/wurth-elektronik (Americas)
Follow us on LinkedIn: linkedin.com/company/wuerth-elektronik-group (Europe)
Like us on Facebook: facebook.com/WurthElectronics (Americas)
Like us on Facebook: facebook.com/Wuerth.Elektronik.Group (Europe)
Follow us on X: https://x.com/WurthElectronic/ (Americas)
Follow us on X: https://x.com/we_online (Europe)
Follow us on Instagram: instagram.com/wurthelectronics (Americas)
Timestamps:
00:00 Introduction
02:15 What Does Power Factor Actually Mean?
05:27 Boost PFC (Power Factor Correction) and Conduction Modes
08:25 Power Level, Interleaving, and Wide Bandgap
11:10 The PFC Inductor- Component Selection, EMI (Electromagnetic Interference), and Practical Design
14:52 How PFC is Evolving and Where It Is Headed
