Introducing Knowles Type PPH Capacitors To offer another option for engineers to meet the reliability and performance requirements of demanding automotive and industrial applications, Knowles is introducing a new capacitor series: Type PPH double metallized polypropylene film capacitors. Designed for applications operating under high voltages, frequencies, currents, and temperatures, these capacitors play a critical role in...

From Grid to Motion: How Industrial Electrification Is Redefining Power System Design by Trent Carroll via Knowles Precision Devices The shift toward industrial electrification is rapidly accelerating. Driven by efficiency improvements, sustainability goals, and advances in technology, electrification is transforming how energy is generated, stored, and delivered. While electrically powered technology is often associated with renewable...

Understanding the 7 Critical RF Subsystems Inside the Modern Missile by Peter Matthews via Knowles Precision Devices Modern missiles are packed with a diverse, ever-evolving set of multifunction components. While this makes modern missiles smarter and more efficient than ever, these converging technologies also increase RF complexity and can compound challenges within this fixed-size, compact platform....

Meeting the Demands of Pulse Power Applications by Peter Matthews via Knowles Precision Devices Across aerospace and defense applications, industrial systems, and medical devices, modern technologies increasingly depend on precise, reliable, and repeatable power delivered within tightly controlled timeframes. These requirements place growing demands on the components that store and release energy, particularly capacitors. Across aerospace...

Expanding Design Flexibility with New 3825 Case Size X1/Y2 Safety-Certified MLCCs The rise in automotive electrification, renewable energy systems, and high-density industrial power supplies is driving demand for power electronics that deliver more performance in less space, all without compromising safety or long-term reliability. In particular, engineers need compact safety-certified components that support high-voltage operation...

Knowles Expands Ceramic Core Inductor Portfolio for Reliable RF Performance in Diverse Applications Ceramic core inductors are widely used in RF and microwave circuits where stable inductance, reliable performance, and consistent manufacturability are important. They are commonly used in filtering, impedance matching, oscillators, and other RF signal conditioning applications across a wide range of commercial...

Cavity Filters: High Performance Under High Power by Peter Matthews via Knowles Precision Devices Resonators are the building blocks used to create filters. In the past, Knowles Precision Devices published a blog post that discussed two different types of resonators – coaxial ceramic and dielectric. In this post, Knowles Precision Devices will cover the details of a...

Specifying Capacitors for High-Energy Pulse Applications Energy storage capacitor banks supply pulsed power in high-current applications, including shockless compression and fusion. As capacitor bank technology advances with more precise switching and higher energy density, fast discharge capacitors can reliably support more advanced applications. The energy storage capacitors selected for large banks must feature low inductance,...

Lumped Element Filters: A Compact, Low-Frequency Filtering Option Knowles Precision Devices is well known for expertise in delivering high-performance mmWave filtering options. But did you know that Knowles Precision Devices also excels at providing a wide variety of lower-frequency filtering options using a lumped element filter construction? In this blog post, Knowles Precision Devices explores...

Understanding Ripple Current to Properly Manage Heat in Power Capacitor Design by Peter Matthews. In power electronics, voltage is rarely perfectly DC. Switch-mode power supplies, inverters, and converters all generate AC ripple that flows into and out of capacitors. While a ripple current rating may seem secondary to a capacitance or voltage rating, in real-world designs,...