--- title: Knowles Precision Devices Blog | Chris Kelly description: Knowles Precision Devices Blog --- [![Knowlescapacitors](https://blog.knowlescapacitors.com/hubfs/Knowlescapacitors_September2018/Images/knowlesPDWhite250w.png)](http://www.knowlescapacitors.com/) - Capacitors - [Capacitor Overview](https://www.knowlescapacitors.com/Products/Capacitors) - [Aerospace & Defense](https://www.knowlescapacitors.com/Products/Capacitors/Aerospace-and-Defense) - [High Q](https://www.knowlescapacitors.com/Products/Capacitors/High-Q) - [SMD Capacitors](http://www.knowlescapacitors.com/Products/Capacitors/SMDCap.aspx) - [MLCCs with Leads](http://www.knowlescapacitors.com/Products/Capacitors/Leaded-MLC-s.aspx) - [Single Layer Capacitor](http://www.knowlescapacitors.com/Products/Capacitors/Single-Layer-Capacitor.aspx) - [AEC-Q200](http://www.knowlescapacitors.com/Products/Capacitors/AEC-Q200.aspx) - [Broadband Blocks](http://www.knowlescapacitors.com/Products/Capacitors/Broadband-Blocks.aspx) - [Capacitor Assemblies](http://www.knowlescapacitors.com/Products/Capacitors/CAP-Assemblies.aspx) - [Trimmer](http://www.knowlescapacitors.com/Products/Capacitors/Trimmer.aspx) - [Aluminum Capacitors](https://www.cde.com/capacitors/aluminum-electrolytic/) - [Film Capacitors](https://www.cde.com/capacitors/film-paper-film-capacitors/) - [Supercapacitors](https://www.cde.com/capacitors/ultracapacitors/) - RF and Microwave - [RF & Microwave Overview](https://www.knowlescapacitors.com/Products/Microwave-Products) - [Filter Technology](https://www.knowlescapacitors.com/Products/Microwave-Products/Filter-Technology) - [5G Filters](https://www.knowlescapacitors.com/Products/Microwave-Products/5G-Filters) - [Bandpass Filters](http://www.knowlescapacitors.com/Products/Microwave-Products/Bandpass-Filters.aspx) - [Lowpass Filters](http://www.knowlescapacitors.com/Products/Microwave-Products/Lowpass-Filters.aspx) - [Highpass Filters](http://www.knowlescapacitors.com/Products/Microwave-Products/Highpass-Filters.aspx) - [Cavity Filters](http://www.knowlescapacitors.com/Products/Microwave-Products/Cavity-Filters.aspx) - [Couplers](http://www.knowlescapacitors.com/Products/Microwave-Products/Couplers.aspx) - [High Frequency RF Crossover](https://www.knowlescapacitors.com/Products/Microwave-Products/RF-Crossover) - [Custom Design Filters](http://www.knowlescapacitors.com/Products/Microwave-Products/Custom-Design-Filters.aspx) - [Gain Equalizers](http://www.knowlescapacitors.com/Products/Microwave-Products/Gain-Equalizers.aspx) - [Power Dividers](http://www.knowlescapacitors.com/Products/Microwave-Products/Power-Dividers.aspx) - [Resonators](http://www.knowlescapacitors.com/Products/Microwave-Products/Resonatros.aspx) - [Ceramic Resonators](https://www.knowlescapacitors.com/Products/Microwave-Products/Ceramic-Resonators) - [Bias Filter Networks](http://www.knowlescapacitors.com/Products/Microwave-Products/Bias-Filter-Networks.aspx) - [SatCom Products](https://www.knowlescapacitors.com/Products/Microwave-Products/SatCom-Products) - [Self Bias Networks](http://www.knowlescapacitors.com/Products/Microwave-Products/Self-Bias-Networks.aspx) - EMI - [EMI Overview](https://www.knowlescapacitors.com/Products/EMI) - [EMI Filters](https://www.knowlescapacitors.com/Products/EMI/EMI-Filters) - [Planars and Discoidals](https://www.knowlescapacitors.com/Products/EMI/Planars-and-Discoidals) - Non Magnetic - [Non-Magnetic Overview](https://www.knowlescapacitors.com/Products/Non-magnetic-Components) - [Non-Magnetic Hardware](http://www.knowlescapacitors.com/Products/Non-magnetic-Components/Hardware.aspx) - [Non-Magnetic Inductors](http://www.knowlescapacitors.com/Products/Non-magnetic-Components/Inductors.aspx) - [Non-Magnetic MLC's](http://www.knowlescapacitors.com/Products/Non-magnetic-Components/Non-Magnetic.aspx) - [Non-Magnetic Trimmers](http://www.knowlescapacitors.com/Products/Non-magnetic-Components/Trimmers.aspx) - Thin Film and Substrates - [Heatsinks & Standoffs](https://www.knowlescapacitors.com/Products/Thin-Film-and-Substrates/Heatsinks-Standoffs) - [Mounting Shorts](https://www.knowlescapacitors.com/Products/Thin-Film-and-Substrates/Mounting-Shorts) - [Submounts](https://www.knowlescapacitors.com/Products/Thin-Film-and-Substrates/Submounts) - [Build to Print](https://www.knowlescapacitors.com/Products/Thin-Film-and-Substrates/Build-To-Print) - [Substrates](http://www.knowlescapacitors.com/Products/Thin-Film-and-Substrates/Substrates.aspx) - Solutions - [Inductors & Baluns](https://info.knowlescapacitors.com/inductors-and-baluns) - [Military and Defense](https://info.knowlescapacitors.com/rf-and-microwave-components-for-military-and-defense) - [mmWave for 5G](https://info.knowlescapacitors.com/knowles-precision-devices-5g-filter-solutions) - [SatCom Products](https://www.knowlescapacitors.com/Solutions/SatCom-Products) - [High Reliability for Medical](https://info.knowlescapacitors.com/high-reliability-capacitors-medical-implantable) - [High Voltage for Electric Vehicles](https://info.knowlescapacitors.com/knowles-precision-devices-capacitors-for-electric-vehicles) - [Contact](http://www.knowlescapacitors.com/Contact.aspx) - [Careers](https://www.knowles.com/careers) - [Company](http://www.knowlescapacitors.com/Company.aspx) - Support - [Blog](https://blog.knowlescapacitors.com/blog) - [White Papers & Webinars](https://info.knowlescapacitors.com/resources) - [Catalogs](http://www.knowlescapacitors.com/Support/Catalogs.aspx) - [Video FAQs](https://info.knowlescapacitors.com/videos) - [Capacitor Basics](https://info.knowlescapacitors.com/knowles-precision-devices-capacitor-basics) - [Build To Print Basics](https://info.knowlescapacitors.com/build-to-print-basics) - [Filter Basics](https://info.knowlescapacitors.com/filter-basics) - [RF Components for Radar](https://info.knowlescapacitors.com/knowles-precision-devices-radar-funadamentals) - [Design Tools](http://www.knowlescapacitors.com/Support/Design-Tools.aspx) - [Product Compliance](https://info.knowlescapacitors.com/product-compliance) - [Quality](https://www.knowlescapacitors.com/Support/Quality) - [Resources](http://www.knowlescapacitors.com/Support/Resources.aspx) - [LOGIN](http://www.knowlescapacitors.com/Special-Pages/Login.aspx) - - Capacitors - [Capacitor Overview](https://www.knowlescapacitors.com/Products/Capacitors) - [Aerospace & Defense](https://www.knowlescapacitors.com/Products/Capacitors/Aerospace-and-Defense) - [High Q](https://www.knowlescapacitors.com/Products/Capacitors/High-Q) - [SMD Capacitors](http://www.knowlescapacitors.com/Products/Capacitors/SMDCap.aspx) - [MLCCs with Leads](http://www.knowlescapacitors.com/Products/Capacitors/Leaded-MLC-s.aspx) - [Single Layer Capacitor](http://www.knowlescapacitors.com/Products/Capacitors/Single-Layer-Capacitor.aspx) - [AEC-Q200](http://www.knowlescapacitors.com/Products/Capacitors/AEC-Q200.aspx) - [Broadband Blocks](http://www.knowlescapacitors.com/Products/Capacitors/Broadband-Blocks.aspx) - [Capacitor Assemblies](http://www.knowlescapacitors.com/Products/Capacitors/CAP-Assemblies.aspx) - [Trimmer](http://www.knowlescapacitors.com/Products/Capacitors/Trimmer.aspx) - [Aluminum Capacitors](https://www.cde.com/capacitors/aluminum-electrolytic/) - [Film Capacitors](https://www.cde.com/capacitors/film-paper-film-capacitors/) - [Supercapacitors](https://www.cde.com/capacitors/ultracapacitors/) - RF and Microwave - [RF & Microwave Overview](https://www.knowlescapacitors.com/Products/Microwave-Products) - [Filter Technology](https://www.knowlescapacitors.com/Products/Microwave-Products/Filter-Technology) - [5G Filters](https://www.knowlescapacitors.com/Products/Microwave-Products/5G-Filters) - [Bandpass Filters](http://www.knowlescapacitors.com/Products/Microwave-Products/Bandpass-Filters.aspx) - [Lowpass Filters](http://www.knowlescapacitors.com/Products/Microwave-Products/Lowpass-Filters.aspx) - [Highpass Filters](http://www.knowlescapacitors.com/Products/Microwave-Products/Highpass-Filters.aspx) - [Cavity Filters](http://www.knowlescapacitors.com/Products/Microwave-Products/Cavity-Filters.aspx) - [Couplers](http://www.knowlescapacitors.com/Products/Microwave-Products/Couplers.aspx) - [Custom Design Filters](http://www.knowlescapacitors.com/Products/Microwave-Products/Custom-Design-Filters.aspx) - [Gain Equalizers](http://www.knowlescapacitors.com/Products/Microwave-Products/Gain-Equalizers.aspx) - [Power Dividers](http://www.knowlescapacitors.com/Products/Microwave-Products/Power-Dividers.aspx) - [Resonators](http://www.knowlescapacitors.com/Products/Microwave-Products/Resonatros.aspx) - [Ceramic Resonators](https://www.knowlescapacitors.com/Products/Microwave-Products/Ceramic-Resonators) - [Bias Filter Networks](http://www.knowlescapacitors.com/Products/Microwave-Products/Bias-Filter-Networks.aspx) - [SatCom Products](https://www.knowlescapacitors.com/Products/Microwave-Products/SatCom-Products) - [Self Bias Networks](http://www.knowlescapacitors.com/Products/Microwave-Products/Self-Bias-Networks.aspx) - EMI - [EMI Overview](https://www.knowlescapacitors.com/Products/EMI) - [EMI Filters](https://www.knowlescapacitors.com/Products/EMI/EMI-Filters) - [Planars and Discoidals](https://www.knowlescapacitors.com/Products/EMI/Planars-and-Discoidals) - Non Magnetic - [Non-Magnetic Overview](https://www.knowlescapacitors.com/Products/Non-magnetic-Components) - [Non-Magnetic Hardware](http://www.knowlescapacitors.com/Products/Non-magnetic-Components/Hardware.aspx) - [Non-Magnetic Inductors](http://www.knowlescapacitors.com/Products/Non-magnetic-Components/Inductors.aspx) - [Non-Magnetic MLC's](http://www.knowlescapacitors.com/Products/Non-magnetic-Components/Non-Magnetic.aspx) - [Non-Magnetic Trimmers](http://www.knowlescapacitors.com/Products/Non-magnetic-Components/Trimmers.aspx) - Thin Film and Substrates - [Heatsinks, Standoffs & Submounts](https://www.knowlescapacitors.com/Products/Thin-Film-and-Substrates/Heatsinks-Standoffs) - [Mounting Shorts](https://www.knowlescapacitors.com/Products/Thin-Film-and-Substrates/Mounting-Shorts) - [Submounts](https://www.knowlescapacitors.com/Products/Thin-Film-and-Substrates/Submounts) - [Build to Print](https://www.knowlescapacitors.com/Products/Thin-Film-and-Substrates/Build-To-Print) - [Substrates](http://www.knowlescapacitors.com/Products/Thin-Film-and-Substrates/Substrates.aspx) - Solutions - [Inductors & Baluns](https://info.knowlescapacitors.com/inductors-and-baluns) - [Military and Defense](https://info.knowlescapacitors.com/rf-and-microwave-components-for-military-and-defense) - [mmWave for 5G](https://info.knowlescapacitors.com/knowles-precision-devices-5g-filter-solutions) - [SatCom Products](https://www.knowlescapacitors.com/Solutions/SatCom-Products) - [High Reliability for Medical](https://info.knowlescapacitors.com/high-reliability-capacitors-medical-implantable) - [High Voltage for Electric Vehicles](https://info.knowlescapacitors.com/knowles-precision-devices-capacitors-for-electric-vehicles) - [Contact](http://www.knowlescapacitors.com/Contact.aspx) - [Careers](https://www.knowles.com/careers) - [Company](http://www.knowlescapacitors.com/Company.aspx) - Support - [Blog](https://blog.knowlescapacitors.com/blog) - [White Papers & Webinars](https://info.knowlescapacitors.com/resources) - [Catalogs](http://dev.knowlescapacitors.com/Support/Catalogs.aspx) - [Video FAQs](https://info.knowlescapacitors.com/videos) - [Capacitor Basics](https://info.knowlescapacitors.com/knowles-precision-devices-capacitor-basics) - [Build To Print Basics](https://info.knowlescapacitors.com/build-to-print-basics) - [Filter Basics](https://info.knowlescapacitors.com/filter-basics) - [RF Components for Radar](https://info.knowlescapacitors.com/knowles-precision-devices-radar-funadamentals) - [Design Tools](http://www.knowlescapacitors.com/Support/Design-Tools.aspx) - [Quality](https://www.knowlescapacitors.com/Support/Quality) - [Product Compliance](https://info.knowlescapacitors.com/product-compliance) - [Resources](http://www.knowlescapacitors.com/Support/Resources.aspx) - [LOGIN](http://www.knowlescapacitors.com/Special-Pages/Login.aspx) - ## Knowles Precision Devices Blog ## Chris Kelly ### Recent Posts ## [Introducing Knowles Type PPH Capacitors](https://blog.knowlescapacitors.com/blog/introducing-knowles-type-pph-capacitors) Posted by [Chris Kelly](https://blog.knowlescapacitors.com/blog/author/chris-kelly) on Jul 22, 2026 8:00:02 AM - [Tweet](https://twitter.com/share) [![](https://blog.knowlescapacitors.com/hubfs/Introducing%20Knowles%20Type%20PPH%20Capacitors%20(3).png)](https://blog.knowlescapacitors.com/blog/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](https://product.knowles.com/capacitors/film/power-film-dc-applications?categoryHierarchy%5B0%5D=Capacitors&categoryHierarchy%5B1%5D=Film&categoryHierarchy%5B2%5D=Power%20Film%2C%20DC%20Applications&attribute_Range%5B0%5D=PPH). Designed for applications operating under high voltages, frequencies, currents, and temperatures, these capacitors play a critical role in protecting and stabilizing modern electronic systems, especially for automotive and industrial power circuits.  [Read More](https://blog.knowlescapacitors.com/blog/introducing-knowles-type-pph-capacitors) 0 Comments [Click here to read/write comments](https://blog.knowlescapacitors.com/blog/introducing-knowles-type-pph-capacitors#comments-listing) Topics: [Capacitor](https://blog.knowlescapacitors.com/blog/tag/capacitor), [News and Events](https://blog.knowlescapacitors.com/blog/tag/news-and-events) [All posts](https://blog.knowlescapacitors.com/blog/all) ## 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 and much more. 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