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), and high glass transition temperatures (
) to protect sensitive internal structures like mica or metallized film.
Key Features and Benefits
- Superior Durability: These capacitors are engineered for severe operating environments, including aerospace and automotive applications, often using tough thermoset epoxies.
- High Reliability: The molding process ensures excellent electrical stability at high temperatures, minimizing ion diffusion which improves performance in humidity tests.
- High-Voltage Performance: Epoxy encapsulation (e.g., using specialized products like LINQSOL EMC-7560) allows them to handle high dielectric stress while preventing leakage and corona effects.
- Thermal Management: Specialized capacitor potting compounds provide thermal conductivity, helping to dissipate heat in power applications.
Common Applications
- High-Power Electronics: SiC power modules, inverters, and converters requiring high-temperature stability (up to ).
- Aerospace & Defense: Radar systems, satellite communications, and avionics requiring high reliability.
- Electric Vehicles (E-Mobility): Components subjected to high voltage and severe vibrations.
- Industrial Power Supplies: High-voltage filtering and snubbing.
Common Materials and Technology
- Epoxy Mold Compounds (EMC): High-density matrix polymers with low CTE (coefficient of thermal expansion) and high adhesion, such as those discussed on Caplinq.com.
- Mica Components: Epoxy-impregnated reconstituted mica paper is used for high-voltage and high-temperature capability.
- Metallized Polypropylene (MKP): Commonly used for X2 safety capacitors requiring moisture resistance.
These capacitors are often tested for high-temperature operating life (HTOL) and high-temperature, high-humidity, reverse bias (H3TRB) to ensure they meet the stringent demands of modern power electronics.
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Molded Surface Mount Ceramic Capacitor Assemblies
Fujian Torch Electron Technology Co.,Ltd
https://www.torchcapacitor.com › molded-surface-mou...
Fujian Torch Electron Technology Co.,Ltd
https://www.torchcapacitor.com › molded-surface-mou...
We have focused on capacitor production for decades, developing high performance Molded Surface Mount Ceramic Capacitor Assemblies for your project.
Capacitor Potting Compounds for E-Mobility
Epic Resins
https://www.epicresins.com › E-Mobility › Capacitors
Epic Resins
https://www.epicresins.com › E-Mobility › Capacitors
Epic 0154 is a thermally conductive, 1-component epoxy potting compound · Low-temperature cure and good electrical properties · Minimal settling characteristics ...Read more
High Reliability Polymer Capacitors
kyocera avx
https://www.kyocera-avx.com › ... › Polymer Capacitors
kyocera avx
https://www.kyocera-avx.com › ... › Polymer Capacitors
The new High-Rel Series polymer chip capacitors are designed for use in high reliability applications.
Resistors, Capacitors, Varistors and Passive Electronics
SolEpoxy
https://www.solepoxy.com › frontend › itemcontent
SolEpoxy
https://www.solepoxy.com › frontend › itemcontent
DK18-2100 is a high-performance epoxy coating powder developed for Class 1 power capacitors and varistors, which are physically large high power and high ...Read more
Semiconductor Epoxy Mold Compounds
Caplinq
https://www.caplinq.com › ... › Molding Compounds
Caplinq
https://www.caplinq.com › ... › Molding Compounds
Semiconductor molding compounds are fine filled, electrically stable compounds, ideal for the miniaturised semiconductor packaging requirements.Read more
People also ask
Is C0G better than X7R?
C0G vs X7R
X7R (Class 2 capacitors) are ferroelectric ceramic types that offer much higher dielectric constants and are better for general-purpose decoupling applications where space and higher capacitance are priorities. Best for: C0G: Precision, low-loss circuits.
X7R (Class 2 capacitors) are ferroelectric ceramic types that offer much higher dielectric constants and are better for general-purpose decoupling applications where space and higher capacitance are priorities. Best for: C0G: Precision, low-loss circuits.
11 Ceramic Capacitor Types & What They Are Used For Explained
pentalabs.com
https://pentalabs.com › blogs › tube-talk › ceramic-capac...
pentalabs.com
https://pentalabs.com › blogs › tube-talk › ceramic-capac...
What is the most powerful capacitor?
Supercapacitor. A supercapacitor (SC), also called an ultracapacitor, is a high-capacity capacitor, with a capacitance value much higher than solid-state capacitors but with lower voltage limits. It bridges the gap between electrolytic capacitors and rechargeable batteries.
Supercapacitor - Wikipedia
Wikipedia
https://en.wikipedia.org › wiki › Supercapacitor
Wikipedia
https://en.wikipedia.org › wiki › Supercapacitor
Web results
Epoxy Die Bonding of Ultra Small Ceramic Capacitors
Mycronic
https://www.mycronic.com › news--events › news › ep...
Mycronic
https://www.mycronic.com › news--events › news › ep...
May 22, 2018 — New high precision tape feeders are now available, which offer the accuracy and performance needed for handling these ultra-small capacitors.Read more
Missing: strength molded
High-Energy-Density Capacitors
NASA (.gov)
https://ntrs.nasa.gov › citations
NASA (.gov)
https://ntrs.nasa.gov › citations
by K Slenes2003 — Capacitors capable of storing energy at high densities are being developed for use in pulse-power circuits in such diverse systems as ...
Old school green resin film capacitors?
EEVblog
https://www.eevblog.com › forum › repair › old-school...
EEVblog
https://www.eevblog.com › forum › repair › old-school...
Nov 21, 2022 — Ceramic caps, unless you are using expensive C0G types, have greater variation in capacitance value versus applied voltage and temperature ...Read more
Dielectric Breakdown of In-Package Epoxy Mold ...
IEEE
https://ieeexplore.ieee.org › document
IEEE
https://ieeexplore.ieee.org › document
by L Balestra2024Cited by 1 — Epoxy-based molding compounds (EMCs) are highly valued materials in the electronics industry due to their strong resistance to a variety of mechanical, ...
New Film Capacitors
Mouser Electronics
https://www.mouser.com › new › passive-components
Mouser Electronics
https://www.mouser.com › new › passive-components
The B3271 capacitors are designed with high-voltage and low-loss capabilities, offering high-current performance. The flame-retardant plastic case and epoxy ...Read more