Storage and Safety for Automotive Applications

Film Capacitors

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Leading brands worldwide rely on our solutions.

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Panasonic Film Capacitors are high-performance metallized polypropylene components designed for advanced automotive systems. Their low-loss characteristics, integrated fuse functionality, and long-term reliability ensure stable and safe energy transfer in high-voltage environments. Ideal for xEV applications, they combine compact size, durability, and safety to meet the highest standards of automotive power electronics.

Main Application

Stabilize the DC-link voltage

Film Capacitors are used in high-voltage inverter systems within electrified powertrains. They stabilize the DC-link voltage and provide energy buffering to ensure efficient and reliable electric motor operation.

Application 2

Power switching

Inside traction inverters, Film Capacitors are positioned near power switching elements to minimize voltage ripple, reduce transient spikes, and support precise motor control.

Application 3

EMI

In onboard chargers, Film Capacitors smooth the AC input and suppress EMI in the power factor correction and rectification stages to ensure reliable and compliant vehicle charging

Application 4

DC-DC converters

In high-voltage DC-DC converters, Film Capacitors provide energy stabilization and filtering to maintain clean and consistent low-voltage supply for the vehicle’s 12V systems.

Competent from development to testing to production

Integrated Pyro Fuse for Emergency Isolation

Panasonic’s BDUs can be equipped with a pyrotechnic fuse that provides ultra-fast, irreversible disconnection in critical situations. This enhances occupant safety and meets the stringent requirements of modern EV safety standards.

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Success Stories

We deliver on our promises

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Intelligence down to the detail

Technology for complex requirements

Panasonic Film Capacitors are optimized for compact design, with thin-film construction and segmented metallization enabling space-saving integration.

They offer low ESR and high ripple current capability to withstand the demands of fast-switching power electronics.

With wide voltage and capacitance ranges, they support flexible architecture choices across various vehicle platforms.

Their design ensures high reliability under harsh conditions including temperature cycling, vibration, and moisture exposure.

Manufacturing Excellence

Our components are manufactured in a dedicated automotive powertrain facility with a high degree of automation and precision. We apply design-for-manufacturing principles to ensure efficiency, repeatability, and consistent quality at scale—meeting the strict demands of automotive-grade production.

Maintenance & Lifecycle Support

We provide long-term product availability, re-certification assistance, and re-design support to extend the lifecycle of your systems and ensure long-term project stability. Our focus is on sustained customer satisfaction.

Automotive Method Competence

Our development process is aligned with industry standards such as ASPICE and Automotive Cyber Security. This ensures traceability, functional safety awareness, and secure product development—combined with clear and efficient communication throughout the process.

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Their design ensures high reliability under harsh conditions including temperature cycling, vibration, and moisture exposure.

Development in Lüneburg

Our capacitors are developed in Lüneburg, Germany, where we focus on close customer collaboration from the very first stage of the project. Using advanced thermal, electrical, and mechanical simulations, we align with customer specifications early on to avoid late-stage design issues. This results in faster decision-making and higher design accuracy.

Design Expertise

We offer customer-specific design tailored to unique platform needs. Through agile, interdisciplinary collaboration with local engineering and production teams, we accelerate time-to-market while ensuring product excellence.