⚡ 1. Power Supplies & Filtering Circuits
ASC film capacitors like the X363 series are ideal for ripple filtering, voltage smoothing, and DC stabilization in SMPS and DC/DC converters. Non‑inductive polypropylene construction provides low-loss performance, long-term stability, and self-healing reliability. Commonly used for bypassing and noise suppression in general-purpose electronics
Use: Ripple filtering, voltage smoothing, bypassing
Series: X363, X37
Why ASC: Low ESR polypropylene capacitors ensure stable DC output in SMPS and industrial power supplies.
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Non-Inductive Wound Polypropylene Film and Foil Capacitors
Non-Inductive Wound Metallized Polypropylene Film Capacitors
🎧 2. Audio Equipment
ASC’s low-loss film capacitors (X363, X637) support coupling/decoupling and noise rejection in audio circuits. Their high insulation resistance and stable capacitance enhance clarity, reduce hum, and improve overall signal integrity.
Use: Coupling, decoupling, noise suppression
Series: X363, X637
Why ASC: High insulation resistance and low dielectric loss ensure superior tonal clarity and signal integrity.
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Non-Inductive Wound Polypropylene Film and Foil Capacitors
Non-Inductive Wound Metallized Polypropylene Film Capacitors
Non-Inductive Wound Polyester Film and Foil Capacitors
Non-Inductive Wound Metallized Polyester Film Capacitors
⏱️ 3. Timing & Oscillator Circuits
Precise tolerance and low leakage from polypropylene film capacitors make them excellent for timing, oscillation, and pulse-generation circuits. These features support consistent frequency response in control, timing, and waveform generation.
Use: Precision timing, frequency control
Why ASC: Tight tolerance film capacitors provide stable capacitance for predictable pulse generation.
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Non-Inductive Wound Polypropylene Film and Foil Capacitors
Non-Inductive Wound Metallized Polypropylene Film Capacitors
Non-Inductive Wound Polyester Film and Foil Capacitors
Non-Inductive Wound Metallized Polyester Film Capacitors
⚙️ 4. Motor Applications
ASC’s X389S series caters to motor startup, run-capacitor support, and harmonic filtering in motor drives. These capacitors improve energy efficiency and reliability in industrial motors, HVAC systems, and adjustable-speed drives.
Use: Start/run capacitor, phase shift
Series: X389S
Why ASC: Improves energy efficiency, reduces startup current, and extends motor lifespan.
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Metallized Polypropylene Film and Foil Capacitors
Non-Inductive Wound Polypropylene Film Capacitors
Metallized Polypropylene Film Capacitors
Double Metallized Polypropylene Film Capacitors
Non-Inductive Wound Metallized Polypropylene Film Capacitors
🔋 5. Energy Storage & Power Factor Correction
Series like X389S and X382(0044) offer bulk capacitance to support reactive power compensation and energy smoothing in industrial electrical systems and utility networks. They help stabilize voltage and reduce reactive losses in heavy-load environments.
Use: Reactive power compensation, voltage stabilization
Why ASC: Robust energy handling for utility, industrial, and grid stabilization applications.
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High Voltage Capacitors
Non-Inductive Wound Polypropylene Film and Foil Capacitors
Non-Inductive Wound Metallized Polypropylene Film Capacitors
Non-Inductive Wound Combination of Metallized Polypropylene and Polyester Film Capacitors
Metallized Polypropylene Film Capacitors
📡 6. High-Frequency & RF Circuits
Plastic-case polypropylene and polyester film capacitors handle high-frequency switching and RF suppression with low ESR and low inductance. ASC’s traditional film range suits SMPS filters and signal integrity applications in telecom and switching systems.
Use: EMI/RF suppression, signal filtering
Why ASC: Low ESR/ESL capacitors ensure clean signal integrity in telecom, radar, and RF switching.
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Non-Inductive Wound Metallized Polypropylene Film Capacitors
Metallized Polypropylene Film Capacitors
Metallized Polypropylene Film and Foil Capacitors
Non-Inductive Wound Metallized Polyphenylene Sulfide Capacitors
🛡️ 7. Voltage Clamping & Snubber Circuits
For surge protection in IGBT and SCR switching systems, ASC’s HVSC and 329 series deliver high transient absorption and EMI suppression. These capacitors protect inverters, motor drives, UPS, and grid-tied converters from switching-induced spikes.
Use: Spike suppression in IGBT and inverter systems
Series: HVSC, 329
Why ASC: Handles high dv/dt transients and protects semiconductors from switching surges.
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Non-Inductive Wound Metallized Polypropylene Film Capacitors
Non-Inductive Wound Double-Sided Metallized Polypropylene Film Capacitors
Metallized Polypropylene Film Capacitors
Double Metallized Polypropylene Film Capacitors
Metallized Polypropylene Film and Foil Capacitors
Non-Inductive Wound Polyester Film and Foil Capacitors
Non-Inductive Wound Metallized Polyester Film Capacitors
🩺 8. Medical Devices
Medical instrumentation demands capacitors with excellent reliability, stability, and low noise. ASC film capacitors provide self-healing, precision tolerance, and long lifecycle suited for diagnostic, monitoring, and pulse-demanding therapeutic applications.
Use: Low-leakage filtering in diagnostics, monitoring, and therapeutic circuits
Why ASC: Self-healing film capacitors offer precision and extended life in critical-care environments.
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Non-Inductive Wound Metallized Polypropylene Film Capacitors
9. Lighting & Ballasts
9. Lighting & Ballasts
Capacitors , like the BLS series, is purpose-built for electronic lighting and ballast systems. Designed for switching spike suppression, high-voltage reliability, and longevity. Ideal for HID, fluorescent, and automotive lighting applications.
Use: EMI suppression, PFC in HID, LED, and fluorescent systems
Why ASC: High-reliability capacitors reduce flicker and extend ballast and lamp life.
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Non-Inductive Wound Metallized Polypropylene Film Capacitors
Non-Inductive Wound Polypropylene Film and Foil Capacitors
Non-Inductive Wound Double-Sided Metallized Polypropylene Film Capacitors
📱 10. Consumer Electronics
Compact yet robust film capacitors support power conditioning, EMI filtering, and signal stability in households and portable electronics. ASC’s product range includes board-level decoupling and filtering capacitors that integrate well into consumer devices.
Use: Power filtering, noise suppression, and signal conditioning
Why ASC: Compact capacitors suited for PCBs in appliances, devices, and embedded systems.
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Non-Inductive Wound Metallized Polypropylene Film Capacitors
Non-Inductive Wound Polypropylene Film and Foil Capacitors
Non-Inductive Wound Metallized Polyester Film Capacitors
Non-Inductive Wound Polyester Film and Foil Capacitors
Non-Inductive Wound Metallized Polyphenylene Sulfide
11. Automotive Applications
11. Automotive Applications
ASC capacitors, including HVSC and film/foil types, deliver high pulse-handling and EMI suppression for traction inverters, EV charging modules, ignition systems, and onboard powertrain electronics operating under extreme automotive conditions.
Use: Ignition systems, traction inverters, power electronics
Why ASC: Automotive-grade reliability and resistance to vibration and thermal cycling.
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Non-Inductive Wound Metallized Polypropylene Film Capacitors
Metallized Polypropylene Film Capacitors
12. Communication Systems
12. Communication Systems
Film capacitors like the 663 series are optimized for precision instrumentation, signal filtering, and noise reduction in telecom, broadcast, and networking equipment. Their low ESR and high reliability support stable signal transmission.
Use: Signal filtering, data transmission, EMI control
Series: 663
Why ASC: Film capacitors enable clear, interference-free communication in high-speed networks.
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Non-Inductive Wound Metallized Polypropylene Film Capacitors
Non-Inductive Wound Polypropylene Film and Foil Capacitors
Non-Inductive Wound Metallized Polyester Film Capacitors
Non-Inductive Wound Polyester Film and Foil Capacitors
Non-Inductive Wound Metallized Polyphenylene Sulfide
Custom Capacitor Solutions
At ASC, we know every application has unique requirements. That’s why we offer custom-designed capacitors tailored to your exact specifications—whether you need specific voltage ratings, environmental tolerances, or specialized form factors.
Our engineering team can help you find the perfect solution for your project.
📩 Contact us today to discuss your application and request a quote.