Energy Storage / Discharge Capacitors (ESC) / DC Filter Capacitors

We are Manufacturer, Supplier, Exporter of Energy Storage Capacitors, HV (High Voltage) DC Capacitors, Special Purpose Capacitors. This product is also known as Energy Discharge Capacitors, ESC, DC Filter Capacitors, DC Capacitors, Ripple Filter Capacitors, Pulse Forming Network Capacitors, Pulse Discharge Capacitors, PFN Capacitors, Impulse Capacitors, HT / HV (High Tension / High Voltage) Capacitors. Our setup is situated in Sangli, Maharashtra, India.

Manufacturer, Supplier Of Energy Storage Capacitors (ESC)

Energy Storage Capacitors (ESC)

Manufacturer, Supplier Of All Types Capacitors, High Voltage Capacitors

Energy Storage Capacitors (ESC)

Manufacturer, Supplier Of All Types Capacitors, High Voltage Capacitors

Energy Storage Capacitors (ESC)

Manufacturer, Supplier Of All Types Capacitors, High Voltage Capacitors

Energy Storage Capacitors (ESC)

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Energy Storage Capacitors (Energy Discharge Capacitors)

Energy storage capacitors are also known as energy discharge capacitors, PFN (Pulse Forming Network) capacitors, Thumping capacitors, Impulse capacitors.

Marxelec energy storage capacitors are designed with latest techniques and manufactured in clean environment as per international cleanliness standards. Raw materials are sourced from reputed overseas and genuine manufacturers.

Our specialty is high density, low inductance, low ESR, capable to handle high discharge current up to 500kA, longer life, environment friendly, leak-free and low profile termination and highly reliable quality. Also we will match the dimensions of existing capacitors at customer end. These capacitors will have wide applications.

We are adopting different designs and fabrication techniques for variety of applications to meet its specifications. These capacitors are manufactured in different shapes like cylindrical and rectangular shapes.

We produce Energy Storage Capacitors with MPP film / PP film / Polyester film / Capacitor tissue paper / And Mixed dielectric material depending upon its end application.

Most popular applications of Energy Storage Capacitors are,

  • Defense applications such as Laser, rail gun, explosive material testing and explosives
  • Laser application such as laser beam equipment, flash lamps,
  • Radar system
  • Flash tubes
  • Pulse forming networks with high pulse repetition rate (PRR)
  • Metal forming application
  • Impulse / Marx generators
  • Cable fault locators or cable thumpers
  • Magnetizers and De-magnetizers
  • Medical equipment such as Defibrillators, X-Ray machine, shock treatment, cancer treatment equipment.
  • And high current or energy discharge applications

Our present manufacturing range is,

  • Output – Up to 1000uf
  • Voltage – Up to 160kV DC
  • ESL- lowest value 15nH
  • Peak discharge current – More than 500kA
  • Life – 1 x 107 Discharges
  • Voltage reversal - More than 80%
  • Charge hold – up to 5min

(Other ratings are available as per customer’s specifications)

Capacitors will be available with,

  • Metal container with co-axial low inductance
  • Insulated Container
  • Cylindrical Shape
  • Co-axial termination / construction

Why Choose Marxelec Energy Storage Capacitors?

  • High Pulse Power Performance – Designed to deliver extremely high peak discharge currents for demanding applications.
  • Custom-Built Capacitors – Dimensions and ratings can be matched exactly to existing systems for seamless replacement.
  • Advanced Dielectric Materials – Available in MPP film, PP film, polyester film, capacitor tissue paper, or mixed dielectrics.
  • Superior Mechanical Design – Cylindrical and rectangular shapes available to suit installation space.
  • Low ESR and Inductance – Optimized for efficiency in high pulse discharge systems.
  • High Reliability – Voltage reversal capability above 80% and life exceeding 1 x 10⁷ discharges.
  • Compact & Safe – Leak-free, environment-friendly, and robust construction.
  • Wide Industry Usage – Trusted across defense, medical, research, and industrial sectors.
  • Export Ready – Manufactured in compliance with international standards.
  • After-Sales Technical Support – Complete guidance and service for long-term performance.

Industries Served

  • Defense & Aerospace
  • Power Electronics & Research Laboratories
  • Steel & Metal Forming Industries
  • Radar & Communication Systems
  • Medical Equipment Manufacturers
  • Electrical Testing & Fault Diagnosis Units
  • Energy Research & High-Voltage Testing Facilities


High Voltage DC Capacitors (DC Filter Capacitors)

High voltage DC capacitors are also known as DC filter capacitors.

Marxelec DC capacitors are designed with latest techniques and manufactured in clean environment as per international cleanliness standards. Raw materials are sourced from reputed overseas and genuine manufacturers. Our specialty is high density, low ESR, capable to handle high ripple currents, longer life, environment friendly, leak-free and low profile termination and highly reliable quality. Also we will match the dimensions of existing capacitors at customer end. These capacitors are manufactured in different shapes like cylindrical and rectangular shapes. We produce Energy Storage Capacitors with MPP film / PP film / Polyester film / Capacitor tissue paper / And Mixed dielectric material depending upon its end application.

Applications of DC capacitors are,

  • Defense applications such as voltage multiplier circuits, and ripple filter
  • Radar system
  • High voltage DC power supplies
  • Radio and Television Transmitter
  • Switch mode power supply
  • Converters and inverters
  • By pass filter
  • Coupling
  • Insect killers
  • Deionization
  • Railways
  • Damping and commutation

Our present manufacturing range is,

  • Output – Up to 5000uf
  • Voltage – Up to 160kV DC

(Other ratings are available as per customer’s specifications)

Capacitors will be available with,

  • Metal container
  • Insulated Container
  • Cylindrical Shape