Snubber Capacitors

IGBT snubber capacitors are essential components in high-power electronic circuits, particularly where Insulated Gate Bipolar Transistors (IGBTs) are employed. These capacitors are designed to mitigate voltage spikes and surges caused by parasitic inductance during switching operations. By providing an alternative path for current flow during rapid transitions, they protect IGBTs from potential damage, thereby enhancing the reliability and performance of the overall circuit.

 
 

Energy Absorption: IGBT snubber capacitors effectively absorb energy generated by parasitic inductance during switching, minimizing the risk of voltage spikes.

Voltage Overshoot Reduction: These capacitors play a crucial role in reducing voltage overshoots, ensuring that the IGBT operates within safe voltage limits.

Minimization of Ringing Effects: By dampening oscillations, they help to minimize ringing effects, which can otherwise lead to inefficiencies and potential damage in the circuit.

Enhanced Switching Performance: By providing a smoother transition during switching, snubber capacitors improve the overall switching performance of IGBTs.

Applications: Motor Controls, Inverters, Power Supplies, Renewable Energy Systems, Industrial Automations, etc.

 
 
 
 

IGBT Snubber Capacitors
Range: 0.022 MFD to 10 MFD 50/60Hz. 630V DC to 2500V DC

 
 
 

Applications

  • Motor Controls
  • Inverters
  • Power Supplies
  • Renewable Energy Systems
  • Industrial Automations
  • etc.
  •  

    Main Features

  • Ideal for applications involving high voltage and high frequency circuits.
  • Constructed using double-sided metallized polyester. Low equivalent series resistance (ESR) and equivalent series inductance (ESL).
  • Self-healing capability.
  • Durable with a low intrinsic temperature rise.
  • Encapsulated with white resin, featuring tinned copper lugs for secure screw mounting.
  • Non-inductive design.
  • High dV/dt performance.
  •  

    Technical Specifications

    Capacitance Range

    0.022 MFD to 10 MFD

    Capacitance Tolerance

    ±5%, ±10%

    Rated Voltage

    630V DC to 2500V DC

    Rated Frequency

    50/60Hz

    Dissi. Factor (Tan δ)

    ≤0.0015(100Hz)

    Climatic Category

    -40°C to +85°C

    Case

    Plastic

    Construction

    Metallized Polypropylene Film

    Encapsulation

    Polyurethane Resin (PP-Dry & Oil Filled)

    Installation

    Any Position

    Terminals

    M6/M8 Male & M6 Female terminals

    Mounting

    M12 of aluminium case at the bottom

    Reference Standards

    IEC 61071