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IGBT Snubber capacitor 684K 630VDC for protect IGBT devices

  • Series:Snubber capacitor
  • Features: small loss, small internal temperature rise, high-quality flame retardancy
  • Main application: suitable for high frequency, high voltage, high current
    Snubber capacitors specially designed for IGBTs
  • Manufacturer: XUANSN

Description

Snubber capacitor 684K are double-sided metallized polypropylene film capacitors used in power conversion applications requiring stable capacitance and low dissipation factor to handle high voltage, high dV/dt and high ripple current.

An IGBT snubber capacitor is a type of capacitor that is used in a snubber circuit to protect Insulated Gate Bipolar Transistor (IGBT) devices from voltage transients and overvoltage events.

IGBTs are widely used in applications such as motor drives, power supplies, and renewable energy systems, and they can be susceptible to damage from voltage spikes and ringing caused by inductive loads and other factors. IGBT snubber capacitors are used to reduce high-frequency noise and ringing in the circuit, which can cause voltage transients that may damage the IGBT.

IGBT snubber capacitors are typically designed to have a low equivalent series resistance (ESR), which helps to improve their high-frequency noise filtering capabilities, and a high voltage rating, which enables them to withstand the high voltages that can occur in the circuit. These capacitors may also have a low inductance to reduce ringing in the circuit.

The value of the snubber capacitor used in an IGBT snubber circuit depends on the specific application and the voltage and current ratings of the IGBTs. The snubber capacitor is typically connected in parallel with the IGBT device, between the collector and emitter terminals.

Overall, IGBT snubber capacitors are important components in IGBT snubber circuits, helping to protect IGBT devices from voltage transients and overvoltage events, which can improve the reliability and performance of the overall circuit.

Snubber capacitor 684K Typical Applications:

IGBT snubber capacitors are commonly used in applications where IGBTs are used and there is a risk of voltage transients and overvoltage events. Some common applications of IGBT snubber capacitors include:

  1. Motor drives: IGBTs are frequently used in motor drives to control the speed and torque of electric motors. Snubber capacitors can be used to protect the IGBTs from the voltage spikes that can be generated by the motor windings.
  2. Power supplies: IGBTs are also used in power supplies to convert AC power to DC power. Snubber capacitors can be used to protect the IGBTs from the high voltages that can be generated by the rectifier circuit.
  3. Renewable energy systems: IGBTs are used in renewable energy systems such as wind turbines and solar inverters. Snubber capacitors can be used to protect the IGBTs from the voltage spikes that can be generated by the fluctuating power generated by these systems.

Snubber capacitor 684K-Specifications

Reference Standard GB/T 17702 (IEC 61071)
Climatic Category 40/110/56/B
Maximum Permissible Case TEMP (Tcase) -40℃~110℃
Application IGBT Snubbers
Capacitance 1.2uf
Rated Voltage 630VDC
Capacitance Tolerance ± 5% (J)、± 10% (K)
Construction (Plastic or Metal) Radial boxed and terminals direct mounting
Leads It has a tinned brass lug direct IGBT mounting
Packaging Packed in cardboard trays with protection for the terminals
Industry Lighting products, Home electronics, Automotive electronics

C(uf) W±1.0 H±1.0 T±1.0 dv/dt(v/us) ESR@100KHz(mΩ) Ls(nH) I max 100KHz@70℃(A)
1.2 37 30 16 950 4.3 21 16

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