Damping Absorption Snubber Capacitor

Product Name:	Damping Absorption Snubber Capacitor
Short Description:	1. Innovative damping absorption capacitors are designed and manufactured by CRE 2. CRE is the leader in film capacitor design and manufacturing. 3. If you require unique damping absorption capacitor specifications, head over to our design center for a customized capacitor.
Capacitance range:	0.33μF ±5%
Rated voltage：	3400V.AC
Cap.tol：	-40℃_85℃

Damping Absorption Snubber Capacitors

Purpose: Primarily used to suppress voltage and current overshoots that can occur during switching operations in power electronic circuits.
How Damping Absorption Snubber Capacitor work:
- Voltage and Current Overshoots: When a switch in a power electronic circuit turns off, the sudden change in circuit conditions can lead to rapid voltage and current transients.
- Snubber Circuit: A snubber circuit, typically consisting of a resistor and a capacitor, is connected in parallel with the switching device.
- Damping Action: The capacitor absorbs the energy associated with the overshoot, effectively “damping” the transient and preventing excessive voltage or current spikes.
- Absorption: The capacitor absorbs the energy and then gradually releases it, preventing it from damaging the switching device.
Key Characteristics Damping Absorption Snubber Capacitor:
- Low ESR: Low Equivalent Series Resistance is critical for efficient energy absorption and minimal power losses.
- High Voltage Rating: Must be able to withstand the peak voltages that occur during switching transients.
- Fast Response: Must respond quickly to the rapid changes in voltage and current.
Applications:
- Power Electronics: Widely used in power electronic circuits such as inverters, converters, and motor drives to protect switching devices like IGBTs, MOSFETs, and thyristors.
- High-Voltage Applications: Employed in high-voltage applications where switching transients can be more severe.
Benefits:
- Reduced Switching Losses: Minimizes power losses associated with switching operations.
- Improved Reliability: Protects switching devices from damage, extending their lifespan.
- Reduced EMI/RFI: Reduces electromagnetic interference (EMI) and radio frequency interference (RFI) generated by switching transients.
- Improved Efficiency: By reducing switching losses, snubber circuits can contribute to improved overall system efficiency.