Protection circuit components like TVS diodes and snubbers safeguard power switching circuits from voltage spikes and transients.
A protection circuit in power switching applications consists of components such as Transient Voltage Suppression (TVS) diodes and snubber circuits designed to absorb and dissipate excess energy from voltage spikes, electromagnetic interference (EMI), and switching transients. These components protect sensitive semiconductor devices like MOSFETs and IGBTs from overvoltage conditions, ensuring circuit reliability and longevity by clamping voltage levels and reducing stress during switching operations.
诱因 → 失效模式 → 工程缓解
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TVS diodes provide fast clamping for voltage spikes via avalanche breakdown, while snubbers dampen oscillations and reduce switching stresses using RC/RCD networks.
Choose based on working voltage, clamping voltage, peak pulse power, and response time to match your circuit's maximum operating conditions and transient threats.
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