Find the right technical resources and application path from either a known component family or a circuit task. This hub establishes the research direction; exact part selection must return to the manufacturer’s current datasheet and target-system validation.
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MLVMultilayer Varistor
Board-level ESD, short-pulse and compact overvoltage control.
View resourcesSMD MOVSurface-Mount Varistor
Confirm construction first, then compare pulse, package, mounting and thermal conditions.
View resourcesTH MOVThrough-Hole Varistor
Power-entry and higher-energy surge control.
View resourcesTVS Diodes vs. MOV
Compare protection roles, selection conditions and verification points.
Read comparisonGDTGas Discharge Tube
High-insulation and higher-discharge-capability applications.
Guide in preparationNTCThermistor
Inrush-current limiting, temperature sensing and compensation.
Guide in preparationX/Y Safety Capacitors
Mains EMI suppression and safety-class boundaries.
Guide in preparationChoose by circuit task
ESD & Fast Transients
Low-voltage signals, board power rails and capacitance-sensitive interfaces.
02Surge & Overvoltage
Power inputs, DC buses, inductive loads and coordinated protection.
03Temperature & Inrush
Startup current, temperature sensing, compensation and thermal response.
04Mains EMI & Safety
Across-line, line-to-earth positions and safety-class boundaries.