1. Product Overview In high-interference environments such as automotive electronics, power tools, and smart appliances, EMC requirements are increasingly stringent. Traditional EMI suppression methods face limitations in response time, surge ...
In high-interference environments such as automotive electronics, power tools, and smart appliances, EMC requirements are increasingly stringent. Traditional EMI suppression methods face limitations in response time, surge capacity, and integration.
The EMC composite varistor-capacitor filter integrates a Metal Oxide Varistor (MOV) and a Multilayer Ceramic Capacitor (MLCC) into one package, offering both surge protection and high-frequency filtering for enhanced electromagnetic compatibility.
MOV: Exhibits high impedance during normal operation; instantly conducts and clamps surge voltages upon overvoltage detection.
MLCC: Suppresses EMI noise and smooths high-frequency disturbances across a wide frequency range.
Modular Design: Supports SMD or through-hole configurations, ensuring flexible layout and robust performance.
|
Application Field |
Description |
|
Automotive Motors |
Wiper, window, seat motors in high-EMI automotive zones |
|
Power Tools/Home |
Power drills, dryers, vacuums facing surge and arc noise |
|
Industrial/Comm. |
PLC, PoE, adapters requiring signal integrity protection |
|
Parameter |
Value |
|
Working Voltage |
12V–48V |
|
Clamping Voltage |
≤ 80V |
|
Response Time |
< 25ns |
|
Filtering Range |
1–100 MHz |
|
Replace Capacitors |
Replaces 2–5 MLCCs |
|
Application Type |
Recommended Package |
Notes |
|
Compact Devices |
SMD 0603 / 0805 |
Ideal for space-constrained designs |
|
Mid-Power Systems |
SMD 1210 / 1812 |
Better surge and filtering performance |
|
Automotive/Heavy |
DIP / Custom |
High surge robustness |
All-in-one protection and filtering design
Reduces component count and PCB footprint
Supports flexible mounting: SMD/DIP
Helps meet EMC certification (RE/CE/CTE)
Automotive and industrial-grade versions available
The EMC Composite Varistor-Capacitor Filter delivers a compact, robust, and highly effective EMI mitigation solution. Its integrated design is the ideal choice for engineers seeking reliability, efficiency, and simplified layout in motor control, automotive, and power systems.
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