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Protection device
Overvoltage protection devices
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surge absorber（SPG）
Surge protection module (SPM)
RJ45 connector
SPD
Overcurrent protective device
fuses
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High speed common mode filter
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Wafer
lightning protection circuit boards
Application
Protection for power ports
Protetion for DC48V power ports
Protetion for DC24V power ports
Protetion for DC12V power ports
Protetion for DC5V power ports
Protetion for DC3.3V power ports
Protetion for DC1.5V power ports
Protetion for AC110V power ports
Protetion for AC220V power ports
Protetion for AC380V power ports
Protetion for AC36V power ports
protection for Data signal ports
Protection for RJ45 ports
Protction for USB ports
Protection for HDMI ports
protection for serial communication ports
Protection for I/O ports
Protection for Type-C Ports
Protetion for RF communication Ports
Protetion for VGA ports
Protetion for BNC ports
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Products
Protection device
Protection device
Discrete Device
ICs
Passive Components
Custom Products
Overvoltage protection devices
Overvoltage protection devices
Overcurrent protective device
Varistors
ESD Protection
TVS Diodes
Varistors
Gas Discharge Tubes (GDT)
Protection Thyristors（TSS）
Diac Diodes
surge absorber（SPG）
Surge protection module (SPM)
RJ45 connector
SPD
Leaded
Leaded
TMOV
MLV
SMT
Leaded
Leaded varistors, a very widely used overvoltage protection device.
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Protection device
Discrete Device
ICs
Passive Components
Custom Products
Application
Protection for power ports
protection for Data signal ports
Product consultation
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Sample
Information
Company news
About Us
About unsemi
Contact Us
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