Products
Circuit Protection device
Overvoltage protection devices
ESD Protection
TVS Diodes
Varistors
Gas Discharge Tubes (GDT)
Protection Thyristors（TSS）
Diac Diodes
surge absorber（SPG）
Overcurrent protective device
fuses
Resettable Fuse (PPTC)
NTC
Protect modules/components
Miniature lightning protection module
Automotive electronic DC12V, 24V power supply protection module
Composite DC power protection module
RJ45 connector of Lightning protection
Discrete Device
MOSFET
Schottky
Diode Rectifiers
Zener Diodes
Small Signal Switching Diodes
Bipolar Junction Transistors
Fast Recovery Rectifiers
Super Fast Recovery Rectifiers
Rectifier bridge
ICs
Transceiver
Linear Regulators
Passive Components
Magnetic Products
Magnetic Ring
Magnetic Bead
Common Mode Inductor
Differential Mode Inductor
High Speed Common Mode Filter
SMD Pulse Transformer
Solid-State Relays (SSR)
DC Solid-State Relay
Surge Protective Device SPDs
SPD
Custom Products
Wafer
lightning protection circuit boards
Application
Protection for power ports
Protection for VBUS ≤5V power ports
Protection for DC12V power ports
Protection for DC24V power ports
Protection for DC36V power ports
Protection for DC48V power ports
Protection For PoE ports
Protection for AC36V power ports
Protection for AC110V power ports
Protection for AC220V power ports
Protection for AC380V 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 Antenna ports
Protetion for MIPI Ports
Protetion for eDP ports
Protetion for LVDS ports
Protetion for UART ports
Protetion for VGA ports
Protetion for DVI ports
Protetion for SD Card ports
Protetion for SIM Card ports
Protetion for I^2C ports
Protetion for GMSL ports
Protetion for Audio ports
Protetion for GPIO ports
Protetion for xDSL ports
Protetion for Key Pad ports
Protetion for Touch Pad ports
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Technical services
Sample
Information
Company news
Video Library
Technical Article
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Contact Us
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Products
Circuit Protection device
Overvoltage protection devices
ESD Protection
TVS Diodes
Varistors
Gas Discharge Tubes (GDT)
Protection Thyristors（TSS）
Diac Diodes
surge absorber（SPG）
Overcurrent protective device
fuses
Resettable Fuse (PPTC)
NTC
Protect modules/components
Miniature lightning protection module
Automotive electronic DC12V, 24V power supply protection module
Composite DC power protection module
RJ45 connector of Lightning protection
Discrete Device
MOSFET
Schottky
Diode Rectifiers
Zener Diodes
Small Signal Switching Diodes
Bipolar Junction Transistors
Fast Recovery Rectifiers
Super Fast Recovery Rectifiers
Rectifier bridge
ICs
Transceiver
Linear Regulators
Passive Components
Magnetic Products
Magnetic Ring
Magnetic Bead
Common Mode Inductor
Differential Mode Inductor
High Speed Common Mode Filter
SMD Pulse Transformer
Solid-State Relays (SSR)
DC Solid-State Relay
Surge Protective Device SPDs
SPD
Custom Products
Wafer
lightning protection circuit boards
Application
Protection for power ports
Protection for VBUS ≤5V power ports
Protection for DC12V power ports
Protection for DC24V power ports
Protection for DC36V power ports
Protection for DC48V power ports
Protection For PoE ports
Protection for AC36V power ports
Protection for AC110V power ports
Protection for AC220V power ports
Protection for AC380V 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 Antenna ports
Protetion for MIPI Ports
Protetion for eDP ports
Protetion for LVDS ports
Protetion for UART ports
Protetion for VGA ports
Protetion for DVI ports
Protetion for SD Card ports
Protetion for SIM Card ports
Protetion for I^2C ports
Protetion for GMSL ports
Protetion for Audio ports
Protetion for GPIO ports
Protetion for xDSL ports
Protetion for Key Pad ports
Protetion for Touch Pad ports
Product consultation
Technical services
Sample
Information
Company news
Video Library
Technical Article
About Us
Contact Us
About unsemi
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2025.Dec.22
UN Product Overview & EMC Lab introduction
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Circuit Protection device
Discrete Device
ICs
Passive Components
Application
Protection for power ports
protection for Data signal ports
Product consultation
Technical services
Sample
Information
Company news
Technical Article
About Us
Contact Us
About unsemi
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