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Circuit

Protection 

Components

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Established in 1977, the Yageo Corporation has become 
the world's leading total service provider of passive 
components with capabilities on a global scale, including 
production and sales facilities in Asia, Europe and the 
Americas. Yageo has a strong global footprint 37 sales/
service offices in 17 countries, 11 manufacturing sites, 6 
JIT logistic hubs and 6 R&D centers worldwide.

The corporation provides one-stop-shopping, offering its 
complete product portfolio of resistors, capacitors and 
wireless components to meet the diverse requirements 
of customers. 

Yageo’s broad product offerings are targeting at key 
vertical markets, including applications for consumer 
electronics, computers & peripherals, industrial/power, 
alternative energy, telecommunication and automotive. 
We serve diversified leading global customers, such as 
EMS, ODM, OEM and distributors. 

About Yageo

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TVS (Transient Voltage Suppressors)

TVS has fast response speed to against overvoltage spikes. It has low dynamic internal resistance and excellent 
clamping capability. Yageo offers different packages in TVS products and the working voltage of TVS diodes 
are from 3.3 to 600V(and can be even higher). TVS diodes are used in unidirectional or bidirectional of data 
transmission lines in electronic circuits.

Applications

•  DC power supply  •  Security surveillance  •  Telecom  •  Automotive

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ESD (Electrostatic Discharge Protection Devices)

ESD is also known as TVS array. It has excellent clamping capability and low capacitance (under 1pF) which can 

meet the quality requirement of application in high speed data interface. Yageo provides high design flexibility 
for capacitance, configuration, and pulse load capability in ESD solutions for the usage in different applications. 

Applications

•  High speed networking  •  Smart phone  •  Industrial  •  Consumer 

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MOV (Metal Oxide Varistors)

MOV has fast response speed to against overvoltage spikes and good surge energy absorption capability. It is 
usually used in lightning surge protection in the input of AC power lines.

Applications

•  AC power supply  •  Telecom  •  Circuit breaker  •  Consumer  •  SPD (Surge Protection Devices)
•  LED driver  •  Smart meter

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GDT (Gas Discharge Tubes)

GDT is a good solution for surge protection. The insulation resistance of GDT is over 1GΩ, which achieves low 

degradation speed and high reliability. Yageo offers different packages including SMD and DIP type GDT.  GDT 
with two-electrode, three- electrode are both available. 

Applications

•  Telecom  •  High speed networking (e.g. coaxial cable, Ethernet connection)  •  Industrial  •  Power Supply

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SPG (SPark Gap Protectors)

SPG has low junction capacitance (< 2pF) which can meet the quality requirement of application in 

telecommunication. SPG has faster response speed (GDT ≤ 100nS, SPG ≤ 1nS) than GDT.  Yageo offers SPG 

products in both SMD and DIP type package for different application requirements.

Applications

•  Power supply  •  Telecom  •  Safety surveillance  •  Industrial

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PPTC (Polymeric Positive Temperature Coefficient Thermistor)

PPTC is also known as resettable fuse. It has very low resistance under normal working status, no impact on 
the working circuit. The response speed of PPTC is from few dozen ms to few seconds level. It is proportional 
to the current value. Yageo provides SMD (case size: 0603 ~ 2920) and DIP package types for the usage in 
different applications.

Applications

•  Industrial  •  Smart meter  •  Measuring instrument  •  Telecom

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TSS (Thyristor Surge Suppressors)

TSS has fast response speed and excellent clamping capability to against overvoltage spikes. Low leak current 
(in mA~100μA level) and junction capacitance (in 10~100pF level) features can meet the quality requirement in 
data transmission and low power consumption circuits. Yageo offers various packages in SMD and DIP types for 
different application requirements.

Applications

•  Telecom  
•  Industrial
•  Smart meter  
•  Security surveillance

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NTC (Negative Temperature Coefficient Thermistor)

Yageo NTC products have excellent thermal cycle endurance and provide high capability of surge current 
protection. Yageo offers radial leaded NTC in diameter from 5mm to 25mm. 

Applications

•  Switch mode power supply  •  UPS  •  Transformer  •  Home appliance

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MEMO

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Date of release: Oct. 2018

Document order number: YL 100 00166

For a complete listing of all Yageo sales 

offices, distributors, and representatives, 

please visit "contact us" at 

www.yageo.com

© YAGEO Corporation

All rights are reserved. Reproduction in whole or in part is prohibited 

without the prior written consent of the copyright owner.
The information presented in this document does not form part of any 

quotation or contract, is believed to be accurate and reliable and may be 

changed without notice.
No liability will be accepted by the publisher for any consequence of its use. 
Publication thereof does not convey nor imply any license under patent or 

other industrial or intellectual property rights.

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