UN Semiconductor优恩半导体公司专注于ESD静电保护、雷击浪涌保护器件及串口晶片的设计，研发和销售，并向客户提供完整的解决方案和测试整改等技术服务。

UN Semiconductor优恩半导体公司主要产品有：ESD静电二极体（ESD）、瞬态抑制二极体（TVS）、陶瓷气体放电管（GDT）、半导体放电管（TSS）、玻璃放电管（SPG）、压敏电阻（MOV）、贴片压敏电阻（MLV）、自恢復保险丝（PPTC）、 熔断保险丝、RS485通讯晶片、RS232通讯晶片、CAN通讯晶片、电源保护模组、信号保护模组、防雷型RJ45网路连接器、高速静噪虑波器，磁珠、高压整流二极体、小信号肖特基二极体、小信号开关二极体、稳压二极体、MOS管、，双极型电晶体、电源管理晶片、电源隔离模组，信号隔离模组等等，产品广泛应用于通讯、安防、电源、汽车、家电、消费类、医疗类、车用电子、工业控制、新能源（风能、太阳能）及航太航空业等领域。

UN Semiconductor优恩半导体设有专业的EMC测试中心，免费为客户提供测试、方案设计与整改及技术支持。

UN semiconductor focus on on the design, R&D and sales of ESD electrostatic protection, lightning surge protection devices and transceivers, we provide complete solutions, testing &rectification services and etc.

Our main products include : ESD (Electrostatic discharge protection device), TVS ( transient voltage suppressors), GDT( gas discharge tube , TSS ( thyristor ), SPG ( spark gap protectors), MOV( metal oxide varistor), MLV (multilayer chip varistor) PPTC( resettable fuse) Blown fuse, RS485 Transceivers, RS232 Transceivers, CAN Transceivers, power protection module , signal protection module, lightning protection RJ45 network connector, high speed common-mode filter, magnetic beads, high-voltage rectifier diode, small signal Schottky diode, small signal switching diode, Zener diode, MOSFET, Bipolar transistors, power management chips, power isolation modules, signal isolation modules and etc, which are widely used in communications, security, power supply, automotive, solar energy, home appliances, consumer,medical, automotive electronics, industrial control, new energy (wind energy, solar energy) and aerospace industry and other fields.

UN semiconductor build a professional EMC testing center to provide customers with free technical support on testing , solution designing and rectification.