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General Description
The UM5059 ESD protection diode is designed to replace multilayer varistors (MLVs) in portable
applications such as cell phones, notebook computers, and PDA’s. They feature large
cross-sectional area junctions for conducting high transient currents, offer desirable electrical
characteristics for board level protection, such as fast response time, lower operating voltage,
lower clamping voltage and no device degradation when compared to MLVs. The UM5059 ESD
protection diode protects sensitive semiconductor components from damage or upset due to
electrostatic discharge (ESD) and other voltage induced transient events. The UM5059 is
available in DFN2 1.0×0.6 (compatible with SOD923 & SOD882) package with working voltages
of 5 volt. It gives designer the flexibility to protect one unidirectional line in applications where
arrays are not practical. Additionally, it may be “sprinkled” around the board in applications
where board space is at a premium. It may be used to meet the ESD immunity requirements of
IEC 61000-4-2, ±30kV air, ±30kV contact discharge.
Applications Features
z Cell Phone Handsets and Accessories
z Personal Digital Assistants (PDA’s)
z Notebooks, Desktops and Servers
z Portable Instrumentation
z Cordless Phones
z Digital Cameras
z Peripherals
z MP3 Players
z Transient protection for data lines to
IEC 61000-4-2 (ESD) ±30kV (air), ±30kV
(contact)
z Small package for use in portable electronics
z Suitable replacement for MLV’s in ESD
protection applications
z Protect one I/O or power line
z Low clamping voltage
z Stand off voltage: 5V
z Low leakage current
z Solid-state silicon-avalanche technology
z Small Body Outline Dimensions:
1.0mm×0.6mm
一般描述
的um5059 ESD保护二极管是设计来取代多层变阻器(MLV)便携式
手机、笔记本电脑和PDA等应用程序的特点是
横截面结进行高瞬态电流,提供理想的电气
板级保护的特点,如响应时间快,工作电压低,
低钳位电压和器件的退化相比,MLV。的um5059 ESD
保护二极管保护敏感半导体元件不受损坏或不安
静电放电(ESD)和其他电压引起的瞬态事件。是的um5059
在1×0.6可用DFN2家系(与sod923和sod882兼容)工作电压包
5伏特。它给设计者的灵活性,以保护在应用程序中的单向线
数组不实用。此外,它可能是“洒”在应用板周围
董事会空间溢价。它可用于满足ESD免疫要求
IEC 61000-4-2,±30kv空气,±30kV的接触放电。
应用特点
手机及配件
个人数字助理(PDA)
笔记本电脑,台式机和服务器
Z便携式仪器
Z无绳电话
Z的数码相机
Z外设
Z的MP3播放器
数据线的暂态保护
IEC 61000-4-2(ESD)±30kv(空气),±30kv
(接触)
用于便携式电子设备的Z小型封装
Z在ESD的MLV的合适的替代
保护应用
保护一个输入/输出或电源线
低钳位电压
关闭电压:5V
低漏电流
固态硅雪崩技术
小外形外形尺寸:
1.0mm×0.6mm
UM5059
SOD-923
友联
2017
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