【应用】符合IEC 61000-4-5 Surge的AC36V电源端口浪涌&过压防护解决方案
AC36V电源广泛使用在工矿、船舶等LED电源,使用的环境恶劣,设备易遭受气候环境的影响而导致击雷击浪涌及过过压等损坏。此方案前端采用大通流压敏电阻串放电管泄放雷击、浪涌大电流,后级采用稍小功率等级的压敏电阻做二次防护,降低后端的残压。
本文推荐陶瓷气体放电管与压敏电阻串联搭配使用,可以延长压敏电阻的使用寿命及降低压敏电阻的漏电流,且后端的残压较单级防护降低很多。具体使用产品是1颗优恩半导体压敏电阻10D121K、2颗优恩半导体陶瓷气体放电管UN2E5-90LL、3颗优恩半导体压敏电阻14D121K,方案符合IEC 61000-4-5 Surge要求。
替代选项:
其他解决方案:
·AC220V-浪涌防护&过压防护
其他优恩半导体解决产品:
SMDJ60CA、UN2E6-90LSMD、UN2E8-90ML、20D121K
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【技术】解析MOV压敏电阻的两大电路防护作用
压敏电阻中电阻的材料为半导体,因此压敏电阻其实也属于一种半导体电阻器。MOV压敏电阻作为一种防护器件,你知道它在电路中发挥着什么样的作用吗?现在本文优恩半导体就带你了解MOV压敏电阻的两大电路防护作用。
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【元件】UN3E3-XXXLSMD系列全方型外观结构的陶瓷气体放电管,更好用于通信、电力系统、医疗设备与工业等领域
优恩半导体UN3E3-XXXLSMD系列陶瓷气体放电管在设计采用了全方型的外观结构,这种设计不仅使得放电管在外观上更加美观大方,它在实际应用中也带来了诸多优势,如更便捷的安装与布局、更优化的电气性能、更高的稳定性,使其可以更好的应用于通信、电力系统、医疗设备与工业等领域。
产品 发布时间 : 2024-05-16
【技术】解析压敏电阻的生产过程
压敏电阻是一种具有特殊性质的电阻器件,它可以在电压变化时产生电阻值的变化,从而起到保护电路的作用。其特殊的电阻性质决定了它具有抗静电、耐高温和高电压等特点,因此在电子、通信、汽车等领域得到了广泛应用。本文优恩半导体介绍压敏电阻的生产过程。
技术探讨 发布时间 : 2023-04-11
【经验】GDT放电管与MOV压敏电阻串联使用时是否导通在前?
GDT放电管与压敏电阻两个器件串联时,通常小容量的分压较高,大容量的分压较小,MOV压敏电阻的寄生电容是陶瓷气体放电管的百倍,因此绝大部分的电压会给到放电管,放电管导通之后,再施加到压敏电阻上,此时压敏电阻就会导通。
设计经验 发布时间 : 2022-12-04
14D Series Radial Lead Varistor (MOV)
型号- 14D181K,14D,14D102KJ,14D270K,14D391K,14D330KJ,14D560KJ,14D270KJ,14D821K,14D221KJ,14D470KJ,14D681KJ,14D122K,14D391KJ,14D182KJ,14D102K,14D162K,14D142K,14D121KJ,14D142KJ,14D112KJ,14D390K,14D180L,14D821KJ,14D241KJ,14D820K,14D101K,14D331K,14D561K,14-D-XXX-K-X-X-X-X,14D511KJ,14D751K,14D121K,14D301KJ,14DXXXK,14D101KJ,14D331KJ,14D621KJ,14D561KJ,14D271KJ,14D431KJ,14D201KJ,14D220KJ,14D471KJ,14D621K,14D680KJ,14D751KJ,14D221K,14D112K,14D390KJ,14D560K,14D431K,14D681K,14D162KJ,14D201K,14D471K,14D181KJ,14D241K,14D122KJ,14D330K,14D271K,14D182K,14D361KJ,14D SERIES,14D781KJ,14D820KJ,14D511K,14D911K,14D180LJ,14D911KJ,14D781K,14D151KJ,14D680K,14D470K,14D301K,14D151K,14D361K,14D220K
ESD0402-0603 Series MULTILAYER CHIP VARISTORS
型号- ESD0402-5R5E500,ESD0402-140E330,ESD0402-5R5E100,ESD0402-5R5E220,ESD0603 SERIES,ESD0402-120E5R0,ESD0402-120E131,ESD0402-5R5E481,ESD0402,ESD0603,ESD0603-140E330,ESD0402-240E2R5,ESD0603-180E0R2,ESD0402-9R0E181,ESD0402-5R5E0R2,ESD0402-140E161,ESD0402-180E150,ESD0402 SERIES,ESD0603-240E2R5,ESD0603-180E0R8,ESD0603-180E5R0,ESD0402-5R5E0R8,ESD0603-5R5E220,ESD-0603-5R5-E-0R2,ESD0603-5R5E100,ESD0402-120E101,ESD0603-5R5E500
【技术】TVS管被击穿后的失效模式有哪些?
TVS(瞬态抑制二极管)可有效防护电路遭受瞬态浪涌电压及电流的危害。但它一旦被击穿,可能出现的现象一般有哪些?今天优恩半导体来为大家讲解。GDT放电管、TSS放电管、压敏电阻等电子元件是现如今在电子电路防护中用的比较多的几种过压保护器件,其应用领域十分广泛。
技术探讨 发布时间 : 2023-03-23
【经验】解析深井地震探测设备雷击浪涌多极GDT陶瓷放电管与TVS管组合整改案例
本文介绍了优恩半导体雷击浪涌GDT陶瓷放电管与TVS管组合整改案例。案例问题描述的客户产品为深井地震探测仪,设备分为井下传感器、电源供电及通讯接口和井上地面设备数据采集器两部分,中间通过一根多芯铠装电缆承载,多芯线缆包括模拟信号、数字信号、供电和RS485信号。
设计经验 发布时间 : 2022-04-03
电子商城
现货市场
服务
加工精度:精密平面磨床正负0.002;铣床正负0.02,ZNC放电正负0.01。CNC加工材料:铝、钢、聚合物等材料。专注于半导体行业、医疗器械、汽车行业、新能源行业、信息技术行业零部件加工。
最小起订量: 1个 提交需求>
可定制UV胶的粘度范围:150~25000cps,粘接材料:金属,塑料PCB,玻璃,陶瓷等;固化方式:UV固化;双固化,产品通过ISO9001:2008及ISO14000等认证。
最小起订量: 1支 提交需求>
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