【应用】玻璃放电管UNB-141N协同压敏电阻14D471K共同为AC220V电源端口提供浪涌&绝缘耐压测试
方案描述:
电源线缆极易遭受气候环境和电网上其他设备的影响而导致雷击浪涌及过压等损坏,故电源端口雷击浪涌防护要求是严酷全面的,此方案差模采用大通流压敏电阻泄放雷击、浪涌大电流,共模电感并玻璃放电管以提升共模浪涌承受能力,保护安规Y电容。
解决方案内容:
2颗 UN Semiconductor 玻璃放电管:UNB-141N
1颗 UN Semiconductor 压敏电阻:14D471K
符合要求:
IEC 61000-4-5 Surge
IEC 61007-1994 绝缘耐压测试
替代选项:
其他解决方案: AC220V-浪涌防护&过压防护
其他UN Semiconductor解决产品:UNB-201M、20D471K、14D511K
优点:
此方案能有效的解决传统AC220电源共模防护加放电管后打绝缘耐压测试时的麻烦,在不加共模放电管和压敏电阻的前提下也能满足最高等级的共模浪涌测试,又能最大限度的降低成本要求。
以上方案仅供参考,如欲了解更多详情可咨询世强技术专家。
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本文由Batman转载自优恩半导体,原文标题为:AC220V电源端口浪涌&绝缘耐压测试解决方案,本站所有转载文章系出于传递更多信息之目的,且明确注明来源,不希望被转载的媒体或个人可与我们联系,我们将立即进行删除处理。
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技术探讨 发布时间 : 2022-10-14
【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
【元件】优恩半导体推出的贴片式玻璃放电管UNA-141NSMD,直流击穿电压140V,电容值1PF
玻璃放电管,简称SPG,它分为插件式玻璃放电管与贴片式玻璃放电管两类,优恩半导体以UNA-141NSMD玻璃放电管为例,给大家讲解一下贴片式玻璃放电管的命名规则及参数。
产品 发布时间 : 2023-11-17
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
【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
电子商城
服务
可定制显示屏的尺寸0.96”~15.6”,分辨率80*160~3840*2160,TN/IPS视角,支持RGB、MCU、SPI、MIPI、LVDS、HDMI接口,配套定制玻璃、背光、FPCA/PCBA。
最小起订量: 1000 提交需求>
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>
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