【经验】国产气体放电管pin-pin替代Brightking（君耀）公司4532-351-LF，更小的直流击穿电压容差

时间： 2019-05-18 来源：硕凯电子（SOCAY）

技术问答

为防止电信通讯设备（如：电话机、移动电话、调制解调器、传真机、数据通信设备等）因裸露在室外的线路直接遭受雷击或感应雷击浪涌电流导致电信通讯设备内敏感电子器件被打死或烧毁，一般需要加气体放电管做一级防雷保护设计，市场上有选用BRIGHTKING（君耀）公司4532-351-LF气体放电管做保护设计，不过因供货周期和价格压力，很多客户会选择一款低成本、供货周期好的替代方案，本文重点推荐国产硕凯电子的SC1812-350CSMD可pin-pin替代BRIGHTKING （君耀）公司4532-351-LF ，典型电性参数对比参考如下图1所示。

图1：硕凯电子气体放电管SC1812-350CSMD 与BRIGHTKING（君耀）公司4532-351-LF典型电性参数对照表

通过如上图示易知：

国产硕凯电子气体放电管SC1812-350CSMD与BRIGHTKING（君耀）4532-351-LF两者电性参数基本一致，不过，国产硕凯电子的气体放电管SC1812-350CSMD具有±20%更小的直流击穿电压容差，具有更高的下限直流击穿电压和更低的上限的直流击穿电压，当被保护的线路或设备出现雷击浪涌电压时可更快速的响应，产品的安全可靠性更高；同时，最大脉冲通流量可达3KA，具有承受更高的峰值脉冲电流的能力。

硕凯电子气体放电管SC1812-350CSMD与BRIGHTKING（君耀）4532-351-LF两者的封装尺寸示意图，参考如下图2所示。

图2：硕凯电子气体放电管SC1812-350CSMD 与BRIGHTKING（君耀）公司4532-351-LF封装尺寸示意图

除去上面介绍的技术优势外，国产硕凯电子的气体放电管SC1812-350CSMD还有以下竞争优势：

1、更好的供货周期，可快速支持样品和后续量产服务；

2、更低的成本，相比BRIGHTKING（君耀）公司的4532-351-LF至少可降低10%。

如果您感兴趣记得收藏和点赞哦，感谢！有问题可以留言或到技术难题版块提问哦。

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为实现低成本高性能pin-pin替代BRIGHTKING（君耀）公司4532-301-LF气体放电管，推荐选用国产硕凯电子的SC1812-300CSMD，两者电性参数基本一致，不过，国产硕凯电子的气体放电管SC1812-300CSMD具有±20%更小的直流击穿电压容差，具有更高的下限直流击穿电压和更低的上限的直流击穿电压，当被保护的线路或设备出现雷击浪涌电压时可更快速的响应，产品的安全可靠性更高。

设计经验发布时间 : 2019-05-13

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【选型】硕凯电子（Socay）电路保护器件（GDT/TVS/ESD/TSS/MOV/MLV/PPTC/SPG）选型指南

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选型指南 - 硕凯电子 - Ver Feb.2019 - Feb.2019 PDF 中文下载

硕凯电子（Socay）GDT陶瓷气体放电管选型指南

目录- Surface Mount 2-Electrode Gas Discharge Tube 2-Electrode Gas Discharge Tube High Voltage 2-Electrode Gas Discharge Tube 3-Electrode Gas Discharge Tube Switching Spark Gap

型号- UN3E8-150HP,UN3E8-150HM,UN2E8-150M,UN2E6-75LSMD,UN2E5-350L,UN1210-400BSMD,UN2E8-230HL,UN2E5-600LL,UN2E8-2000L,UN2E8-420HSMD,UN3E5-420L,UN3E8-90HP,UN3E8-90HM,UN3E5,UN3E6,UN2E5-470LSMD,UN3E8-600H,UN2K8-400SMD,UN3E8,UN2E8-250MSMD,UN3E6-350M,UN3E5-75LSMD,UN2E6-300LSMD,UN3E8-420HMF,UN2E8-300HSMD,UN2E5-230L,UN3E5-75LM,UN3E8-75HM,UN2K8-300L,UN3E8-75HP,UN2E8-300H,UN3E8-75H,UN2K8-600SMD,UN2E8-150H,UN2K8-450,UN2E8-300M,UN2E8-250HSMD,UN3E6-230M,UN2E5-470LL,UN2E8-150HSMD,UN2E6-150LSMD,UN2E5-350LSMD,UN1812-600CSMD,UN2E5-600LSMD,UN2E5-1600DL,UN3E5-150L,UN2K8-XXXSMD,UN2E8-420H,UN2E5-2500DL,UN3E6-XXXM,UN2E8-800H,UN3E6-XXXL,UN2E5-90L,UN2E8-420M,UN3E5-75L,UN2K8-800SMD-1,UN1206-400ASMD+,UN2E6-400LSMD,UN2E8-800M,UN3E8-230H,UN2H8-XXXLL,UN2E5-XXXL,UN3E6-150MM,UN2E8-75MSMD,UN2E5-3500D,UN2E5-250LL,UN2E8-150MSMD,UN2E8-800ML,UN2E5-XXXD,UN2E5-470L,UN3E8-90HMF,UN1206-470ASMD,UN2E8-XXXM/HL,UN3E5-300L,UN2K8-800L,UN2E8-75ML,UN2E8-2500L,UN1210-150BSMD,UN2E8-150ML,UN3E6-470M,UN2E8-90ML,UN2E8-1000L,UN2E8-470MSMD,UN3E5-470LM,UN2E8-800MSMD,UN2E8-1000LL,UN2E5-1000DL,UN3E6-XXXMM,UN2E8-800HL,UN2E8-420HL,UN2H8-4000LL,UN1812-470CSMD,UN3E8-350HMF,UN3E8-XXXHM,UN1210-470BSMD,UN2E6-350LSMD,UN2E5-1000D,UN2E8-470H,UN2E5-230LL,UN2K8-230SMD,UN2E8-470HSMD,UN2E8-2000LL,UN2E5-1600D,UN2E8-2500LL,UN2E8-250M,UN3E5-150LM,UN3E6-XXXLM,UN3E8-75HMF,UN3E8-XXXHP,UN2E8-470HL,UN2E5-90LSMD,UN1812-200CSMD,UN3E8-250HM,UN2E8-230ML,UN3E8-300HMF,UN3E5-XXXLSMD,UN2E5-2700D,UN3E8-250HP,UN2E5-230LSMD,UN2E8-75HSMD,UN2E8-2700L,UN3E5-350LSMD,UN3E5-420LM,UN3E6-250M,UN2K8-800,UN3E5-250LSMD,UN2K8-450L,UN2E5-XXXDL,UN2K8-600L-1,UN1206-230ASMD,UN2E8-3000LL,UN2K8-600-1,UN3E5-600LM,UN2E5-600L,UN3E6-75M,UN2H8-6000L,UN2E5-300LL,UN2E8-230HSMD,UN2E8-250H,UN2E8-300HL,UN2H8-4500LL,UN2K8-600SMD-1,UN3E8-230HMF,UN3E6-150M,UN2E8-90M,UN3E5-150LSMD,UN3E6-420MM,UN3E8-600HM,UN2E8-90H,UN2E8-230MSMD,UN3E8-600HP,UN2E8-800HSMD,UN2E8-420MSMD,UN3E5-250L,UN1210-420BSMD,UN1812-300CSMD,UN2E5-350LL,UN2E8-3500LL,UN1210-230BSMD,UN2K8-350,UN2K8-230,UN2E8-350HL,UN3E6-250MM,UN2E6-SMD,UN3E6-420M,UN2E5-150LSMD,UN3E5-300LSMD,UN1812-400CSMD,UN3E5-350L,UN2K8-500SMD,UN2E5-800LL,UN3E8-90H,UN2E6-600LSMD,UN2E8-90MSMD,UN3E5-XXXLM,UN2K8-230L,UN2E5-800L,UN3E8-470HM,UN2E8-600H,UN3E8-300HP,UN2E8-90HL,UN3E8-470HP,UN2E8-470ML,UN3E8-300HM,UN2E8-600M,UN3E6-75MM,UN3E6-470MM,UN2K8-500,UN3E6-300M,UN3E8-350HM,UN3E8-350HP,UN2E5-2000D,UN3E8-XXXHMF,UN3E5-470L,UN3E5-XXXL,UN1206-420ASMD,UN2K8-600L,UN1812-230CSMD,UN3E8-600HMF,UN2E8-600HSMD,UN3E6-300MM,UN2E5-300L,UN2K8-300SMD,UN2E5-400LL,UN2E8-300ML,UN3E5-250LM,UN2E8-XXXM/HSMD,UN2E8-350ML,UN2E8-600ML,UN1206-150ASMD,UN1812-350CSMD,UN3E8-420HP,UN2E8-350M,UN2K8-XXXL,UN1812-90CSMD,UN2H8-5000L,UN3E6-350MM,UN3E8-420HM,UN2E8-250HL,UN2E8-XXXLL,UN2E5-90LL,UN2K8-500L,UN3E5-600L,UN2E8-600MSMD,UN3E5-420LSMD,UN2E8-1600L,UN2K8-350SMD-2,UN2H8-5000LL,UN2K8-350SMD-1,UN2E8-230M,UN3E6-90MM,UN3E6-600MM,UN3E8-800H,UN2E8-230H,UN3E8-420H,UN2K8-600,UN2E6-90LSMD,UN2E5-75L,UN3E5-90L,UN2E8-XXXL,UN2E8-90HSMD,UN2H8-5500L,UN2K8-450SMD,UN2E8-470M,UN3E5-230L,UN3E5-230LSMD,UN2K8-350L,UN2E5-2700DL,UN2H8-5500LL,UN2E5-75LL,UN3E8-800HMF,UN2E5-SMD,UN1206,UN2E8-XXXML,UN3E8-300H,UN1210,UN3E8-150H,UN2E8-350H,UN2E5-400LSMD,UN1206-200ASMD,UN2K8-800L-1,UN3E5-300LM,UN2K8-350SMD,UN2E5-2000DL,UN3E8-470H,UN2E5-400L,UN2E8-350HSMD,UN1206-350ASMD,UN2K8-300,UN2K8-XXX,UN2E5-250L,UN2E8-3000L,UN3E8-XXXH,UN2E6-470LSMD,UN2E8-600HL,UN3E5-350LM,UN3E8-800HP,UN2E8-350MSMD,UN1812-150CSMD,UN2E8-2700LL,UN3E5-90LSMD,UN3E8-250HMF,UN2H8,UN2E5-3000D,UN3E6-230MM,UN2E5-3500DL,UN3E8-350H,UN2E5-XXXLL,UN2H8-6000LL,UN3E8-150HMF,UN2E5-150L,UN1206-400ASMD,UN1210-350BSMD,UN2E8-3500L,UN3E6-600M,UN3E8-800HM,UN2E6-230LSMD,UN3E5-470LSMD,UN2E5-200LSMD,UN2K8-800SMD,UN1812,UN3E5-90LM,UN2E8-XXXM/H,UN2E5-150LL,UN1812-400CSMD+,UN2K8-350L-2,UN2K8-350-2,UN2H8-4500L,UN1210-300BSMD,UN2E8-75M,UN2E5,UN2E8-300MSMD,UN2K8-350L-1,UN3E8-250H,UN2K8-400,UN2E8-XXXHL,UN2E8-75H,UN2E8-1600LL,UN2E8,UN2E8-150HL,UN2K8-350-1,UN1206-300ASMD,UN3E5-230LM,UN2E5-3000DL,UN3E8-470HMF,UN2E8-420ML,UN3E6-90M,UN2E5-300LSMD,UN2E8-75HL,UN3E5-600LSMD,UN2K8-800-1,UN2H8-4000L,UN1210-200BSMD,UN2E5-2500D,UN2H8-XXXL,UN2K8-400L,UN2E8-250ML,UN3E8-230HP,UN3E8-230HM

选型指南 - 硕凯电子 - 2019/3/14 PDF 英文下载

J5GxxxM3SF Gas Discharge Tube

型号- J5G231M3SF,J5G421M3SF,J5G471M3SF,J5G091M3SF,J5G151M3SF,J5GXXXM3SF,J5G601M3SF

数据手册 - 捷捷微电 - Rev.1.2 - 2024/9/23 PDF 英文下载查看更多版本

【选型】防雷保护电路中气体放电管4532-091-LF的备选方案，国产GDT气体放电管实际放电电流达3KA

在防雷保护电路中，气体放电管GDT通常应用于第一级，起泄放雷电暂态过电流和限制过电压作用。市场上有很多客户选用君耀电子的气体放电管4532-091-LF，不过因供货周期和价格压力，很多客户会选择一款低成本、供货周期好的替代方案，本文重点推荐硕凯电子的SC1812-90CSMD可完美替代4532-091-LF，同时体积更小，成本降低10%。

器件选型发布时间 : 2019-05-03

【产品】国产双极气体放电管SC2E6-SMD系列，直流击穿电压75V~600V

SC2E6-SMD系列是硕凯电子推出的超低电容的双极气体放电管（GDT），用于电源系统的输入口以及与压敏电阻和电信线路的连接点。产品应用广泛，如移动电话基站，带有中继器和分配系统的有线电视网络（CATV），AC电力传输系统，DSL调制解调器，WLAN路由器，空调设备等。

新产品发布时间 : 2020-12-21

J20GxxxM2LC Gas Discharge Tube

型号- J20G091M2LC,J20GXXXM2LC,J20G471M2LC,J20G231M2LC,J20G601M2LC

数据手册 - 捷捷微电 - Rev.1.3 - 2024/9/24 PDF 英文下载查看更多版本

J3GxxxM2SJ GasDischarge Tube

型号- J3G401M2SJ,J3G091M2SJ,J3GXXXM2SJ,J3G801M2SJ,J3G102M2SJ

数据手册 - 捷捷微电 - Rev.1.0 - 21-Aug.-2017 PDF 英文下载

【选型】国产气体放电管pin-pin替代Brightking（君耀）2RL090M-6，成本至少降10%

为实现低成本高性能pin-pin替代BRIGHTKING（君耀）公司2RL090M-6气体放电管，推荐选用国产硕凯电子的SC2E5-90LSMD，两者电性参数基本一致，不过，国产硕凯电子的气体放电管SC2E5-90LSMD具有650V更低的最大脉冲击穿电压，响应时间更快，产品对的故障安全保护能力更强。同时，具有更小的封装体积（5.0mm x 5.0mm x 4.2mm），方形放置牢固，更容易上锡。

器件选型发布时间 : 2019-05-10

J5G091M3SF Gas Discharge Tube

型号- J5G091M3SF

数据手册 - 捷捷微电 - Rev.1.3 - 14-Sep.-2024 PDF 英文下载

【产品】国产三极气体放电管SC3E8系列，直流放电电压为75V~800V，电容最大仅1.5pF

硕凯电子SC3E8系列三极气体放电管（GDT），具有低插入损耗和超低电容的特点，瞬态性能出色，适合于电源系统的输入以及压敏电阻和电信线路的连接点。SC3E8系列的直流放电电压为75V~800V，绝缘电阻高达1GΩ，电容最大仅1.5pF。

新产品发布时间 : 2020-12-29

【选型】气体放电管2RL600M-6的低成本国产替代方案SC2E5-600LSMD，体积更小，方形放置更牢固，更易上锡

为实现低成本高性能pin-pin替代BRIGHTKING（君耀）公司2RL600M-6气体放电管，推荐选用国产硕凯电子的SC2E5-600LSMD，两者电性参数基本一致，不过，国产硕凯电子的气体放电管SC2E5-600LSMD具有更小的封装体积（5.0mm x 5.0mm x 4.2mm），方形放置牢固，更容易上锡。

器件选型发布时间 : 2019-05-14