【应用】国产气体放电管(GDT)SC1812-90CSMD助力射频接口防护,结电容低至1pF
由于射频天线传输距离远,通常暴露于户外,因此极易因为雷击等原因引入过电压。在有强烈的浪涌能量出现时,造成信号误差、失真,甚至可以看到线路板焦糊的现象。因此防雷击保护成为 射频RF必须要考虑的。本文介绍基于硕凯气体放电管GDT SC1812-90CSMD的射频接口防护。
硕凯电子推荐防护方案电路:
方案说明:
使用器件型号:GDT,SC1812-90CSMD
方案可以通过测试等级:GB/T17626.5 中的10/700us 40ohm 4-6KV测试;GB/T17626.2 中的接触放电8KV和空气放电15KV的静电测试
方案特点和优势:采用SC1812-90CSMD,并联信号和地线之间,泄放大电流。
SC1812-90CSMD详细参数:
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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
目录- 公司简介 GDT陶瓷气体放电管 TVS瞬态抑制二极管 ESD静电保护元件 TSS半导体放电管 MLV贴片压敏电阻 高分子ESD MOV压敏电阻 SPG强效放电管 PPTC自恢复保险丝 贴片磁珠 贴片电感
型号- 40D271K,P4SMA16A,SMAJ6.0CA,SMAJ40CA,SC3E6-300MM,SC30 SERIES,30KPA170CA,SMF10CA,KD-012,SCF035-30-1206R,SC2E6-350LSMD,5.0SMDJ170A,SCF1210,8.0SMDJ24A,SC3E5-600LM,SMDJ78CA,RCF300-1812R,SC3E8-150HMF,KD-015,SCGB-H SERIES,KD-025,KD-020,SCGB1005-B SERIES,SCF1206,5.0SMDJ300CA,SC3E6-420MM,1.5SMC13CA,SMCJ14CA,P4SMA18A,TH8S15CA,SCPB4516S600WTF,5.0SMDJ85A,SC2E8-2500LL,P4SMA16CA,SC2E8-250HL,SMCJ100CA,SC2E8-1600LL,20KPA48CA,53D112K,34S210K/40,SMBJ300A,5KP30A,SMF120CA,SMBJ150CA,SMDJ170A,8.0SMDJ26A,SCPB1608S301NPF,SMAJ70A,P4SMA520A,53D681K,SCF050-24-1206R,3KP80CA,SMDJ58A,32D122K,SA48CA,SMCJ30A,SC2H8-5000LL,SCGB1608H200HPF,SCGB1608H301EPF,SA180A,SCPB1068W471LPF,SMF190A,SA22CA,SCF110-1812,P6KE8.2CA,SMAJ100A,SC250-600,8.0SMDJ20A,SCF160-16-1812R,P4KE180A,5.0SMDJ170CA,SC2E8-250ML,SA110CA,30KPA54CA,P4SMA82CA,SC3E5-230LM,SMF3.3A,SMDJ54A,30KPA198A,SMDJ160CA,3KP14CA,20KPA180A,SMBJ400CA,5KP 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SERIES,SC2E6-600LSMD,SC1812-420CSMD,P6SMB12A,TH8D20CA,SCF012-1206R,32D911K,P4SMA13A,SC2E6-420LSMD,P6KE180CA,P6SMB10A,SCGB2012S301HPF,SM6S15A,P4SMA47CA,SCML2012H2R2M05BP,P6SMB11A,KA-190,25D SERIES,P6SMB100CA,5.0SMDJ78CA,SC250-650,SCWL201610G-1R0ML,15KPA18CA,20D,P4KE400A,SCML2012H1R0MBE,SM6S18A,RCF160-1812,PXXXXTB SERIES,1.5KE10CA,SCF035-0805R,SCHB1608W241EPF,SC1206-90ASMD,34S850K/40,SMF60A,P4SMA15A,SCGB2012S102FPF,15KPA30A,SM6S17A,P6KE27CA,30KPA84A,SCB-141N,PXXXXEC,5KP33A,PXXXXEA,P6SMB82CA,PXXXXEB,15KPA180CA,SC2E8-150H,1.5SMC500CA,SC2E8-150M,5KP11CA,30KPA36CA,P4KE6.8CA,20KPA52CA,P6SMB47CA,1.5SMC250CA,SCHB1608-W SERIES,SCPB1005S100NPF,TH8S15A,SC3E5-75LSMD,P6SMB220CA,3KP140A,SC2E5-470L,SMDJ200CA,SMF70A,SMDJ190CA,15KPA24A,30KPA90A,1.5KE380CA,SC250-145T,3KP64A,P4KE20A,SMAJ48CA,SMBJ43CA,TPSMAJ SERIES,SCWL201610G-R47ML,53D 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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
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SC2E8 Series High Voltage 2-Electrode Gas Discharge Tube(GDT)
型号- SC2E8,SC2E8-6000LL,SC2E8-3000LL,SC2E8-5500L,SC2E8-3600L,SC2E8-3000L,SC2E8 SERIES,SC2E8-1600L,SC2E8-2500LL,SC2E8-5000LL,SC2E8-5500LL,SC2E8-2000LL,SC2E8-XXXLL,SC2E8-1600LL,SC2E8-6000L,SC2E8-4500L,SC2E8-2000L,SC2E8-2700L,SC2E8-1000LL,SC2E8-1000L,SC2E8-3500L,SC2E8-4500LL,SC2E8-5000L,SC2E8-1400L,SC2E8-1400LL,SC2E8-3600LL,SC2E8-XXXL,SC2E8-2700LL,SC2E8-3500LL,SC2E8-4000LL,SC2E8-2500L,SC2E8-4000L
【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
SC2E8 Series 2-Electrode Gas Discharge Tube (GDT)
型号- SC2E8-300ML,SC2E8-800M,SC2E8-XXXML,SC2E8-350HSMD,SC2E8-150ML,SC2E8-420MSMD,SC2E8-420H,SC2E8-800H,SC2E8 SERIES,SC2E8-420M,SC2E8-XXXHL,SC2E8-250H,SC2E8-75MSMD,SC2E8-230H,SC2E8-470MSMD,SC2E8-800MSMD,SC2E8-420HL,SC2E8-230HL,SC2E8-250M,SC2E8-250MSMD,SC2E8-470ML,SC2E8-800HL,SC2E8-600MSMD,SC2E8-420HSMD,SC2E8-300HL,SC2E8-XXXHSMD,SC2E8-75M,SC2E8-90MSMD,SC2E8-90ML,SC2E8-75H,SC2E8-350ML,SC2E8-230MSMD,SC2E8-350H,SC2E8-75ML,SC2E8-420ML,SC2E8-350M,SC2E8-150MSMD,SC2E8-XXXM,SC2E8-250ML,SC2E8-XXXH,SC2E8-800ML,SC2E8-90M,SC2E8-350HL,SC2E8-600HL,SC2E8,SC2E8-90H,SC2E8-75HSMD,SC2E8-230,SC2E8-800HSMD,SC2E8-600M,SC2E8-600H,SC2E8-470H,SC2E8-90HSMD,SC2E8-150HSMD,SC2E8-300MSMD,SC2E8-250HL,SC2E8-90HL,SC2E8-470M,SC2E8-230HSMD,SC2E8-600ML,SC2E8-75HL,SC2E8-350MSMD,SC2E8-150HL,SC2E8-300H,SC2E8-300M,SC2E8-470HL,SC2E8-300HSMD,SC2E8-XXXMSMD,SC2E8-150H,SC2E8-470HSMD,SC2E8-230ML,SC2E8-150M,SC2E8-250HSMD,SC2E8-600HSMD
【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
SC2E5 Series High Voltage 2-Electrode Gas Discharge Tube (GDT)
型号- SC2E5-1000D,SC2E5-2000DL,SC2E5-2500DL,SC2E5,SC2E5-XXXDL,SC2E5-1600DL,SC2E5-1600D,SC2E5-3000D,SC2E5-XXXXD,SC2E5-2700DL,SC2E5-3600DL,SC2E5-1000DL,SC2E5-3500D,SC2E5 SERIES,SC2E5-3600D,SC2E5-XXXD,SC2E5-2000D,SG2E5-4000D,SC2E5-4000DL,SC2E5-3000DL,SC2E5-2700D,SC2E5-XXXXDL,SC2E5-2500D
【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
SC2E5 Series 2-Electrode Gas Discharge Tube (GDT)
型号- SC2E5,SC2E5-420LL,SC2E5-75L,SC2E5-250LL,SC2E5-800L,SC2E5-230LL,SC2E5 SERIES,SC2E5-420L,SC2E5-300LI,SC2E5-600L,SC2E5-90LL,SC2E5-800LI,SC2E5-250L,SC2E5-230L,SC2E5-150LL,SC2E5-XXXLL,SC2E5-470L,SC2E5-75LL,SC2E5-470LL,SC2E5-600LL,SC2E5-90L,SC2E5-300L,SC2E5-150L,SC2E5-350LI,SC2E5-XXXL,SC2E5-350L
【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
【应用】基于国产GDT和TVS设计的DC24V电源防护设计方案,有效提高电源模块的可靠性等级
电源是电子产品中的重要模块,它是电子设备运行的能量来源,电源模块失效直接就可能导致电子设备的瘫痪。本文介绍的硕凯电子DC24V电源防护方案,其前级采用通流量大、体积小、无续流能力的贴片GDT,后级采用反应时间很快、残压较低的TVS管,此电源方案满足IEC61000-4-5、GBT17626.5等浪涌测试标准。
应用方案 发布时间 : 2019-04-18
【产品】表面贴装陶瓷气体放电管SC3E5系列,电容<1.5pF,为光伏储能设备提供高可靠和高浪涌通流
受雷雨天气的影响,光伏储能设备经常遭遇雷击受损,设备遭雷击损坏后,维修成本极高,硕凯电子推出的陶瓷气体放电管(GDT)SC3E5系列,它具备的超低电容有助于在通讯应用中保证高传输速度,提供了高可靠性和高浪涌通流,能对快速上升的瞬态电压迅速作出反应。
产品 发布时间 : 2023-10-11
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测试等级:空气放电30KV±5%;接触放电30KV±5%,适用标准:GB/T 17626.2、IEC61000-4-2、ISO10605、GB/T 19951;给用户产品出电路保护设计方案建议及整改。点击预约,支持到场/视频直播测试,资深专家全程指导。
实验室地址: 深圳/上海 提交需求>
测试1.2/50us-8/20us组合波,10/700us-5/320us组合波,8/20us单波。能够模拟雷电瞬变引起的浪涌冲击抗干扰测试,最高电压达20KV,电流达20KA。点击预约,支持到场/视频直播测试,资深专家全程指导。
实验室地址: 深圳/上海 提交需求>
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