【选型】硕凯TVS SMCJ30CA和气体放电管SC3E5-90LSMD为24V电源端口提供浪涌防护方案

时间： 2022-12-10 来源：世强

代理服务

技术支持

采购服务

客户产品为24V供电，电源端口需通过雷击浪涌测试，一级使用气体放电管，二级用TVS，中间用电感退耦和PPTC，硕凯可以提供浪涌防护方案并且可以为客户进行整改。

常见浪涌防护方案如下：

一级防护使用气体放电管推荐硕凯SC3E5-90LSMD参数如下：

1、直流击穿电压（100V/S）：90V

2、最大脉冲击穿电压（1KV/us）：600V

3、最小绝缘电阻（at 50V）：1GΩ

4、通流量（8/20uS ±5 times）：5KA

5、最大极间电容（1MHz）：1.5pF

二级防护使用TVS使用硕凯SMCJ30CA参数如下：

1．工作电压30V；

2．击穿电压33.3V~36.8V；

3．工作温度-55 to +150°C；

4．峰值功率1500W；

产品优势：

1. 硕凯90V气体放电管和30V TVS可以满足客户线路防护要求；

2. 硕凯原厂可以提供EMC测试以及相关整改方案；

3. 性价比高，交期短

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2024-12-09 - 产品代理服务技术支持采购服务

DC24V电源端口浪涌保护

DC24V电源端口浪涌保护DC24V电源是一种为设备提供稳定、可靠的直流电压输出的电源，其广泛应用于工业自动化控制系统。此方案设计为多级保护的方式，初级采用通流能力较强的陶瓷气体放电管和压敏电阻组合来承受泻放大的浪涌电流，中间使用电感做退耦，次级选用响应电压精准、稳定且快速的TVS管做保护，能有效抑制各类浪涌过电压，使后端的DC芯片及电路得到全面的保护。

2024-01-24 - 应用方案代理服务技术支持采购服务

硕凯电子瞬态抑制二极管选型表

TVS(瞬态抑制二极管)，半导体材质，用于浪涌和静电防护，在小浪涌防护中广泛使用，速度快，封装小，残压低

选型表 - 硕凯电子立即选型

硕凯陶瓷气体放电管SC2E5-150LL在电流互感器二次侧过压防护的应用

采用陶瓷气体放电管作为电流互感器二次侧过电压保护器的电压采样器件,其优越性在实际的应用中已经得到验证。在实际的应用中,使用了陶瓷气体放电管的电流互感器二次侧过电压保护器能够有效地减少漏电空开跳闸和产品自身发热烧毁现象,对于电流互感器一次侧经常会出现的一些瞬态的电压尖峰现象,也能够有效的滤除,不会出现经常误动作的现象。

2024-10-25 - 应用方案代理服务技术支持采购服务

【应用】硕凯电子690V气体放电管和ESD防护二极管用于百兆网口，可以提供EMC测试和整改方案

汽车视频监控单元会用有一颗百兆网口，网口需要进行静电及浪涌防护，需求两颗ESD二极管和一颗气体放电管完成线路，硕凯可以提供浪涌防护方案并且可以为客户进行整改。

2022-12-24 - 应用方案代理服务技术支持采购服务

SC2E8系列双电极气体放电管（GDT）

描述- 本资料介绍了SC2E8系列二电极气体放电管（GDT）的特性和应用。该系列GDT用于保护电信、CATV网络、移动电话基站等设备的电子电路，具有高绝缘电阻、快速响应瞬态、低电容等特点。

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

July 1, 2024 - 硕凯电子 - 数据手册 - Revision July 1, 2024 代理服务技术支持采购服务

【经验】直流电源端口防雷电路退耦器件该怎么选？

在日常直流电源端口防雷电路设计时，一般遵循“多级防护，逐级消减”的原则，但由于采用不同的防护器件，其击穿电压、响应时间等参数不同，因此电路中通常需要增加退耦器件。本文将结合国产硕凯电子的防护器件讨论直流电源端口防雷电路退耦器件该怎么选？

2021-02-02 - 设计经验代理服务技术支持采购服务

SW 系列气体放电管

描述- 本资料介绍了SW系列气体放电管（GDT）的产品特性、技术参数和应用领域。SW系列GDT是一种用于过电压保护的开关型器件，具有快速响应、高通流、低电容和高绝缘等特点。产品适用于宽带装置、有线电视和卫星设备、基站和天线、XDSL、路由器、数据端口、电源与射频系统以及消费类电子产品等领域。

型号- SW351Y - SMD,SW421Y - SMD,SW401Y - SMD,SW201Y - SMD,SW091Y - SMD,SW231Y - SMD,SW301Y - SMD,SW601Y - SMD,SW 系列,SW151Y - SMD,SW601Y-SMD,SW801Y - SMD,SW075Y - SMD,SW471Y - SMD

2024/1/30 - 赛尔特 - 数据手册 - V1.0 代理服务技术支持采购服务