WMSIC Electronic Components

JJW SRV05-4A SRV05

ModelSRV05-4A
PackageSOT-23-6
BrandJJW
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
JJW SRV05-4A
Type
JJW
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
JJW
Electronic Component
SRV05-4A
Electronic Component
1
Package
SOT-23-6
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0g
Electronic Component
1
Voltage
6V
Electronic Component
BM0264488832
Voltage
15V
Electronic Component
Electronic Component
Electronic Component
3000
Current(Ipp)
5A
Voltage(Vrwm)
5V

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

SRV05-4A 静电放电保护器件产品概述

一、产品基本定位与身份

SRV05-4A是捷捷微(JJW)推出的一款小型化表面贴装静电放电(ESD)保护器件,专为敏感电子电路的瞬态过压防护设计。该器件采用SOT-23-6封装,体积紧凑,适配高密度PCB布局需求,广泛应用于消费电子、通信、工业控制等领域的信号接口防护,核心作用是快速泄放静电脉冲,避免后级敏感元件(如IC、传感器)被过压损坏。

二、核心电气特性解析

SRV05-4A的关键电气参数明确了其防护能力边界,具体如下:

  1. 反向截止电压(Vrwm):5V,指器件在反向偏置状态下可长期稳定工作的最大电压,此时器件处于截止状态,不影响正常电路信号传输,避免静态干扰;
  2. 击穿电压(Vbr):典型值6V,是器件在反向偏置下开始导通的电压阈值,当静电脉冲电压超过该值时,器件快速从截止态切换为导通态,启动泄放机制;
  3. 钳位电压(Vc):峰值脉冲下15V,即ESD脉冲冲击时,器件将后级电路电压钳位至的最大安全值,有效限制敏感元件的过压应力,避免击穿或性能退化;
  4. 峰值脉冲电流(Ipp):5A(8/20μs波形),对应IEC 61000-4-2标准的ESD脉冲测试,器件可承受的最大瞬态放电电流,满足多数民用/工业场景的静电防护需求;
  5. 温度特性:工作温度范围-40℃85℃(工业级通用范围),存储温度-55℃125℃,适配不同环境下的长期可靠运行。

三、典型应用场景

SRV05-4A的防护能力匹配多类电子设备的静电风险场景,常见应用包括:

  1. 消费电子接口:智能手机、平板电脑的USB Type-C、耳机孔、SIM卡槽等插拔式接口,频繁插拔易积累静电,需快速泄放防护;
  2. 通信设备端口:路由器、交换机的以太网RJ45接口、射频(RF)信号端口,避免静电干扰导致数据传输错误或模块损坏;
  3. 工业控制模块:PLC(可编程逻辑控制器)的数字输入输出端口、传感器信号接口,工业环境中静电放电可能引发设备误动作;
  4. 小型医疗仪器:便携式血糖仪、血压计的信号输入端口,静电防护需满足医疗设备的可靠性要求;
  5. 车载通用接口:车载信息娱乐系统的USB接口、按键输入端口,适配车内常规温度与湿度环境。

四、封装与可靠性设计

  1. 封装规格:采用SOT-23-6封装,尺寸约1.6mm×2.9mm×1.1mm,引脚间距0.95mm,适合自动化贴装,可有效节省PCB空间,适配小型化产品设计;
  2. 合规性:符合RoHS 2.0及REACH标准,采用无铅焊料,适配现代电子制造工艺,满足环保要求;
  3. 可靠性测试:经过IEC 61000-4-2 Level 4级ESD测试(接触放电±8kV、空气放电±15kV),多次脉冲冲击后无参数漂移;湿度敏感度等级为Level 1,无需干燥存储,降低生产与仓储成本。

五、使用注意事项

  1. 布局建议:器件应尽量靠近被保护电路的输入端口安装,减少引线电感,提升瞬态防护响应速度(引线电感会削弱钳位效果);
  2. 极性识别:注意反向截止电压的极性,避免接反导致器件提前导通或失效(需参考 datasheet 引脚定义);
  3. 电流扩容:若需更高脉冲电流防护(如超过5A),可采用多个器件并联,但需确保各器件参数一致性(如Vbr、Vc偏差≤5%);
  4. 降额使用:实际工作电压建议控制在Vrwm的80%以内(即≤4V),延长器件使用寿命,避免长期高应力运行导致性能衰减。

SRV05-4A凭借紧凑封装、明确的防护参数及广泛的适配性,成为中低端电子设备信号接口ESD防护的实用选择,适合对成本敏感且需基础静电防护的应用场景。

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