WMSIC Electronic Components

KUU SRV05-4

ModelSRV05-4
PackageSOT-23-6
BrandKUU
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
KUU SRV05-4
Type
KUU
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
KUU
Electronic Component
SRV05-4
Electronic Component
1
Package
SOT-23-6
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.036g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
0.4pF;0.8pF
Electronic Component
BM0264873485
Operating Temperature
55℃~+150℃
Voltage
28V
Electronic Component
IEC 61000-4-2
Current(Ir)
1uA

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

SRV05-4 ESD防护器件产品概述

一、产品定位与核心价值

SRV05-4是KUU品牌推出的四路集成ESD防护器件,专为低电压敏感电路的静电放电(ESD)防护设计。其核心优势在于:在提供强抗静电能力的同时,通过低结电容设计避免对高速信号传输的干扰,且小体积封装适配各类小型化设备,是消费电子、工业控制、通信等领域接口防护的优选方案。

二、关键参数解析

2.1 电压与电流防护能力

  • 反向截止电压(Vrwm)5V:保证器件在正常工作电压≤5V的电路中处于截止状态,无额外漏电流损耗;
  • 击穿电压(Vbr)6V:典型触发电压,当电路遭遇静电冲击时,器件快速导通,阻断过压向敏感元件传递;
  • 钳位电压(Vc)28V:浪涌峰值电流下的电压限制值,有效将过压抑制在后端元件耐受范围外(如CMOS芯片通常耐受≤20V,但28V可覆盖一般浪涌的峰值限制);
  • 峰值脉冲电流(Ipp)5A:支持8/20μs标准浪涌波形的最大防护电流,单次脉冲功率可达150W,应对强静电冲击(如人体接触放电的典型峰值电流);
  • 反向漏电流(Ir)1μA:低漏电流特性,不影响电路静态功耗与信号完整性,适合低功耗设备。

2.2 信号兼容性设计

  • 结电容(Cj)0.4pF/0.8pF:两路低电容(0.4pF)适配高速差分信号(如USB 3.0、HDMI 2.0),另外两路0.8pF满足一般高速接口(如RS485)需求,避免信号衰减或相位失真。

2.3 环境适应性

  • 工作温度范围-55℃~+150℃:覆盖工业级与部分汽车级应用场景,耐受极端温度变化(如户外工业传感器、车载中控);
  • 四路独立通道:可同时防护多组信号(如数据总线+电源引脚),简化电路设计,减少元件数量。

三、封装与可靠性设计

SRV05-4采用SOT-23-6封装,尺寸紧凑(约2.9×1.6×1.1mm),适配贴片式自动化生产,降低设备空间占用。引脚布局优化了热传导与信号路径,焊接可靠性符合JEDEC标准;宽温范围设计结合高可靠性硅材料,确保在长期恶劣环境下(如工业现场的高低温、湿度变化)稳定工作,无性能衰减。

四、典型应用场景

  1. 消费电子:手机、平板、笔记本电脑的USB、HDMI、音频接口防护,避免用户插拔时的静电损坏(如充电口、耳机孔);
  2. 工业控制:PLC、传感器、工业相机的通信接口(如RS485、CAN总线)防护,应对工业现场的静电干扰(如设备启停、人员操作);
  3. 通信设备:路由器、交换机、基站的高速数据端口防护,保障信号传输稳定性(如光纤收发器、以太网口);
  4. 汽车电子:车载信息系统(如中控屏、导航)的接口防护,适应车载环境的温度(-40℃~85℃)与振动变化。

五、符合标准与认证

SRV05-4严格遵循IEC 61000-4-2静电放电防护标准,通过接触放电±8kV、空气放电±15kV的测试(对应标准等级4,最高防护等级),可有效抑制人体静电、设备间静电放电对敏感电路的冲击;同时兼容JEDEC JESD22-A114等行业通用ESD测试规范,满足各类终端产品的认证需求(如CE、FCC)。

六、选型与应用注意事项

  1. 工作电压匹配:确保电路正常工作电压≤5V,避免器件提前导通,影响电路功能;
  2. 布局优化:安装时尽量靠近被防护接口(如连接器引脚),减少寄生电感对防护效果的影响(寄生电感会导致钳位电压升高);
  3. 焊接规范:采用回流焊工艺,焊接温度≤260℃(SOT-23-6封装标准),焊接时间≤30s,避免高温损坏器件;
  4. 多次脉冲降额:若需应对重复浪涌(如频繁插拔接口),需参考 datasheet 进行降额设计(如将峰值电流降额至3A),避免器件疲劳损坏。

SRV05-4以“强防护+低干扰+小体积”的特性,解决了低电压敏感电路的ESD防护痛点,是各类电子设备接口防护的高性价比选择。

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