WMSIC Electronic Components

Leiditech JEB05D5

ModelJEB05D5
PackageSOD-523
BrandLeiditech
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Leiditech JEB05D5
Type
LEIDITECH
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
LEIDITECH
Electronic Component
JEB05D5
Electronic Component
1
Package
SOD-523
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.021g
Electronic Component
1
Cj- Capacitor
15pF
Electronic Component
BM0257609370
Voltage
12V;9V
Electronic Component
IEC 61000-4-4;IEC 61000-4-5;IEC 61000-4-2
Current(Ir)
1uA
Voltage(VBR)
5.5V
Electronic Component
Electronic Component

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

JEB05D5 产品概述

一、概述

JEB05D5 是由 Leiditech(雷卯电子)推出的一款小体积高效静电/浪涌保护器件,封装为 SOD-523,专为 5V 类低压数字系统与接口保护设计。器件满足 IEC 61000-4-2(ESD)、IEC 61000-4-4(EFT)及 IEC 61000-4-5(浪涌)等工业级抗扰度标准,能够在受静电放电与电源瞬态冲击时为敏感电路提供可靠钳位保护。

二、主要电气参数

  • 反向截止电压 Vrwm:5 V(适用于 5V 供电系统的钳位门限)
  • 击穿电压(典型):5.5 V
  • 钳位电压(典型):约 9 V / 12 V(随测试条件和脉冲电流不同而变化)
  • 峰值脉冲功率 Ppp:100 W @ 8/20 μs(抗浪涌能力)
  • 反向漏电流 Ir:1 μA(低泄漏,适合电池供电与低功耗系统)
  • 结电容 Cj:15 pF(低电容,适合高速信号线)
  • 类型:ESD/瞬态电压抑制(TVS)
  • 封装:SOD-523(超小型、表面贴装)

三、工作原理与典型连接

JEB05D5 在正常工作电压下呈高阻状态,只有在输入端出现超出 Vrwm 的高压瞬态时(例如静电放电或浪涌脉冲),器件迅速进入导电状态,将过压钳制至安全电平并将能量导向地线,从而保护下游芯片和器件。SOD-523 为双端面贴装结构,通常按封装标识将器件的阴极连接到保护线,阳极接地(单向配置适用于 5V 电源线保护);双向版本亦可用于信号线的双向保护,根据实际器件标注选择接法。

四、典型应用场景

  • USB、UART、I2C、SPI 等 5V 接口的过压与静电保护
  • 智能手机配件、IoT 终端、消费电子的小体积 EMI/ESD 防护
  • 摄像头模块、传感器模块及低功耗电池供电模块的输入保护
  • 工业控制端口与通信接口的浪涌及电快速瞬变(EFT)防护

五、PCB 布局与使用建议

  • 将 TVS 器件尽量靠近受保护的接口/连接器布置,布线短而粗以减小串联电感与阻抗。
  • 器件地线应单点或短回路连接到系统地,以利于能量快速回流并降低共模干扰。
  • 对高速差分信号线,注意结电容(15 pF)带来的影响;若对信号完整性要求极高,请评估是否满足要求或采用更低电容方案。
  • 在高能量浪涌场景下,可配合串联阻抗元件(如小电感、保护电阻)和滤波网络共同使用,提高系统整体抗扰性。
  • SOD-523 适用于回流焊工艺,注意参考供应商的回流温度曲线和工艺规范。

六、选型与注意事项

  • Vrwm=5 V 与击穿 5.5 V 使 JEB05D5 非常适合 5V 供电系统,但在 3.3V 或更高总线电压场景下需确认安全裕量。
  • 钳位电压随脉冲幅值、波形和方向而变化,文中提供的 9V / 12V 为典型范围,设计时应基于实际浪涌电流和被保护器件耐压选择合适型号。
  • 低漏电 1 μA 适合电池供电设备,但在超低功耗场景仍需评估总体泄漏预算。
  • 若保护高速数据信号(USB3.x、HDMI 等),需综合考虑结电容及频率特性,必要时选用专为高速线设计的超低电容 TVS。

如需器件数据手册(电压-电流特性曲线、钳位电压对应测试条件、封装尺寸图与回流曲线)或样片信息,可联系 Leiditech(雷卯电子)或其授权分销商获取详细技术资料。

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