WMSIC Electronic Components

CJ ESDBL5V0AH1

ModelESDBL5V0AH1
PackageDFNWB-2L(1.0x0.6)
BrandCJ
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
CJ ESDBL5V0AH1
Type
CJ
Minimum package
10000 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
CJ
Electronic Component
ESDBL5V0AH1
Electronic Component
1
Package
DFNWB-2L(1.0x0.6)
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.01g
Electronic Component
1
Cj- Capacitor
13pF
Electronic Component
BM0235664764
Voltage
7.2V
Electronic Component
IEC 61000-4-2
Current(Ir)
500nA
Voltage(VBR)
9.5V

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

ESDBL5V0AH1 产品概述

一、产品简介

ESDBL5V0AH1 是 CJ(江苏长电/长晶)推出的一款双向静电放电(ESD)保护器件,封装为 DFNWB-2L (1.0 × 0.6 mm),适用于 5V 等电压等级的接口与信号线防护。器件专为满足工业和消费电子设备对瞬态高能量电脉冲的防护需求而设计,能够在发生静电放电或其他脉冲瞬态事件时对被保护电路进行离散、快速的钳位,降低元件损坏风险。

二、主要电气参数

  • 极性:双向(双向对称保护)
  • 反向截止电压(Vrwm):5 V(建议用于 5V 系统)
  • 钳位电压(Vc):7.2 V(典型值,测量条件请参照具体数据手册)
  • 峰值脉冲电流(Ipp):6 A(10/1000 μs 或器件指定脉冲条件下)
  • 峰值脉冲功率(Ppp):60 W
  • 击穿电压(Vbr):9.5 V(器件击穿特性)
  • 反向电流(Ir):500 nA(在 Vrwm 条件下的泄漏电流)
  • 结电容(Cj):13 pF(对高速信号的影响需评估)
  • 防护等级:满足 IEC 61000-4-2 静电放电要求(具体等级请参考产品认证与数据手册)
  • 类型:ESD 保护器件
  • 品牌:CJ(江苏长电/长晶)
  • 封装:DFNWB-2L (1.0 × 0.6 mm)

三、主要特性与优势

  • 双向结构,可同时保护正负方向的静电脉冲,适合双向数据线与对称信号。
  • 低钳位电压(典型 7.2 V),能在瞬态发生时将电压控制在可接受范围内,减少后端元器件承受的应力。
  • 较高的峰值脉冲能量处理能力(Ipp 6 A,Ppp 60 W),适用于常见的人体模型(HBM)与接触/空气放电场景下的防护需求。
  • 小封装(1.0 × 0.6 mm),节省 PCB 面积,便于在空间受限的移动设备、便携终端或小型接口处布局。
  • 较小的静态泄漏电流(Ir 500 nA),对电源和高阻态电路影响较小。

四、典型应用场景

  • USB 2.0/串行总线、I2C、SPI 等接口的过电压/静电防护(注意:Cj=13 pF 对于严格的高速信号需评估)。
  • 手机、平板、笔记本等便携设备的外置接口(耳机孔、充电口、按键接口)防护。
  • 工业控制器与消费类电子的 I/O 口、按键、天线接口等。
  • 任何需要在 5 V 等电压等级保护下对抗静电冲击的低功耗系统。

五、使用建议与 PCB 布局要点

  • 器件应尽可能靠近被保护的连接器或接口放置,以最小化导线电感和路径长度,从而提高钳位效率。
  • 保护器件与地(或参考回路)之间应保证低阻抗回流路径,避免长回流路径造成的电压尖峰。
  • 对于差分或高速信号,需评估 13 pF 的结电容对信号完整性的影响;对于 USB2.0/低速接口通常可接受,但在 USB3.0 或更高带宽场景下可能引入失真或抖动。
  • 若受保护端口对上游有严格阻抗匹配要求,可在器件前端加入小阻值串联电阻以限制冲击电流并改善匹配(需权衡信号速率)。
  • 焊接与回流:遵循无铅回流曲线与厂方推荐的焊接工艺参数,避免过热或长时间加热导致封装性能劣化。
  • 采用合适的焊盘与阻焊设计,参考厂方提供的焊盘尺寸与 2D/3D 封装资料。

六、注意事项与选型提示

  • 虽然器件标称为“符合 IEC 61000-4-2”,但不同厂家/型号在不同测试等级(如 ±4 kV、±8 kV 接触/空气)下的表现会有差异,请在设计前查看完整数据手册并根据目标测试等级选择合适器件。
  • 对高带宽或高精度模拟信号线,建议先在实验中验证 13 pF 对频率响应的影响,必要时选择更低电容的 ESD 器件。
  • 如需要更高能量吸收或更低钳位电压,可考虑并联多级保护或使用组合型 TVS 结构,但需注意并联设备的动态匹配与热稳定性。
  • 最终应用中建议在产品样机阶段进行 ESD 和信号完整性测试,验证实际保护效果。

如需获取器件的详细 I-V、钳位曲线、回流焊工艺和 PCB 推荐焊盘,请参考 CJ 提供的 ESDBL5V0AH1 数据手册或联系供应商获取完整技术资料。

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