WMSIC Electronic Components

ST ESDZL5-1F4 ESD Diode ESDZL5

ModelESDZL5-1F4
Package0201
BrandST
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
ST(STMicroelectronics) ESDZL5-1F4
Type
ST
Minimum package
15000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ST(STMicroelectronics)
Electronic Component
ESDZL5-1F4
Electronic Component
1
Package
0201
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.01g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
7.5pF
Electronic Component
BM0228727551
Operating Temperature
55℃~+150℃
Voltage
10V
Electronic Component
IEC 61000-4-2

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

ESDZL5-1F4 产品概述

一、产品简介

ESDZL5-1F4 是意法半导体(ST)推出的一款单向 TVS 二极管,采用极小 0201 封装,专为高速、超密度电子产品提供静电放电(ESD)保护。器件在标准 8/20µs 冲击下可承受高达 7A 的峰值脉冲电流,峰值脉冲功率 Ppp 为 60W,适合对空间和封装尺寸有严格要求但又需高可靠性防护的场合。

二、主要参数

  • 极性:单向(unidirectional)
  • 反向截止电压 Vrwm:5.5 V
  • 标称箝位电压(典型):10 V
  • 峰值脉冲电流 Ipp:7 A @ 8/20µs
  • 峰值脉冲功率 Ppp:60 W
  • 反向漏电流 Ir:100 nA(常温、典型条件)
  • 通道数:单路
  • 工作结温度范围:-55 ℃ ~ +150 ℃ (Tj)
  • 符合防护标准:IEC 61000-4-2(ESD)
  • 结电容 Cj:7.5 pF
  • 封装:0201(极小 SMD)
  • 品牌:ST(意法半导体)
  • 器件类型:TVS 二极管,型号 ESDZL5-1F4

三、主要特点与优势

  • 极小封装(0201):适配极高 PCB 布局密度与微型化产品(耳机、智能穿戴、手机子板等)。
  • 低结电容(7.5 pF):对高速数据线和射频路径影响小,保持信号完整性。
  • 低漏电流(100 nA):适合对静态功耗敏感的电路,减少待机功耗影响。
  • 高抗冲击能力:7 A/8/20µs 与 60 W 的瞬态能力能有效吸收常见的接触和空气放电脉冲。
  • 工作温度范围宽,可满足工业级应用环境。

四、典型应用场景

  • USB、HDMI、I2C、UART、SPI 等高速接口的输入/输出端口保护
  • 耳机、蓝牙、可穿戴设备、智能手机子模块等微型化终端的 ESD 防护
  • 摄像头模组、传感器接口、天线与射频前端保护(需考虑单向特性)
  • 任何需在空间受限处提供 IEC 61000-4-2 级别 ESD 防护的场合

五、封装与布局建议

  • 建议将器件靠近 ESD 入侵点(连接器或按键)放置,焊盘到器件引脚保持最短走线。
  • 提供直接的低阻抗回流路径到地平面;若可能,器件地端附近放置过孔直通地平面以降低回路阻抗。
  • 对高速信号线,若需进一步控制带宽,可与小电阻串联,但需平衡信号完整性与保护性。
  • 0201 封装对焊接工艺敏感,按照制造商推荐的回流曲线和贴装注意事项执行。

六、使用与限制注意事项

  • 单向型设计在反向极性条件下工作;不适用于要求双向钳位的差分或交流信号(除非电路本身已限定极性)。
  • 尽管 Ppp 标称为 60W,但重复冲击或高频次大能量脉冲会降低器件寿命,应在系统层面降低重复冲击能量。
  • 在选择型号用于射频极高频场合时,请根据具体频率评估 7.5 pF 对带宽的影响。

七、可靠性与测试

  • 器件满足 IEC 61000-4-2 ESD 防护要求,能通过接触和空气放电测试(参考厂方数据手册以获得具体等级与测试条件)。
  • 推荐在实际产品设计中进行整机级的 ESD 测试与失效分析,验证布局、接地与其他保护元件的协同效应。

如需进一步的电气参数曲线、典型钳位电压随电流变化图或封装尺寸图,建议参考 ST 官方数据手册或提供具体应用场景以便给出更精确的设计建议。

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