WMSIC Electronic Components

DOWO ESD5302F-3/TR ESD5302F

ModelESD5302F-3/TR
PackageSOT-23
BrandDOWO
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
DOWO ESD5302F-3 / TR
Type
DOWO
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
DOWO
Electronic Component
ESD5302F-3/TR
Electronic Component
1
Package
SOT-23
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.035g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
0.3pF
Electronic Component
BM0258760035
Voltage
11V
Electronic Component
IEC 61000-4-4;IEC 61000-4-5;IEC 61000-4-2
Current(Ir)
500nA

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

ESD5302F-3/TR 产品概述

一、主要参数与特性

ESD5302F-3/TR 是东沃(DOWO)推出的双路单向瞬态抑制保护器,专为高速信号线与电源保护而设计。主要电气参数如下:

  • 极性:单向
  • 反向截止电压 (Vrwm):5 V
  • 击穿电压:6 V
  • 钳位电压:11 V(典型值于8/20 μs 测试条件下)
  • 峰值脉冲电流 (Ipp):3.5 A @ 8/20 μs
  • 峰值脉冲功率 (Ppp):38 W @ 8/20 μs
  • 反向电流 (Ir):500 nA
  • 结电容 (Cj):0.3 pF(低电容,适合高速信号)
  • 通道数:双路
  • 类型:ESD/瞬态抑制器
  • 封装:SOT-23

二、产品优势

  1. 低结电容(0.3 pF):对高频/高速数据线(如 USB、HDMI、LVDS 等)影响小,能够保持信号完整性。
  2. 低反向漏电流(500 nA):适用于对静态功耗敏感的便携设备。
  3. 单向结构:对电源或有极性要求的信号线提供可靠的单向保护,避免反向钳位造成电路异常。
  4. 紧凑封装(SOT-23):占板面积小,便于贴装于接插件附近实现高效保护。
  5. 支持工业级脉冲标准:在8/20 μs测试波形下具备3.5 A 脉冲电流能力和38 W 脉冲功率,能有效吸收常见浪涌与脉冲事件。

三、典型应用场景

  • 移动终端、平板与笔记本的 I/O 口保护(USB、耳机接口等)
  • 工业控制与自动化设备的通讯口防护(串口、CAN、差分信号线)
  • 消费电子与可穿戴设备,要求低功耗与高信号完整性的场合
  • 接口板、线缆入口处的浪涌与静电防护模块

四、布局与使用建议

  • 器件应尽可能靠近被保护的连接器或 PCB 引出点安置,以减少过渡引线电感和走线长度。
  • 将 GND 引脚直接连接到主地平面,采用较宽的回流路径以降低电感和焊点温升。
  • 对于连续性浪涌或重复大能量脉冲,建议在系统设计中加入串联限流元件或多级保护以分担能量。
  • 注意器件额定为脉冲吸收,不可作为持续电压钳位器长期承受高能量或高功耗。

五、封装与订购信息

  • 封装形式:SOT-23 小型三引脚封装,适合自动贴片工艺。
  • 产品型号:ESD5302F-3/TR(东沃 DOWO 品牌)
    (实际引脚定义与电路图请参考厂商完整资料以确保布局与焊接无误)

六、可靠性与合规性

ESD5302F-3/TR 满足常见行业抗扰标准,包括:

  • IEC 61000-4-2(静电放电,ESD)
  • IEC 61000-4-4(电快速瞬变/脉冲,EFT)
  • IEC 61000-4-5(浪涌,Surge)
    这些认证表明器件在实际应用中对常见静电与浪涌事件具有良好的抑制能力。

七、注意事项

  • 请依据实际应用环境核实钳位电压与反向截止电压是否满足被保护电路的安全余量。
  • 峰值参数基于标准8/20 μs 波形测试,非持续功率额定值,不可长期承受该能量。
  • 在高频或差分信号线路上使用时,应验证器件的寄生电容对信号完整性的影响。
  • 采购与替换时注意批次和生产商一致性,确保可靠性与一致的电气性能。

简要结论:ESD5302F-3/TR 以其低电容、低漏电和紧凑封装,适合需要高速信号保护且对板面空间和功耗有严格要求的应用场景,是常见接口防护与浪涌抑制的实用选择。

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