WMSIC Electronic Components

UMW PESD5V0U1BA

ModelPESD5V0U1BA
PackageSOD-323
BrandUMW
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
UMW PESD5V0U1BA
Type
UMW
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
UMW
Electronic Component
PESD5V0U1BA
Electronic Component
1
Package
SOD-323
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.031g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
2.9pF
Electronic Component
BM0231084829
Electronic Component
IEC 61000-4-2
Current(Ir)
5nA
Voltage(VBR)
7V

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

PESD5V0U1BA 产品概述

PESD5V0U1BA 是 UMW(友台半导体)推出的一款单路双向瞬态电压抑制器(TVS),采用 SOD-323 小型封装,专为对敏感信号线和接口进行 ESD/浪涌保护而设计。器件在工作电压 5V 条件下具有极低的泄漏电流和适合高速信号的结电容,适用于移动设备、消费电子、工业接口等空间受限且对信号完整性有要求的应用场景。

一、主要参数一览

  • 极性:双向(Bidirectional)
  • 反向稳态电压 Vrwm:5V
  • 击穿电压(Vbr):7V(典型)
  • 反向电流 Ir:5 nA(常温)
  • 通道数:单路
  • 结电容 Cj:2.9 pF(典型)
  • 防护等级:符合 IEC 61000-4-2(ESD)
  • 封装:SOD-323
  • 类型:ESD/TVS(瞬态抑制二极管)
  • 品牌:UMW(友台半导体)

二、性能与优势

PESD5V0U1BA 的双向结构可对正向与反向的瞬态脉冲进行对称钳位,适合信号线可能出现反向瞬态的场景(例如数据差分线、接口保护)。低至 5 nA 的反向漏电流保证在待机和低功耗模式下不会增加明显静态功耗;2.9 pF 的结电容有利于保持高速接口的信号完整性,减少串扰和信号失真。小巧的 SOD-323 封装便于贴片化、节省 PCB 面积并兼容常见回流焊工艺。

三、典型应用场景

  • USB、HDMI、DP 等 5V 级别接口的ESD保护与浪涌抑制
  • 智能手机、平板、可穿戴设备的外部 I/O 接口保护
  • 工业控制、传感器接口、串行通信(如 UART、I2C/ SPI 的额外保护)
  • 汽车电子的非关键信号线防护(需结合汽车级认证时注意规格匹配)

四、设计与布局建议

  • 将器件靠近受保护的连接器或接口布置,以缩短脉冲回路,提升抑制效率。
  • 对差分信号线,建议在两线之间或每线对地都配置合适的 TVS(根据系统需求选择单端或差分保护方案)。
  • 参考器件的结电容(2.9 pF)评估对信号速率的影响,若为非常高频应用(如高速差分信号超 GHz 级),需在信号完整性仿真中验证。
  • 注意焊盘布局和热回流曲线,SOD-323 封装兼容常规回流工艺,但建议遵循厂商的焊接资料以保证可靠性。

五、可靠性与标准

器件符合 IEC 61000-4-2 ESD 抗扰度要求,可有效吸收人体模型和机器模型的静电放电冲击,提升产品在实际应用中的抗干扰能力。在选型时仍建议基于目标系统的电磁兼容(EMC)测试结果来确认保护方案的充分性。

六、选型注意事项

  • 确认系统工作电压与 Vrwm(5V)匹配,避免长期偏置导致功耗或漂移。
  • 若需更强的浪涌能量吸收或更低钳位电压,应参考具有更高功率等级或不同封装的器件对比测试。
  • 对汽车级或极端温度环境应用,需核实器件的温度等级与可靠性数据表。

总结:PESD5V0U1BA 以其双向保护、低漏电、低结电容和紧凑封装,为 5V 类接口和高速信号提供了平衡的 ESD 保护解决方案,适合对空间和信号完整性都有较高要求的电子产品设计。若需完整电气特性曲线、钳位电压或 PCB 推荐封装图,请参考 UMW 官方数据手册或联系供应商获取详细资料。

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