WMSIC Electronic Components

Nexperia PESD4V0W1BCSFYL

ModelPESD4V0W1BCSFYL
PackageDSN0603-2
BrandNexperia
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

20 specifications

Core information

Product name
Nexperia PESD4V0W1BCSFYL
Type
NEXPERIA
Unit
Electronic Component
Minimum package
9000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
NEXPERIA
Electronic Component
PESD4V0W1BCSFYL
Electronic Component
1
Package
DSN0603-2
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.007g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
0.55pF
Electronic Component
BM0227551374
Operating Temperature
40℃~+125℃
Voltage
5.1V

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

PESD4V0W1BCSFYL 产品概述

一、产品简介

PESD4V0W1BCSFYL 是 Nexperia(安世)推出的一款双向 TVS 二极管,专为对敏感信号线和电源线提供瞬态过电压(ESD / 雷击)防护而设计。器件封装为紧凑的 DSN0603-2,单路保护,适用于空间受限且对信号完整性要求较高的系统。该器件工作温度范围为 -40℃ 到 +125℃(Ta),能在典型工业与消费电子环境中稳定工作,符合 IEC 61000-4-2 和 IEC 61000-4-5 标准要求。

二、关键技术参数

  • 极性:双向(bidirectional)
  • 反向截止电压 Vrwm:4 V
  • 钳位电压(典型):5.1 V
  • 峰值脉冲电流 Ipp:20 A @ 8/20 μs
  • 击穿电压 Vbr:6.8 V
  • 反向漏电流 Ir:1 nA(典型/最大量级)
  • 通道数:单路
  • 工作温度:-40℃ ~ +125℃(Ta)
  • 防护等级:符合 IEC 61000-4-5(浪涌)与 IEC 61000-4-2(ESD)
  • 类型:ESD 保护器件(TVS)
  • 结电容 Cj:0.55 pF(典型)
  • 品牌:Nexperia(安世)
  • 封装:DSN0603-2(小尺寸 0603 类两端子封装)
  • 型号:PESD4V0W1BCSFYL

三、主要特点

  • 双向保护:对正负瞬态脉冲均能提供对称钳位,适用于双向信号线或不区分极性的场合。
  • 低 Vrwm(4 V):适合用于 5 V 系统或低压信号总线的连续工作电压,能在正常工作条件下不触发保护。
  • 低钳位电压(5.1 V @ Ipp):在 8/20 μs 浪涌电流下能将电压有效钳位在较低水平,减轻下游器件应力。
  • 高浪涌吸收能力:20 A 的 8/20 μs 峰值脉冲电流能力,满足常见浪涌与雷击脉冲的短时能量吸收需求。
  • 极低漏电流(1 nA):有利于低功耗或高阻抗电路,减少静态功耗与误触发。
  • 超低结电容(0.55 pF):对高频/高速信号(例如 USB、差分对、音视频线)干扰小,保持信号完整性。
  • 紧凑封装:DSN0603-2 占用 PCB 面积小,适合小型化设计与靠近连接器/接口近端布置。

四、典型应用场景

  • USB、USB OTG、USB-C 数据线与端口防护
  • 手机、平板、手持设备等外部接口防护
  • HDMI、MIPI、LVDS 等高速差分信号的外部保护(需根据信号线数量分别配置)
  • 工业控制接口、通信端口(UART、I2C、SPI)抗静电保护
  • 汽车电子中非关键电源/信号接口(在满足汽车规范前提下使用)
  • 智能家电、可穿戴设备、IoT 末端设备的接口防护

五、设计与布局建议

  • 放置位置:将 TVS 器件尽可能靠近外部接口或连接器放置,缩短受保护信号与 TVS 之间的走线长度,减少感抗与寄生电感。
  • 接地处理:尽量为 TVS 提供低阻抗的参考地,使用宽短的地线或直接焊接到地平面(GND)以提高抑制效率。
  • 差分线/多线保护:对于差分信号(如 USB D+/D-),建议在每条线上分别使用 TVS 或采用专用差分 TVS 方案,以保证平衡与匹配。
  • 走线与布局:在高速信号路径上,注意保持阻抗连续,避免在 TVS 与信号线之间引入不必要的走线过渡和弯折。
  • 热管理:虽然器件为瞬态吸收为主,但在有重复冲击或较大能量情况下应评估 PCB 散热与器件热应力。

六、可靠性与合规性

PESD4V0W1BCSFYL 针对 ESD 与浪涌有专门的测试,满足 IEC 61000-4-2(静电放电)和 IEC 61000-4-5(浪涌)标准的防护要求。工作温度范围 -40℃ 到 +125℃ 适合常见工业与消费类应用环境。实际设计中建议根据应用场景阅读厂家完整数据手册以获取典型曲线、钳位电压随电流变化的细节以及最大能量/能量降额曲线。

七、选型要点与注意事项

  • 确认 Vrwm(4 V)是否与目标电路直流工作电压兼容(例如 5 V 系统通常选择 Vrwm 在 4 V 左右的器件)。
  • 对高速差分信号,重点关注 Cj(0.55 pF)是否满足系统带宽要求。
  • 若需要更高的浪涌承受能力或多路保护,考虑并联或选择多通道/更大功率等级的 TVS 器件。
  • 在关键或需符合更严格行业规范(如汽车 AEC-Q)的场景,需核实器件具体认证与额外测试报告。

八、结论

PESD4V0W1BCSFYL 是一款面向 5 V 级别系统的双向低电容 TVS 二极管,具备低漏电、低结电容与较强的浪涌吸收能力,适合用于各种外部接口和高速信号线的瞬态过压保护。其小体积封装便于靠近接口布局,有助于在空间受限的产品中实现可靠的静电与浪涌防护。建议在正式设计中结合数据手册的典型曲线与应用说明进行优化布局与热/能量评估。

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