WMSIC Electronic Components

Nexperia PESD3V3S1BSFYL

ModelPESD3V3S1BSFYL
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 26+

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
Nexperia PESD3V3S1BSFYL
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
PESD3V3S1BSFYL
Electronic Component
1
Package
DSN0603-2
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.096g
Electronic Component
1
Cj- Capacitor
10.7pF
Electronic Component
BM0227551129
Operating Temperature
40℃~+125℃
Voltage
6V
Electronic Component
IEC 61000-4-5;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.

PESD3V3S1BSFYL 产品概述

一、基本特性

PESD3V3S1BSFYL 是 Nexperia(安世)推出的双向 TVS 二极管,反向工作电压(Vrwm)3.3V,钳位电压约 6V,峰值脉冲电流 Ipp 为 12A(8/20µs),结电容典型值约 10.7pF,反向漏电流仅 1nA。工作温度范围为 -40℃ 至 +125℃,封装为微型 DSN0603-2,适合密集贴装与自动化生产。器件按照 IEC 61000-4-2(ESD)和 IEC 61000-4-5(浪涌)等级进行验证,专为对敏感 3.3V 信号线的瞬态过压保护设计。

二、典型应用场景

适用于各种 3.3V 逻辑与接口电路的瞬态抑制,包括但不限于:

  • MCU/GPIO、I2C、SPI、UART 等接口输入保护;
  • USB、HDMI 辅助电路和信号线(双向线路);
  • 通信模块、传感器接口及工业控制 I/O 端口;
  • 需要低漏流与中等结电容兼顾的高速数据线防护。

三、封装与 PCB 布局建议

DSN0603-2 为 0603 类微型双端封装,建议将器件尽量靠近被保护引脚放置,走线最短、回路最小化。接地端应使用短且粗的回流路径,必要时在器件附近设置 1~2 个接地 VIA,以降低寄生电感。对于差分或高速信号,请注意结电容(10.7pF)对信号完整性的影响,评估是否需要并联阻尼或采取替代低容产品。

四、关键电气性能与可靠性

  • 反向工作电压 Vrwm:3.3V(典型)
  • 钳位电压 Vc:约 6V(在指定脉冲条件下测得)
  • 峰值脉冲电流 Ipp:12A @ 8/20µs
  • 结电容 Cj:≈10.7pF(典型)
  • 反向漏电流 Ir:≈1nA(常温)
    器件通过 IEC 61000-4-2(±),IEC 61000-4-5 等级测试,适合工业与消费电子环境的静电与浪涌防护要求。

五、选型与设计注意事项

  • 若保护的是超高速差分信号(>1GHz),10.7pF 可能影响信号带宽,建议评估是否需更低电容型号。
  • 对于需承受更高能量的浪涌,考虑峰值电流与能量吸收能力更强的封装或并联多个 TVS。
  • 双向器件适合没有明确地/电源极性的信号线;若为单向电源线保护,可选择单向 TVS 以获得更低钳位。
  • 布局上尽量减少串联电感与寄生电容,必要时配合串联限流电阻或阻尼网络改善抑制效果。

六、使用与储存建议

保持干燥包装,避免长时间暴露在潮湿环境以免返潮。贴装前遵循常规回流焊温度曲线与湿敏等级要求。测试与可靠性验证建议在目标系统中进行,以确认对信号完整性与过压抑制的实际影响。

七、总结

PESD3V3S1BSFYL 在 3.3V 系统中提供低漏电、可靠的双向瞬态过压保护,适合多数接口与 I/O 保护场景。其微型 DSN0603-2 封装利于高密度布板,符合 IEC ESD/浪涌标准。设计时应权衡结电容对高速信号的影响和器件的能量吸收能力,以获得最佳保护效果。

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