WMSIC Electronic Components

BORN PESD8V0L2BT-N

ModelPESD8V0L2BT-N
PackageSOT-23
BrandBORN
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
BORN PESD8V0L2BT-N
Type
BORN
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
BORN
Electronic Component
PESD8V0L2BT-N
Electronic Component
1
Package
SOT-23
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.032g
Electronic Component
1
Cj- Capacitor
40pF
Electronic Component
BM0226248511
Voltage
18V
Electronic Component
IEC 61000-4-4;IEC 61000-4-5;IEC 61000-4-2
Current(Ir)
100nA
Voltage(VBR)
9V

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

PESD8V0L2BT-N 产品概述

一、产品简介

PESD8V0L2BT-N 是 BORN(伯恩半导体)推出的一款双向静电放电保护二极管(TVS),采用 SOT-23 小封装设计,专为保护低压接口与信号线免受静电放电、雷击及电快速瞬变干扰而设计。其工作方式为双向钳位,适用于需要双向保护的数据信号或电源线路。

二、主要电气参数

  • 反向工作电压(Vrwm):8 V
  • 击穿电压(Vbr):9 V
  • 钳位电压(Vclamp):18 V
  • 峰值脉冲功率(Ppp, 8/20 μs):350 W
  • 峰值脉冲电流(Ipp, 8/20 μs):15 A
  • 结电容(Cj):40 pF
  • 反向漏电流(Ir):100 nA
  • 极性:双向
  • 类型:ESD TVS
  • 防护等级:符合 IEC 61000-4-2 / IEC 61000-4-4 / IEC 61000-4-5 标准

三、关键特性与优势

  • 小体积封装:SOT-23 封装,便于表贴与高密度 PCB 布局。
  • 强抗脉冲能力:350 W(8/20 μs)峰值功率与 15 A 峰值电流,可处理工业级脉冲能量。
  • 低泄漏:反向电流仅 100 nA,适合对静态功耗敏感的系统。
  • 快速响应:能够快速钳制瞬变电压,保护下游器件免受瞬态损伤。
  • 多重标准合规:通过 IEC 静电、雷击及电快速瞬变相关认证,可靠性高。

四、典型应用场景

  • 接口保护:UART、GPIO、控制信号线、防止插拔/接触产生的静电冲击。
  • 低压电源线防护:适用于 5 V 或更低电压的电源和参考线(Vrwm=8V)。
  • 工业控制与仪表:对抗现场电磁干扰与开关产生的瞬态。
  • 通信与终端设备:用于需要双向保护的信号通道。
    注意:Cj=40 pF,可能对超高速差分信号(如 USB3.0、PCIe 等)产生影响,选用前应评估信号完整性要求。

五、封装与布局建议

  • 尽量将器件放置在被保护端口的靠近连接器处,缩短信号到 TVS 的走线长度以减小回路感应。
  • 地线采用多点过孔或完整地平面,以提高瞬态能量的散热与分流能力。
  • 对于高能量脉冲,优化 PCB 散热与铜箔面积以降低温升。
  • 双向器件无需考虑极性方向,但仍应参考官方管脚定义与丝印,确保与 PCB 设计一致。具体管脚与封装尺寸请以厂家数据手册为准。

六、合规性与可靠性

PESD8V0L2BT-N 满足 IEC 61000-4-2(静电放电)、IEC 61000-4-4(电快速瞬变)和 IEC 61000-4-5(雷电浪涌)相关测试要求,适合在对电磁兼容性(EMC)有较高要求的消费、工业应用中使用。长期可靠性依赖于实际应用的脉冲能量与重复次数,推荐在电路设计中适当保留余量。

七、选型注意事项与建议

  • 若被保护信号为高带宽差分接口,应优先选择更低结电容的 TVS;对 1–10 MHz 以下控制或电源线,40 pF 通常可接受。
  • 若系统常承受频繁大能量脉冲,应评估 TVS 的累积能量吞吐与可能的热失效问题,必要时并联限流或使用级联保护方案。
  • 参考厂商完整数据手册以获取精确特性曲线、最大额定值及 PCB 推荐接法。

总结:PESD8V0L2BT-N 在小体积下提供了良好的瞬态抑制能力和多项 IEC 防护认证,适合用于 8 V 以下电源与低/中速信号线的可靠过电压保护场景。具体应用与布局请结合数据手册与系统信号完整性要求综合评估。

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