WMSIC Electronic Components

FUXINSEMI PESD15VL1BA

ModelPESD15VL1BA
PackageSOD-323
BrandFUXINSEMI
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

19 specifications

Core information

Product name
FUXINSEMI PESD15VL1BA
Type
FUXINSEMI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
FUXINSEMI
Electronic Component
PESD15VL1BA
Electronic Component
1
Package
SOD-323
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.027g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
35pF
Electronic Component
BM0265133006
Operating Temperature
55℃~+125℃
Voltage
35V
Electronic Component
IEC 61000-4-4;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.

PESD15VL1BA 产品概述

一、产品简介

PESD15VL1BA 是富芯森美(FUXINSEMI)推出的一款单路双向 ESD 保护二极管,封装为 SOD-323。器件针对瞬态浪涌和静电放电事件提供有效钳位,适用于需要对单条数据线或信号线进行双向保护的场合。工作温度范围为 -55℃ 至 +125℃,满足工业级应用的可靠性要求。

二、关键电气参数

  • 反向截断电压 (Vrwm):15 V(工作电压标称);
  • 击穿电压 (VBR):16.7 V(典型);
  • 钳位电压:35 V(在规定脉冲条件下);
  • 峰值脉冲电流 (Ipp):10 A @ 8/20 μs;
  • 峰值脉冲功率 (Ppp):350 W @ 8/20 μs;
  • 反向漏电流 (Ir):1 μA(在 Vrwm 下);
  • 结电容 (Cj):35 pF;
  • 通道数:单路,双向工作;
  • 防护等级:满足 IEC 61000-4-2(ESD)与 IEC 61000-4-4(EFT)相关要求。

这些参数表明该器件在面对短时高能脉冲(如雷击诱发浪涌或静电放电)时能快速钳位并吸收较大能量,同时在静态工作下保持低漏电。

三、性能特点与应用侧重点

  • 双向保护:适合双极性信号或需双向钳位的接口,如某些模拟线、通讯接口或电源开关节点。
  • 高浪涌承受能力:10 A/8/20 μs 的峰值脉冲电流和 350 W 的脉冲功率,适合中等能量冲击防护。
  • 低漏电:Ir≈1 μA,有利于对精密模拟电路的影响最小化。
  • 中等结电容(35 pF):对高速差分信号(如 USB3.x、SATA 等)可能带来信号完整性影响,更适合低速或电源线、控制信号保护场景。

典型应用包括 USB 2.0/备用电源线保护、串口/控制信号防护、工业控制接口以及需要抗静电和快速瞬态抑制的板级保护点。

四、封装与布局建议

SOD-323 小型封装有利于节省 PCB 面积并降低封装寄生电感,但在布局时应注意:

  • 将器件放置在被保护端口的靠近入口位置,尽量靠近连接器或外部引脚;
  • 最短且宽的回流路径到参考地,以降低回路电感和提升吸能效率;
  • 对高频或高速信号,评估 35 pF 容量对信号裕度的影响,必要时采用系列阻抗或选择更低 Cj 的器件。

五、选型与使用建议

  • 若保护对象为高速差分信号(>100 MHz),建议评估更低结电容的 ESD 器件,以免影响信号眼图;
  • 若系统允许最高钳位电压 ≤35 V,则该器件可直接使用;对更严格的终端保护,可并联吸收元件或级联保护策略降低钳位电压;
  • 系统级抗扰度需通过整机测试验证,器件规格为器件能力指标,实际防护效果受布局、接地和外部回路影响。

六、可靠性与标准合规

PESD15VL1BA 为工业级温度设计(-55℃ 至 +125℃),并标注对 IEC61000-4-2 与 IEC61000-4-4 的抗扰能力。为确保长期可靠性,应遵循器件材料和焊接温度规范,并在实际环境下进行加速寿命与抗扰度测试。

结语:PESD15VL1BA 以其双向保护、高脉冲承受能力和小体积封装,适合对中等能量瞬变事件进行板级保护的应用场景。在应用前请结合电路耐压、允许钳位电压和信号速率综合评估,以获得最佳的保护效果与信号性能平衡。

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