WMSIC Electronic Components

ElecSuper SENC5D3V1BA

ModelSENC5D3V1BA
PackageSOD-523
BrandElec Super
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
Elec Super SENC5D3V1BA
Type
ELECSUPER
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ELECSUPER
Electronic Component
SENC5D3V1BA
Electronic Component
1
Package
SOD-523
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.022g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
15pF
Electronic Component
BM0230661591
Operating Temperature
55℃~+150℃
Voltage
10V
Electronic Component
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.

SENC5D3V1BA — 1路双向ESD保护器件 产品概述

一、概述

SENC5D3V1BA 是 ElecSuper(静芯微)推出的一款单路双向静电放电(ESD)保护器件,采用超小封装 SOD-523,面向 3.3V 工作电压的高速信号线保护。器件针对瞬态脉冲提供高能量吸收能力与低漏电流特性,适用于移动终端、物联网模块、传感器接口及各类 3.3V 数字/模拟接口的浪涌与静电防护。

二、主要性能亮点

  • 极性:双向,适合双向信号线(例如串口、差分信号等)。
  • 反向截止电压 Vrwm:3.3V,适配 3.3V 系统保护需求。
  • 击穿电压:3.8V(参数标称),在超过 Vrwm 时进入导通吸收模式。
  • 钳位电压:10V(在峰值脉冲条件下),在大电流冲击时保持对下游器件的保护。
  • 峰值脉冲电流 Ipp:8A,能承受 8/20μs 浪涌脉冲的瞬时电流。
  • 峰值脉冲功率 Ppp:90W(8/20μs),具备较强的能量吸收能力。
  • 反向电流 Ir:1μA(典型/最大等级),低漏电适合电池供电和低功耗应用。
  • 结电容 Cj:约 15pF,对高速信号有一定影响,适用于一般数据通信而非极高带宽应用。
  • 工作温度范围:-55℃ ~ +150℃,满足工业级温度要求。
  • 符合 IEC 61000-4-2 ESD 防护规范,可靠性与兼容性高。

三、典型应用场景

  • 3.3V I/O 接口保护:GPIO、UART、SPI、I2C 等。
  • 移动与便携设备:智能手机配件、蓝牙/无线模块接口。
  • 工业与物联网终端:传感器节点、控制器外部接口。
  • 消费电子与外围接口:键盘、触摸屏控制线、音频信号入口。

四、封装与布板建议

  • 封装:SOD-523 小体积封装,适合空间受限的 PCB 布局。
  • 布局要点:保护器件应靠近外部连接点或受扰点放置,走线尽量短且直;为降低回路阻抗,建议在信号入口和器件之间保留接地过孔或地平面连接。
  • 对于双向器件无需判别极性,但仍需确保焊点质量和良好接地。
  • 注意结电容 15pF 对高速链路(如超高速差分对)可能产生影响,必要时在设计评估信号完整性。

五、选型与使用注意

  • 本器件适用于对瞬态能量吸收有明确要求但不作为持续电流开关使用;峰值参数基于 8/20μs 测试波形,应避免重复的大能量冲击影响寿命。
  • 确认系统最大工作电压与 Vrwm(3.3V)匹配,若系统存在高于 Vrwm 的稳态电压,应选择更高 Vrwm 的器件。
  • 在低漏电流设计中,1μA 的反向电流为参考值,实际系统应考虑温度与制造批次的漂移。
  • 焊接与回流:因 SOD-523 为微小封装,建议按厂商推荐的焊接工艺和回流曲线执行,避免过热损伤。

六、可靠性与合规

  • 器件耐受高能 ESD 与浪涌,且工作温度宽,适合严格环境与工业应用。
  • 符合 IEC 61000-4-2 标准要求,能满足常见的静电放电防护规范。

如需器件规格书(Datasheet)、封装尺寸或推荐 PCB 焊盘图纸,可提供进一步资料以便快速完成硬件设计与布局验证。

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