WMSIC Electronic Components

ElecSuper SENC712HA

ModelSENC712HA
PackageSOT-23
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Elec Super SENC712HA
Type
ELECSUPER
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ELECSUPER
Electronic Component
SENC712HA
Electronic Component
1
Package
SOT-23
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.039g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
90pF
Electronic Component
BM0258775446
Operating Temperature
40℃~+125℃
Voltage
24V
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.

SENC712HA 产品概述

一、概述

SENC712HA 是 ElecSuper(静芯微)推出的一款双向瞬态电压抑制器(TVS),以 SOT-23 小封装提供单通道保护。器件针对瞬态脉冲、静电放电(ESD)及感性负载切换等干扰事件设计,额定反向截止电压(Vrwm)12V,典型钳位电压24V,适用于需要双向过压钳制的线路保护场合。

二、主要规格亮点

  • 极性:双向,能同时吸收正、负向瞬态脉冲;
  • 反向截止电压(Vrwm):12V;
  • 击穿电压(Vbr):16.3V(典型);
  • 钳位电压:24V(在指定脉冲条件下);
  • 峰值脉冲电流(Ipp):34A(8/20μs 波形);
  • 峰值脉冲功率(Ppp):800W(8/20μs);
  • 反向泄漏电流(Ir):1μA(常温、Vrwm 下);
  • 结电容(Cj):90pF(对高速信号有一定影响);
  • 工作温度:-40℃ 至 +125℃;
  • 防护等级:满足 IEC 61000-4-2(ESD)与 IEC 61000-4-4(EFT)试验要求;
  • 封装:SOT-23,适合空间受限应用。

三、应用场景

  • 低压电源轨保护(例如 12V 较低功率系统的防浪涌);
  • 数据与信号线的双向静电保护(注意结电容 90pF 对高频信号的影响);
  • 工业控制、家电与消费电子产品的输入/输出接口保护;
  • 汽车车载电子中对瞬态脉冲与ESD缓解(在非关键汽车安全链路);
  • 与传感器、继电器驱动电路配合使用,抑制感性负载反向冲击。

四、设计与布局建议

  • 器件应尽量靠近受保护的接口或连线点封装焊盘,缩短走线以降低感抗与串扰;
  • 对于高频高速数据线,如 USB3.0 或差分高速总线,90pF 容量可能带来显著负载,应评估是否选用低容型 TVS;
  • 若系统对钳位电压敏感,可在 TVS 前增加串联阻抗(限流电阻或共模元件)以减小瞬态能量直击;
  • SOT-23 封装需注意散热路径与焊盘铜箔面积,确保在高能量脉冲时热量能被有效扩散。

五、选型与替代考虑

  • 需要更低钳位电压或更小结电容时,可考虑同厂或其他厂商的低 Cj 或高 Ppp 型号;
  • 若工作电压高于 12V,需选择更高 Vrwm 额定的 TVS;
  • 对于重复冲击或更高脉冲能量场景,优先选用额定功率更高或并联多片以分担能量。

六、可靠性与合规

SENC712HA 在设计上考虑到了工业级温度范围(-40℃~+125℃)与 IEC 标准的电磁兼容要求,适合多数商用与工业环境使用。推荐在最终产品进行整机 ESD/EFT 校准测试,以确认整机防护满足目标规范。

总结:SENC712HA 以其双向钳位、800W 峰值功率和 SOT-23 小封装,为空间受限但需要可靠瞬态抑制的应用提供了平衡的方案。选用时请结合结电容与钳位要求、系统工作电压及能量吸收能力综合评估。

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