WMSIC Electronic Components

TECH PUBLIC SDT23C712L02

ModelSDT23C712L02
PackageSOT-23
BrandTECH PUBLIC
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
TECH PUBLIC SDT23C712L02
Type
TECH PUBLIC
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
TECH PUBLIC
Electronic Component
SDT23C712L02
Electronic Component
1
Package
SOT-23
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.029g
Electronic Component
1
Cj- Capacitor
75pF
Electronic Component
BM0231071335
Voltage
12V;26V
Electronic Component
IEC 61000-4-4;IEC 61000-4-5;IEC 61000-4-2
Current(Ir)
2uA;50nA
Electronic Component
Electronic Component
Electronic Component
3000

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

SDT23C712L02 产品概述

一、产品简介

SDT23C712L02 系列为台舟电子(TECH PUBLIC)推出的小体积瞬态抑制器(TVS/ESD)器件,采用 SOT-23 封装,专为对敏感接口和电源线提供高效瞬态抑制而设计。器件符合工业级抗扰度标准,能够在雷击浪涌与静电放电等瞬态事件中快速钳位,保护下游电路免受损害。产品提供两种额定工作电压版本,适用不同工作电压和信号完整性要求的场景。

二、主要技术参数

  • 品牌:TECH PUBLIC(台舟电子)
  • 封装:SOT-23
  • 类型:ESD / TVS 瞬态抑制
  • 额定反向截止电压 Vrwm:7 V;12 V(两种版本)
  • 钳位电压 Vclamp(典型):12 V(对应 Vrwm=7V);26 V(对应 Vrwm=12V)
  • 峰值脉冲电流 Ipp:17 A @ 8/20 μs
  • 峰值脉冲功率 Ppp:400 W @ 8/20 μs
  • 反向漏电流 Ir:≈2 μA(7 V 版);≈50 nA(12 V 版)
  • 结电容 Cj:75 pF(典型)
  • 符合标准:IEC 61000-4-2(ESD)、IEC 61000-4-4(EFT)、IEC 61000-4-5(Surge)

三、主要特性与优势

  • 高能量吸收能力:单次 8/20 μs 耐受 17 A 电流与 400 W 峰值功率,能有效钳制短时浪涌与雷击脉冲。
  • 低钳位电压:在瞬态期间提供可靠钳位,限制被保护节点电压,保护敏感器件。
  • 低结电容(75 pF):对高速数据线影响小,适合 USB、串行总线等对信号完整性有要求的场合。
  • 小型 SOT-23 封装:节省 PCB 面积,便于贴片工艺与批量生产。
  • 工业级抗扰度:满足 IEC 61000-4-2/4/4-5 要求,适用于工业与消费类产品的电磁兼容保护。

四、典型应用

  • 接口保护:USB、RS‑232/RS‑485、CAN、HDMI、音视频接口等数据线的保护。
  • 电源线防护:5 V / 12 V 等低压电源轨的瞬态抑制。
  • 工业控制和仪表:现场总线、传感器前端保护。
  • 通信设备与消费电子:路由器、机顶盒、便携设备等端口防护。

五、布局与使用建议

  • 靠近受保护端口或连接器放置器件,尽量缩短输入端到器件的 PCB 路径,以减小串联感抗。
  • 将器件接地端(或共地)与大面积接地平面短而直接连接,保证快速能量回流。
  • 若需对高速差分信号进行保护,评估结电容对信号带宽的影响,必要时选择低容版本或采用差分布置。
  • SOT-23 封装热容量有限,连续高能脉冲环境下需评估散热和重复脉冲寿命;对频繁冲击,应考虑外部限流或更高功率器件组合。
  • 在大电流或强雷击环境,可与熔断器、PTC/电感等保护元件配合使用,形成多级保护体系。

六、选型与注意事项

  • 选型时 Vrwm 应略高于最大工作电压以避免正常工作时导通;例如 5 V 系统通常选 7 V 版本;12 V 系统或高容忍线路可选 12 V 版本。
  • 注意器件的结电容对高速信号的影响,75 pF 适中但对某些高频接口仍需评估。
  • 留意漏电流规格:在超低功耗设计中需确认 Ir 是否满足待保护电路的静态功耗限制。
  • 查看器件的脉冲能量评级与目标应用的过电压谱是否匹配,必要时采用更高 Ppp 或并联设计。

如需更多电气特性曲线、引脚定义或参考电路图,可提供具体应用场景(如 USB/以太网/电源轨),以便给出更精确的布局与选型建议。

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