WMSIC Electronic Components

ElecSuper BV_SM712

ModelBV_SM712
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 BV_SM712
Type
ELECSUPER
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ELECSUPER
Electronic Component
BV_SM712
Electronic Component
1
Package
SOT-23
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.049g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
40pF
Electronic Component
BM0258810603
Operating Temperature
40℃~+125℃
Voltage
24V
Electronic Component
IEC 61000-4-2;IEC 61000-4-4

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

BV_SM712 产品概述

一、产品简介

BV_SM712 是 ElecSuper(静芯微)推出的一款单路双向瞬态电压抑制(TVS)二极管,专为瞬态过电压与静电放电保护设计。器件采用 SOT-23 小型封装,支持双向钳位,适合对板载接口、信号线及电源线进行高效的脉冲与静电防护。

二、主要技术参数

  • 极性:双向
  • 额定反向工作电压 Vrwm:12 V
  • 钳位电压(典型):24 V
  • 峰值脉冲电流 Ipp:17 A(10/1000 µs 或同类脉冲条件)
  • 峰值脉冲功率 Ppp:400 W(10/1000 µs)
  • 击穿电压:16.3 V
  • 反向漏电流 Ir:1 µA(典型)
  • 结电容 Cj:40 pF
  • 通道数:单路
  • 工作温度范围:-40 ℃ ~ +125 ℃
  • 防护标准:符合 IEC 61000-4-2(ESD)与 IEC 61000-4-4(EFT)
  • 封装:SOT-23
  • 品牌:ElecSuper(静芯微)

三、典型性能与特性

  • 双向结构可同时吸收正负极性瞬态脉冲,适用于交流或可双向摆幅的信号线保护。
  • 24 V 钳位电压在 12 V 工作电压应用中能有效限制过电压幅度,保护下游器件安全工作。
  • 17 A 峰值脉冲电流与 400 W 峰值脉冲功率表明在短时高能量干扰(如静电放电、浪涌)下有良好的吸收能力。
  • 1 µA 的低漏电流有利于低功耗与精密电路应用。
  • 40 pF 的结电容对中低速信号线影响较小,但在高频/高速信号线(如 USB3.0、HDMI 等)需要评估信号完整性影响。

四、典型应用场景与优势

  • 消费电子:充电口、耳机接口、按键与控制线的防护。
  • 工业与仪表:现场总线、控制信号与低压传感器线路保护。
  • 通信与数据接口:USB2.0、CAN、RS-232/RS-485 类中低速接口的过压与静电防护(需根据速率和电容要求评估)。
  • 优势:SOT-23 封装占板面积小,便于靠近被保护节点布局;符合 IEC ESD/EFT 标准,可靠性高;低漏电与宽工作温度适应多种环境。

五、封装与可靠性

SOT-23 小封装适合空间受限的消费与工业板卡,便于自动贴装与回流焊接。-40 ℃ 到 +125 ℃ 的工作温度范围满足大多数商用及工业级环境。器件通过 IEC 61000 系列测试,适合对抗静电放电与快速瞬态脉冲干扰的应用需求。

六、设计与选型建议

  • 布局:将 BV_SM712 靠近外部连接器或受保护节点放置,线长尽量短以降低串联感性和阻抗。地端采用低阻抗回流路径,多点接地或地平面可提升吸收与散热能力。
  • 信号完整性:若用于高速接口,需评估 40 pF 结电容对上行链路的影响;对于 GHz 级高速信号,建议选用低电容 TVS 器件。
  • 功率与脉冲能力:确认脉冲规范(波形、持续时间)与器件 Ppp、Ipp 匹配;在多次大能量冲击场景下,应考虑冗余或更高规格 TVS。
  • 封装与焊接:遵循 SMD 回流焊工艺规范,避免超出封装耐热限值,存储与装配过程中注意防静电保护。

七、总结

BV_SM712 作为一款单路双向 TVS 器件,凭借 12 V 工作点、24 V 钳位、17 A 脉冲电流与 400 W 峰值功率,适合中低速信号及电源接口的瞬态保护。其低漏电、高温稳定性与 SOT-23 小型化封装,使其在消费电子、工业控制与通信接口等领域具有良好适配性。选型时需关注结电容对信号速率的影响及脉冲能量匹配,以确保最佳保护效果。

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