WMSIC Electronic Components

DOWO PESD12VL2BT

ModelPESD12VL2BT
PackageSOT-23
BrandDOWO
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
DOWO PESD12VL2BT
Type
DOWO
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
DOWO
Electronic Component
PESD12VL2BT
Electronic Component
1
Package
SOT-23
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.029g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
70pF
Electronic Component
BM0231093697
Operating Temperature
40℃~+85℃
Voltage
37V
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.

PESD12VL2BT 产品概述

一、主要参数

PESD12VL2BT 是 DOWO(东沃)推出的一款双路双向静电放电保护器(ESD),封装为 SOT-23,适用于对两路信号线的瞬态过压防护。主要电气参数如下:反向截止电压 Vrwm = 12V;击穿电压 Vbr ≈ 13.3V;钳位电压 Vc ≈ 37V(峰值);峰值脉冲电流 Ipp = 12A;峰值脉冲功率 Ppp = 450W;反向漏电流 Ir = 1µA;结电容 Cj = 70pF;工作温度范围 -40℃~+85℃;防护等级符合 IEC 61000-4-2 标准。

二、产品特点

  • 双路双向保护:可对两条信号线提供对称的正负电压危害抑制,适合差分或独立信号的 ESD 防护需求。
  • 高能量吸收:450W 峰值脉冲功率和 12A 峰值脉冲电流,能有效吸收短时高能量放电事件。
  • 低漏电与适中结电容:1µA 的低反向漏电保证对高阻电路影响小;70pF 的结电容适合多数数据线和控制信号,但对高速差分总线需评估影响。
  • SOT-23 小尺寸封装,易于贴片安装,适合体积受限的消费类与便携设备。

三、典型应用

  • USB、I2C、UART、SPI 等接口的端口防护
  • 智能终端、仪表、机顶盒、消费类电子产品的输入/输出保护
  • 工业控制与通信模块中对信号线的过压和静电放电抑制
    注:对于超高速差分接口(例如 USB3.x、PCIe 等),需进一步评估结电容对信号完整性的影响。

四、封装与 PCB 布局建议

  • 尽量将器件放置在被保护端口与 PCB 入口处,靠近连接器引脚,缩短走线长度以降低寄生电感。
  • 为获得最佳接地性能,保护器地端应通过低阻抗回流路径接入主地平面;若在多层板上,建议使用过孔直接连接地平面。
  • 注意焊盘设计与热回流工艺,SOT-23 封装允许常规回流焊工艺装配。

五、使用注意事项与可靠性

  • 器件为瞬态保护元件,不可作为持续工作电压使用,长期施加超过 Vrwm 的电压会导致损坏。
  • 请确保瞬态脉冲电流不超过 Ipp 标称值,且脉冲能量不超过 Ppp 额定,否则可能造成永久损坏。
  • 工作温度为 -40℃~+85℃,在极端环境或更高温度应用时需评估可靠性与寿命。
  • 符合 IEC 61000-4-2 抗静电放电测试要求,但具体等级(KV)应参照厂商完整测试报告或样片验证。

六、订购与替代选择

型号:PESD12VL2BT;品牌:DOWO(东沃);封装:SOT-23;通道:双路双向。选型时若需更低结电容、更高能量吸收或更高工作电压,可咨询供应商获取系列产品或推荐替代型号。购买前建议索取完整数据手册与样品进行电气与信号完整性验证。

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