WMSIC Electronic Components

Prisemi PESDNC2FD12VB

ModelPESDNC2FD12VB
PackageDFN1006
BrandPRISEMI
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
Prisemi PESDNC2FD12VB
Type
PRISEMI
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
PRISEMI
Electronic Component
PESDNC2FD12VB
Electronic Component
1
Package
DFN1006
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.01g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
8pF
Electronic Component
BM0226527247
Voltage
22V;27V
Electronic Component
IEC 61000-4-4;IEC 61000-4-2
Current(Ir)
1uA

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

PESDNC2FD12VB 产品概述

一、产品简介

PESDNC2FD12VB 是 Prisemi(芯导)推出的一款单路双向瞬态抑制二极管(TVS),用于针对静电放电(ESD)和快速瞬态脉冲的保护。器件采用 DFN1006 超小封装,适合空间受限的移动设备和接口保护方案,能在瞬态事件中为敏感电路提供快速夹止和泄放通道,避免器件损坏或功能错误。

二、主要特性

  • 双向保护,适用于双向数据线与差分信号;
  • 额定反向截止电压 Vrwm:12 V;击穿电压(Vbr):约 14 V;
  • 钳位电压 Vc:典型 22 V,最大 27 V(在规定测试条件下);
  • 峰值脉冲功率 Ppp:90 W(8/20 µs);峰值脉冲电流 Ipp:4 A;
  • 反向漏电流 Ir:≤1 µA(在 Vrwm 电压下);结电容 Cj:8 pF(典型),兼顾保护性能与信号完整性;
  • 单路、双向结构;封装:DFN1006(1.0 × 0.6 mm 级别);
  • 符合 IEC 61000-4-2(ESD)和 IEC 61000-4-4(EFT)防护等级。

三、典型电气参数说明

  • Vrwm = 12 V:器件在正常工况下可承受最高 12 V 的持续反向电压;
  • Vbr ≈ 14 V:当电压达到此值时进入击穿区开始导通;
  • 钳位电压 22 V(Typ)/27 V(Max):在脉冲注入时的最大夹止电压,决定被保护侧承受电压上限;
  • Cj = 8 pF:对高频信号有一定影响,适用于一般速度的 I/O 接口与控制线,但在超高频(Gbps 级别)应用需评估影响。

四、典型应用场景

  • USB、UART、I2C、SPI 等板级数据/控制接口保护;
  • 手机、平板、便携式终端的外部接口(耳机、充电口、SIM 卡等);
  • 工业控制与消费电子的信号线防护;
  • 对于需要双向 ESD 抑制的差分信号或可正反接场合尤为适合。

五、封装与 PCB 布局建议

  • 尽量将 TVS 器件靠近被保护的接口引脚放置,输入引线最短以减小寄生电感;
  • DFN1006 小封装,建议在器件底部或附近布置接地焊盘并通过多短引线接地;
  • 提供低阻抗回流路径(短且粗的接地回路),并在必要处加过孔将接地层连接;
  • 对于高速信号,注意匹配走线阻抗并评估 8 pF 电容对信号上升沿的影响。

六、典型电路与使用注意

  • 双向 TVS 可直接并联在被保护线与地之间(对于差分或双向线之间);
  • 在电源敏感电路前端或接口处优先使用,避免 TVS 两端长期承受超过 Vrwm 的偏置电压;
  • 在高能脉冲应用中注意 Ppp 与器件温升、防止重复脉冲导致累积损伤。

七、品质与合规性、订购信息

  • 品牌:Prisemi(芯导);型号:PESDNC2FD12VB;封装:DFN1006;类型:单路双向 ESD TVS;
  • 满足 IEC 61000-4-2 / IEC 61000-4-4 等抗静电与快速脉冲标准,适合需要符合 EMC 要求的设计。
    如需器件 Datasheet、封装尺寸图或 PCB 参考封装,请提供联系信息或直接联系供应商获取详细资料与样片测试支持。

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