WMSIC Electronic Components

KUU AZ5325-01F

ModelAZ5325-01F
PackageDFN1006
BrandKUU
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
KUU AZ5325-01F
Type
KUU
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
KUU
Electronic Component
AZ5325-01F
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
BM0258756609
Operating Temperature
55℃~+125℃
Voltage
15V
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.

AZ5325-01F 产品概述

一、概述与主要参数

AZ5325-01F 是一款高可靠性的单路双向瞬态电压抑制(ESD)器件,针对敏感接口与高速信号线的静电放电与脉冲干扰防护而设计。该器件由 KUU 品牌提供,采用紧凑的 DFN1006 封装,适合空间受限的表面贴装应用。

主要参数(概要)

  • 极性:双向
  • 反向截止电压 Vrwm:5 V
  • 击穿电压(典型):6 V
  • 钳位电压 Vclamp:15 V
  • 峰值脉冲电流 Ipp:5 A
  • 峰值脉冲功率 Ppp:100 W
  • 反向电流 Ir:1 μA
  • 结电容 Cj:8 pF
  • 通道数:单路
  • 工作温度:-55 ℃ ~ +125 ℃
  • 防护等级:符合 IEC 61000-4-2(ESD)与 IEC 61000-4-4(EFT)
  • 封装:DFN1006

二、电气性能详解

  • Vrwm = 5 V:器件在直流或静态工作条件下可承受 5 V 的连续工作电压,适合 5 V 及以下系统的接口保护。
  • 击穿电压 ≈ 6 V:当浪涌电压超过该值时进入导通状态,起到将过电压钳制到安全电平的作用。
  • 钳位电压 15 V:在峰值脉冲作用下,器件将瞬态电压钳制在约 15 V,保护下游电路不过压。
  • 峰值脉冲电流与功率(Ipp 5 A,Ppp 100 W):能够承受短时高能量的冲击,适用于常见的人体静电放电与脉冲干扰场景。
  • 低漏电流(Ir 1 μA):工作状态下流过器件的漏电较小,不会显著影响高阻线路或灵敏模拟电路。
  • 低结电容(Cj 8 pF):对高速差分信号和高频线路影响小,可用于对带宽敏感的接口保护(如高速数据线、串行总线信号线等)。

三、封装与环境适应性

  • DFN1006 小型贴片封装,利于在紧凑 PCB 布局中靠近接口处放置,减小串联电感与走线长度。
  • 宽工作温度范围(-55 ~ +125 ℃)保证在工业级与消费级环境下均能可靠工作。
  • 满足 IEC 61000-4-2 与 IEC 61000-4-4 等抗扰度标准,说明器件在静电放电与快速瞬变脉冲方面具有良好防护能力。

四、典型应用场景

  • USB、HDMI、音视频输入/输出等 5 V 类接口的端口防护;
  • 高速差分信号线与接口的线路级保护(数据线、串口、CAN、LVDS 等);
  • 工业控制、通信设备、智能终端、车载辅助电子(非安全关键电源保护)等场景的接口保护;
  • 人机界面(按键、触摸屏外露线)、外部连接器进线处的防静电和浪涌保护。

五、设计与布局建议

  • 尽量将 AZ5325-01F 放置在被保护的连接器或接口的最靠近处,以缩短受保护信号到器件的走线长度,降低串联电感与接收能量。
  • 使用短而宽的 PCB 走线与合适的接地回流,当需接地时保证接地平面连续并在器件附近布置足够的地 via,以便快速、安全地导流到系统地。
  • 对于差分信号线,双向 TVS 可按线对直接布置(线对间或线对对地),根据系统拓扑选择最佳接法;避免在敏感模拟参考点附近接入不必要的旁路路径。
  • 在焊接与回流工艺上,按 DFN1006 推荐封装与焊盘设计进行,避免过多焊膏导致焊点剥落或虚焊。
  • 如果系统对钳位电压或结电容有极端要求,应在原理图阶段进行信号完整性与电磁兼容(EMC)仿真与实验验证。

六、选型与注意事项

  • AZ5325-01F 适用于要求双向保护、工作电压在 5 V 附近且对结电容敏感的应用。
  • 若系统工作电压高于 Vrwm(5 V),应选择更高 Vrwm 的器件或采用其他保护拓扑。
  • 钳位电压 15 V 在短时冲击保护中有效,但并不能替代系统级过压保护;对持续高能量、长时间冲击或电源级浪涌,应配合其他保护器件(如熔断器、限流器)共同设计。
  • 在高频高速信号路径中,虽然 8 pF 属于较低电容,但仍需在设计阶段评估对信号完整性的影响,必要时在样机上进行测量验证。

总结:AZ5325-01F 以其双向保护能力、低结电容、紧凑 DFN1006 封装和良好的抗扰等级,适合在空间受限且对信号带宽有要求的 5 V 类接口和高速数据线的瞬态防护场景。合理的 PCB 布局与配套保护策略可充分发挥其性能,提升系统抗干扰能力与可靠性。

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