WMSIC Electronic Components

KUU AZ1143-04F

ModelAZ1143-04F
PackageDFN2510-10
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 AZ1143-04F
Type
KUU
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
KUU
Electronic Component
AZ1143-04F
Electronic Component
1
Package
DFN2510-10
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.022g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
0.2pF
Electronic Component
BM0231142809
Operating Temperature
55℃~+125℃
Voltage
14V
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.

AZ1143-04F 产品概述

一、简介

AZ1143-04F 是 KUU 公司推出的一款四路低容抗静电/浪涌保护器件,封装为 DFN2510-10。器件针对 3.3V 工作电压系统设计,结合极低结电容与较高脉冲吸收能力,适用于对高速信号线和敏感电源线的瞬态过压保护需求。

二、主要性能参数

  • 反向截止电压 (Vrwm):3.3 V(适用于 3.3V 系统)
  • 击穿电压(典型):4.2 V
  • 钳位电压(典型):14 V
  • 峰值脉冲功率 (Ppp):56 W
  • 反向电流 (Ir):1 μA(在 Vrwm 条件下)
  • 结电容 (Cj):0.2 pF(单通道)
  • 通道数:4 路
  • 工作温度范围:-55 ℃ ~ +125 ℃
  • 抗扰等级:满足 IEC 61000-4-2(ESD)与 IEC 61000-4-4(EFT)标准

三、关键特性与优势

  • 低结电容(0.2 pF):最大限度降低对高速信号的带宽影响,适合 USB、HDMI、Ethernet 等高速接口的线路保护。
  • 四路集成:单芯片即可保护多路信号线或组合保护信号与电源线,节省 PCB 面积和成本。
  • 高脉冲功率吸收(56 W):能够承受常见电磁干扰与短时浪涌事件,提升系统可靠性。
  • 宽温度工作范围与低漏电流:适应工业级环境要求,确保在高温或低温下仍能保持稳定漏电性能。

四、典型应用场景

  • 工业控制与自动化设备的数字/模拟信号线防护
  • 通信接口(如 3.3V TTL/CMOS 接口)、高速数据链路的 ESD 防护
  • 消费电子、物联网终端中对多路信号/电源的瞬态抑制
  • 汽车电子(非安全关键应用)与严苛环境下的抗扰动设计

五、封装与热管理

DFN2510-10 小封装有助于提高集成度,但对焊接工艺与 PCB 热散设计有一定要求。建议在焊盘周围保留适当铜箔面积以改善热量分散,并按照厂商推荐的回流曲线进行焊接,避免长期高温导致性能退化。

六、典型使用建议

  • 将器件靠近需保护的接口布置,最短走线可获得最佳保护效果。
  • 对于差分信号,请根据具体拓扑确认四路分配(如两对差分线 + 两条电源/地线)。
  • 留意钳位电压(14 V),在设计中保证下游器件在钳位电压下不会被损坏;必要时与限流措施或更低钳位器件配合使用。
  • 对高可靠性应用,建议在 PCB 上做过压指示与可替换设计以便维护。

七、合规与可靠性

AZ1143-04F 标注支持 IEC 61000-4-2 与 IEC 61000-4-4 等电磁兼容测试,能够应对典型的静电放电与快速瞬态脉冲干扰。器件工作温度覆盖 -55 ℃ 至 +125 ℃,适合工业级产品设计。

八、注意事项

  • 规格中钳位值、峰值功率等通常为典型或在特定脉冲波形下测得,实际保护能力受测试条件影响,应参考完整数据手册并在系统级进行验证。
  • 在选型时确认器件单向/双向特性与系统需求一致,如有不确定请咨询供应商或参考详尽数据手册。

总结:AZ1143-04F 以其四路集成、超低结电容与工业级工作温度,适合对 3.3V 系统中高速信号与电源线进行可靠的瞬态过压保护,是需要体积小、对信号完整性要求高的场合的理想选择。

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