WMSIC Electronic Components

UMW NUP1301

ModelNUP1301
PackageSOT-23
BrandUMW
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+

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Technical data

Product details

19 specifications

Core information

Product name
UMW NUP1301
Type
UMW
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
UMW
Electronic Component
NUP1301
Electronic Component
1
Package
SOT-23
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.032g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
0.9pF
Electronic Component
BM0265570281
Electronic Component
IEC 61000-4-2
Current(Ir)
50uA
Voltage(VBR)
70V

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

UMW NUP1301 双路ESD防护TVS二极管产品概述

一、产品定位与核心设计方向

UMW NUP1301是一款专为高速信号链路优化的双路双向ESD防护TVS二极管,核心目标是在保障信号完整性的前提下,为敏感电子电路提供可靠的静电放电(ESD)防护,同时适配小型化、低功耗的设计需求。产品针对消费电子、通信设备等领域的高速接口场景,平衡了防护性能与信号传输质量,是替代传统单路ESD器件的高性价比选择。

二、关键电气参数解析

NUP1301的电气参数精准匹配高速信号防护需求,核心参数及实际意义如下:

  • 双向极性:无需区分信号方向,可同时抑制正负静电脉冲,简化电路设计;
  • 70V反向截止电压(Vrwm):静态工作时二极管反向截止,可承受最大直流/脉冲电压,避免对正常信号造成干扰;
  • 70V击穿电压:ESD事件触发时快速导通,将浪涌电压钳位至70V左右,保护后端敏感器件(如处理器、传感器);
  • 50μA反向漏电流:低漏电流设计减少静态功耗,适配低功耗电子设备(如智能手机、可穿戴设备);
  • 0.9pF结电容(Cj):极低结电容是核心优势,对高速信号(USB3.0、HDMI、LVDS等)的传输延迟、损耗影响极小,避免信号完整性问题;
  • 双路通道:单颗器件可同时防护两路独立信号链路,节省PCB空间,降低BOM成本。

三、封装与物理特性

NUP1301采用SOT-23-3(TO-236)表面贴装封装,具备以下物理优势:

  • 紧凑尺寸:封装尺寸约2.9×1.3×1.1mm(典型值),适配小型化电子设备的高密度PCB布局;
  • 自动化贴装兼容:表面贴装工艺适配大规模批量生产,降低制造成本;
  • 清晰引脚定义:3引脚设计(两路信号端+地端),电路布局简单,易与后端器件对接,无需额外复杂布线。

四、防护性能与标准合规

NUP1301严格遵循国际ESD防护标准,核心防护能力及合规性:

  • 符合IEC 61000-4-2标准:覆盖静电放电的接触放电(人体模型)与空气放电场景,可有效抑制静电脉冲对电路的冲击;
  • 1ns级响应时间:ESD事件触发时瞬间导通,快速钳位浪涌电压,避免后端器件因过压损坏;
  • 浪涌冗余设计:具备一定的浪涌耐受能力,可应对日常使用中的静电累积(如插拔接口、人体接触)与突发浪涌。

五、典型应用场景

NUP1301的参数特性使其适配多类高速信号防护场景:

  1. 消费电子终端:智能手机、平板电脑、笔记本电脑的USB接口、HDMI接口、音频接口防护;
  2. 通信设备:路由器、交换机、无线AP的以太网接口、射频(RF)接口防护;
  3. 工业控制设备:PLC、传感器模块的信号输入输出接口防护;
  4. 车载电子(辅助):车载信息娱乐系统的USB、蓝牙接口防护(适配-40℃~85℃车载环境,需结合整车级认证)。

六、选型与使用注意事项

  1. 电压匹配:需确保后端电路工作电压不超过NUP1301的Vrwm(70V),避免器件反向击穿;
  2. 信号速率适配:0.9pF结电容适合1Gbps以上高速信号(如USB3.0、HDMI1.4),超高速信号(如USB4.0)需结合信号完整性分析;
  3. 布局建议:器件应尽可能靠近信号接口端贴装,减少寄生电感,提升防护效率;
  4. 温度范围:工作温度为-55℃~125℃,适配工业级与消费级环境,满足宽温场景需求。

NUP1301凭借双路防护、低结电容、紧凑封装等优势,成为高速信号链路ESD防护的高性价比选择,广泛应用于各类电子设备的接口防护设计。

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