WMSIC Electronic Components

FUXINSEMI UDD32C15L01

ModelUDD32C15L01
PackageSOD-323
BrandFUXINSEMI
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
FUXINSEMI UDD32C15L01
Type
FUXINSEMI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
FUXINSEMI
Electronic Component
UDD32C15L01
Electronic Component
1
Package
SOD-323
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.059g
Electronic Component
1
Channel Count
Electronic Component
Cj- Capacitor
0.8pF
Electronic Component
BM0265332218
Voltage
31.8V
Current(Ir)
1uA
Voltage(VBR)
16.7V

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

UDD32C15L01 瞬态抑制二极管(TVS)产品概述

一、产品定位与核心价值

UDD32C15L01是富芯森美(FUXINSEMI)推出的双向瞬态抑制二极管(TVS),核心作用是为电子设备提供瞬态过压防护,针对15V级电源系统或高速信号线路设计。它兼具小封装、低电容、高浪涌承受能力等特点,可有效抑制静电放电(ESD)、雷击浪涌、电源尖峰等瞬态干扰,保护后端敏感元件(如MCU、射频芯片、传感器)免受损坏,是消费电子、IoT等小型化设备的理想防护器件。

二、关键性能参数解析

该器件的参数精准匹配15V系统防护需求,核心性能如下:

  • 双向极性设计:无需区分正负极安装,简化电路设计与生产工艺,尤其适合空间紧凑的小型设备;
  • 反向截止电压(Vrwm=15V):对应12V/15V典型电源系统的正常工作电压,静态下不导通,不影响系统供电;
  • 钳位电压(Vc=31.8V@8/20μs):遭遇8/20μs标准浪涌脉冲时,快速将电压钳位在31.8V以内,远低于后端器件耐压极限(如MCU多为3.3V/5V/12V);
  • 峰值脉冲功率(Ppp=350W):可承受单次350W瞬态浪涌,满足IEC 61000-4-5浪涌测试(如2kV组合波)的基本防护需求;
  • 低结电容(Cj=0.8pF):结电容仅0.8pF,对高速信号(USB 2.0/3.0、蓝牙、WiFi)传输损耗极小,不导致信号失真;
  • 低反向漏电流(Ir=1μA):静态漏电流仅1μA,几乎不消耗系统功率,适配低功耗设备(智能穿戴、IoT传感器);
  • 稳定击穿电压(Vbr=16.7V):击穿电压比反向截止电压高1.7V,确保过压时快速响应导通。

三、封装与适用场景

UDD32C15L01采用SOD-323封装(尺寸约1.6mm×0.8mm×0.6mm),体积小、重量轻、散热性好,适用于以下场景:

  1. 消费电子终端:智能手机、平板电脑的USB充电/数据接口、耳机接口防护;
  2. 智能穿戴设备:智能手表、手环的电源模块、蓝牙通信接口防护;
  3. IoT小型设备:智能家居传感器(温湿度、人体感应)、无线节点的电源与射频接口防护;
  4. 通信模块:蓝牙、WiFi、LoRa射频模块的信号输入输出防护;
  5. 小型工业控制:微型PLC、传感器模块的电源输入浪涌防护(常规TVS覆盖-55℃~150℃宽温)。

四、电路设计注意事项

为最大化防护效果,设计时需注意:

  • 布局靠近防护点:器件应紧邻被保护接口或敏感元件,减少引线电感导致的浪涌残留;
  • 双向无需极性区分:安装时直接焊接即可,无需考虑正负极,提高生产效率;
  • 限流电阻配合:若浪涌电流较大,可串联10Ω~100Ω小阻值电阻(不影响正常电流),进一步限制浪涌;
  • 降额使用建议:工业级场景建议将峰值功率降额至250W以内,延长器件寿命。

五、产品优势总结

UDD32C15L01的核心优势在于**“小封装+低电容+双向防护”的平衡**:既满足小型化设备的空间需求,又适配高速信号的低损耗要求,双向设计简化流程。相比同类器件,其0.8pF结电容更适合信号质量要求高的场景,350W峰值功率覆盖多数消费级与部分工业级浪涌需求,是15V系统过压防护的高性价比选择。

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