WMSIC Electronic Components

KUU DS34W

ModelDS34W
PackageSOD-123FL
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 26+

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Technical data

Product details

19 specifications

Core information

Product name
KUU DS34W
Type
KUU
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
KUU
Electronic Component
DS34W
Electronic Component
1
Package
SOD-123FL
Electronic Component
Schottky Diode
Electronic Component
0.038g
Electronic Component
1
Electronic Component
BM0264873519
Current
3A
Diode
Electronic Component
Current(Ir)
300uA@40V
(Vf)
700mV@3A
Electronic Component
55℃~+150℃
Electronic Component
Electronic Component
Electronic Component
3000

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

DS34W 独立式二极管产品概述

一、产品定位与核心价值

DS34W是KUU品牌推出的独立式二极管,针对中低电压、中小功率场景的整流与续流需求设计,核心价值聚焦于「高效低耗、抗冲击性强、小型化适配」三大方向,可覆盖消费电子、汽车电子、工业控制等多领域的常规应用,是替代传统高损耗硅管的优选方案。

二、关键电气参数解析

DS34W的电气性能经过针对性优化,核心参数匹配实际应用需求:

  • 正向压降(Vf):典型值700mV(@3A连续电流),相比传统硅整流管1V+的压降,可降低约30%导通损耗,直接提升系统能效;
  • 直流反向耐压(Vr):额定40V,满足5V/12V等低压系统的反向耐压要求,避免反向击穿风险;
  • 连续整流电流(If):额定3A,可稳定承载持续工作电流,适配小型电源、驱动电路的负载需求;
  • 反向漏电流(Ir):典型值300μA(@40V反向电压),低漏损特性减少待机功耗,适合对能效敏感的场景(如移动电源);
  • 非重复峰值浪涌电流(Ifsm):最大80A(10ms脉冲),具备较强瞬态冲击耐受能力,可应对电源启动、负载突变等瞬间大电流场景;
  • 工作结温范围:-55℃~+150℃,覆盖工业级宽温环境,可在低温(车载冬季)或高温(电源模块内部)下稳定工作。

三、封装与可靠性设计

DS34W采用SOD-123FL封装,具备以下设计优势:

  • 小型化:封装尺寸紧凑(典型1.6mm×0.8mm×0.6mm),适配高密度PCB设计,可有效缩小终端产品体积(如便携式设备、小型电源);
  • 散热性能:封装结构优化热传导路径,配合150℃最大结温设计,满足持续工作时的散热需求,避免过热失效;
  • 可靠性:采用抗老化封装材料,符合工业级可靠性标准,可应对振动、湿度等复杂环境的长期考验。

四、典型应用场景

DS34W的参数特性使其适配多类场景,常见应用包括:

  1. 低压直流电源:5V/12V小型开关电源的整流二极管(如机顶盒、路由器电源模块);
  2. 便携式电子设备:手机、平板、智能手环的充电电路续流二极管,或电池保护电路的防反二极管;
  3. 汽车电子辅助系统:车载传感器、小功率继电器、车灯驱动电路的续流/整流元件(适配车载-40℃~+85℃环境);
  4. 工业控制模块:小型PLC、电机驱动板的续流二极管,或低电压信号整流电路;
  5. 消费电子配件:移动电源、充电器的整流/续流元件,提升能效与可靠性。

五、选型与使用注意事项

为确保DS34W稳定工作,需注意以下要点:

  1. 电压匹配:实际反向电压需低于40V额定值,避免过压击穿;
  2. 电流降额:连续工作电流建议不超过2.5A(降额20%),避免长期过载;
  3. 浪涌防护:虽具备80A浪涌能力,但针对雷击、电源瞬变等极端场景,建议配合TVS管等防护元件;
  4. 散热设计:PCB焊盘需预留≥10mm²铜箔面积,或通过过孔连接底层铜箔,降低热阻;
  5. 焊接规范:回流焊峰值温度≤260℃(时间≤10s),避免焊接损伤封装。

DS34W以平衡的性能与成本优势,成为中低电压场景下的实用型二极管,可满足多数常规电子设备的整流/续流需求。

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