WMSIC Electronic Components

FOSAN DSK14W

ModelDSK14W
PackageSOD-123FL
BrandFOSAN
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
FOSAN DSK14W
Type
FOSAN
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
FOSAN
Electronic Component
DSK14W
Electronic Component
1
Package
SOD-123FL
Electronic Component
Schottky Diode
Electronic Component
0.036g
Electronic Component
1
Electronic Component
BM0264881639
Current
1A
Diode
1
Current(Ir)
200uA@40V
(Vf)
700mV@1A
Electronic Component
65℃~+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.

DSK14W肖特基二极管产品概述

一、产品核心定位与类型

DSK14W是FOSAN(富信)推出的低压肖特基整流二极管,针对小功率电子电路的快速整流、续流需求设计,兼具低正向压降、高开关速度与小封装特性,适配高密度PCB布局场景,可广泛应用于消费电子、工业控制及汽车辅助电路等领域。

二、关键电气参数解析

1. 正向压降(Vf):[email protected]

作为肖特基二极管的核心优势,DSK14W的正向压降仅为700mV(1A电流下),相比传统硅整流二极管(典型1V以上)降低约30%,可显著减少整流/续流过程中的功率损耗,提升电路能效,尤其适合对功耗敏感的低电压(5V/12V)应用。

2. 反向耐压(Vr):40V

直流反向耐压达40V,满足绝大多数低压电源系统的反向阻断需求,可有效防止电路反向电压击穿,保障器件及后端电路安全。

3. 整流电流(If):1A

持续整流电流为1A,支持小功率电路的连续工作,同时具备一定的脉冲电流承载能力(需参考 datasheet 具体脉冲参数),适配常规开关电源、DC-DC转换器等场景的电流需求。

4. 反向漏电流(Ir):200uA@40V

反向漏电流仅200uA(40V反向电压下),远低于常规二极管标准,长期工作中漏电稳定,可降低电路待机功耗,提升系统可靠性。

5. 工作结温范围:-65℃~+150℃

宽温度范围覆盖工业级及车载环境(部分汽车应用温度需求),可在极端低温(如-65℃)或高温(如150℃)下稳定工作,适应 harsh 环境的可靠性要求。

三、封装形式与物理特性

DSK14W采用SOD-123FL表面贴装封装,属于小型化无铅封装(符合RoHS标准),尺寸约为2.0mm×1.25mm×0.9mm(参考行业常规规格),适配0805封装尺寸的PCB布局,可有效节省电路板空间,满足高密度设计需求。

封装采用高温回流焊兼容工艺,可通过常规SMT产线贴装,无引脚设计减少焊接缺陷风险,同时具备一定的抗机械应力能力,适合批量生产场景。

四、典型应用场景

  1. 低压DC-DC转换器续流二极管:肖特基的快速开关特性(恢复时间短,ns级)可减少续流损耗,提升转换器效率;
  2. 小型开关电源整流:适配5V/12V输出的小功率电源,低压降降低热损耗;
  3. 移动设备充电电路:如手机、平板的充电模块,小封装适配紧凑空间;
  4. LED驱动电路:低压降减少驱动损耗,提升LED亮度稳定性;
  5. 汽车辅助电路:宽温特性适配车载环境(如仪表盘、传感器辅助电源);
  6. 工业控制模块:-65℃~150℃结温满足工业现场温度波动需求。

五、可靠性与品质保障

FOSAN作为专业功率器件制造商,DSK14W经过严格的可靠性测试:

  • 高低温循环测试(-65℃~150℃,循环500次);
  • 反向耐压耐久性测试(40V下连续工作1000小时,漏电流变化率≤5%);
  • 焊接可靠性测试(回流焊后无开路、短路缺陷);

产品符合IEC 61000、RoHS 2.0等国际标准,可提供完整的测试报告,保障批量应用的一致性与稳定性。

六、产品优势总结

  • 低正向压降:700mV@1A,能效提升明显;
  • 宽温适应性:-65℃~150℃,覆盖多场景;
  • 小封装设计:SOD-123FL,节省PCB空间;
  • 低漏电流:200uA@40V,待机功耗低;
  • 品牌可靠:FOSAN成熟工艺,品质稳定。

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