WMSIC Electronic Components

JUXING SS14

ModelSS14
PackageSMA(DO-214AC)
BrandJUXING
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
JUXING SS14
Type
JUXING
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
JUXING
Electronic Component
SS14
Electronic Component
1
Package
SMA(DO-214AC)
Electronic Component
Schottky Diode
Electronic Component
0.099g
Electronic Component
1
Electronic Component
BM0265602187
Current
1A
Diode
Electronic Component
Current(Ir)
500uA@40V
(Vf)
550mV@1A
Electronic Component
65℃~+150℃
Electronic Component
Electronic Component
Electronic Component
5000

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

SS14肖特基二极管产品概述

SS14是JUXING(钜兴)品牌推出的独立式肖特基整流二极管,采用SMA(DO-214AC)表面贴装封装,以低正向压降、宽温适应性为核心优势,广泛应用于中小功率电源、LED驱动、开关续流等场景,是电子设计中常用的基础整流器件。

一、产品核心身份与定位

SS14属于低电压肖特基二极管,区别于传统硅整流二极管,其核心是利用金属-半导体接触的肖特基势垒实现单向导电,具有开关速度快、正向压降低的特点。该器件为独立式封装(无并联/串联结构),适合单颗独立使用或阵列组合,满足不同功率需求的灵活设计。

二、关键电气参数深度解析

SS14的电气参数直接决定其应用范围,核心参数及实际意义如下:

  1. 正向压降(Vf):550mV@1A(典型值)—— 远低于普通硅二极管(约700mV),导通损耗低,可有效减少电路发热,提升电源效率;
  2. 直流反向耐压(Vr):40V—— 适用于低压直流电路的反向截止,避免反向击穿,满足常见5V/12V供电系统的耐压需求;
  3. 连续整流电流(If):1A—— 额定连续工作电流,可稳定承载1A以内的正向电流,适配中小功率设备;
  4. 反向漏电流(Ir):500μA@40V—— 反向耐压下漏电流小,减少待机功耗,尤其适合便携式设备提升续航;
  5. 非重复峰值浪涌电流(Ifsm):30A(8.3ms半波)—— 可承受开机瞬间、负载突变等大电流冲击,避免器件损坏;
  6. 工作结温范围:-65℃~+150℃—— 宽温度区间覆盖工业级、车载级等严苛环境,高低温下性能稳定。

三、封装形式与物理特性

SS14采用SMA(DO-214AC)表面贴装封装,具有以下实用特点:

  • 体积紧凑:尺寸约2.7mm×1.7mm×1.0mm(参考标准SMA封装),节省PCB空间,适配智能手表、蓝牙耳机等小型化设备;
  • 安装便捷:表面贴装设计,兼容自动化贴装生产线,提升批量生产效率;
  • 引脚定义清晰:标准阳极(A)、阴极(K)引脚布局,便于电路设计与焊接,避免极性错误;
  • 散热性能:封装采用热导率较好的材料,结合低正向压降特性,1A连续工作下无需额外散热片,仅需PCB铜箔(≥10mm²)辅助散热即可。

四、典型应用场景梳理

SS14的参数特性决定了其广泛的应用场景,主要包括:

  1. 中小功率开关电源:如手机充电器、机顶盒电源、路由器电源等,作为整流二极管或续流二极管,低Vf减少发热,提升电源转换效率;
  2. LED驱动电路:低压降特性可降低驱动电路功耗,适合5V/12V供电的LED模组(如台灯、显示屏背光);
  3. 开关续流应用:在DC-DC转换器、继电器驱动电路中,作为续流二极管快速关断反向电流,保护MOS管等开关器件;
  4. 消费电子:智能家电(如加湿器、扫地机器人)、便携式设备(如移动电源)等,满足小电流整流需求;
  5. 汽车电子:-65℃~+150℃宽温范围,适合车载充电器、仪表盘电路等严苛环境。

五、可靠性与环境适应性

SS14具备良好的可靠性,主要体现在:

  • 宽温稳定性:结温范围覆盖极端温度,可在北方户外设备(低温)或电源内部(高温)稳定工作;
  • 浪涌耐受能力:30A非重复浪涌电流可应对电路中的瞬间冲击,降低器件损坏概率;
  • 低漏电流:500μA反向漏电流在待机状态下功耗极低,提升设备续航;
  • 品牌保障:JUXING(钜兴)作为国内成熟品牌,产品经过温度循环、湿度测试等可靠性验证,符合工业级标准。

六、选型与使用注意事项

  1. 参数限制:连续工作电流不超过1A,反向电压不超过40V,结温不超过150℃,避免过载;
  2. 焊接要求:回流焊峰值温度≤260℃(时间≤30s),手工焊接温度≤350℃(时间≤3s),避免过热损坏;
  3. 散热设计:长期1A工作时,PCB需预留足够铜箔面积辅助散热;
  4. 极性确认:焊接前需通过引脚标识(如阴极带色环)确认极性,避免反接导致器件击穿。

综上,SS14肖特基二极管以其低正向压降、宽温适应性、紧凑封装等优势,成为中小功率电子设计中的常用器件,可满足多种场景下的整流与续流需求。

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