WMSIC Electronic Components

KUU SS24L

ModelSS24L
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+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
KUU SS24L
Type
KUU
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
KUU
Electronic Component
SS24L
Electronic Component
1
Package
SOD-123FL
Electronic Component
Schottky Diode
Electronic Component
0.039g
Electronic Component
1
Electronic Component
BM0264873490
Current
2A
Diode
1
Current(Ir)
500uA@40V
(Vf)
550mV@2A
Electronic Component
55℃~+125℃
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.

KUU SS24L 肖特基整流二极管产品概述

KUU SS24L是一款专为低压整流场景优化的2A/40V表面贴装肖特基二极管,采用紧凑的SOD-123FL封装,以低正向压降、高可靠性和宽温适应性为核心特点,广泛适配便携式电子、工业控制及电源模块等应用需求。

一、产品定位与核心优势

SS24L定位于中等功率低压整流器件,核心优势体现在三个维度:

  1. 低功耗高效能:正向压降仅550mV(@2A连续电流),远低于传统硅整流二极管(典型值1V以上),可显著降低整流电路的功率损耗,提升电源转换效率;
  2. 小体积高密度:SOD-123FL封装尺寸仅为2.0×1.25mm(典型值),比传统DO-214AC(SMA)封装缩小约50%,适合对空间敏感的便携式设备及高密度PCB设计;
  3. 宽温可靠稳定:工作结温范围覆盖-55℃至+125℃,满足工业级环境(如户外设备、车载辅助电路)的温度波动需求,反向漏电流控制在500μA(@40V反向电压)以内,长期工作可靠性高。

二、关键电气参数解析

SS24L的电气参数经过精准优化,匹配低压整流场景的核心需求:

  • 正向压降(Vf):550mV@2A(25℃),依托肖特基二极管“金属-半导体接触势垒”特性实现低导通损耗,适合5V/12V等低压系统的整流;
  • 直流反向耐压(Vr):40V(最大值),满足大部分低压电源的反向耐压需求(如12V系统的2倍降额设计),避免反向击穿风险;
  • 整流电流(If):2A(连续直流电流),可稳定承载中等功率负载(如LED驱动的2A输出),无需额外并联器件;
  • 非重复峰值浪涌电流(Ifsm):40A(8.3ms脉冲,典型浪涌测试条件),能承受开机瞬间或负载突变的脉冲电流,提升电路抗干扰能力;
  • 反向电流(Ir):500μA@40V(25℃),漏电流远低于行业同类产品,减少待机功耗,延长设备续航时间(尤其适合便携式设备)。

三、封装特性与可靠性设计

SS24L采用SOD-123FL表面贴装封装,具备以下设计特点:

  1. 贴装兼容性:符合国际标准的SMD封装,适配自动化贴片机(SMT)生产,焊盘设计简单,可实现高速贴装;
  2. 热性能优化:虽然封装尺寸紧凑,但通过优化芯片与封装的热接触,支持结温125℃的长期工作,需注意PCB设计时适当增加焊盘面积(建议≥1mm²)以辅助散热;
  3. 机械可靠性:封装采用耐高温环氧树脂,抗机械应力能力强,可承受跌落、振动等环境冲击,适合户外或车载应用;
  4. 环保与品质:符合RoHS无铅标准,经过KUU严格的可靠性测试(温度循环、湿度老化等),满足工业级产品的品质要求。

四、典型应用场景

SS24L的参数特性使其适配多类低压整流场景:

  1. 便携式电子设备:手机、平板、智能手表的充电电路(5V/2A输出),利用小封装节省空间,低Vf提升充电效率;
  2. LED驱动电源:低压LED灯带、台灯的整流模块(12V/2A输出),减少功耗发热,延长LED寿命;
  3. 工业控制电路:PLC、传感器模块的辅助电源(24V以下系统),宽温范围适应车间、户外等环境;
  4. 通信设备:路由器、交换机的电源模块(12V/2A),小封装适配高密度PCB设计;
  5. 汽车电子辅助电路:车载充电器、仪表盘背光电源(12V系统),宽温范围满足-40℃至+85℃的车载环境(需确认汽车级认证,参数支持)。

五、选型与使用注意事项

为确保SS24L的稳定工作,需注意以下要点:

  1. 电流裕量:连续工作电流建议不超过1.8A(降额20%),避免长期过载导致结温过高;
  2. 散热设计:SOD-123FL封装热阻较高(典型值120℃/W),持续2A工作时功耗约1.1W,需通过PCB焊盘、铜箔或小型散热片辅助散热;
  3. 反向电压限制:实际应用中反向电压需低于32V(降额20%),避免漏电流增大影响电路性能;
  4. 温度管理:工作环境温度需控制在结温125℃以内,避免在密闭无散热的空间长期工作;
  5. 贴装规范:遵循SOD-123FL的贴装参数(如回流焊温度≤260℃,时间≤30s),避免虚焊或封装损坏。

总结:KUU SS24L凭借低Vf、小封装、宽温可靠的特点,成为低压整流场景的高性价比选择,适合对功耗、空间及可靠性有要求的各类电子设备设计。

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