WMSIC Electronic Components

JUXING SS54L

ModelSS54L
PackageDO-214AC(SMA)
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

14 specifications

Core information

Product name
JUXING SS54L
Type
JUXING
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
JUXING
Electronic Component
SS54L
Electronic Component
1
Package
DO-214AC(SMA)
Electronic Component
Schottky Diode
Electronic Component
0.11g
Electronic Component
1
Electronic Component
BM0265602201
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.

SS54L肖特基二极管产品概述

一、产品核心身份与基本定位

SS54L是JUXING(钜兴) 推出的独立式肖特基二极管,采用DO-214AC(SMA)表面贴装封装,属于中功率低压肖特基器件。其核心定位是为低压直流电路、开关电源等场景提供高效整流、续流及瞬态保护,凭借低正向压降、宽温耐受及抗浪涌能力,适配高密度贴装设计需求。

二、关键电性能参数深度解析

SS54L的电性能参数针对性满足低压中功率场景,核心参数及实际意义如下:

1. 正向压降(Vf):450mV(典型值)

肖特基二极管的核心优势——远低于普通硅PN结二极管(0.6~0.7V),导通时功率损耗仅为( P=Vf \times If=450mV \times 5A=2.25W ),比硅二极管(3.5W)降低36%,显著提升电路效率,减少散热需求。

2. 直流反向耐压(Vr):40V

满足12V/24V等低压直流系统的反向阻断需求,避免电路反向击穿,适配电池组、太阳能充电等低压场景。

3. 额定整流电流(If):5A(直流)

持续工作时的最大允许电流,覆盖常规中功率负载(如小型电机、LED阵列)的整流需求,无需额外并联器件。

4. 反向漏电流(Ir):200μA(@Vr=40V,Ta=25℃)

反向状态下漏电流极小,减少待机损耗,提升电路稳定性(尤其适合低功耗设备)。

5. 非重复峰值浪涌电流(Ifsm):110A(8.3ms半波)

可耐受突发浪涌(如开机瞬间、负载突变、汽车启动冲击),增强电路抗干扰能力,避免器件损坏。

6. 工作结温范围:-55℃~+150℃

宽温环境下保持性能稳定,适应工业控制(-4085℃)、汽车舱内(-40125℃)等极端温度场景,无需额外散热降额。

三、封装与可靠性设计特点

SS54L采用DO-214AC(SMA)表面贴装封装,具备以下优势:

  • 体积紧凑:尺寸约2.6×5.0×1.6mm,适合高密度PCB设计(如手机充电器、汽车控制器);
  • 焊接可靠:引脚采用可焊性良好的合金材料,符合IPC标准,适配回流焊/波峰焊工艺;
  • 环境耐受:封装材料耐高温、耐腐蚀,通过湿热老化测试(85℃/85%RH),长期可靠性稳定;
  • 一致性好:批量生产符合行业标准,参数离散性小,便于电路批量设计。

四、典型应用场景梳理

SS54L的参数特性使其广泛适配以下场景:

1. 开关电源续流/整流

高频开关电源(如适配器、LED驱动)中,肖特基的低Vf和快速恢复特性(隐含优势)适合续流二极管,减少开关损耗,提升电源转换效率(可达90%以上)。

2. 低压直流电源系统

12V/24V电池组、太阳能充电控制器、电动车辅助电源等,40V耐压足够,5A电流覆盖常规负载,宽温范围适应户外环境。

3. 汽车电子辅助电路

车载充电器、LED尾灯驱动、CAN总线保护等,-55~150℃结温满足汽车舱内极端温度,110A浪涌耐受应对启动冲击。

4. 消费电子小功率模块

手机充电器、智能手表充电底座、蓝牙音箱电源,低损耗提升续航,小封装适配便携设备设计。

5. 电池保护模块

防止电池过充/过放时的反向电流,浪涌能力保护电池免受瞬态冲击(如短路恢复瞬间)。

五、品牌与品质保障

JUXING(钜兴)是国内专注功率器件的专业制造商,SS54L具备以下品质背书:

  • 环保合规:符合RoHS无铅标准,不含铅、镉等有害物质;
  • 体系认证:通过ISO9001质量体系认证,生产流程严格管控;
  • 可靠性验证:经过高低温循环(-55~150℃,1000次)、浪涌测试(110A,100次)、焊接可靠性测试,满足工业级品质要求;
  • 成本优势:性价比高,适合批量量产场景。

总结

SS54L肖特基二极管凭借低损耗、宽温、抗浪涌、小封装四大核心优势,成为低压中功率整流场景的高性价比选择,广泛适配消费电子、工业控制、汽车电子等领域的设计需求,是工程师优化电路效率与可靠性的实用器件。

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