WMSIC Electronic Components

LGE S2A

ModelS2A
PackageSMB(DO-214AA)
BrandLGE
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
LGE S2A
Type
LGE
Minimum package
3000

Technical parameters

Electronic Component
LGE
Electronic Component
S2A
Electronic Component
1
Package
SMB(DO-214AA)
Electronic Component
General Purpose Diode
Electronic Component
0.16g
Electronic Component
1
Electronic Component
BM0264826311
Current
2A
Diode
Electronic Component
Current(Ir)
5uA@50V
(Vf)
1.15V@2A
Electronic Component
55℃~+150℃
Electronic Component
3000
Voltage Rating(Vr)
50V
Surge Current (Ifsm)
50A

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

S2A通用整流二极管产品概述

一、产品核心定位与典型应用场景

S2A属于低电压大电流通用整流二极管,专为小功率直流电源、低压电路整流设计,核心定位是“高效、可靠、小型化”。其2A持续整流电流与50V反向耐压的组合,适配多种低电压场景:

  1. 家电领域:小型充电器(手机、耳机)、LED台灯驱动电源、小家电控制板整流;
  2. 工业控制:小型PLC模块、传感器供电电路、低压直流电源整流;
  3. 消费电子:便携式设备(充电宝、蓝牙音箱)的电源转换电路;
  4. 汽车电子:车载低压辅助电路(如点烟器扩展、LED氛围灯)的整流环节。

该产品通过表面贴装封装适配现代电子设备的小型化需求,避免了插件式器件的体积限制,同时满足宽温环境下的稳定工作。

二、关键电气性能参数深度解析

S2A的电气参数针对低压整流场景做了优化,核心参数及意义如下:

  • 正向压降(Vf):1.15V@2A:在额定电流下保持低压降,有效降低整流损耗,提升电源转换效率(相比部分传统二极管压降低0.1-0.2V,适合对效率敏感的小功率电源);
  • 直流反向耐压(Vr):50V:满足低压直流电路的反向阻断需求,避免反向击穿,适配多数≤48V的低压系统;
  • 整流电流(Io):2A:持续工作电流能力,可稳定承载2A直流负载(降额使用时更可靠,建议实际负载≤1.6A以延长寿命);
  • 反向漏电流(Ir):5uA@50V:反向阻断时漏电流极小,减少静态功耗,提升电路稳定性(漏电流远低于行业平均水平,适合对功耗敏感的便携式设备);
  • 非重复峰值浪涌电流(Ifsm):50A:抗瞬时冲击能力强,可应对开机瞬间、负载突变等浪涌场景(如LED驱动开机时的瞬时电流冲击);
  • 工作结温范围:-55℃~+150℃:宽温适应能力,覆盖工业级(-40℃+85℃)与汽车级(-40℃+125℃)部分场景,可在极端环境下稳定工作。

三、封装形式与可靠性设计

S2A采用SMB(DO-214AA)表面贴装封装,该封装的设计优势显著:

  1. 小型化与集成度:体积仅约3.5mm×2.5mm×1.5mm,相比插件式DO-15封装体积缩小60%以上,适配高密度PCB设计;
  2. 散热性能:封装采用高导热材料,结到壳热阻低(典型值15℃/W),可有效散发布尔效应产生的热量,满足2A持续电流的散热需求;
  3. 焊接可靠性:引脚采用无铅镀锡工艺,兼容回流焊、波峰焊等表面贴装工艺,焊接强度高,长期使用不易脱焊;
  4. 环保合规:符合RoHS、REACH等环保标准,不含铅、镉等有害物质,适配出口产品与绿色制造需求。

四、品牌背景与品质保障

S2A由LGE(鲁光电子) 生产,鲁光电子是国内知名半导体器件制造商,专注于整流二极管、稳压管等产品研发近20年,核心优势包括:

  • 参数一致性:采用自动化生产与测试设备,每批次产品参数偏差≤5%,避免因器件差异导致的电路性能波动;
  • 可靠性测试:产品通过高低温循环(-55℃~+150℃,1000次)、浪涌测试(50A冲击100次)、湿度测试(85℃/85%RH,1000h)等行业标准测试,MTBF(平均无故障时间)≥10^6小时;
  • 供应链稳定性:拥有成熟的原材料供应链与生产体系,可稳定供应批量订单,适配客户量产需求。

五、选型与应用注意事项

为确保S2A的稳定工作,需注意以下事项:

  1. 电压适配:直流反向电压不得超过50V,交流峰值电压需降额至≤35V(避免反向击穿);
  2. 电流降额:持续工作电流建议≤1.6A(降额20%),避免长期过载导致结温过高;
  3. 焊接工艺:回流焊温度峰值≤260℃(时间≤10s),波峰焊温度≤245℃(时间≤5s),避免高温损坏器件;
  4. 散热设计:若负载电流接近2A,需在PCB上增加散热铜箔(建议面积≥10mm²),提升散热效率;
  5. 替代参考:同参数可替代型号包括ST的1N5819(SMB封装)、ON的1N4002(SMB封装)等,但需注意正向压降差异(部分型号Vf≥1.2V)。

S2A凭借低损耗、高可靠性与小型化设计,成为低压整流场景的优选器件,可满足多数消费电子、工业控制与家电领域的整流需求。

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