WMSIC Electronic Components

LGE S2Y

ModelS2Y
PackageSMA(DO-214AC)
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 S2Y
Type
LGE
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
LGE
Electronic Component
S2Y
Electronic Component
1
Package
SMA(DO-214AC)
Electronic Component
General Purpose Diode
Electronic Component
0.182g
Electronic Component
1
Electronic Component
BM0228289465
Current
2A
Diode
Electronic Component
Current(Ir)
5uA@2kV
(Vf)
1.15V@2A
Electronic Component
50℃~+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.

S2Y 产品概述

S2Y 是 LGE(鲁光)推出的一款高压通用整流二极管,采用 SMA(DO-214AC)表面贴装封装,属于独立式(离散)器件。凭借 2kV 的高反向耐压和 2A 的整流电流能力,结合低反向漏流与较大的浪涌承受能力,S2Y 非常适合需要高压整流、脉冲耐受以及体积受限的电源与高压模块应用。

一、主要特性

  • 器件类型:独立式通用整流二极管(SMA 封装,DO-214AC)
  • 品牌:LGE(鲁光)
  • 正向压降:Vf = 1.15V @ If = 2A
  • 直流反向耐压:Vr = 2000V (2kV)
  • 额定整流电流:If(AV) = 2A
  • 反向漏流:Ir = 5 μA @ Vr = 2kV
  • 非重复峰值浪涌电流:Ifsm = 55A
  • 工作结温范围:-50 ℃ ~ +150 ℃
  • 封装优点:小尺寸表贴,便于自动化贴装与高密度布板

二、典型电气性能(关键参数)

  • 正向特性:在 2A 时正向压降约 1.15V,适合中小功率整流场合。
  • 反向特性:高达 2kV 的反向耐压并保持微小漏电(5 μA),适用于高压直流链路。
  • 冲击承受:55A 的非重复峰值浪涌电流允许器件在带有短时浪涌或启动脉冲的系统中安全通过瞬态电流。
  • 温度适应:宽工作结温范围,适合工业级与恶劣环境应用。

三、应用场景

  • 高压整流电源与高压电源模块(高电压直流输出、倍压整流器)
  • 激励源与脉冲电路(需要承受浪涌脉冲的整流或钳位)
  • 功率因数校正(PFC)前端、HV 开关电源的高压侧整流
  • 电离、静电发生器、检测与探测仪器中高压低流路
  • 工业控制与测试设备的高压电路(需注意系统级安全与绝缘)

四、设计建议与注意事项

  • 散热与电流能力:SMA 为小型表贴封装,长期承载 2A 时需在 PCB 上提供足够的铜箔面积与热扩散路径,必要时使用散热层或热沉。建议在设计时进行热仿真并留有余量。
  • 爬电与气隙:2kV 工作电压要求 PCB 设计满足相应的爬电距离与气隙标准(根据产品所在市场的安全规范设定),并考虑使用涂覆或绝缘隔离以防潮湿或污染引发击穿。
  • 反向漏流随温度上升:高电压下的漏电流会随温度增加而显著上升,系统设计应留有反向漏流裕量并在必要时采取降额。
  • 焊接与可靠性:SMA 为表贴封装,推荐遵循制造商的焊接工艺与回流曲线进行装配,避免过高的温度冲击影响寿命。装配后进行外观与电气测试确认。
  • 浪涌保护:Ifsm=55A 对短时浪涌提供支持,但若系统存在更大或多次脉冲,应配合熔断、限流或软启动措施保护器件。

五、测试与品质验证

  • 出厂测试建议包括:正向压降测试(在 2A)、反向耐压及漏电测试(2kV)、峰值浪涌试验(55A 峰值条件下短时冲击)以及温升/热循环可靠性评估。
  • 生产检验应关注焊点完整性、封装标记、漏电与击穿电压一致性等关键项目。

六、选型提示

  • 若工作电压接近 2kV,请保留充分的安全裕度(电压、温度、污染等级),并考虑采用更高 Vr 的器件或并联/分压策略进行系统级保护。
  • 对于持续大电流应用,评估器件在目标 PCB 布局下的结温与热阻,必要时选择封装更大或带有散热增强的替代产品。
  • 若应用对漏电流极其敏感(如高阻检测回路),请在样片验证时重点评估实际工作温度下的 Ir 表现。

七、总结

S2Y(LGE 鲁光)是一款针对高压整流场合设计的紧凑型、性能平衡的通用二极管,2kV 的耐压、2A 的整流能力以及 55A 的浪涌承受力使其在高压电源、脉冲整流与工业检测等领域具有良好的适用性。合理的 PCB 散热与绝缘设计、恰当的电气降额与保护措施,能确保 S2Y 在长期使用中保持稳定可靠的性能。若需大批量采购或索取详细数据手册(包括封装尺寸、回流曲线与完整典型特性曲线),建议联系 LGE(鲁光)授权渠道获取最新技术资料。

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