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LGE SS24
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- LGE SS24
- Type
- LGE
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- LGE
- Electronic Component
- SS24
- Electronic Component
- 1
- Package
- SMB
- Electronic Component
- Schottky Diode
- Electronic Component
- 0.182g
- Electronic Component
- 1
- Electronic Component
- BM0230873940
- Current
- 2A
- Diode
- Electronic Component
- Current(Ir)
- 400uA@40V
- (Vf)
- 500mV@2A
- Electronic Component
- 65℃~+150℃
- 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.
SS24（LGE 鲁光）肖特基二极管（SMB封装）产品概述
一、概述
SS24 为 LGE（鲁光）出品的独立式肖特基整流二极管，采用 SMB 封装，面向中功率整流与保护应用。该器件在 2A 工作电流下具有约 500mV 的正向压降，反向耐压为 40V，并具备较高的浪涌能力，适合开关电源、DC-DC 转换、整流与反向保护等场景。
二、主要参数
- 正向压降：Vf ≈ 500mV @ IF = 2A
- 额定整流电流：IF = 2A（连续）
- 直流反向耐压：Vr = 40V
- 反向电流：Ir = 400μA @ 40V（常温条件下）
- 非重复峰值浪涌电流：Ifsm = 50A（单次脉冲）
- 工作结温范围：-65℃ ～ +150℃
- 封装：SMB（独立式）
三、主要特点
- 低正向压降：在中等电流下 Vf 约 0.5V，有助于降低整流损耗与发热。
- 快速恢复与低储存电荷：提升高频开关效率、减少开关损耗。
- 良好的浪涌承受能力：50A 的非重复峰值适合短时电流冲击（如浪涌或充电启动）。
- 宽工作温度：适应严格工业温度环境。
四、典型应用
- 开关电源次级整流与同步替代元件
- DC-DC 转换器输出整流
- 反向极性与反向电流保护（电池系统）
- 耐压不高的电源模块、适配器与照明驱动
五、热与电气设计要点
- 热耗计算：在满载（2A）且 Vf ≈ 0.5V 时，二极管自身功耗约为 1W，应保证良好散热路径。
- 反向泄漏：Ir 在 40V 时为 400μA，随着结温升高会显著增加。对高阻电路或电池系统需关注漏电导致的能耗或偏置误差。
- 浪涌使用：Ifsm=50A 仅限单次或短脉冲，不能作为长期过流设计依据；需按脉冲宽度与热限进行评估。
- 安装与走线：保持引线最短、铺铜面积大、必要时使用过孔与散热铜铺以降低结温。
六、封装与可靠性
SMB 为中等功率表面贴装封装，机械强度与散热性能介于SMA与SMC之间。焊接时遵循厂家回流曲线，避免过热损伤；长期工作时注意环境湿热对反向漏电和寿命的影响。
七、选型与使用建议
- 若系统工作电压接近或超过 30V，建议在设计时留出足够安全余量或选择更高 Vr 规格器件。
- 对于高温环境或对漏电非常敏感的设计，优先评估在实际结温下的 Ir 值并考虑并联或选型更低漏电的器件。
- 在需要承受频繁浪涌或较长脉冲的场合，评估热冲击并适当加大散热或选用更高峰值 Ifsm 的封装。
八、结语
SS24（LGE 鲁光）以其低正向压降、适中的耐压与良好的浪涌能力，适合多数中功率整流与保护场合。合理的热管理与对反向漏电的评估是保证长期可靠性的关键。在具体应用中，建议参考完整器件数据手册并在目标工况下进行热与电气仿真验证。
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