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DOWO SP5100L
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- DOWO SP5100L
- Type
- DOWO
- Minimum package
- 5000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- DOWO
- Electronic Component
- SP5100L
- Electronic Component
- 1
- Package
- TO-277B
- Electronic Component
- Schottky Diode
- Electronic Component
- 0.168g
- Electronic Component
- 1
- Electronic Component
- BM0264356188
- Current
- 5A
- Diode
- 1
- Current(Ir)
- 200nA@100V
- (Vf)
- 600mV
- Electronic Component
- 55℃~+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.
SP5100L 产品概述
一、产品简介
SP5100L 为 DOWO（东沃）出品的一款肖特基二极管，面向中功率整流与开关电源输入保护场景。器件为单只独立二极管结构，设计注重低正向压降与高耐压兼容，适合要求高速恢复与低损耗的电源与逆变应用。
二、主要参数
- 型号：SP5100L
- 器件类型：肖特基整流二极管（单只）
- 标称正向压降 (Vf)：600 mV（典型/标称值，实际随电流与温度变化）
- 直流反向耐压 (Vr)：100 V
- 额定整流电流：5 A（连续）
- 反向漏电流 (Ir)：200 nA @ 100 V
- 非重复峰值浪涌电流 (Ifsm)：150 A（单次浪涌）
- 工作结温范围：-55 ℃ ~ +150 ℃
- 封装：TO-277B
- 品牌：DOWO（东沃）
三、核心特性与优势
- 低正向压降：600 mV 的标称正向压降有助于降低导通损耗，提高效率，尤其在中等电流整流时能显著降低功耗与发热。
- 高耐压与低漏电：100 V 的反向耐压配合极小的反向电流（200 nA @100 V），适合对反向泄漏敏感的电源输入与保护电路。
- 良好的冲击承受能力：150 A 的非重复峰值浪涌电流能够应对启动瞬态与浪涌负载，提升可靠性。
- 宽工作温度：-55 ℃ 至 +150 ℃ 的结温范围满足严苛环境下的长期工作需求。
四、典型应用场景
- 开关电源整流（输出/整流桥改良）
- 输入反向保护与极性保护电路
- 车载电源系统与照明驱动（需注意封装与热管理）
- 电池管理与UPS/备用电源整流
- 各类工业控制器与电源模块中需兼顾低压降与较高耐压的场合
五、封装与热管理
SP5100L 采用 TO-277B 封装，封装结构提供良好的散热路径与机械强度。建议在实际应用中配合散热片或良好的印制板（PCB）散热设计使用：
- 在连续 5 A 负载下，应评估结到环境的热阻并保证结温不超过规格上限；
- 必要时增加热垫或金属散热结构并优化铜箔面积与过孔数，以降低结温并提升长期可靠性。
六、使用建议与注意事项
- 正向压降受电流与温度影响较大，设计时以厂方给定的测量条件为准，必要时通过实验测定典型 If 下的 Vf。
- 对于持续大电流或长时间浪涌工况，应验证 Ifsm 与热性能是否满足系统要求，并考虑余量。
- 封装安装时注意散热片接触面平整并采用合适的热界面材料，电气绝缘需求应根据系统安全等级处理。
- 在高温或高电压环境下，建议进行长期老化与热循环测试以评估可靠性。
七、可靠性与环境适应性
SP5100L 的工作结温范围覆盖工业级要求，适应宽温度变化；低漏电流与高峰值冲击能力有助于提升系统抗扰动性。对于关键应用场景，推荐参考厂方完整数据手册并按实际应用条件做可靠性验证（如热循环、浪涌与长期负载测试）。
如需更详细的电气特性曲线、热阻参数或引脚与封装机械图，建议联系 DOWO（东沃）获取完整数据手册及评估报告。
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