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BORN NST20100L
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- BORN NST20100L
- Type
- BORN
- Minimum package
- 5000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- BORN
- Electronic Component
- NST20100L
- Electronic Component
- 1
- Package
- TO-277B
- Electronic Component
- Schottky Diode
- Electronic Component
- 0.247g
- Electronic Component
- 1
- Electronic Component
- BM0265006880
- Current
- 20A
- Diode
- 1
- Current(Ir)
- 80uA@100V
- (Vf)
- 650mV@20A
- 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.
NST20100L 产品概述
一、产品简介
NST20100L 是来自 BORN（伯恩半导体）的一款高可靠性低正向压降肖特基整流二极管，单只封装于 TO-277B。该器件设计用于中大电流整流与开关电源回流保护，具备低 Vf、低反向漏电及良好的浪涌承受能力，适配多种工业级电源应用场景。
二、主要参数与性能亮点
- 类型：独立式肖特基二极管，单个器件
- 额定整流电流：20 A（直流）
- 反向耐压（Vr）：100 V
- 正向压降（Vf）：典型 650 mV @ 20 A
- 反向电流（Ir）：80 μA @ 100 V
- 峰值单次浪涌电流（Ifsm）：280 A
- 工作结温范围：-55 ℃ ~ +150 ℃
- 封装：TO-277B（易于热沉安装与散热管理）
这些参数表明 NST20100L 在高电流、低压降场合具有显著效率优势，且在中高电压环境下保持较低的反向泄漏。
三、典型应用场景
- 开关电源整流（输出整流、同步整流替代）
- DC-DC 转换器、降压/升压模块的续流和整流环节
- 适配器与充电器（12 V / 24 V 系统）
- 电机驱动器与逆变器的保护与回路整流
- 工业电源、通信设备与 LED 驱动电路
凭借 100 V 的反向耐压和 20 A 的持续电流能力，NST20100L 在商用与工业电源中兼顾效率与可靠性。
四、封装与热管理建议
TO-277B 封装便于直接安装到散热片或金属底座，建议采取以下散热措施以保证器件长期稳定运行：
- 使用导热硅胶或相应绝缘垫片提高热接触性能；
- 在 20 A 持续工作条件下，注意热阻与结温上升，必要时采用强制风冷或更大面积散热片；
- 布局时将热源与敏感电路隔离，并提供足够的焊盘或螺栓固定区域以实现良好散热。
五、选型与使用注意
- 若系统存在短时大浪涌（如电容充电、输出短路），NST20100L 的 280 A 冲击能力可提供保护，但应结合合适熔断或限流电路；
- Vf 随电流和结温上升而增加，长时间高电流工作应考虑适当的电流降额与热设计；
- 在高温或高反向电压下，注意 Ir 增加对待机损耗的影响，设计中预留温度裕量；
- 若需并联以提高电流能力，请保证良好电流均分（匹配 Vf 和热环境），并优先采用并联均流措施。
六、可靠性与质量保证
NST20100L 的工作结温范围（-55~+150 ℃）覆盖工业级温度要求，低反向电流与稳定的正向压降提升了高温下的可靠性。建议在实际应用中进行必要的热循环与老化测试，以验证整机在目标工况下的长期稳定性。
总结：NST20100L 以低 Vf、20 A 连续电流能力与 100 V 耐压为主要优势，适合要求高效率与高耐久性的中功率电源场合。合理的散热设计与保护电路配合，可发挥其最佳性能并延长使用寿命。
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