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Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
LGE US3M
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- LGE US3M
- Type
- LGE
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- LGE
- Electronic Component
- US3M
- Electronic Component
- 1
- Package
- SMC
- Electronic Component
- Fast Recovery / High-Efficiency Diode
- Electronic Component
- 0.31g
- Electronic Component
- 1
- Electronic Component
- BM0230873925
- Current
- 3A
- Diode
- 1
- Current(Ir)
- 10uA@1kV
- (Vf)
- 1.7V@3A
- Electronic Component
- 55℃~+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.
US3M 产品概述
一、产品简介
US3M 是鲁光（LGE）推出的独立式快恢复/高效率整流二极管，封装为 SMC，面向中高压整流和开关电源应用。器件在 3A 工作电流下具有典型正向压降 1.7V，直流反向耐压高达 1kV，反向漏电流仅 10µA（1kV），反向恢复时间约 75ns，具备良好的开关和浪涌承受能力，非重复峰值浪涌电流达 100A。器件允许结温范围 -55℃~+150℃，适合在苛刻环境中长期工作。
二、主要性能亮点
- 低正向压降（Vf = 1.7V @ 3A）：降低导通损耗，提高转换效率，适合长期稳态整流。
- 高耐压（Vr = 1kV）：支持高压整流和高压开关电源、逆变器输入侧应用。
- 小反向电流（Ir = 10µA @ 1kV）：降低漏电损耗和待机功耗。
- 快恢复特性（Trr ≈ 75ns）：在高频开关场合有效减少反向恢复损耗和电磁干扰。
- 强抗浪涌能力（Ifsm = 100A）：能承受开机浪涌和短时冲击电流，提高系统可靠性。
- 宽工作温度（Tj -55~+150℃）：适应工业和户外环境温度变化。
三、典型应用场景
- 开关电源（SMPS）输出整流或高速整流桥
- 功率因数校正（PFC）回路中的高压整流
- 逆变器、UPS、高压电源的整流与续流保护
- 工业驱动、焊接电源、充电设备及其他需高压快恢复二极管的场合
四、封装与热管理建议
SMC 封装便于波峰/回流焊和手工焊接，为保证长期可靠性建议：
- 在连续 3A 工作条件下采用合适散热面或散热片，必要时使用铜箔加厚和通孔散热。
- 设计 PCB 时增加焊盘面积和散热铜箔，确保结温在允许范围内并留有热余量。
- 考虑环境与通风条件，必要时按实际工况对电流进行降额处理。
五、可靠性与选型要点
选择 US3M 时关注系统工作电压裕度、开关频率与反向恢复造成的损耗、以及瞬态浪涌水平。对于高开关频率或对反向恢复敏感的拓扑，需综合评估损耗与 EMI，并配合合适的缓冲/吸收网络以延长器件寿命。
如需器件数据表（详尽的电气特性、热阻、典型波形与封装外形图），或量产供货与样品测试建议，可提供进一步支持和设计建议。
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