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GOODWORK SB20100L
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- GOODWORK SB20100L
- Type
- GOODWORK
- Minimum package
- 5000 编带
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- GOODWORK
- Electronic Component
- SB20100L
- Electronic Component
- 1
- Package
- TO-277
- Electronic Component
- Schottky Diode
- Electronic Component
- 0.144g
- Electronic Component
- 1
- Electronic Component
- BM0264757996
- Current
- 20A
- Diode
- Electronic Component
- Current(Ir)
- 100uA
- (Vf)
- 700mV@20A
- Electronic Component
- Electronic Component
- Electronic Component
- 5000
- Voltage Rating(Vr)
- 100V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SB20100L 产品概述
一、产品简介
SB20100L 是 GOODWORK（固得沃克）出品的一款独立式肖特基整流二极管，封装为 TO-277。器件标称直流整流电流为 20A，直流反向耐压 Vr 为 100V，典型正向压降 Vf 为 700mV（在 20A 测试条件下），非重复峰值浪涌电流 Ifsm 为 200A，反向漏电流 Ir 约为 100µA。该器件针对高频整流和大电流供电场合进行了优化，兼顾低导通损耗与快速开关特性。
二、主要特性
- 低正向压降：Vf = 0.7V @ 20A，减小导通损耗，提升转换效率。
- 中等耐压等级：Vr = 100V，适用于 48V 级及以下的开关电源和配电系统。
- 大电流处理能力：连续整流电流 20A，短时浪涌可达 200A，适合启动浪涌或突发负载。
- 反向漏电小：Ir ≈ 100µA（典型），在中等温度下保持较低泄漏，有利于低静态电流应用。
- 封装可靠：TO-277 便于散热安装，利于与散热片或大铜箔热管理结合。
三、典型应用
- 开关电源的输出整流（尤其为降压/升压器提供高效整流）。
- 高频整流与快速自由轮回路（DC-DC 转换器、功率因数校正前级等）。
- 电源保护与反向极性保护（电池充放电管理、二次侧电源切换）。
- 服务器、电信与工业电源中的大电流二极管需求。
- 二极管 OR-ing、续流和钳位电路。
四、设计与使用建议
- 散热管理：TO-277 便于安装在散热器上，建议根据 PCB 电流路径和环境温度计算结到母线的热阻并进行结温限幅。连续 20A 使用时应保证良好散热或使用外加散热片。
- 漏电与温度：肖特基型反向漏电随结温显著上升，若在高温环境下使用需留出裕量并确认热设计。
- 浪涌能力：Ifsm = 200A 为非重复峰值浪涌，允许短脉冲冲击，但不宜作为长期超载策略。
- 并联注意：多颗并联时需考虑 Vf 匹配与电流分享，建议加入微欧阻或平衡电阻以防止热跑逸。
- 焊接与安装：遵循厂商的焊接温度曲线与扭矩要求，避免过度应力影响封装与引脚可靠性。
五、可靠性与选型提醒
SB20100L 在功率转换与保护场合表现出色，但选型时应同时关注系统最大反向电压、工作结温与漏电对系统待机损耗的影响。对于高温或高 Vr 环境，可考虑更高耐压或更低漏电的替代型号。对于要求最小导通损耗的场合，可以通过并联多颗或选择更低 Vf 的肖特基器件进一步降低损耗，但需详尽评估散热与电流分配。
六、规格与订购信息
- 型号：SB20100L
- 品牌：GOODWORK（固得沃克）
- 封装：TO-277
- 关键参数：Vf 700mV@20A、Vr 100V、If = 20A、Ifsm = 200A、Ir ≈ 100µA。
选购时请向供应商确认完整的温度特性曲线、动态恢复特性、以及封装尺寸与散热图纸，以便在工程实现阶段完成可靠的热设计与电气验证。
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