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GOODWORK SB20100
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- GOODWORK SB20100
- Type
- GOODWORK
- Minimum package
- 5000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- GOODWORK
- Electronic Component
- SB20100
- Electronic Component
- 1
- Package
- TO-277
- Electronic Component
- Schottky Diode
- Electronic Component
- 0.163g
- Electronic Component
- 1
- Electronic Component
- BM0259371726
- Current
- 20A
- Diode
- Electronic Component
- Current(Ir)
- 20uA
- (Vf)
- 850mV@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.
SB20100 产品概述
一、产品简介
SB20100 是 GOODWORK（固得沃克）推出的一款独立式整流二极管，封装为 TO-277。该器件面向高电流整流和开关电源保护场景，设计用于连续 20A 的整流工作和短时浪涌承受能力。凭借较低的正向压降和较高的冲击电流能力，适合在散热可控的功率电子系统中替代传统整流器或作为钳位与免费轮二极管使用。
二、主要电气参数
- 二极管配置：独立式（单个二极管）
- 正向压降（Vf）：850 mV @ 20 A
- 直流反向耐压（Vr）：100 V
- 最大整流电流（Io）：20 A（持续）
- 反向电流（Ir）：20 µA（在规定的 Vr 条件下）
- 非重复峰值浪涌电流（Ifsm）：200 A（单次浪涌脉冲能力）
三、关键特性
- 低正向压降：在 20A 条件下 Vf≈0.85V，有效降低导通损耗，提升系统效率。
- 高浪涌承受：200A 的峰值浪涌能力，适合应对启动充电、电容充放电等短时冲击事件。
- 低反向漏电：反向电流约 20µA，有利于减少逆向漏电导致的静态损耗与发热。
- 工业级电压等级：100V 的反向耐压覆盖常见 12V、24V、48V 车规与工业总线的整流需求。
四、典型应用
- 开关电源（SMPS）次级整流
- 电机驱动与逆变器的自由轮或续流管保护
- 车载电源整流与充电器（需考虑温度与振动条件）
- 电池管理系统（BMS）与直流稳压模块的反向保护
- 工业电源模块、整流桥替换与模块化电源设计
五、热管理与安装建议
- TO-277 封装散热依赖于良好热传导路径，长期 20A 工作需配合散热片或加大 PCB 铜箔面积以降低结温。
- 布局建议：将二极管的热端与大铜面或散热片直接热连接；尽量缩短信号回路长度以降低寄生阻抗。
- 若环境温度较高或通风受限，应做电流降额或选用更大的散热方案以保证可靠性。
- 安装时注意绝缘与密封，根据系统是否需要隔离选择绝缘垫或绝缘螺钉。
六、可靠性与选型建议
- 在高脉冲或频繁启动场景下，优先考虑 Ifsm 余量及平均功率损耗；若应用存在较大热循环，应关注结-壳和焊点可靠性。
- 若系统对 Vf 要求更低（例如更高效率追求），可考虑低 Vf 的肖特基二极管作为替代；若需更高耐压，应提升到 150V/200V 级别元件。
- 在采购与验收时，关注 GOODWORK 的批次质量与放电试验报告，必要时要求样品验证结温与耐久性。
七、品牌与封装信息
- 品牌：GOODWORK（固得沃克）
- 封装：TO-277（便于散热与机械固定）
- 型号：SB20100，适用于需要 20A 连续整流、100V 耐压和短时大浪涌能力的工业与车载应用。
如需针对具体电路的热仿真、PCB 布局示意或替代型号推荐，可提供工作电压、环境温度与预期散热条件，我可以给出更具针对性的工程建议。
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