Products Description
TOSHIBA GBU648E-S Single Phase Bridge Rectifier
TOSHIBA GBU648E-S是东芝单相桥式整流模块,标准GBU封装,额定反向耐压600V,平均整流电流48A,属于大功率工业整流器件。
TOSHIBA GBU648E-S is a single-phase bridge rectifier from Toshiba in standard GBU package, rated 600V VRRM and 48A average rectified forward current for high-power conversion.

器件正向压降低,自带散热固定孔,支持外接散热器,耐温范围宽,主要完成交流转直流变换,是变频器、伺服驱动电源板常用功率备件。
It has low forward voltage drop and built-in mounting hole for heatsink, wide junction temperature range, performing AC-to-DC conversion as a common power spare for inverter and servo drive boards.


Main Specifications 技术参数
1. Product Series / 产品系列:TOSHIBA Power Semiconductor
2. Part Numbers / 型号编码:GBU648E-S
3. Function Type / 类型:Single Phase Bridge Rectifier 单相整流桥
4. Key Features / 特性:VRRM:600V, Io:48A, Vf typ 1.1V, -55~+150℃, 2500VRMS isolation
5. Compatibility / 配套:变频器电源板、伺服驱动板、大功率开关电源、充电模块
Core Functions 核心功能
1. 单相交流电全波整流,输出脉动直流,为后级开关电路提供母线电压。
Full-wave rectification for single-phase AC and generate DC bus voltage for downstream power circuits.2. 低正向压降设计,降低导通损耗,提升电源转换效率。
Low typical forward voltage reduces conduction loss and improves power conversion efficiency.3. 宽工作结温,抗冲击浪涌电流,适配工业现场波动工况。
Wide junction temperature and high surge current capability for unstable industrial power conditions.4. GBU封装带固定螺丝孔,方便加装散热器,满足持续大电流散热需求。
GBU package with mounting hole for heatsink installation to sustain continuous high current.5. 高绝缘耐压,隔离初级与次级回路,增强设备电气安全性能。
2500VRMS isolation voltage enhances electrical safety between primary and secondary circuits.
Application Scenarios 应用场景
1. 工业变频器、交流伺服驱动器主回路AC-DC整流单元。
Main AC-DC rectifier stage for industrial variable frequency drives and AC servo amplifiers.2. 大功率工业开关电源、直流稳压电源输入整流部分。
Input rectification for high-power industrial switching power supplies and DC regulated supplies.3. 储能充电机、电池化成设备大功率整流回路备件。
Power rectification spare for battery chargers and battery formation test equipment.4. 自动化设备控制柜、起重设备电源板维修替换元器件。
Replacement component for power board repair of automation cabinets and hoist machinery.5. 海外工控设备存量东芝电源板、驱动板故障整流桥替换。
Spare replacement for failed rectifiers on legacy Toshiba drive and power boards overseas.
FAQ 常见问答
Q: TOSHIBA GBU648E-S是什么器件?
A: 东芝GBU封装单相整流桥,600V/48A,用于交流转直流,多用于变频器和伺服驱动电源板。
Q: GBU648E-S和GBU646E-S能不能直接互换?
A: 封装一致,耐压不同,GBU646E-S为600V/46A,额定电流偏小,重载工况不建议直接替换。
Similar Models 相似型号
GBU646E-S
GBU650E-S
GBU406
GBU808
KBPC5010
Tags: TOSHIBA GBU648E-S Single Phase Bridge Rectifier TOSHIBA GBU648E-S
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