KBU1008 – 800V 10.0A Single-Phase Bridge Rectifier in KBU Package | 800V 10A Rectifier Bridge

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The KBU1008 is an 800V 10.0A single-phase high-voltage rectifier bridge engineered for offline AC-DC converter boards, industrial transformer-driven rectifier modules, energy power rails, DC power infrastructure stages, capacitor charging front-end rectification, 8A-to-10A SMPS input bridges, and single-phase conversion modules requiring low conduction dissipation and high surge tolerance. Its ultra-low 10µA reverse leakage reduces off-state losses, improving thermal margins under repetitive AC voltage cycling. With 300A surge endurance, it protects AC input rails against transformer inrush peaks and capacitive load stress. The insulated KBU epoxy package ensures PCB-friendly lead alignment, electrical isolation safety, and strong mechanical reliability for high-duty bridge rectifier environments.

Key Specifications:

  • VR: 800V

  • IF: 10.0A

  • TJ max: 125°C

  • IFSM: 300A

  • VF: 1.05V

  • IR: 10µA

  • Trr: 10µs

  • Package: KBU

Features:

  • 800V high reverse blocking rating

  • Very low leakage current

  • 300A surge tolerance

  • Compact, insulated epoxy-molded housing

Applications:

  • 800V offline AC-DC converters

  • Industrial rectifier bridges

  • High-duty SMPS input rails