The Fuji 2DI300A-050D is a high-current dual diode module engineered for demanding power rectification applications. Rated at 300 amperes continuous forward current and 500V repetitive peak reverse voltage, this module houses two discrete diode elements in a single industry-standard package. The dual configuration simplifies PCB layout and bus bar integration while maintaining the thermal and electrical performance required in industrial-grade power electronics. It is manufactured to Fuji Electric's established quality standards for power semiconductor modules used in heavy-duty converter and inverter platforms.

The 2DI300A-050D is widely deployed in AC-to-DC front-end rectifier stages, regenerative DC motor drives, uninterruptible power supplies (UPS), welding power supplies, induction heating systems, and three-phase bridge rectifier assemblies. Its 300A current handling capacity makes it a strong fit for medium-to-large industrial drives where bulk DC bus rectification demands reliable, low-loss diode performance over extended service cycles. OEM equipment manufacturers and MRO teams servicing legacy drive systems both rely on this module to maintain uptime in critical production environments.

Quick Reference: 2DI300A-050D

Key Features of the 2DI300A-050D:

• 300A average forward current (IFAV) rating suitable for high-power rectifier bridges and DC bus applications
• 500V repetitive peak reverse voltage (VRRM) providing adequate blocking margin in 230–400VAC line-fed systems
• Dual diode configuration in a single isolated baseplate module reduces component count and simplifies thermal management
• Isolated copper baseplate for direct mounting to heatsink, supporting efficient junction-to-case thermal dissipation
• Low forward voltage drop (VF) minimizes conduction losses and reduces heatsink sizing requirements in continuous-duty applications
• Compatible with standard Fuji power module footprints, enabling direct drop-in replacement in existing drive and converter assemblies

The 2DI300A-050D carries a current factory lead time of approximately 99 weeks for new production — nearly two years from order to delivery through standard manufacturing channels. For maintenance teams facing an unplanned failure or procurement professionals building safety stock for aging drive platforms, that timeline is operationally unacceptable. ATI specializes in exactly this scenario: sourcing hard-to-find, long-lead-time, and legacy Fuji power modules from verified supply channels so your equipment stays running without waiting on the factory queue.

ATI Accurate Technology is a power semiconductor distributor based in Palmetto, Florida, stocking IGBTs, diodes, thyristors, and rectifier modules including obsolete and long-lead parts like the 2DI300A-050D. Orders placed before 5PM EST ship same-day. Volume pricing is available for MRO stockers and OEM accounts. Contact our team at 239-734-7566 or sales@igbts.us to confirm availability and get a quote today.