This Vishay Hexfred rectifier diode is a high-performance ultrafast component designed for demanding power applications, including tube amplifier power supplies, audio circuits, and custom electronics builds. Known for its extremely fast recovery time and low noise characteristics, the Hexfred series delivers improved efficiency, reduced switching noise, and greater overall stability compared to standard rectifiers. With a 16-amp rating and 600-volt capability, this diode is built to handle substantial load demands while maintaining clean, reliable operation.
Ultrafast Hexfred rectifier diode with superior switching performance
16A forward current rating for high-power applications
600V capability suitable for tube amps, audio circuits, and power supplies
Low reverse recovery time reduces noise and improves efficiency
Ideal for amplifier upgrades, DIY builds, and professional repairs
High-quality Vishay construction ensures long-term reliability
Manufacturer: Vishay
Type: Hexfred Ultrafast Rectifier Diode
Current Rating: 16A
Voltage Rating: 600V
Recovery Time: Ultrafast (Hexfred-class low reverse recovery)
Package Type: Standard Through-Hole Diode Package
Use Case: High-voltage audio circuits, tube amp rectification, and power electronics
The Hexfred design is prized by amp techs and audiophiles for its quiet, efficient performance. By significantly reducing switching noise, this diode contributes to cleaner power delivery—an upgrade that can noticeably improve amplifier response and reduce unwanted hum. It’s robust enough for high-voltage tube rectification yet refined enough for precision audio builds, making it a go-to component for serious electronics work.