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In order for hyperfast bipolar diodes to switch quickly, lifetime control is required (see also the text box “Lifetime control”). In theory, there is no significant difference between 600V and 1200V diodes.
However, in order to handle the 1200V reverse voltage, 1200V diodes need a bigger drift zone/depletion region than 600V diodes. Because of the wider region, stored charge extraction takes longer at the time when the diode should shut off.
The lifetime of the charge carriers must be decreased even further in order to make a 1200V diode that operates at the same speed as a 600V diode.
The Global Hyperfast Rectifier Diode market accounted for $XX Billion in 2021 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2022 to 2030.
Modern hyper fast recovery rectifiers, such as the Hyperfast Rectifier, 4 A FRED Pt, from Vishay perform optimally in terms of forward voltage drop and hyper fast recovery time.
The best overall performance, toughness, and reliability qualities are guaranteed by the planar structure and the platinum doped life time control.
These components are designed to function as freewheeling diodes or in the PFC boost stage in the AC/DC section of SMPS inverters. They minimise switching losses and lower over-dissipation in the switching element and snubbers because to their highly optimised stored charge and low recovery current.
A hyperfast diode with gentle recovery properties is the Fairchild RHRP30120. It is an epitaxial planar silicon nitride passivated device with a half recovery time of ultrafast diodes.
These components are designed to be utilised in a range of switching power supply and other power switching applications as freewheeling/clamping diodes and diodes. They reduce power loss in the switching transistors because to their low stored charge and hyperfast soft recovery, which reduce ringing and electrical noise in many power switching circuits.
