The BY299 is the Fast Recovery Rectifier Diodes. The typical applications of BY299 are the rectification of medium frequencies, snubber or Bootstrap diodes Commercial grade. Mechanical Characteristics:- Case : DO-201AD Molded plastic Epoxy : UL94V-O rate flame retardant Lead : Axial lead solderable per MIL-STD-202, Method 208 guaranteed Polarity : Color band denotes cathode end Mounting position : Any Weight : 1.16 grams Specification:- SymbolParameterValueUnits VRRMPeak Repetitive Reverse Voltage800V VRMSMaximum RMS Voltage560V VDCMaximum DC Blocking Voltage800V VFMaximum Peak Forward Voltage at IF = 2.0 Amps1.3V CJTypical Junction Capacitance28pf IFSMNon-Repetitive Peak Forward Surge Current70A TJOperating Junction Temperature Range- 50 to + 125degC TstgStorage Temperature Range- 50 to + 125degC IF(AV)Maximum Average Forward Current 0.375"(9.5mm) Lead Length Ta = 50 degC2A