Dual ultrafast power diode in a SOT429 (3-lead TO-247) plastic package.

Features and Benefits
  • Very low on-state loss
  • Fast switching
  • Soft recovery characteristic minimizes power consuming oscillations
  • High thermal cycling performance
  • Low thermal resistance

Output rectifiers in high-frequency switched-mode power supplies

Quality, reliability & chemical content
Type Number Symbol Parameter Conditions Min Typ/Nom Max Unit
BYV74W-400 VRRM repetitive peak reverse voltage       400 V
IF(AV) average forward current δ = 0.5  ; Tmb ≤ 104 °C; square-wave pulse; per diode     15 A
IO(AV) average output current δ = 0.5  ; Tmb ≤ 94 °C; square-wave pulse; both diodes conducting     30 A
IFSM non-repetitive peak forward current tp = 10 ms; Tj(init) = 25 °C; sine-wave pulse; per diode     170 A
tp = 8.3 ms; Tj(init) = 25 °C; sine-wave pulse; per diode     185 A
VF forward voltage IF = 15 A; Tj = 25 °C   1.08 1.25 V
IF = 30 A; Tj = 25 °C   1.15 1.36 V
IF = 15 A; Tj = 150 °C   0.95 1.12 V
trr reverse recovery time IF = 1 A; VR = 30 V; dIF/dt = 100 A/µs; Tj = 25 °C   35 60 ns
Type number Package Packing Product status Marking Orderable part number Ordering code (12NC)


HORIZONTAL, RAIL PACKVolume productionStandard MarkingBYV74W-400,1279340 471 00127
Type number Ordering code (12NC) Orderable part number Region Distributor Order sample
BYV74W-4009340 471 00127BYV74W-400,127NANA


Chemical content Orderable part number Type number RoHS / RHF Leadfree conversion date MSL MSL LF
BYV74W-400BYV74W-400,127BYV74W-400Leaded  HNA

Chemical Content - BYV74W-400

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