Ultrafast power diode in a SMC package.

Features and Benefits
  •  Low on-state loss
  •  Low leakage current
  •  Low thermal resistance
  •  Surface-mountable package
  •  Switching mode power supply
  •  High frequency rectifiers in buck and fly-back circuits
  •  Discontinuous Current Mode (DCM) Power Factor Correction (PFC)
  •  Terminal Adapter
  •  Inverter freewheeling and protection diode
  •  TV Power and LED Power
Quality, reliability & chemical content
Type Number Symbol Parameter Conditions Min Typ/Nom Max Unit
MUR440 VRRM  repetitive peak reverse voltage       400 V
IF(AV)  average forward current  δ = 0.5; Tlead ≤ 124 °C; square-wave pulse     4 A
IFRM  repetitive peak forward current  δ = 0.5; tp = 25 µs; Tlead ≤ 124 °C; square-wave pulse     120 A
IFSM  non-repetitive peak forward current  tp = 10 ms; Tj(init) = 25 °C; sine-wave pulse     140 A
 tp = 8.3 ms; Tj(init) = 25 °C; sine-wave pulse     150 A
VF  forward voltage  IF = 4 A; Tj = 25 °C     1.25 V
 IF = 4 A; Tj = 150 °C     1.05 V
trr  reverse recovery time  IF = 1 A; VR = 30 V; dIF/dt = 50 A/µs; Tj = 25 °C     75 ns
 IF = 4 A; VR = 200 V; dIF/dt = 50 A/µs; Tj = 25 °C   55   ns
 IF = 4 A; VR = 200 V; dIF/dt = 50 A/µs; Tj = 125 °C   90   ns
Type number Package Packing Product status Marking Orderable part number Ordering code (12NC)
MUR440 SMC.jpg

STANDARD MARK SMD Volume production Standard Marking MUR440J 9340 721 95118
MUR440,118 9340 738 35118
Type number Ordering code (12NC) Orderable part number Region Distributor Order sample
MUR440 9340 721 95118 MUR440J NA NA  
9340 738 35118 MUR440,118

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Chemical content Orderable part number Type number RoHS / RHF Leadfree conversion date MSL MSL LF
MUR440 MUR440J   MUR440 Leaded H NA 1 1

Chemical Content - MUR440

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