Skip to main content
Littelfuse Inc. SMBJ400 — Circuit Protection

Littelfuse Inc. SMBJ400

MPNSMBJ400
Obsolete
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

SMBJ400 specifications
ParameterValue
TypeZener
SeriesSMBJ
MountingSurface Mount
Voltage - breakdown423.45V
Voltage - clamping (Max) @ ipp680.4V
Voltage - reverse standoff400V
Current - peak pulse (10/1000μs)900mA
Power - peak pulse600W
Power line protectionNo
Operating temperature-65°C~150°C(TJ)
PackageTape & Reel (TR)
ApplicationsGeneral Purpose
CaseDO-214AA, SMB
Unidirectional channels1