High-voltage, high-speed planar-passivated NPN power switching transistor in TO220AB envelope intended for use in high frequency electronic lighting ballast applications, converters, inverters, switching regulators, motor control systems, etc.

Features and Benefits
  • Very low switching and conduction loss
  • DC-to-DC converters
  • High-frequency electronic lighting ballast applications
  • Inverters
  • Motor control systems
IC [max]
Package version
Package name
Product status
Product Parametric
Type Number Symbol Parameter Conditions Min Typ/Nom Max Unit
BUJ103A VCESM collector-emitter peak voltage VBE = 0 V     700 V
IC collector current       4 A
hFE DC current gain IC = 3 A; VCE = 5 V   12.5    
tf fall time IC = 2 A; IBon = 0.4 A; VBB = -5 V; LB = 1 µH; inductive load   30 60 ns
Type number Package Packing Product status Marking Orderable part number Ordering code (12NC)
Horizontal, Rail Pack Volume production Standard Marking BUJ103A,127 9340 551 58127
Quality, reliability & chemical content
Chemical content Orderable part number Type number RoHS / RHF Leadfree conversion date MSL MSL LF
BUJ103A BUJ103A,127   BUJ103A LeadedH   NA NA
Ordering & availability
Type number Ordering code (12NC) Orderable part number Region Distributor Order sample
BUJ103A 9340 551 58127 BUJ103A,127 NA NA  
VCESM [max]
tf [max]
Orderable part number

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