High voltage, high speed planar passivated NPN power switching transistor in a SOT186A (TO220F) "full pack"plastic package intended for use in high frequency electronic lighting ballast applications, converters, inverters, switching regulators, motor control systems, etc.

Features and Benefits
  • Fast switching
  • High voltage capability
  • Isolated package
  • Low thermal resistance
  • Very low switching and conduction losses
  • DC-to-DC converters
  • High frequency electronic lighting ballasts
  • Inverters
  • Motor control systems
IC [max]
Package version
Package name
Product status
Product Parametric
Type Number Symbol Parameter Conditions Min Typ/Nom Max Unit
BUJ103AX VCESM collector-emitter peak voltage VBE = 0 V     700 V
IC collector current       4 A
Ptot total power dissipation Th ? 25 °C     26 W
hFE DC current gain IC = 3 A; VCE = 5 V; Th = 25 °C   12.5    
tf fall time IC = 2 A; IBon = 0.4 A; VBB = -5 V; LB = 1 µH   33 80 ns
Type number Package Packing Product status Marking Orderable part number Ordering code (12NC)
Horizontal, Rail Pack Volume production Standard Marking BUJ103AX,127 9340 551 59127
Quality, reliability & chemical content
Chemical content Orderable part number Type number RoHS / RHF Leadfree conversion date MSL MSL LF
BUJ103AX BUJ103AX,127   BUJ103AX LeadedH   NA NA
Ordering & availability
Type number Ordering code (12NC) Orderable part number Region Distributor Order sample
BUJ103AX 9340 551 59127 BUJ103AX,127 NA NA  
VCESM [max]
Ptot [max]
tf [max]
VCEO [max]
Orderable part number

Fill in the form below to order samples: