High voltage, high speed planar passivated NPN power switching transistor in a SOT78 (TO220AB) 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
  • 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
BUJ105A VCESM collector-emitter peak voltage VBE = 0 V     700 V
IC collector current       8 A
hFE DC current gain IC = 4 A; VCE = 5 V 8 11 15  
tf fall time IC = 5 A; IBon = 1 A; VBB = -5 V; LB = 1 µH; inductive load   20 50 ns
Type number Package Packing Product status Marking Orderable part number Ordering code (12NC)
Horizontal, Rail Pack Volume production Standard Marking BUJ105A,127 9340 555 27127
Quality, reliability & chemical content
Chemical content Orderable part number Type number RoHS / RHF Leadfree conversion date MSL MSL LF
BUJ105A BUJ105A,127   BUJ105A LeadedE   NA NA
Ordering & availability
Type number Ordering code (12NC) Orderable part number Region Distributor Order sample
BUJ105A 9340 555 27127 BUJ105A,127 NA NA  
VCESM [max]
tf [max]
Orderable part number

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