BUJ303B

High voltage, high speed planar passivated NPN power switching transistor in a SOT 78 (TO-220AB) 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
  • Low thermal resistance
  • Very high voltage capability
  • Very low switching and conduction losses
Applications
  • DC-to-DC converters
  • High frequency electronic lighting ballasts
  • Inverters
  • Motor control system
  • Switching regulators
Datasheet
IC [max]
Package version
Package name
Product status
Product Parametric
Type Number Symbol Parameter Conditions Min Typ/Nom Max Unit
BUJ303B VCESM collector-emitter peak voltage VBE = 0 V     1050 V
IC collector current       5 A
hFE DC current gain IC = 3 A; VCE = 1.5 V   10.5    
tf fall time IC = 2.5 A; IBon = 0.5 A; VBB = -5 V; LB = 1 µH; inductive load   200   ns
Package
Type number Package Packing Product status Marking Orderable part number Ordering code (12NC)
BUJ303B SOT78
SOT78
Horizontal, Rail Pack Volume production Standard Marking BUJ303B,127 9340 570 75127
Quality, reliability & chemical content
Chemical content Orderable part number Type number RoHS / RHF Leadfree conversion date MSL MSL LF
BUJ303B BUJ303B,127   BUJ303B LeadedE   NA NA
Ordering & availability
Type number Ordering code (12NC) Orderable part number Region Distributor Order sample
BUJ303B 9340 570 75127 BUJ303B,127 NA NA  
VCESM [max]
Orderable part number
BUJ303B,127

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