SavantIC Semiconductor Product Specification 2N4921 2N4922 2N4923 Silicon NPN Power Transistors DESCRIPTION ·With TO-126 package ·Complement to type 2N4918/4919/4920 ·Excellent safe operating area ·Low collector saturation voltage APPLICATIONS ·For driver circuits ,switching ,and amplifier applications PINNING PIN DESCRIPTION 1 Emitter 2 Collector;connected to mounting base 3 Base Absolute maximum ratings(Ta=25 ) SYMBOL PARAMETER CONDITIONS 2N4921 VCBO VCEO Collector-base voltage Collector-emitter voltage 2N4922 Open emitter 60 2N4923 80 2N4921 40 2N4922 Emitter-base voltage UNIT 40 Open base 2N4923 VEBO VALUE 60 V V 80 Open collector 5 V IC Collector current 1 A ICM Collector current-Peak 3 A IB Base current 1 A PD Total power dissipation 30 W Tj Junction temperature 150 Tstg Storage temperature -65~150 TC=25 THERMAL CHARACTERISTICS SYMBOL Rth j-c PARAMETER Thermal resistance junction to case VALUE 4.16 UNIT /W SavantIC Semiconductor Product Specification 2N4921 2N4922 2N4923 Silicon NPN Power Transistors CHARACTERISTICS Tj=25 unless otherwise specified SYMBOL PARAMETER CONDITIONS 2N4921 VCEO(SUS) Collector-emitter sustaining voltage 2N4922 MIN TYP. MAX UNIT 40 IC=0.1A; IB=0 2N4923 V 60 80 VCEsat Collector-emitter saturation voltage IC=1.0A ;IB=0.1A 0.6 V VBEsat Base-emitter saturation voltage IC=1.0A ;IB=0.1A 1.3 V Base-emitter on voltage IC=1A ; VCE=1V 1.3 V 0.5 mA VBE ICEO Collector cut-off current 2N4921 VCE=20V; IB=0 2N4922 VCE=30V; IB=0 2N4923 VCE=40V; IB=0 ICBO Collector cut-off current VCB= Rated VCBO ;IE=0 0.1 mA ICEX Collector cut-off current VCE= Rated VCEO; VBE(off)=1.5V TC=125 0.1 0.5 mA IEBO Emitter cut-off current VEB=5V; IC=0 1.0 mA hFE-1 DC current gain IC=50mA ; VCE=1V 40 hFE-2 DC current gain IC=500mA ; VCE=1V 30 hFE-3 DC current gain IC=1A ; VCE=1V 10 fT Transition frequency IC=250mA ; VCE=10V;f=1MHz 3.0 COB Output capacitance f=100kHz ; VCB=10V;IE=0 2 150 MHz 100 pF SavantIC Semiconductor Product Specification Silicon NPN Power Transistors PACKAGE OUTLINE Fig.2 Outline dimensions 3 2N4921 2N4922 2N4923