Product Specification www.jmnic.com 2N4921 2N4922 2N4923 Silicon NPN Power Transistors ・ DESCRIPTION ・With TO-126 package ・Complement to type 2N4918,2N4919 2N4920 ・Excellent safe operating area ・Low collector-emitter 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 60 2N4923 80 2N4921 40 2N4922 Emitter-base voltage UNIT 40 Open emitter 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 PD Total power dissipation 1 A 30 W Tj Junction temperature 150 ℃ Tstg Storage temperature -65~150 ℃ VALUE UNIT 4.16 ℃/W TC=25℃ THERMAL CHARACTERISTICS SYMBOL Rth j-c PARAMETER Thermal resistance junction to case JMnic Product Specification www.jmnic.com 2N4921 2N4922 2N4923 Silicon NPN Power Transistors CHARACTERISTICS Tj=25℃ unless otherwise specified SYMBOL PARAMETER CONDITIONS 2N4921 VCEO Collector-emitter sustaining voltage 2N4922 MIN TYP. MAX UNIT 40 IC=0.1A; IB=0 V 60 80 2N4923 VCEsat Collector-emitter saturation voltage IC=1.0A ;IB=0.1A 0.6 V VBEsat Emitter-base saturation voltage IC=1.0A ;IB=0.1A 1.3 V Emitter-base 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 JMnic 150 MHz 100 pF Product Specification www.jmnic.com 2N4921 2N4922 2N4923 Silicon NPN Power Transistors PACKAGE OUTLINE Fig.2 Outline dimensions JMnic