Part  2N3773 
Category  Discrete => Transistors => Bipolar => General Purpose => NPN 
Description  ic (mA) = 16 ;; VCBO(V) = 160 ;; VCEO(V) = 140 
Company  Usha 
Datasheet  Download 2N3773 datasheet

Cross ref.  Similar parts: 2N563, 2N625, 2N632, 2SD424, 2SD873, DBY5, 2N4348, 2N6322, 2SD428, BDY58 
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Features, Applications 
Typical Applications : These devices are designed for high power audio , disk head positioners and other linear applications. These devices can also be used in power switching circuits such as relay or solenoid drivers to dc converters or inverters. Specification Fetaures : F Complementary NPN Silicon Power Transistor F 16 Amp 140 V device TO3 ] package F 150 Watts device F High safe operating area ] F Completely characterized for linear operation F High DC current gain & low saturation voltage V CEO V CEX V CBO V EBO I BM Collector Emitter Voltage Collector Emitter Voltage Collector  Base Voltage Emitter Base Voltage Collector Current Continuos Peak : Pulse width ms , Duty Cycle 10 % Base Current Continuos Peak : Pulse width ms , Duty Cycle % 140 Vdc 160 Vdc 160 Vdc 7 Vdc 16 Adc 30 Adc 4 Adc 15 Adc R thjc & T Stg Thermal resistance junction to case Total Power Dissipation 25 °C Derate above 25 °C Operating and Storage Junction Temperature Range 1.17 °C/W 150 Watta 0.855 W /°C 65 °C....+ 200 °C 25 °C unless otherwise noted ] Characteristic Symbol Min Typ Max UnitDynamic Characteristics : Magnitude of Common Emitter small signal , short circuit , forward curremt transfer ratio = 1 Adc , f=50 KHz ] Small signal current gain Adc , VCE = 100 Vdc KHz ] Second Breakdown Characteristics : Second Breakdown Collector Current with Base Forward Biased [nonrepetitive ] , VCE = 100 Vdc IS/b 1.5 Adc  hfe  4 
Some Part number from the same manufacture Usha 
2N3773AR ic (mA) = 16 ;; VCBO(V) = 160 ;; VCEO(V) = 140 
2N3903 ic (mA) = 200 ;; VCBO(V) = 60 ;; VCEO(V) = 40 
2N3904 
2N3905 ic (mA) = 200 ;; VCBO(V) = 40 ;; VCEO(V) = 40 
2N3906 
2N4123 ic (mA) = 200 ;; VCBO(V) = 40 ;; VCEO(V) = 30 
2N4124 ic (mA) = 200 ;; VCBO(V) = 30 ;; VCEO(V) = 25 
2N4125 ic (mA) = 200 ;; VCBO(V) = 30 ;; VCEO(V) = 30 
2N4126 ic (mA) = 200 ;; VCBO(V) = 25 ;; VCEO(V) = 25 
2N4400 ic (mA) = 600 ;; VCBO(V) = 60 ;; VCEO(V) = 40 
2N4401 
2N4402 ic (mA) = 600 ;; VCBO(V) = 40 ;; VCEO(V) = 40 
2N4403 
2N5086 ic (mA) = 50 ;; VCBO(V) = 50 ;; VCEO(V) = 50 
2N5087 
2N5088 ic (mA) = 50 ;; VCBO(V) = 35 ;; VCEO(V) = 30 
2N5089 ic (mA) = 50 ;; VCBO(V) = 30 ;; VCEO(V) = 25 
2N5210 ic (mA) = ;; VCBO(V) = 50 ;; VCEO(V) = 50 
2N5294 ic (mA) = 4 ;; VCBO(V) = 70 ;; VCEO(V) = 80 
2N5296 ic (mA) = 4 ;; VCBO(V) = 40 ;; VCEO(V) = 60 
2N5400 ic (mA) = 600 ;; VCBO(V) = 130 ;; VCEO(V) = 120 