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2N2221, 2N2222<br />

SILICON GENERAL PURPOSE TRANSISTORS<br />

ELECTRICAL CHARACTERISTICS @ 25 0 C unless otherwise noted<br />

Symbol Min, Max, Unit Conditions<br />

nFE<br />

Ic= 10mA, VCE= 10V<br />

17<br />

35 2N2221<br />

75 2N2222<br />

Ic- 1mA, VCE= 10V<br />

12 2N2220<br />

25 2N2221<br />

50 2N2222<br />

Ic- 0.1mA, VCE= 10V<br />

20 2N2221<br />

35 2N2222<br />

VeE (sat) , 0.4 Vdc I C= 150mA, I B= lbmA<br />

1.6 Vdc I C = 500mA, I B= 50mA<br />

VBE (sat) , 1.3 Vdc Ic= 150mA,I B= 15mA<br />

2.6 Vdc I c= 500mA, I B= 50mA<br />

ICBO 10 nA VCB=. 50V, IE= 0<br />

10 A VCB= 50V,IE= 0, T = 150oC<br />

lEBO 10 nA VEB=3V,lc=0<br />

IT 250 MHz I C = 20mA, V CE= 20V<br />

Cob 8 pI VCB= 10V,I E= 0<br />

Re (h,'e) , 60 Ohms I c= 20mA; V CE= 20V, f = 300 MH;<br />

BVCBO 60 Vdc Ic=10 A,IE=O<br />

VCEO (sust) , 30 Vdc I c= 10mA, Is= 0<br />

BVESO 5 vac I E - 10 A. I C - 0<br />

NOTES: 1, Pulse Measurement: width 300 sec, duty cycle 2%.<br />

2. Real part <strong>of</strong> Common~Emitter high frequency input impedanC?e.<br />

9-41

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