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2N2221A®<br />

ELECTRICAL CHARACTERISTICS continued<br />

PARAMETER MIN. MAX. UNIT CONDITIONS<br />

Icex 10 nA Vce=60V, Ves=3V<br />

leu 20 nA Ves=3V, Vcs=60V<br />

leso 10 nA Ves=3V<br />

Cob 8 pF Vcs=10V<br />

C;b 25 pF Ves=0.5V<br />

hI. 30 150 1c=1mA, Vce =10V,f=1KHz<br />

hI. 50 300 Ic=10mA, Vce =10V, f=1 KHz<br />

hI. 2.5 Ic=20mA, Vce=20V, f=1 OOMHz<br />

h;. 1 3.5 K ohms 1c=1mA, Vce =10V, f=1 KHz<br />

h;. 0.2 1.0 Kohms 1c=10mA, Vce =10V, f=1 KHz<br />

h,. 5 x10- 4 Ic= 1 mA, Vce= 1 OV, f= 1 KHz<br />

h,e 2.5 x10-4 1c=10mA, Vce=10V, f=1 KHz<br />

hoe 3 15 JLmho Ic = 1 mA, Vce= 1 OV, f= 1 KHz<br />

hoe 10 100 JLmho Ic=10mA, Vce =10V, f=1 KHz<br />

R.(Me) 60 ohms Ic=20mA, Vce=20V, f=300MHz<br />

rb'CC 150 ps 1c=20mA, Vce=20V, f=31.8MHz<br />

T, 2.5 ns Ic=150mA, IS1=15mA, Vcc=30V,<br />

Ves=0.5V<br />

td 10 ns Ic=150mA, IS1=15mA, Vcc=30V,<br />

Ves=0.5V<br />

t, 25 ns 1c=150mA, 1s,=15mA, Vcc=30V,<br />

Ves=0.5V<br />

t, 225 ns Ic=150mA, Is1=ls2 =15mA, Vcc=30V<br />

tl 60 ns 1c=150mA, IS1=ls2=15mA, Vcc=30V<br />

NOTES: Pulse width :S 300 "sec, duty cycle::; 2%.<br />

9-43

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