2N3494 Просмотр технического описания (PDF) - New Jersey Semiconductor
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2N3494 Datasheet PDF : 2 Pages
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20 STERN AVE.
SPRINGFIELD, NEW JERSEY 07081
U.S.A.
, Dnc.
TELEPHONE: (973) 376-2922
(212)227-6005
FAX: (973) 376-8960
2N3494, 2N3495, 2N3496, 2N3497
ELECTRICAL CHARACTERISTICS (continued) (TA = 25"C unless otherwise noted.)
Characteristic
Symbol
Mln
Max
Unit
Input Impedance
dc = 10 mAdc, VCE = 10 Vdc, f = 1.0 kHz)
nie
0.1
1.2
k ohms
Voltage Feedback Ratio
dC = 10 mAdc. VCE = 10 Vdc. f = 1.0 kHz)
hre
—
2.0
X 10-4
Small-Signal Current Gain
(IC = 10 mAdc, VCE = '0 Vdc. f = 1.0 kHz)
hfe
40
300
—
Output Admittance
(1C = 10 mAdc, VCE = 10 vdc- ' = '-0 kHz)
hoe
—
300
Mmhos
Real Part of Input Impedance
(1C = 20 mAdc, VCE *• 10 Vdc. < = 300 MHz)
Re(hie)
—
30
Ohms
SWITCHING CHARACTERISTICS
Turn-On Time
(Vcc = 30 Vdc, Ic = 10 mAdc, IB1 = 1.0mAdc)
ton
-
300
ns
Turn-Off Time
(Vcc • 30 vdc- >C = 10 mAdc. IBI = >B2 = 1-0 tnMc)
toff
—
1000
ns
(1) Pulse Test: Pulse Width £ 300 MS, Duty Cycle = 2.0%.
(2) fy is defined as the frequency at which |hfe| extrapolates to unity.
FIGURE 1 - TURN-ON TIME TEST CIRCUIT
FIGURE 2- TURN-OFF TIME TEST CIRCUIT
DUTY CYCLE •; 2.0%
13 > 1.0 ml
DUTY CYCLE-! 10
Quality Semi-Conductors
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