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2N2218A Datasheet(PDF) 3 Page - Microsemi Corporation

Part No. 2N2218A
Description  SMALL SIGNAL BIPOLAR NPN SILICON
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Maker  MICROSEMI [Microsemi Corporation]
Homepage  http://www.microsemi.com
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MSCO933A 10-14-98
DSW2N2218A <-> (34724)
2N2218A
Electrical Characteristics (TA = 25°C unless otherwise noted)
SMALL - SIGNAL CHARACTERISTICS
SYMBOL
MIN
MAX
UNIT
Output Capacitance
Cobo
( VCB = 10 Vdc,
IE = 0, 100kHz
≤≤ f ≤≤ 1 MHz )
8.0
pF
Input
Capacitance
Cibo
( VEB = 0.5 Vdc, IC = 0, 100kHz
≤≤ f ≤≤ 1 MHz )
25
pF
SWITCHING CHARACTERISTICS
SYMBOL
MIN
MAX
UNIT
Turn - On Time
ton
( VCC = 30 Vdc,
IC = 150 mAdc,
IB1 =15 mAdc)
( See FIGURE 1 )
35
ns
Turn - Off Time
toff
( VCC = 30 Vdc,
IC = 150 mAdc,
IB1 = - IB2 = 15 mAdc) ( See FIGURE 2 )
300
ns
Small - Signal AC Characteristics (TA = 25°C)
LOW FREQUENCY
SYMBOL
MIN
MAX
UNIT
Common - Emitter Forward Current Transfer Ratio
hfe
( IC = 1 mA,
VCE = 10 V,
f = 1kHz )
3 5
HIGH FREQUENCY
Common - Emitter Forward Current Transfer Ratio
|hfe|
( IC = 20 mA, VCE = 20 V, f = 100 MHz )
2.5
1 2
S p i c e M o d e l
(based upon typical device characteristics) * 1
Q2N2218A NPN ( IS = 21.2f
XTI = 3.0
EG = 1.11
VAF = 103.8
BF = 90.7
ISE = 3.34p
+ NE = 2.05
IKF = 1.255
NK = 0.9394
XTB =
1.5
BR =
1.031
ISC = 3.299p
+ NC = 1.605 IKR = 0.8992
RC = 0.0
CJC = 19.4p
MJC =
0.3333
VJC = 0.75
+ FC = 0.5
CJE = 29.6p
MJE = 0.3333
VJE = 0.75
TR = 275.0 n
TF= 564.5p
+ ITF = 1.0
XTF = 0.0
VTF = 10.0 )
*1. Microsemi Corp. claims no responsibility for misapplication of Spice Model information. Spice modeling should be
used as a precursor guide to in-circuit performance. Actual performance is the responsibility of the user/designer.




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