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2N2222A Datasheet(PDF) 3 Page - STMicroelectronics

Part No. 2N2222A
Description  HIGH SPEED SWITCHES
Download  8 Pages
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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2N2222A Datasheet(HTML) 3 Page - STMicroelectronics

   
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ELECTRICAL CHARACTERISTICS (continued)
Symbo l
Parameter
Test Con ditions
Min.
Typ.
Max.
Unit
NF
Noise Figure
IC =0.1 mA
VCE =10 V
f= 1KHz
Rg =1K
4dB
hie
Input I mpedance
IC =1 mA
VCE =10 V
IC =10 mA
VCE =10 V
2
0.25
8
1.25
k
k
hre
Reverse Voltage Ratio
IC =1 mA
VCE =10 V
IC =10 mA
VCE =10 V
8
4
10
-4
10
-4
hoe
Out put Admittance
IC =1 mA
VCE =10 V
IC =10 mA
VCE =10 V
5
25
35
200
µS
µS
td
∗∗
Delay Time
VCC =30 V
IC = 150 mA
IB1 =15 mA
VBB =-0.5 V
10
ns
tr
∗∗
Rise Time
VCC =30 V
IC = 150 mA
IB1 =15 mA
VBB =-0.5 V
25
ns
ts
∗∗
Storage T ime
VCC =30 V
IC = 150 mA
IB1 =-IB2 =15 mA
225
ns
tf
∗∗
Fall T ime
VCC =30 V
IC = 150 mA
IB1 =-IB2 =15 mA
60
ns
rbb ’ Cb’c
Feedback Time
Constant
IC =20 mA
VCE =20 V
f= 31.8MHz
150
ps
∗ Pulsed: Pulse duration = 300 µs, duty cycle ≤ 1%
∗∗ See test circuit
2N2219A/2N2222A
3/8


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