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2N2219A Datasheet(PDF) 3 Page - STMicroelectronics

Part No. 2N2219A
Description  HIGH SPEED SWITCHES
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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 3 page
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ELECTRICAL CHARACTERISTICS (continued)
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
NF
Noise Figure
IC = 0.1 mA
VCE = 10 V
f = 1KHz
Rg = 1K
4dB
hie
Input Impedance
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
Output 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 Time
VCC = 30 V
IC = 150 mA
IB1 = -IB2 = 15 mA
225
ns
tf
∗∗
Fall Time
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
3/7




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