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MMBT2222ALP4 Datasheet(PDF) 3 Page - Diodes Incorporated

Part # MMBT2222ALP4
Description  40V NPN SMALL SIGNAL SURFACE MOUNT TRANSISTOR
PDF  7 Pages
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Manufacturer  DIODES [Diodes Incorporated]
Direct Link  http://www.diodes.com
Logo DIODES - Diodes Incorporated

MMBT2222ALP4 Datasheet(HTML) 3 Page - Diodes Incorporated

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MMBT2222ALP4
Document number: DS35506 Rev. 3 - 2
3 of 7
www.diodes.com
August 2012
© Diodes Incorporated
MMBT2222ALP4
Thermal Characteristics
0.000001
0.0001
0.01
1
100
10,000
0.001
0.01
0.1
1
t1, PULSE DURATION TIME (sec)
Figure 1 Transient Thermal Resistance
R
(t) = r(t) * R
R
= 272°C/W
Duty Cycle, D = t1/ t2
θθ
θ
JA
JA
JA
D = 0.5
D = 0.7
D = 0.9
D = 0.3
D = 0.1
D = 0.05
D = 0.02
D = 0.01
D = 0.005
D = Single Pulse
1,000
1E-06
0.0001
0.01
1
100
10,000
100
10
1
0.1
t1, PULSE DURATION TIME (sec)
Figure 2 Single Pulse Maximum Power Dissipation
Single Pulse
R
= 272 C/W
R
= r
* R
T - T = P * R
θ
θθ
θ
JA
JA(t)
(t)
JA
JA
JA(t)
°
0
50
100
150
200
0
0.1
0.2
0.3
0.4
0.5
T , AMBIENT TEMPERATURE (°C)
Figure 3 Power Dissipation vs. Ambient Temperature
A
R
= 272 C/W
θJA
°



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