Safe operating area, Derating curve, Transient thermal impedance – Diodes MMBT3906FA User Manual
Page 3: Pulse power dissipation
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MMBT3906FA
Document number: DS36017 Rev. 1 - 2
3 of 7
July 2013
© Diodes Incorporated
MMBT3906FA
Thermal Characteristics and Derating Information
100m
1
10
10m
100m
100µs
Single Pulse
T
amb
=25°C
V
CE(sat)
Limited
1ms
10ms
100ms
1s
DC
Safe Operating Area
- I
C
Col
le
c
tor Current
(A
)
- V
CE
Collector-Emitter Voltage (V)
0
20
40
60
80
100
120
140
160
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
0.45
Derating Curve
Temperature (°C)
M
a
x P
o
we
r Di
ssi
pa
ti
o
n
(W
)
100µ
1m
10m 100m
1
10
100
1k
0
25
50
75
100
125
150
175
200
225
250
275
300
T
amb
=25°C
Transient Thermal Impedance
D=0.5
D=0.2
D=0.1
Single Pulse
D=0.05
T
h
erm
a
l Res
ist
ance (°
C/
W)
Pulse Width (s)
100µ
1m
10m 100m
1
10
100
1k
1
10
100
Single Pulse
T
amb
=25°C
Pulse Power Dissipation
Pulse Width (s)
Max
imum P
o
w
e
r (
W
)
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