Diodes MMBT4401 - Manual (Page 3)

MMBT4401
Document Number: DS30039 Rev. 17 - 2
3 of 7
www.diodes.com
November 2013
© Diodes Incorporated
MMBT4401
Thermal Characteristics and Derating Information
0 25 50 75 100 125 150
0.0
0.1
0.2
0.3
0.4
Derating Curve
Temperature (°C)
M
ax P
o
w
er
D
issi
pa
tio
n (W
)
100µ 1m 10m 100m 1 10 100 1k
0
50
100
150
200
250
300
350
400
Transient Thermal Impedance
D=0.5
D=0.2
D=0.1
Single Pulse
D=0.05
T
he
rm
a
l R
e
si
st
an
ce
(
°C
/W
)
Pulse Width (s)
10m 100m 1 10 100 1k
0.1
1
10
Single Pulse. T
amb
=25°C
Pulse Power Dissipation
Pulse Width (s)
M
ax
P
o
we
r Di
ss
ip
at
io
n (W)
100m 1 10
1m
10m
100m
1
75µs
15mm x 15mm 1oz Copper Board
Single Pulse
T
amb
=25°C
V
CE(sat)
Limited
100µs
1ms
10ms
100ms
1s
DC
Safe Operating Area
-I
C
Co
lle
ct
or Cu
rre
nt
(A
)
-V
CE
Collector-Emitter Voltage (V)