Diodes MMBT3904 - Manual (Page 3)

MMBT3904
Document number: DS30036 Rev. 21 - 2
3 of 7
www.diodes.com
November 2013
© Diodes Incorporated
MMBT3904
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)
0.001
0.01
0.1
1
0.1 1 10 100
V , COLLECTOR-EMITTER VOLTAGE (V)
CE
I,
C
O
LL
E
C
T
O
R
C
U
R
R
E
N
T
(
A
)
C
Fig. 5 Typical Collector Current
vs. Collector-Emitter Voltage
DC
Pw = 100ms
Pw = 10ms
T = 25°C
A
Single Non-repetitive Pulse
DUT mounted onto 1xMRP
FR-4 board