MMBT3904
General Purpose Transistor
NPN Silicon
COLLECTOR
3
3
1
BASE
1
2
2
EMITTER
SOT-23
Maximum Ratings
Rating
Collector-Emitter Voltage
Collector-Base Voltage
Emitter-Base VOltage
Collector Current-Continuous
Symbol
VCEO
VCBO
VEBO
IC
Value
40
60
6.0
200
Unit
Vdc
Vdc
Vdc
mAdc
Thermal Characteristics
Characteristics
Total Device Dissipation FR-5 Board
(1)
T
A
=25 C
Derate above 25 C
Thermal Resistance, Junction to Ambient
Total Device Dissipation
Alumina Substrate,
(2)
T
A
=25 C
Derate above 25 C
Thermal Resistance, Junction to Ambient
Junction and Storage, Temperature
Symbol
PD
R
q
JA
PD
R
q
JA
TJ,Tstg
Max
225
1.8
556
300
2.4
417
-55 to +150
Unit
mW
mW/ C
C/W
mW
mW/ C
C/W
C
Device Marking
MMBT3904=1AM
Electrical Characteristics
Off C har acter istics
(T
A
=25 C Unless Otherwise noted)
Symbol
Min
Max
Unit
Characteristics
Collector-Emitter Breakdown Voltage
(3)
(I
C
=1.0mAdc.I
B
=0)
Collector-Base Breakdown Voltage (I
C
=10 µAdc, I
E
=0)
Emitter-Base Breakdown Voltage (I
E
=10 µAdc, I
C
=0)
Base Cutoff Current (V
CE
=30 Vdc, V
EB
=3.0 Vdc)
Collector Cutoff Current (V
CE
=30Vdc, V
EB
=3.0Vdc)
1.FR-5=1.0 x 0.75 x 0.062 in.
2.Alumina=0.4 x 0.3 x 0.024 in. 99.5% alumina.
3.Pulse Test:Pukse Width
<
300 uS, Duty Cycle
<
2.0%.
=
=
V
(BR)CEO
V
(BR)CBO
V
(BR)EBO
I
BL
I
CEX
40
60
6.0
-
-
-
50
50
Vdc
Vdc
Vdc
nAdc
nAdc
-
-
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