Page 1

MBT3904DW
Dual General Purpose Transistor
NPN+NPN Silicon
Maximum Ratings
Rating
Collector-Emitter Voltage
Collector-Base Voltage
Emitter-Base Voltage
Collector Current-Continuous
Thermal Characteristics
Characteristics
Total Device Dissipation TA=25 C
Thermal Resistance, Junction to Ambient
Junction and Storage, Temperature
2
3
4
5
NPN+NPN
Symbol
V
CEO
V
CBO
V
EBO
I
C
Symbol Max
P
D
R
JA
θ
T
J,Tstg
Value
150
833
-55 to +150
1
6
40
60
6.0
200
6
5
4
1
2
3
SOT-363(SC-88)
Unit
Vdc
Vdc
Vdc
mAdc
Unit
mW
C/W
C
Device Marking
MBT3904DW=MA
Electrical Characteristics
Characteristics Symbol
(TA=25 C Unless Otherwise noted)
Off C haracteristics
Collector-Emitter Breakdown Voltage
Collector-Base Breakdown Voltage (IC=10 uAdc, IE=0)
Emitter-Base Breakdown Voltage (IE=10 uAdc, IC=0)
Base Cutoff Current (VCE=30 Vdc, VEB =3.0 Vdc)
Collector Cutoff Current (VCE=30Vdc, VEB=3.0Vdc)
1. Device Mounted FR4 glass epoxy printed circuit board using the minimun recommended footprint.
2. Pulse Test:Pulse Width 300uS, Duty Cycle 2.0%
<
=
(2)
(IC=1.0mAdc.IB=0)
<
=
V(BR)CEO
V(BR)CBO
V(BR)EBO
IBL
ICEX
Min Max
40
60
6.0
-
-
-
-
-
50
50
Unit
Vdc
Vdc
Vdc
nAdc
nAdc
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Page 2

MBT3904DW
Electrical Characteristics (T
Characteristics
On Characteristics
DC Current Gain
(IC= 0.1 mAdc, VCE=1.0Vdc)
(IC= 1.0 mAdc, VCE= 1.0 Vdc)
(IC= 10 mAdc, VCE= 1.0Vdc)
(IC= 50 mAdc, VCE= 1.0Vdc)
(IC= 100 mAdc, VCE= 1.0Vdc)
Collector-Emitter Saturation Voltage
(IC= 10 mAdc, IB= 1.0mAdc)
(IC= 50 mAdc, IB= 5.0mAdc)
Base-Emitter Saturation Voltage
(IC= 10 mAdc, IB= 1.0 mAdc)
(IC= 50 mAdc, IB= 5.0 mAdc)
(2)
(2)
(2)
Small-signal Characteristics
Current-Gain-Bandwidth Product
(IC= 10 mAdc, VCE= 20 Vdc, f=100MHz)
=25 C unless otherwise noted) (Countinued)
A
Symbol
H
FE
V
CE(sat)
V
BE(sat)
f
T
Min
40
70
100
60
30
-
-
0.65
-
300
Max
-
-
300
-
-
0.2
0.3
0.85
0.95
-
Unit
-
Vdc
Vdc
MHz
Output Capacitance
(VCB= 5.0 Vdc, IE=0, f=1.0MHz)
Input Capacitance
(VEB= 0.5 Vdc, IC=0, f=1.0MHz)
Input Impedance
(VCE= 10 Vdc, IC=1.0 mAdc, f=1.0 kHz)
Voltage Feeback Radio
(VCE= 10Vdc, IC=1.0 mAdc, f=1.0 kHz)
Small-Signal Current Gain
(VCE= 10Vdc, IC=1.0 mAdc, , f=1.0 kHz)
Output Admittance
(VCE= 10Vdc, IC=1.0 mAdc, f=-1.0kHz)
Noise Figure
(VCE= 5.0Vdc, IC= 100 µAdc, , RS=1.0k ohms, f=1.0kHz)
Switching Characteristics
Delay Time
Rise Time
Storage Time
Fall Time
(Vcc= 3.0 Vdc, VBE= -0.5 Vdc
Ic= 10 mAdc, IB1= 1.0 mAdc)
(Vcc= 3.0 Vdc,
Ic= 10 mAdc, IB1=IB2= 1.0 mAdc)
C
obo
C
h
h
h
ibo
h
NF
td
tr
ts
tf
ie
re
fe
oe
-
-
1.0
0.5
100
1.0
-
-
-
-
-
4.0
8.0
10
8.0
400
40
5.0
35
35
200
50
pF
pF
k ohms
-4
x 10
-
µmhos
dB
ns
ns
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Page 3

MBT3904DW
DUTY CYCLE=2%
300 ns
+10.9V
-0.5V
Figure 1. Delay and Rise Time
Equivalent Test Circuit
TYPICAL TRANSIENT CHARACTERISTICS
<1ns
+3V
10<t1<500µs
275
DUTY CYCLE=2%
10k
CS<4 pF
*Total shunt capacitance of test jig and connectors
0
-9.1V
t
1
+10.9V
+3V
275
10k
1N916
CS<4 pF
<1ns
Figure 2. Storage and Fall Time
Equivalent Test Circuit
10
7.0
5.0
C
ibo
3.0
2.0
CAPACITANCE(pF)
1.0
0.1 0.2 0.3 0.5 0.7 1.0 2.0 3.0 5.0 7.0 10 20 30 40
REVERSE BIAS VOLTAGE (VOLTS)
C
obo
Figure 3. Capacitance
TJ=25 C TJ=125 C
5000
VCC=40V
3000
IC / IB=10
2000
1000
700
500
300
Q CHARGE (pC)
200
100
70
50
1.0 2.0 3.0 5.0 7.0 10 20
Q
T
Q
50 70 100 200
30
IC COLLECTOR CURRENT (mA)
Figure 4. Charge Data
A
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Page 4

MMBT3904W
500
300
200
100
70
50
30
TIME (ns)
20
10
7
5
1.0 2.0 3.0 5.0 7.0 10 20 30 50 70 100 200
td@VOB=0V
IC / IB=10
tr@VCC=3.0V
IC COLLECTOR CURRENT
Figure 5.Turn-On Time
500
300
IC / IB=20
200
100
70
50
30
STORAGE TIME (ns)
20
,
s
I
10
7
5
1.0 2.0 3.0 5.0 7.0 10 20 30 50 70 100 200
IC / IB=10
IC COLLECTOR CURRENT (mA)
t , =ts-1/8t
s
IB1=I
IC / IB=20
IC / IB=10
Figure 7. Storage Time
40V
2.0V
B2
15V
f
500
V
300
200
100
70
50
30
RISE TIME (ns)
f
20
t
10
7
5
1.0 2.0 3.0 5.0 7.0 10 20 30 50 70 100 200
CC
IC / IB=10
IC COLLECTOR CURRENT (mA)
Figure 6. Rise Time
500
300
200
100
70
50
30
FALL TIME (ns)
f
t
20
10
7
5
1.0 2.0 3.0 5.0 7.0 10 20 30 50 70 100 200
IC / IB=10
IC / IB=20
VCC=40V
IB1=I
IC COLLECTOR CURRENT (mA)
Figure 8. Fall Time
=40V
B2
TYPICAL AUDIO SMALL-SIGNAL CHARACTERISTICS NOISE FIGURE VARIATIONS
12
10
8
6
4
NF NOISE FIGURE (dB)
2
0
SOURCE RESISTANCE=200
IC=1.0 mA
SOURCE RESISTANCE=500½
IC=100µA
0.1 0.2 0.4 1.0 2.0 4.0 10 20 40 100
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(VCE=5.0 Vdc. TA=25 C, Bandwidth=1.0Hz)
SOURCE RESISTANCE=200
IC=0.5 mA
SOURCE RESISTANCE=1.0k
IC=50µA
f FREQUENCY (kHz)
Figure 9.
14
f =1.0kHz
12
10
8
6
4
NF NOISE FIGURE (dB)
2
0
0.1 0.2 0.4 1.0 2.0 4.0 10 20 40 100
IC=1.0mA
IC=0.5mA
IC=50 µA
IC=100 µA
RS SOURSE RESISTANCE (kOHMS)
Figure 10.
Page 5

MBT3904DW
h PARAMETERS
300
200
100
70
hfe CURRENT GAIN
50
30
0.1 0.2 0.3 0.5 1.0 2.0 3.0 5.0 10
IC COLLECTOR CURRENT (mA)
Figure 11. Current Gain
20
10
5.0
2.0
(VCE=10 Vdc,m f=1.0 kHz, TA=25 C)
100
50
20
10
5
2
OUTPUT ADMITTANCE (µ mhos)
oe
h
1
0.1 0.2 0.3 0.5 1.0 2.0 3.0 5.0 10
IC COLLECTOR CURRENT (mA)
Fiugure 12. Output Admittance
)
10
-4
7.0
5.0
3.0
2.0
1.0
INPUT IMPEDANCE (k OHMS)
fe
0.5
h
0.2
0.2 0.3 0.5 1.0 2.0 3.0 5.0 10
0.1
IC COLLECTOR CURRENT (mA)
Figure 13. Input Impedance
1.0
0.7
VOLTAGE FEEDBACK RADIO (X 10
fe
0.5
h
0.1 0.2 0.3 0.5 1.0 2.0 3.0 5.0 10
IC COLLECTOR CURRENT (mA)
Figure 14. Voltage Feedback Radio
TYPICAL STATIC CHARACTERISTICS
2.0
1.0
0.7
0.5
0.3
0.2
DC CURRENT GAIN (NORMALIZED)
fe
h
0.1
0.1 0.2 0.3 0.5 0.7 1.0 2.0 3.0 5.0 7.0 10 20 30 50 70 100 200
TJ=+125 C
+25 C
-55 C
IC COLLECTOR CURRENT (mA)
Figure 15. DC Current Gain
VCE=1.0V
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Page 6

MBT3904DW
1.0
TJ=25 C
0.8
0.6
0.4
0.2
COLLECTOR EMITTER VOLTAGE (VOLTS)
0
0.01 0.02 0.03 0.05 0.07 0.1 0.2 0.3 0.5 0.7 1.0 2.0 3.0 5.0 7.0 10
CE
V
Ic=1.0mA
10mA
IB BASE CURRENT (mA)
30mA
100mA
Figure 16. Collector Saturation Ragion
1.2
TJ=25 C
1.0
0.8
0.6
0.4
V VOLTAGE (VOLTS)
0.2
0
1.0 2.0 5.0 10 20 50 100 200
V
BE(sat
V
BE(sat)@VCE
V
CE(sat)@IC/IB
)@IC/IB=10
=10
IC COLLECTOR CURRENT (mA)
Figure 17. "ON" Voltage
=1.0V
1.0
0.5
qVC FOR V
0
-0.5
-1.0
CE(sat)
COEFFICIENT (mV/ C)
-1.5
-2.0
qVB FOR V
20
0
BE(sat)
60
40
100
80
+25 C to +125 C
-55 C to +25 C
-55 C to +25 C
+25 C to +125 C
140
120
160
IC COLLECTOR CURRENT (mA)
Figure 18. Temperature Coefficients
180 200
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Page 7

MBT3904DW
SOT-363 Package Outline Dimensions
A
654
B
C
123
E
D
H
K
J
L
M
Dim
A
B
C
D
E
H
J
K
L
M
SOT-363
Min
0.10
1.15
2.00
0.65 REF
0.30
1.80
-
0.80
0.25
0.10
Unit:mm
Max
0.30
1.35
2.20
0.40
2.20
0.10
1.10
0.40
0.25
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