2007-09-20
1
SMBT3904...MMBT3904
NPN Silicon Switching Transistors
• High DC current gain: 0.1 mA to 100 mA
• Low collector-emitter saturation voltage
• For SMBT3904S / SMBT3904U:
Two (galvanic) internal isolated transistors
with good matching in one package
• Complementary types: SMBT3906... MMBT3906
• SMBT3904S / U: For orientation in reel
see package information below
• Pb-free (RoHS compliant) package1)
• Qualified according AEC Q101
SMBT3904S/U
EHA07178
654
321
C1 B2 E2
C2B1E1
TR1 TR2
Type Marking Pin Configuration Package
SMBT3904/MMBT3904
SMBT3904S
SMBT3904U
s1A
s1A
s1A
1=B
1=E1
1=E1
2=E
2=B1
2=B1
3=C
3=C2
3=C2
-
4=E2
4=E2
-
5=B2
5=B2
-
6=C1
6=C1
SOT23
SOT363
SC74
1Pb-containing package may be available upon special request
2007-09-20
2
SMBT3904...MMBT3904
Maximum Ratings
Parameter Symbol Value Unit
Collector-emitter voltage VCEO 40 V
Collector-base voltage VCBO 60
Emitter-base voltage VEBO 6
Collector current IC200 mA
Total power dissipation-
TS ≤ 69°C
TS ≤ tbd°C
TS ≤ 115°C
TS ≤ 105°C
Ptot
330
250
250
330
mW
Junction temperature Tj150 °C
Storage temperature Tst
g
-65 ... 150
Thermal Resistance
Parameter Symbol Value Unit
Junction - soldering point1)
SMBT3904/MMBT3904
SMBT3904S
SMBT3904U
RthJS
≤ 245
≤ 140
≤ 135
K/W
1For calculation of RthJA please refer to Application Note Thermal Resistance
2007-09-20
3
SMBT3904...MMBT3904
Electrical Characteristics at T
A
= 25°C, unless otherwise specified
Parameter Symbol Values Unit
min. typ. max.
DC Characteristics
Collector-emitter breakdown voltage
IC = 1 mA, IB = 0 V(BR)CEO 40 - - V
Collector-base breakdown voltage
IC = 10 µA, IE = 0 V(BR)CBO 60 - -
Emitter-base breakdown voltage
IE = 10 µA, IC = 0 V(BR)EBO 6 - -
Collector-base cutoff current
VCB = 30 V, IE = 0 ICBO - - 50 nA
DC current gain1)
IC = 100 µA, VCE = 1 V
IC = 1 mA, VCE = 1 V
IC = 10 mA, VCE = 1 V
IC = 50 mA, VCE = 1 V
IC = 100 mA, VCE = 1 V
hFE
40
70
100
60
30
-
-
-
-
-
-
-
300
-
-
-
Collector-emitter saturation voltage1)
IC = 10 mA, IB = 1 mA
IC = 50 mA, IB = 5 mA
VCEsat
-
-
-
-
0.2
0.3
V
Base emitter saturation voltage1)
IC = 10 mA, IB = 1 mA
IC = 50 mA, IB = 5 mA
VBEsat
0.65
-
-
-
0.85
0.95
1Pulse test: t < 300µs; D < 2%
2007-09-20
4
SMBT3904...MMBT3904
Electrical Characteristics at TA = 25°C, unless otherwise specified
Parameter Symbol Values Unit
min. typ. max.
AC Characteristics
Transition frequency
IC = 10 mA, VCE = 20 V, f = 100 MHz fT300 - - MHz
Collector-base capacitance
VCB = 5 V, f = 1 MHz Ccb - - 3.5 pF
Emitter-base capacitance
VEB = 0.5 V, f = 1 MHz Ceb - - 8
Delay time
VCC = 3 V, IC = 10 mA, IB1 = 1 mA,
VBE(off) = 0.5 V
td- - 35 ns
Rise time
VCC = 3 V, IC = 10 mA, IB1 = 1 mA,
VBE(off) = 0.5 V
tr- - 35
Storage time
VCC = 3 V, IC = 10 mA, IB1 = IB2 = 1 mA tstg - - 200
Fall time
VCC = 3 V, IC = 10 mA, IB1 = IB2 = 1 mA tf- - 50
Noise figure
IC = 100 µA, VCE = 5 V, f = 1 kHz,
∆ f = 200 Hz, RS = 1 kΩ
F- - 5 dB
2007-09-20
5
SMBT3904...MMBT3904
Test circuits
Delay and rise time
EHN00061
275
10 k
+3.0 V
0-0.5 V <4.0 pF
C
+10.9 V
D= 2%300 ns
<1.0 ns
Ω
Ω
Storage and fall time
EHN00062
275
10
+3.0 V
0
-9.1 <4.0 pF
C
+10.9 V
D= 2%
1N916
<1.0
t1
µs50010 t1Ω
Ω
V
k
ns
<<
2007-09-20
6
SMBT3904...MMBT3904
DC current gain hFE = ƒ(IC)
VCE = 10 V, normalized
EHP00765
10
10 mA
h
C
5
FE
10
1
0
10
-1
5
10 10 10
-1 0 1 2
Ι
125 C
25 C
-55 C
55 2
Saturation voltage IC = ƒ(VBEsat; VCEsat)
hFE = 10
EHP00756
2
0V
BE sat
C
101
100
5
Ι
V
mA
0.2 0.4 0.6 0.8 1.0 1.2
CE sat
V,
5
102
VBE
VCE
Collector-base capacitance Ccb = ƒ(VCB)
Emitter-base capacitance Ceb = ƒ(VEB)
0 4 8 12 16 A22
VCB(VEB
0
1
2
3
4
5
6
7
pF
9
CCB(CEB)
CCB
CEB
Total power dissipation Ptot = ƒ(TS)
SMBT3904/MMBT3904
0 15 30 45 60 75 90 105 120 °C 150
TS
0
30
60
90
120
150
180
210
240
270
300
mW
360
Ptot
2007-09-20
7
SMBT3904...MMBT3904
Total power dissipation Ptot = ƒ(TS)
SMBT3904S
0 15 30 45 60 75 90 105 120 °C 150
TS
0
25
50
75
100
125
150
175
200
225
250
mW
300
Ptot
Total power dissipation Ptot = ƒ(TS)
SMBT3904U
0 15 30 45 60 75 90 105 120 °C 150
TS
0
30
60
90
120
150
180
210
240
270
300
mW
360
Ptot
Permissible Pulse Load
Ptotmax/PtotDC = ƒ(tp)
SMBT3904/MMBT3904
10
EHP00935
-6
0
10
5
D
=
5
10
1
10
2
3
10
10
-5
10
-4
10
-3
10
-2
10
0
s
0
0.005
0.01
0.02
0.05
0.1
0.2
0.5
-1
10
totmax
tot
P
DC
P
p
t
t
p
=
DT
t
p
T
Permissible Puls Load RthJS = ƒ (tp)
SMBT3904S
10 -6 10 -5 10 -4 10 -3 10 -2 10 0
stp
-1
10
0
10
1
10
2
10
3
10
K/W
RthJS
0.5
0.2
0.1
0.05
0.02
0.01
0.005
D = 0
2007-09-20
8
SMBT3904...MMBT3904
Permissible Pulse Load
Ptotmax/PtotDC = ƒ(tp)
SMBT3904S
10 -6 10 -5 10 -4 10 -3 10 -2 10 0
stp
0
10
1
10
2
10
3
10
-
Ptotmax/PtotDC
D = 0
0.005
0.01
0.02
0.05
0.1
0.2
0.5
Permissible Puls Load RthJS = ƒ (tp)
SMBT3904U
10 -6 10 -5 10 -4 10 -3 10 -2 10 0
stp
0
10
1
10
2
10
3
10
K/W
RthJS
D=0.5
0.2
0.1
0.05
0.02
0.01
0.005
0
Permissible Pulse Load
Ptotmax/PtotDC = ƒ(tp)
SMBT3904U
10 -6 10 -5 10 -4 10 -3 10 -2 10 0
stp
0
10
1
10
2
10
Ptotmax /PtotDC
D=0
0.005
0.01
0.02
0.05
0.1
0.2
0.5
Delay time td = ƒ(IC)
Rise time tr = ƒ(IC)
EHP00761
10 mA
t
C
r
10
1
10
0
10 10
01 2
Ι
55
ns
r
t
t
d
,
3
10
d
t
10
2
10
3
= 3 V
CC
V
0 V
V= 2 V
BE
40 V
15 V
h
FE
= 10
2007-09-20
9
SMBT3904...MMBT3904
Storage time tstg = ƒ(IC)
EHP00762
10 mA
t
C
s
10
1
10
0
10 10
01 2
Ι
55
ns
3
10
10
2
10
3
h
FE
= 20
10
25 C
125 C
10
= 20
FE
h
Fall time tf = ƒ(IC)
EHP00763
10 mA
t
C
f
10
1
10
0
10 10
01 2
Ι
55
ns
3
10
10
2
10
3
h
FE
= 20
25 C
125 C
CC
V= 40 V
= 10
FE
h
Rise time tr = ƒ(IC)
EHP00764
10 mA
t
C
r
10
1
10
0
10 10
01 2
Ι
55
ns
3
10
10
2
10
3
25 C
125 C
CC
V= 40 V
= 10
FE
h
2007-09-20
10
SMBT3904...MMBT3904
Package SC74
Package Outline
Foot Print
Standard Packing
0.5
0.95
1.9
2.9
546
321
1.1 MAX.
(0.35)
(2.25)
±0.2
2.9 B
0.2
+0.1
-0.05
0.35
Pin 1
marking MB6x
0.95
1.9
0.15-0.06
+0.1
1.6
10˚ MAX.
A
±0.1
2.5
0.25
10˚ MAX.
±0.1
±0.1
A0.2 M
0.1 MAX.
2.7
4
3.15
Pin 1
marking
8
0.2
1.15
Reel ø180 mm = 3.000 Pieces/Reel
Reel ø330 mm = 10.000 Pieces/Reel
For symmetric types no defined Pin 1 orientation in reel.
Manufacturer
2005, June
Date code (Year/Month)
BCW66H
Type code
Pin 1 marking
Laser marking
Marking Layout (Example)
Small variations in positioning of
Date code, Type code and Manufacture are possible.
2007-09-20
11
SMBT3904...MMBT3904
Package SOT23
Package Outline
Foot Print
Marking Layout (Example)
Standard Packing
Reel ø180 mm = 3.000 Pieces/Reel
Reel ø330 mm = 10.000 Pieces/Reel
EH
s
BCW66
Type code
Pin 1
0.8
0.9 0.91.3
0.8 1.2
0.25
M
BC
1.9
-0.05
+0.1
0.4
±0.1
2.9
0.95
C
B
0...8˚
0.2 A
0.1 MAX.
10˚ MAX.
0.08...0.15
1.3
±0.1
10˚ MAX.
M
2.4
±0.15
±0.1
1
A
0.15 MIN.
1)
1) Lead width can be 0.6 max. in dambar area
12
3
3.15
4
2.65
2.13
0.9
8
0.2
1.15
Pin 1
Manufacturer
2005, June
Date code (YM)
2007-09-20
12
SMBT3904...MMBT3904
Package SOT363
Package Outline
Foot Print
Marking Layout (Example)
Standard Packing
Reel ø180 mm = 3.000 Pieces/Reel
Reel ø330 mm = 10.000 Pieces/Reel
For symmetric types no defined Pin 1 orientation in reel.
Small variations in positioning of
Date code, Type code and Manufacture are possible.
Manufacturer
2005, June
Date code (Year/Month)
BCR108S
Type code
Pin 1 marking
Laser marking
0.3
0.70.9
0.65
0.65
1.6
0.2
4
2.15 1.1
8
2.3
Pin 1
marking
+0.1
0.2
1
6
23
5 4
±0.2
2
+0.1
-0.05
0.15
±0.1
1.25
0.1 MAX.
0.9±0.1
A
-0.05 6x 0.1 M
0.650.65
2.1
±0.1
0.1
0.1 MIN.
M
0.2 A
Pin 1
marking
2007-09-20
13
SMBT3904...MMBT3904
Edition 2006-02-01
Published by
Infineon Technologies AG
81726 München, Germany
© Infineon Technologies AG 2007.
All Rights Reserved.
Attention please!
The information given in this dokument shall in no event be regarded as a guarantee
of conditions or characteristics (“Beschaffenheitsgarantie”). With respect to any
examples or hints given herein, any typical values stated herein and/or any information
regarding the application of the device, Infineon Technologies hereby disclaims any
and all warranties and liabilities of any kind, including without limitation warranties of
non-infringement of intellectual property rights of any third party.
Information
For further information on technology, delivery terms and conditions and prices
please contact your nearest Infineon Technologies Office (www.infineon.com).
Warnings
Due to technical requirements components may contain dangerous substances.
For information on the types in question please contact your nearest
Infineon Technologies Office.
Infineon Technologies Components may only be used in life-support devices or
systems with the express written approval of Infineon Technologies, if a failure of
such components can reasonably be expected to cause the failure of that
life-support device or system, or to affect the safety or effectiveness of that
device or system.
Life support devices or systems are intended to be implanted in the human body,
or to support and/or maintain and sustain and/or protect human life. If they fail,
it is reasonable to assume that the health of the user or other persons
may be endangered.
