SST4401 / MMST4401
Transistors
NPN Medium Power Transistor
(Switching)
SST4401 / MMST4401
zFeatu res
1) BVCEO>40V (IC=1mA)
2) Complements the SST4403 / MMST4403.
zPackage, marking, and p ackaging specifications
Part No.
Packaging type
Marking
Code
Basic ordering unit (pieces)
SST4401
SST3
R2X
T116
3000
MMST4401
SMT3
R2X
T146
3000
zAbsolute maximum ratings (Ta=25°C)
Parameter
Collector-base voltage
Collector-emitter voltage
Emitter-base voltage
Collector current
Collector power dissipation
Junction temperature
Storage temperature
Mounted on a 7 5 0.6mm CERAMIC SUBSTRATE
∗
+
+
Symbol
CBO
V
V
CEO
V
EBO
I
C
P
Tj
Tstg
Limits
60
40
6
0.6
C
0.2
0.35
150
−
55 to +150
Unit
zElectrical characteristics (T a=25°C)
Collector-base breakdown voltage
Collector-emitter breakdown voltage
Emitter-base breakdown voltage
Collector cutoff current
Emitter cutoff current
Collector-emitter saturation voltage
Base-emitter saturation voltage
DC current transfer ratio
Transition frequency
Collector output capacitance
Emitter input capacitance
Delay time
Rise time
Storage time
Fall time
Parameter
Symbol Min. Typ. Max.
BV
BV
BV
V
V
I
CBO
I
EBO
CE(sat)
BE(sat)
h
f
Cob
Cib
td
tstg
CBO
CEO
EBO
FE
T
tr
tf
60
40
6
−
−
−−
−−
−−
−−
20
40
80
100
40
250
−
−−
−−
−−
−−
−−
V
V
V
A
W
W
˚C
˚C
−
−
−
−
−
−−
−−
−−
−
−−
−
−
zDimensions (Unit : mm)
SST4401
ROHM : SST3
MMST4401
ROHM : SMT3
EIAJ : SC-59
Unit
C
=
100µA
µA
µA
MHz
pF
pF
ns
ns
ns
V
V
V
V
V
−
I
C
=
1mA
I
I
E
=
100µA
CB
=
35V
V
V
EB
=
5V
I
C/IB
=
150mA/15mA
B
=
500mA/50mA
C/IB
=
150mA/15mA
I
I
C/IB
=
500mA/50mA
V
CE
=
1V, I
CE
=
1V, I
V
V
CE
=
1V, I
V
CE
=
1V, I
V
CE
=
2V, I
CE
=
10V, I
V
CB
=
10V, f=100kHz
V
EB
=
0.5V, f=100kHz
V
CC
=
30V, V
V
V
CC
=
30V, V
V
CC
=
30V, I
V
CC
=
30V, I
−
−
−
0.1
0.1
0.4
0.75 IC/I
0.95
1.2
300
−
6.5
30
15
20
225
30 ns
C
=
0.1mA
C
=
1mA
C
=
10mA
C
=
150mA
C
=
500mA
E
=
−
20mA, f=100MHz
EB(OFF)
=
EB(OFF)
=
C
=
150mA, I
C
=
150mA, I
2V, I
2V, I
B1
B1
Conditions
C
=
150mA, I
C
=
150mA, I
=-
I
B2
=
=-
I
B2
=
15mA
15mA
(1) Emitter
(2) Base
(3) Collector
(1) Emitter
(2) Base
(3) Collector
B1
=
15mA
B1
=
15mA
Rev.B 1/3
Transistors
zElectrical characteristic curves
100
Ta=25°C
600
500
1000
FE
SST4401 / MMST4401
Ta
=25°C
400
50
COLLECTOR CURRENT : Ic(mA)
0
COLLECTOR-EMITTER VOLTAGE : V
300
200
100
IB=0µA
5
100
CE
(V)
Fig.1 Grounded emitter output
characteristics
(V)
CE(sat)
0.3
0.2
0.1
0
1.0 10 100 1000
COLLECTOR EMITTER SATURATION VOLTAGE : V
COLLECTOR CURRENT : Ic(mA)
Fig.2 Collector-emitter saturation
voltage vs. collector current
Ta=25°C
C
/ IB=10
I
1000
FE
100
DC CURRENT GAIN : h
10
0.1 101.0 100 1000
COLLECTOR CURRENT : Ic(mA)
Fig.3 DC current gain vs. collector current(Ι)
1000
FE
100
DC CURRENT GAIN : h
10
0.1 101.0 100 1000
Ta
=125°C
25
°C
−55
°C
COLLECTOR CURRENT : Ic(mA)
Fig.4 DC current gain vs. collector current(ΙΙ)
Ta
V
=
f
=25°C
CE
1kHz
(V)
1.8
BE(sat)
=
10V
1.6
1.2
Ta=25°C
IC / I
V
CE
=
10V
1V
V
CE
=
10V
B
=10
100
AC CURRENT GAIN : h
10
0.1 101.0 100 1000
COLLECTOR CURRENT : Ic(mA)
Fig.5 AC current gain vs. collector current
0.8
0.4
0
BASE EMITTER SATURATION VOLTAGE : V
1.0 10 100 1000
COLLECTOR CURRENT : Ic
(mA)
Fig.6 Base-emitter saturation
voltage vs. collector current
Rev.B 2/3
Transistors
1.8
(V)
1.6
BE(ON)
Ta
V
=25°C
CE
=
10V
1000
Ta
IC / I
=25°C
B
=
SST4401 / MMST4401
500
10
Ta
=25°C
VCC=30V
I
C / IB
=
10
1.2
0.8
0.4
BASE EMITTER VOLTAGE : V
0
1 10 100 1000
COLLECTOR CURRENT : Ic(mA)
Fig.7 Grounded emitter propagation
characteristics
1000
100
STORAGE TIME : ts(ns)
10
1.0
10 100 1000
COLLECTOR CURRENT : Ic(mA)
Fig.10 Storage time vs. collector
current
Ta
V
I
CC
C
=
=25°C
=
30V
10I
100
(V)
100MHz
CE
250MHz 300MHz
200MHz
10
B1
Ta
=
10I
=25°C
(ns)
100
100
V
CC
=
30V
TURN ON TIME : ton(ns)
10
1.0
COLLECTOR CURRENT : Ic(mA)
10V
10 100 1000
Fig.8 Turn-on time vs. collector
current
1000
B2
100
FALL TIME : tf(ns)
10
1.0
10 100 1000
COLLECTOR CURRENT : Ic(mA)
Ta
V
I
CC
=
C
=25°C
=
30V
10I
B1
=
10I
B2
Fig.11 Fall time vs. collector
current
1000
(MHz)
Ta
V
=25°C
CE
=
10V
RISE TIME : tr
10
5
1.0
10 100 1000
COLLECTOR CURRENT : Ic
Fig.9 Rise time vs. collector
current
100
Cib
Cob
1.0 10 100
REVERSE BIAS VOLTAGE
CAPACITANCE(pF)
10
1
0.1
Fig.12 Input / output capacitance
vs. voltage
(mA)
Ta
=25°C
f=1MHz
(V)
100
1
250MHz
COLLECTOR-EMITTER VOLTAGE : V
0.1
1
10 100 1000
COLLECTOR CURRENT : Ic(mA)
Fig.13 Gain bandwidth product
CURRENT GAIN-BANDWIDTH PRODUCT
10
1.0
10 100 1000
COLLECTOR CURRENT : Ic
(mA)
Fig.14 Gain bandwidth product
vs. collector current
Rev.B 3/3
Appendix
Notes
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The contents described herein are subject to change without notice. The specifications for the
product described in this document are for reference only. Upon actual use, therefore, please request
that specifications to be separately delivered.
Application circuit diagrams and circuit constants contained herein are shown as examples of standard
use and operation. Please pay careful attention to the peripheral conditions when designing circuits
and deciding upon circuit constants in the set.
Any data, including, but not limited to application circuit diagrams information, described herein
are intended only as illustrations of such devices and not as the specifications for such devices. ROHM
CO.,LTD. disclaims any warranty that any use of such devices shall be free from infringement of any
third party's intellectual property rights or other proprietary rights, and further, assumes no liability of
whatsoever nature in the event of any such infringement, or arising from or connected with or related
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Upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or
otherwise dispose of the same, no express or implied right or license to practice or commercially
exploit any intellectual property rights or other proprietary rights owned or controlled by
ROHM CO., LTD. is granted to any such buyer.
Products listed in this document are no antiradiation design.
The products listed in this document are designed to be used with ordinary electronic equipment or devices
(such as audio visual equipment, office-automation equipment, communications devices, electrical
appliances and electronic toys).
Should you intend to use these products with equipment or devices which require an extremely high level
of reliability and the malfunction of which would directly endanger human life (such as medical
instruments, transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers
and other safety devices), please be sure to consult with our sales representative in advance.
It is our top priority to supply products with the utmost quality and reliability. However, there is always a chance
of failure due to unexpected factors. Therefore, please take into account the derating characteristics and allow
for sufficient safety features, such as extra margin, anti-flammability, and fail-safe measures when designing in
order to prevent possible accidents that may result in bodily harm or fire caused by component failure. ROHM
cannot be held responsible for any damages arising from the use of the products under conditions out of the
range of the specifications or due to non-compliance with the NOTES specified in this catalog.
Thank you for your accessing to ROHM product informations.
More detail product informations and catalogs are available, please contact your nearest sales office.
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Appendix1-Rev2.0
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