Transistors
Power transistor (−20V, −2A)
2SB1427
zFeatures
1) Low saturation voltage,
V
CE : Max . −0.5V at IC/IB = −1A / −50mA.
2) Excellent DC current gain characteristics.
zAbsolute maximum ratings (Ta=25°C)
Collector-base voltage
Collector-emitter voltage
Emitter-base voltage
Collector current
Collector power dissipation
Junction temperature
Storage temperature
∗1 Single pulse, Pw=10ms
∗2 When mounted on a 40×40×0.7mm ceramic board.
Parameter Symbol
V
V
V
P
Tstg
CBO
CEO
EBO
I
Tj
C
C
zPackaging specifications and h
Type 2SB1427
Package
FE
h
Marking
Basic ordering unit (pieces)
∗
Denotes h
Code
FE
MPT3
E
BJ
T100
1000
FE
∗
zElectrical characteristics (Ta=25°C)
Collector-base breakdown voltage
Collector-emitter breakdown voltage
Emitter-base breakdown voltage
Collector cutoff current
Emitter cutoff current
Collector-emitter saturation voltage
DC current transfer ratio
Transition frequency
Output capacitance
∗
Measured using pulse current.
Parameter Symbol Min. Typ. Max. Unit Conditions
V
BV
BV
BV
I
CBO
I
EBO
CE(sat)
h
f
Cob
CBO
CEO
EBO
FE
T
Limits
−20
−20
−6
−2
−3
0.5
2
150
−55 ~ +150 °C
−20
−20
390
−
−
−
−6
−
−
−
−
−−−0.5 V I
−
−
90
−
30
zExternal dimensions (Unit : mm)
ROHM : MPT3
EIAJ : SC-62
Unit
V
V
V
A(DC)
A(Pulse)
∗1
∗2
W
°C
I
V
−
−
−
−0.5
−0.5
820
−
−
V
V
µA
µA
−
MHz
pF
C
= −50µA
I
C
= −1mA
I
E
= −50µA
V
CB
= −16V
V
EB
= −5V
C/IB
= −1A/−50mA
V
CE/IC
= −6V/−0.5A
V
CE
= −10V , IE = 10mA , f= 100MHz
V
CB
= −10V , IE = 0A , f = 1MHz
2SB1427
4.0
1.0
2.5
0.5
(1)
0.4
1.5
(2)
1.6
3.0
0.5
(3)
1.5
0.4
0.4
4.5
(1) Base
1.5
(2) Collector
(3) Emitter
∗
Rev.A 1/2
Transistors
zElectrical characteristics curves
−5A
−2A
(mA)
C
−1A
−500
−200
−100
−50
−20
−10
−5
COLLECTOR CURRENT : I
−2
−1
−0 −0.5 −1.0 −1.5
BASE TO EMITTER VOLTAGE : V
Fig.1 Grounded emitter propagation
characteristics
Ta=25°C
V
CE
= −2V
BE
(V)
10
5
Ic Max. (Pulse∗)
2
(A)
C
1
500m
200m
DC
100m
50m
20m
10m
Ta=25°C
5m
COLLECTOR CURRENT : I
∗ Single
2m
NONREPETITIVE
PULS
1m
0.2 0.5 1 2 5 10 20 50 100 200 500 1000
0.1
COLLECTOR TO EMITTER VOLTAGE : VCE (V)
Fig.4 Safe Operating area
Pw=10ms
Pw=100ms
∗
∗
5k
2k
FE
1k
500
200
100
DC CURRENT GAIN : h
50
20
−1m −10m −100m −1 −10
Ta=100°C
25°C
−50°C
COLLECTOR CURRENT : I
VCE= −6V
C
(A)
Fig.2 DC current gain vs. collector current
(V)
−1
CE(sat)
−500m
−200m
−100m
−50m
−20m
−10m
−5m
−2m
−1m
−1m −10m −100m −1 −10
COLLECTOR SATURATION VOLTAGE : V
COLLECTOR CURRENT : I
Fig.3 Collector-emitter saturation
voltage vs. collector current
2SB1427
Ta=25°C
C/IB
=20
I
C
(A)
Rev.A 2/2
Appendix
No technical content pages of this document may be reproduced in any form or transmitted by any
means without prior permission of ROHM CO.,LTD.
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
to the use of such devices.
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.
Notes
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 with 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.
About Export Control Order in Japan
Products described herein are the objects of controlled goods in Annex 1 (Item 16) of Export Trade Control
Order in Japan.
In case of export from Japan, please confirm if it applies to "objective" criteria or an "informed" (by MITI clause)
on the basis of "catch all controls for Non-Proliferation of Weapons of Mass Destruction.
Appendix1-Rev1.1
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