
2SD2211 / 2SD1918 / 2SD1857A
Transistors
Power Transistor (160V , 1.5A)
2SD2211 / 2SD1918 / 2SD1857A
zFeatures
1) High breakdown voltage.(BV
CEO
= 160V)
2) Low collector output capacitance.
(Typ. 20pF at V
3) High transition frequency.(f
CB
= 10V)
T
= 80MHZ)
4) Complements the 2SB1275 / 2SB1236A.
zAbsolute maximum ratings (Ta = 25°C)
Parameter Symbol
Collector-base voltage
Collector-emitter voltage
Emitter-base voltage
Collector current
Collector
power
dissipation
Junction temperature
Storage temperature
1 Pw=200msec duty=1/2
∗
∗
2
Printed circuit board 1.7mm thick, collector plating 1cm2 or larger
3
When mounted on a 40 x 40 x 0.7mm ceramic board.
∗
2SD1857A
2SD2211
2SD1918
V
V
V
Tstg
CBO
CEO
EBO
I
C
P
C
Tj
Limits
160
160
5
1.5
3
1
0.5
2
1
10
150
−55 ∼+150
.
zPackaging specifications and h
Type 2SD2211
Package
Marking
Basic ordering unit (pieces)
Denotes h
FE
*
h
Code
FE
MPT3
QR
DQ*
T100
1000
FE
2SD1918
2SD1857A
CPT3
2500
ATV
QR
−−
TL
TV2
2500
zElectrical characteristics (Ta = 25°C)
Parameter Symbol Min. Typ. Max. Unit Conditions
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
2SD2211,2SD1918
2SD1857A
Transition frequency
Output capacitance
∗
Measured using pulse current.
BV
CBO
BV
CEO
BV
EBO
I
CBO
I
EBO
V
CE(sat)
V
BE(sat)
h
FE
f
T
Cob
PQ
160
160
5
−
−
−
−
120
82
−
−
Unit
V
V
V
A(DC)
A(Pulse)
W
W
W
W
W(Tc=25°C)
°C
°C
−
−
−
−
−
−
−
−
−
80
20
zExternal dimensions (Unit : mm)
2SD2211
0.4
1.5
3.0
1.5
0.4
ROHM : MPT3
EIAJ : SC-62
2SD1918
)
1
(
)
2.3
2
(
)
3
∗1
∗2
∗3
ROHM : CPT3
EIAJ : SC-63
2SD1857A
ROHM : ATV
−
V
−
V
−
V
1
µA
1
µA
V
2
1.5
V
−
390
−
270
−
MHz
−
pF
(
2.3
0.8Min.
1.0
0.5
0.65Max.
(2)
(1)
2.54
C
=
50µA
I
I
C
=
1mA
I
E
=
50µA
V
CB
=
120V
EB
=
4V
V
C/IB
=
1A/0.1A
I
I
C/IB
=
1A/0.1A
V
CE/IC
=
5V/0.1A
V
CE
=
5V , I
E
= −
0.1A , f = 30MHz
CB
=
10V , I
E
=
V
0A , f = 1MHz
1.0
(1)
(2)
0.5
(3)
0.4
0.75
0.9
0.65
2.5
6.8
(3)
2.54
4.0
2.5
0.5
1.5
5.5
0.9
1.5
0.5
9.5
4.4
0.9
1.0
14.5
0.5
1.05
Taping specifications
1.6
4.5
1.5
5.1
C0.5
2.5
6.5
2.3
0.45
(1) Base(Gate)
(2) Collector(Drain)
(3) Emitter(Source)
(1) Base(Gate)
(2) Collector(Drain)
(3) Emitter(Source)
(1) Emitter
(2) Collector
(3) Base
∗
∗
Rev.A 1/3

2SD2211 / 2SD1918 / 2SD1857A
Transistors
zElectrical characteristic curves
1.0
Ta=25°C
(A)
0.8
C
0.6
0.4
0.2
COLLECTOR CURRENT : I
0
012345
COLLECTOR TO EMITTER VOLTAGE : V
10mA
9mA
8mA
7mA
6mA
5mA
4mA
3mA
2mA
=
B
I
1mA
CE
(V)
ig.1 Ground emitter output characteristic
1000
500
Ta=
100
FE
200
100
50
20
10
5
DC CURRENT GAIN : h
2
1
0.01 0.02 0.05 0.1 0.2 0.5 1 2 5 10
°C
25°C
−25°C
COLLECTOR CURRENT : I
Fig.4 DC current gain vs. collector current ( ΙΙ )
VCE=
5V
C
(A)
1000
500
(MHz)
T
200
100
50
20
10
5
2
TRANSITION FREQUENCY : f
1
−1 −2 −5 −10 −20 −50 −100 −200 −500 −1000
EMITTER CURRENT : I
ig.7 Gain bandwidth products vs. emitter curre
E
(mA)
Ta=25°C
VCE=
5V
10
5
(A)
C
2
1
Ta=
100
0.5
0.2
0.1
0.05
COLLECTOR CURRENT : I
0.02
0.01
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8
°C
Ta= −25°C
BASE TO EMITTER VOLTAGE : V
Ta=25°C
VCE=5V
BE
(V)
ig.2 Ground emitter propagation characteristic
IC/IB=20
Ta=25°C
10
C
(A)
Ta=25°C
f=1MHz
E
=
0A
I
CB
(V
10
(V
5
CE(sat)
2
1
0.5
0.2
0.1
0.05
0.02
0.01
COLLECTOR SATURATION VOLTAGE : V
0.01 0.02 0.05 0.1 0.2 0.5 1 2 5 10
COLLECTOR CURRENT : I
ig.5 Collector-emitter saturation voltag
vs. collector current
1000
(pF
ob
500
200
100
50
20
10
5
2
1
0.1 0.2 0.5 1 2 5 10 20 50 10
COLLECTOR OUTPUT CAPACITANCE : C
COLLECTOR TO BASE VOLTAGE : V
Fig.8 Collector output capacitance
vs. collector-base voltage
1000
500
FE
200
100
50
20
10
5
DC CURRENT GAIN : h
2
1
0.01 0.02 0.05 0.1 0.2 0.5 1 2 5 10
COLLECTOR CURRENT : I
Ta=25°C
VCE=
C
(A)
10V
5V
Fig.3 DC current gain vs. collector current ( Ι
(V
10
5
(V)
2
Ta= −25°C
1
0.5
V
BE(sat)
0.2
0.1
0.05
0.02
V
CE(sat)
0.01
0.01 0.02 0.05 0.1 0.2 0.5 1 2 5 10
BASE SATURATION VOLTAGE : VBE(sat)
COLLECTOR SATURATION VOLTAGE : VCE(sat)
COLLECTOR CURRENT : I
25°C
100°C
−25°C
ig.6 Collector-emitter saturation voltage
Base-emitter saturation voltage
10
5
Ic
Max
(Pulse∗)
2
(A)
C
1
500m
200m
100m
50m
20m
10m
5m
COLLECTOR CURRENT : I
2m
Recommended land
1m
0.1 0.2 0.5 2 5 10 20 50 100 200 500 1000
COLLECTOR TO EMITTER VOLTAGE : V
Pw=10ms
Pw=100ms
DC
IC/IB=
C
(A)
vs. collector curre
Ta=25°C
∗Single
nonrepetitive
pulse
∗
∗
10
CE
(V
Fig.9 Safe operating area (2SD221
Rev.A 2/3

2SD2211 / 2SD1918 / 2SD1857A
Transistors
10
5
Ic
Max
(Pulse∗)
2
(A)
C
1
500m
200m
100m
50m
20m
10m
5m
COLLECTOR CURRENT : I
2m
1m
0.1 0.2 0.5 21 5 10 20 50 100 200 500 1000
COLLECTOR TO EMITTER VOLTAGE : V
DC
Fig.10 Safe operating area (2SD191
Pw=10ms
Pw=100ms∗
Ta=25°C
∗Single
nonrepetitive
pulse
∗
CE
(V)
Rev.A 3/3

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