2SB1698
Transistors
Low frequency amplifier
2SB1698
Application
Low frequency amplifier
Driver
External dimensions
(Units : mm)
4.0
2.5
(1)
(2)
(3)
1.0
0.5
1.5
0.4
Features
1) A collector current is large.
2) V
CE(sat)
≤
−370mV
at I
C
=−1A / I
B
=−50mA
1.5
0.4
3.0
0.5
0.4
Each lead has same dimensions
Abbreviated symbol: FL
ROHM : MPT3
JEITA : SC-62
JEDEC: SOT-89
(1)Base
(2)Collector
(3)Emitter
Absolute maximum ratings
(Ta=25°C)
Parameter
Collector-base voltage
Collector-emitter voltage
Emitter-base voltage
Collector current
Power dissipation
Junction temperature
Range of storage temperature
Symbol
V
CBO
V
CEO
V
EBO
I
C
I
CP
P
C
Tj
Tstg
Limits
−30
−30
−6
−1.5
−3
500
2
150
−55~+150
Unit
V
V
V
A
A
∗1
mW
W
∗2
°C
°C
Packaging specifications
Package
Type
Code
Basic ordering unit (pieces)
2SB1698
Taping
T100
1000
∗1
Single pulse, P
W
=1ms
∗2
Mounted on a 40
+
40
+
0.7(mm)CERAMIC SUBSTRATE
Electrical characteristics
(Ta=25°C)
Parameter
Collector-base breakdown voltage
Collector-emitter breakdown voltage
Emitter-base breakdown voltage
Collector cutoff current
Emitter cutoff current
Collector-emitter saturation voltage
DC current gain
Transition frequency
Collector output capacitance
∗
Pulsed
Symbol
BV
CBO
BV
CEO
BV
EBO
I
CBO
I
EBO
V
CE(sat)
h
FE
f
T
Cob
Min.
−30
−30
−6
−
−
−
270
−
−
Typ.
−
−
−
−
−
−200
−
280
13
Max.
−
−
−
−100
−100
−370
680
−
−
Unit
V
V
V
nA
nA
mV
−
MHz
pF
Conditions
I
C
=−10µA
I
C
=−1mA
I
E
=−10µA
V
CB
=−30V
V
EB
=−6V
I
C
=−1A,
I
B
=−50mA
V
CE
=−2V,
I
C
=−100mA
∗
V
CE
=−2V,
I
E
=100mA,
f=100MHz
∗
V
CB
=−10V,
I
E
=0A,
f=1MHz
1.5
1.6
4.5
1/2
2SB1698
Transistors
Electrical characteristic curves
Ta=100°C
V
CE
=−2V
Pulsed
BASE SATURATION VOLTAGE : V
BE (sat)
(V)
COLLECTOR SATURATION VOLTAGE : V
CE (sat)
(V)
COLLECTOR SATURATION VOLTAGE : V
CE(sat)
(V)
1000
1
10
Ta=25°C
Pulsed
1
DC CURRENT GAIN : h
FE
Ta=25°C
Ta=−40°C
V
BE(sat)
Ta=−40°C
Ta=25°C
Ta=100°C
100
0.1
0.1
I
C
/I
B
=50/1
I
C
/I
B
=20/1
I
C
/I
B
=10/1
V
CE(sat)
Ta=100°C
Ta=25°C
Ta=−40°C
0.01
10
0.001
0.01
0.1
1
10
0.01
0.001
I
C
/I
B
=20/1
Pulsed
0.01
0.1
1
10
0.001
0.001
0.01
0.1
1
10
COLLECTOR CURRENT : I
C
(A)
COLLECTOR CURRENT : I
C
(A)
COLLECTOR CURRENT : I
C
(A)
Fig.1 DC current gain
vs. collector current
Fig.2 Collector-emitter saturation voltage
base-emitter saturation voltage
vs. collector current
Fig.3 Collector-emitter saturation voltage
vs. collector current
1
COLLECTOR CURRENT : I
C
(A)
TRANSITION FREQUENCY : f
T
(MHz)
V
CE
=−2V
Pulsed
1000
Ta=25°C
V
CE
=−2V
f=100MHz
1000
Ta=25°C
tstg
V
CE
=−5V
I
C
/I
B
=20/1
0.1
Ta=100°C
Ta=25°C
Ta=−40°C
SWITCHING TIME : (ns)
100
tf
100
tdon
0.01
10
tr
0.001
0
0.5
1
1.5
10
0.01
0.1
1
10
1
0.01
0.1
1
10
BASE TO EMITTER CURRENT : V
BE
(V)
EMITTER CURRENT : I
E
(A)
COLLECTOR CURRENT : I
C
(A)
Fig.4 Grounded emitter propagation
characteristics
Fig.5 Gain bandwidth product
vs. emitter current
Fig.6 Switching time
EMITTER INPUT CAPACITANCE : Cib (pF)
COLLECTOR OUTPUT CAPACITANCE : Cob (pF)
1000
Ta
=
25°C
I
C
=
0A
f
=
1MHz
Cib
100
Cob
10
1
0.1
1
10
100
EMITTER TO BASE VOLTAGE : V
EB
(V)
COLLECTOR TO BASE VOLTAGE : V
CB
(V)
Fig.7 Collector output capacitance
vs. collector-base voltage
Emitter input capacitance
vs. emitter-base voltage
2/2
Appendix
Notes
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 use silicon as a basic material.
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 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-Rev1.0
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