Page 1
Transistors
Low frequency amplifier, strobe
2SD2687S
zApplication
Low frequency amplifier
Storobo
zFeatures
1) A collector current is large.
2) V
At lc=1.5A / l
CE(sat)
≤ 250mV
=30mA
B
zAbsolute maximum ratings (Ta=25°C)
Parameter
Collector-base voltage
Collector-emitter voltage
Emitter-base voltage
Collector current
Power siddipation
Junction temperature
Range of storage temperature
Single pulse, Pw=10ms
∗
Symbol
CBO
V
V
CEO
V
EBO
I
C
I
CP
P
C
t
j
t
stg
Limits
15
12
6
5
8
400
150
−55 to +150
zElectrical characteristics (T a=25°C)
Parameter Symbol Min. Typ. Max. Unit Conditions
CBO
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
∗ Pulse
BV
CEO
BV
EBO
BV
CBO
I
EBO
I
V
CE(sat)
FE
h
T
f
Cob − 30 −
zDimensions (Unit : mm)
(1)Emitter(GND)
(2)Collector(OUT)
(3)Base(IN)
Unit
V
V
V
A
∗
A
mW
°C
°C
15
12
6
−−
−−
− 120
350 − 680
−
−−
−−
−−
100
100
250 mV
360
−
V
I
V
I
V
I
nA VCB=15V
nA VEB=6V
IC=1.5A, IB=30mA
− V
MHz
VCE=2V, IE=−500mA, f=100MHz
V
pF
Taping specifications
C
=10µA
C
=1mA
E
=10µA
CE
=2V, IC=500mA
CB
=10V, IE=0A, f=1MHz
2SD2687S
∗
∗
Rev.A 1/2
Page 2
Transistors
zPackaging specifications
package
Type
2SD2687S
zElectrical characteristic curves
10
(A)
C
0.1
0.01
COLLECTOR CURRENT :I
0.001
Fig.1 Grounded emitter propagation
characteristics
Code
Basic ordering unit (pieces)
Ta=100 C
1
0.1 1 10
BASE TO EMITTER CURRENT : VBE (V)
Ta=25 C
Ta= −45 C
Ic/IB=20/1
Pulsed
Taping
TP
5000
1000
FE
100
DC CURRENT GAIN : h
10
0.001 0.01 0.1 1 10
Ta=100 C
Ta=25 C
Ta=40 C
COLLECTOR CURRENT : IC (A)
Fig.2 DC current gain
vs. collector current
VCE=−2V
Pulsed
2SD2687S
10
Ic/IB=20/1
CE
=2V
(V)
CE(sat)
1
0.1
V
Pulsed
Ta=100 C
Ta=25 C
Ta= −45 C
COLLECTOR TO EMITTER
SATURATION VOLTAGE : V
0.01
0.001 0.01 0.1 1
COLLECTOR CURRENT : Ic (A)
Fig.3 Collector-emitter saturation voltage
vs. collector current
10
10
(V)
BE(sat)
IC/IB=50/1
1
IC/IB=20/1
BASE SATURATION VOLTAGE : V
0.1
0.001 0.01 0.1 1 10
IC/IB=10/1
COLLECTOR CURRENT : Ic (A)
Fig.4 Base-emitter saturation voltage
vs.collector current
Ta=25 C
Pulsed
1000
100
TRANSITION FREQUENCY : fT (MHz)
10
0.01 0.1 1 10
EMITTER CURRENT : IE (A)
Fig.5 Gain bandwidth product
vs. emitter current
Ta=25 C
CE
=−2V
V
f= 100MHz
1000
(V)
BE(sat)
100
COLLECTOR TO EMITTER
SATURATION VOLTAGE : V
10
0.001 0.01 0.1 1 10 100
EMITTER TO BASE VOLTAGE : VEB(V)
COLLECTOR TO BASE VOLTAGE : V
Fig.6 Collector output capacitance
vs. collector-base voltage
Emitter input capacitance
vs. emitter-base voltage
Ic=0A
f=1MHz
25 C
Ta=
Cib
Cob
CB
(V)
Rev.A 2/2
Page 3
Appendix
Notes
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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
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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
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of reliability and the malfunction of which would directly endanger human life (such as medical
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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
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range of the specifications or due to non-compliance with the NOTES specified in this catalog.
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Appendix1-Rev2.0
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