2/3
www.rohm.com
○
c
2010 ROHM Co., Ltd. All rights reserved.
2010.02 - Rev.C
Data Sheet 2SB1184 / 2SB1243
Packaging specifications and h
FE
Package
Code
Basic ordering unit (pieces)
TL TV2
2500 2500
−
−
Taping
QR
h
FE
QR
2SB1184
2SB1243
Type
hFE values are classified as follows :
Item
h
FE
Q
120 to 270
R
180 to 390
Electrical characteristic curves
BASE TO EMITTER VOLTAGE : VBE
(V
COLLECTOR CURRENT : IC
(A)
0 −0.2 −1.4−0.4 −0.8 −1.2 −1.6−1
−1.0−0.6
−0.01
−0.05
−0.1
−0.02
−0.5
−1
−0.2
−5
−10
−2
VCE= −3V
Ta=100°C
25°C
-25°C
Fig.1 Grounded emitter
propagation characteristic
−10 −2 −3 −4 −5
0
−0.5
−1.0
−1.5
−2.0
−2.5
−3.0
I
B
=0mA
−5mA
−10mA
−15mA
−20mA
Tc=25°C
COLLECTOR CURRENT : I
C
(A)
−50mA
−45mA
−40mA
−35mA
−30mA
−25mA
COLLECTOR TO EMITTER VOLTAGE : V
CE
(V
Fig.2 Grounded emitter output
characteristics ( )
Fig.3 Grounded emitter output
characteristics ( )
−100 −20 −30 −40 −50
0
−0.5
−1.0
−2.0
−1.5
−2.5
−3.0
I
B
=0mA
I
B
=−5mA
−10mA
−25mA
−30mA
−35mA
−40mA
−45mA
−50mA
−20mA
−15mA
P
C
=15W
COLLECTOR CURRENT : I
C
(A)
Tc=25°C
COLLECTOR TO EMITTER VOLTAGE : V
CE
(
−0.01 −0.05 −0.1−0.02 −0.5 −1−0.2 −5 −1
−2
1
5
10
2
50
100
20
500
200
Ta=25°C
V
CE
=−5V
−3V
DC CURRENT GAIN : h
FE
COLLECTOR CURRENT : I
C
(A)
Fig.4 DC current gain vs.
collector current ( )
−0.01−0.02 −0.1−0.05 −0.2 −1−0.5 −2 −1
−5
1
5
10
2
50
100
20
500
200
V
CE
= −3V
FE
COLLECTOR CURRENT : I
C
(A)
Ta=100°C
25°C
−25°C
Fig.5 DC current gain vs.
collector current ( )
−0.01−0.02 −0.1−0.05 −0.2 −1−0.5 −2 −1
−5
−0.01
−0.02
−0.05
−0.1
−0.2
−0.5
−1
−2
−5
−10
COLLECTOR SATURATION VOLTAGE : V
CE(sat)
COLLECTOR CURRENT : I
C
(A)
Ta=25°C
I
C
/I
B
=50/1
20/1
10/1
Fig.6 Collector-emitter saturation
voltage vs.collector current
COLLECTOR CURRENT : I
C
(A)
COLLECTOR SATURATION VOLTAGE : V
CE(sat)
(V)
BASE SATURATION VOLTAGE : V
BE(sat)
(V)
−0.01 −0.02 −0.1−0.05
−0.2 −1−0.5 −2 −10−5
−0.01
−0.02
−0.05
−0.1
−0.2
−0.5
−1
−2
−5
−10
l
C
/l
B
=10
Ta= −25°C
25°C
100°C
Ta=100°C
25°C
−25°C
V
BE(sat)
V
CE(sat)
Fig.7 Collector-emitter saturation voltage
vs. collector current
Base-emitter saturation voltage vs.
collector current
12 105
20 10050 200 100
500
1
2
5
10
20
50
100
200
500
EMITTER CURRENT : I
E
(mA)
TRANSITION FREQUENCY : f
T
(MHz)
Ta=25°C
V
CE
= −5V
Fig.8 Gain bandwidth product vs.
emitter current
COLLECTOR OUTPUT CAPACITANCE : Cob
(pF
COLLECTOR TO BASE VOLTAGE : V
CB
(V
−0.2−0.1 −0.5 −10−5−2−1 −50−20 −10
1
20
10
5
2
50
200
100
500
Ta=25
°C
f=1MHz
I
E=0A
Fig.9 Collector output capacitance vs.
collector base voltage
