Medium power transistor (32V, 2A)
2SB1188 / 2SB1182 / 2SB1240
Dimensions (Unit : mm)
2SB1182
1.0±0.2
(3)
0.5±0.1
0.4±0.1
1.5±0.1
+0.1
0.4−0.05
0.4±0.1
1.5±0.1
1.5
0.65±0.1
0.75
2.3+0.2
−0.1
0.5±0.1
2.5
(2)
C0.5
9.5±0.5
6.5±0.2
5.1+0.2
−0.1
5.5+0.3
−0.1
1.6±0.1
(1)
Structure
Epitaxial planar type
PNP silicon transistor
+0.2
1.5 −0.1
2.5+0.2
−0.1
4.0±0.3
0.5±0.1
4.5+0.2
−0.1
1.5±0.3
2SB1188
0.9
Features
1) Low VCE(sat).
VCE(sat) = 0.5V (Typ.)
(IC/IB = 2A / 0.2A)
2) Complements the 2SD1766 / 2SD1758 / 2SD1862.
0.9
0.55±0.1
2.3±0.2 2.3±0.2
1.0±0.2
3.0±0.2
(1) (2) (3)
(1) Base
(2) Collector
(3) Emitter
ROHM : MPT3
EIAJ : SC-62
ROHM : CPT3
EIAJ : SC-63
(1) Base
(2) Collector
(3) Emitter
∗
Abbreviated symbol: BC
2SB1240
2.5±0.2
0.9
0.65Max.
0.5±0.1
(1)
(2)
14.5±0.5
1.0
4.4±0.2
6.8±0.2
(3)
2.54 2.54
1.05
ROHM : ATV
0.45±0.1
(1) Emitter
(2) Collector
(3) Base
∗ Denotes h
FE
Absolute maximum ratings (Ta=25C)
Symbol
Limits
Unit
Collector-base voltage
VCBO
−40
V
Collector-emitter voltage
VCEO
−32
V
Emitter-base voltage
VEBO
−5
V
Parameter
IC
Collector current
A(DC)
A (Pulse)∗1
0.5
W
2
W
2SB1182
10
W (Tc=25°C)
2SB1240
1
W
2SB1188
Collector power
dissipation
−2
−3
PC
Junction temperature
Tj
150
°C
Storage temperature
Tstg
−55 to 150
°C
∗1
∗2
∗3
∗2
∗3
Single pulse, Pw=100ms
When mounted on a 40×40×0.7 mm ceramic board.
Printed circuit board, 1.7mm thick, collector copper plating 100mm2 or larger.
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1/3
2009.12 - Rev.B
2SB1188 / 2SB1182 / 2SB1240
Data Sheet
Electrical characteristics (Ta=25C)
Symbol
Min.
Typ.
Max.
Unit
Collector-base breakdown voltage
Parameter
BVCBO
−40
−
−
V
Collector-emitter breakdown voltage
BVCEO
−32
−
−
V
IC= −1mA
Emitter-base breakdown voltage
BVEBO
−5
−
−
V
IE= −50μA
Collector cutoff current
ICBO
−
−
−1
μA
VCB= −20V
Emitter cutoff current
IEBO
−
−
−1
μA
VEB= −4V
Collector-emitter saturation voltage
VCE(sat)
−
−0.5
−0.8
V
IC/IB= −2A/ −0.2A
hFE
120
−
390
−
Transition frequency
fT
−
100
−
MHz
Output capacitance
Cob
−
50
−
pF
DC current transfer ratio
Conditions
IC= −50μA
∗
∗
VCE= −3V, IC= −0.5A
VCE= −5V, IE=0.5A, f=100MHz
VCB= −10V, IE=0A, f=1MHz
∗ Measured using pulse current.
Packaging specifications and hFE
Package
Type
hFE
Taping
Code
T100
TL
TV2
Basic ordering unit (pieces)
1000
2500
2500
−
−
2SB1188
QR
2SB1182
QR
−
2SB1240
QR
−
−
−
hFE values are classified as follows :
Item
Q
R
hFE
120 to 270
180 to 390
Electrical characteristic curves
−200
−100
−50
−20
−10
−5
−2
−1
0 −0.2 −0.4 −0.6 −0.8 −1.0 −1.2 −1.4 −1.6 −1.8 −2.0 −2.2
BASE TO EMITTER VOLTAGE : VBE (V)
Fig.1 Grounded emitter propagation
characteristics
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○
COLLECTOR CURRENT : IC (A)
COLLECTOR CURRENT : IC (mA)
−1000 Ta=100°C
25°C
−500
−40°C
Ta=25°C
−2.5mA
−2mA
−0.4
−1.75mA
−1.5mA
−0.3
−1.25mA
−1mA
−0.2
−750μA
−500μA
−0.1
Ta=25°C
500
−2.25mA
DC CURRENT GAIN : hFE
−0.5
VCE= −3V
VCE= −6V
−3V
−1V
200
100
50
−250μA
0
0
−0.4
−0.8
−1.2
IB=0A
−1.6
−2
COLLECTOR TO EMITTER VOLTAGE : VCE (V)
Fig.2 Grounded emitter output
characteristics
2/3
20
−5 −10 −20
−50 −100 −200 −500 −1000 −2000
COLLECTOR CURRENT : IC (mA)
Fig.3 DC current gain vs.
collector curren ( )
2009.12 - Rev.B
200
100
50
20
−5 −10 −20
−50 −100 −200 −500 −1000 −2000
−500 Ta=25°C
−200
−100
−50
−5 −10 −20
TRANSITION FREQUENCY : fT (MHz)
−1
IC /IB=10
−0.5
−0.2
−0.1
Ta=25°C
VCE= −5V
500
200
100
50
−5 −10 −20 −50 −100 −200 −500 −1000 −2000
5
10
COLLECTOR CURRENT : IC (A)
s∗
0m
=1 ∗
Pw
s
m
00
=1
Pw
COLLECTOR CURRENT : IC (A)
−5
IC Max. (pulse)
−0.5
D
C
−0.2
−0.1
−0.05
Ta=25°C
∗Single
nonrepetitive
pulse
−0.01
−0.1 −0.2 −0.5 −1
−0.02
−2
−5 −10 −20
50
100 200
500 1000 2000
−100
−50
COLLECTOR TO EMITTER VOLTAGE : VCE (V)
Fig.10 Safe operation area
(2SB1188)
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c 2009 ROHM Co., Ltd. All rights reserved.
○
−2
IC Max. (Pulse)
Ta=100°C
25°C
−40°C
−50
−20
−5 −10 −20
−50 −100 −200 −500 −1000 −2000
Fig.6 Collector-emitter saturation
voltage vs. collector current ( )
300
Ta=25°C
f=1MHz
IE=0A
IC=0A
Cib
200
100
Cob
50
20
10
−0.5
−1
−2
−5
−10
−20 −30
COLLECTOR TO BASE VOLTAGE : VCB (V)
EMITTER TO BASE VOLTAGE
: VEB (V)
Fig.8 Gain bandwidth product vs.
emitter current
Fig.7 Base-emitter saturation voltage
vs. collector current
−1
20
EMITTER CURRENT : IE (mA)
COLLETOR CURRENT : IC (mA)
−2
−200
COLLECTOR CURRENT : IC (mA)
Fig.5 Collector-emitter saturation
voltage vs. collector current ( )
Ta=25°C
−5
−50 −100 −200 −500 −1000 −2000
−500 lC/lB=10
COLLECTOR CURRENT : IC (mA)
Fig.4 DC current gain vs.
collector current ( )
BASE SATURATION VOLTAGE : VBE(sat)(V)
20
10
COLLECTOR CURRENT : IC (mA)
−0.05
IC/IB=50
COLLECTOR OUTPUT CAPACITANCE : Cob (pF)
EMITTER INPUT CAPACITANCE
: Cib (pF)
DC CURRENT GAIN : hFE
Ta=100°C
25°C
−25°C
COLLECTOR SATURATION VOLTAGE : VCE(sat) (mV)
VCE= −3V
500
Data Sheet
COLLECTOR SATURATION VOLTAGE : VCE(sat) (mV)
2SB1188 / 2SB1182 / 2SB1240
Fig.9 Collector output capacitance vs.
collector-base voltage
Emitter input capacitance vs.
emitter-base voltage
PW=500μs
DC
−1
−0.5
PW=1ms
PW=100ms
−0.2
−0.1
−0.05
Ta=25°C
∗Single
nonrepetitive
pulse
−0.01
−0.1 −0.2 −0.5 −1
−0.02
−2
−5 −10 −20
−50
COLLECTOR TO EMITTER VOLTAGE : VCE (V)
Fig.11 Safe operation area
(2SB1182)
3/3
2009.12 - Rev.B
Notice
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