ROHM 2SD1857

Power Transistor (120V, 2A)
2SD1857
Dimensions (Unit : mm)
2SD1857
2.5
1.0
0.65Max.
0.5
4.4
0.9
6.8
14.5
Features
1) High breakdown voltage. (BVCEO = 120V)
2) Low collector output capacitance.
(Typ. 20pF at VCB = 10V)
3) High transition frequency. (fT = 80MHz)
4) Complements the 2SB1236.
(1) (2) (3)
2.54 2.54
ROHM : ATV
1.05
0.45
(1) Emitter
(2) Collector
(3) Base
Taping specifications
Packaging specifications and hFE
Package
Type
hFE
2SD1857
Taping
Code
TV2
Basic ordering unit (pieces)
2500
QR
hFE values are classified as follows:
Item
hFE
Q
120 to 270
R
180 to 390
Absolute maximum ratings (Ta = 25C)
Symbol
Limits
Unit
Collector-base voltage
Collector-emitter voltage
VCBO
VCEO
Emitter-base voltage
VEBO
IC
120
120
5
2
V
V
V
A
Parameter
Collector current
Collector power dissipation
Junction temperature
Storage temperature
∗1
∗2
ICP
∗1
3
A
PC
∗2
1
W
150
−55 to +150
°C
°C
Tj
Tstg
Single pulse Pw = 10ms
When mounted on 1.7mm thick PCB having collector foll dimensions 1cm2 or more.
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 transfer ratio
Transition frequency
Symbol
Min.
Typ.
Max.
Unit
BVCBO
BVCEO
120
120
5
−
−
−
−
−
−
−
−
1
V
V
V
μA
IC = 50μA
IC = 1mA
−
−
−
−
1
2
μA
V
VEB = 4V
120
−
−
−
80
20
390
−
−
−
MHz
pF
BVEBO
ICBO
IEBO
VCE(sat)
Output capacitance
hFE
fT
Cob
∗ Measured using pulse current.
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c 2009 ROHM Co., Ltd. All rights reserved.
○
1/2
Conditions
IE = 50μA
VCB = 100V
∗
IC/IB = 1A/0.1A
VCE/IC = 5V/0.1A
VCE = 5V , IE = −0.1A , f = 30MHz
VCB = 10V , IE = 0A , f = 1MHz
∗
2009.12 - Rev.E
Data Sheet
2SD1857
Electrical characteristics curves
1000
10
10mA
9mA
8mA
7mA
6mA
0.4
3mA
2mA
0.2
1mA
DC CURRENT GAIN : hFE
5mA
4mA
1
0.5
0.2
0.1
−25°C
0.6
0.05
0.02
IB=0mA
2
3
4
0
COLLECTOR TO EMITTER VOLTAGE : VCE (V)
DC CURRENT GAIN : hFE
200
Ta=100°C
100
50
25°C
−25°C
20
10
5
2
1
0.01 0.02
0.05 0.1 0.2
0.5
1
2
5
0.2 0.4 0.6
10
1
0.01 0.02
1.8
Ta=25°C
5
2
1
0.5
0.2
IC/IB=5V
0.1
0.05
10
0.02
0.01
0.01 0.02
0.05 0.1 0.2
0.5
1
2
5
10
−500 −1000
EMITTER CURRENT : IE (mA)
Fig.7 Gain bandwidth product vs. emitter current
200
100
50
20
10
5
2
1
0.1 0.2
0.5
1
2
5
10 20
50 100
COLLECTOR TO BASE VOLTAGE : VCB (V)
Fig.8 Collector output capacitance
vs. collector-base voltage
2/2
5
10
10
IC/IB=10
5
2
Ta= −25°C
1
0.5
0.2
100°C
25°C
VBE(sat)
Ta=100°C
0.1
0.05
−25°C
25°C
VCE(sat)
0.02
0.01
0.01 0.02
0.05 0.1 0.2
0.5
1
2
5
10
COLLECTOR CURRENT : IC (A)
Ta=25°C
f=1MHz
IE=0A
500
2
Fig.3 DC current gain vs. collector current ( )
Fig.6 Collector-emitter saturation
Base-emitter saturation vs. collector current
10
1000
1
5
Ta=25°C
∗Single
nonrepetitive
pulse
IC Max(PULSE∗)
2
1
0.5
DC
0.2
s∗
2
0.5
s∗
5
0.05 0.1 0.2
COLLECTOR CURRENT : IC (A)
0m
10
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c 2009 ROHM Co., Ltd. All rights reserved.
○
1.4 1.6
=1
20
−50 −100 −200
5
0m
50
−5 −10 −20
10
Pw
100
−1 −2
1.2
Fig.5 Collector-emitter saturation voltage
vs. collector current
COLLECTOR OUTPUT CAPACITANCE : Cob (pF)
)
200
1
5V
20
COLLECTOR CURRENT : IC (A)
Ta=25°C
VCE=5V
500
50
10
TRANSITION FREQUENCY : fT (MHz)
1000
1.0
10
COLLECTOR CURRENT : IC (A)
Fig.4 DC current gain vs. collector current (
0.8
Fig.2 Ground emitter propagation characteristics
COLLECTOR SATURATION VOLTAGE : VCE(sat) (V)
VCE=5V
500
VCE=10V
100
BASE TO EMITTER VOLTAGE : VBE (V)
Fig.1 Ground emitter output characteristics
1000
200
2
0.01
5
COLLECTOR SATURATION VOLTAGE : VCE(sat) (V)
BASE SATURATION VOLTAGE : VBE(sat) (V)
1
0
COLLECTOR CURRENT : IC (A)
0
Ta=25°C
500
2
0°C
25°C
0.8
VCE=5V
5
Ta=10
Ta=25°C
COLLECTOR CURRENT : IC (A)
COLLECTOR CURRENT : IC (A)
1.0
0.1
0.05
0.02
0.01
0.005
0.002
0.001
0.1 0.2 0.5 1
2
5 10 20 50 100 200 500 1000
COLLECTOR TO EMITTER VOLTAGE : VCE (V)
Fig.9 Safe operating area
2009.12 - Rev.E
Notice
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