ROHM EMT18

General purpose transistors(dual transistors)
EMT18 / UMT18N / IMT18
Dimensions (Unit : mm)
Features
1) Two 2SA2018 chips in a EMT package.
2) Mounting possible with EMT3 or UMT3 or SMT3
automatic mounting machines.
3) Transistor elements are independent, eliminating
interference.
EMT18
Each lead has same dimensions
ROHM : EMT6
Structure
Epitaxial planar type
PNP silicon transistor
Abbreviated symbol : T18
UMT18N
The following characteristics apply to both Tr1 and Tr2.
Each lead has same dimensions
Inner circuit
EMT18 / UMT18N
(3)
(2)
(1)
ROHM : UMT6
EIAJ : SC-88
IMT18
(4)
(5)
Tr1
Tr2
(4)
Abbreviated symbol : T18
IMT18
(6)
Tr1
Tr2
(5)
(6)
(3)
(2)
(1)
Each lead has same dimensions
ROHM : SMT6
EIAJ : SC-74
JEDEC : SOT-457
Abbreviated symbol : T18
Absolute maximum ratings (Ta=25C)
Parameter
Collector-base voltage
Collector-emitter voltage
Emitter-base voltage
Collector current
Power dissipation
Junction temperature
Storage temperature
Symbol
Limits
VCBO
−15
VCEO
−12
VEBO
−6
IC
−500
∗1
ICP
1.0
EMT6
∗2
150 (TOTAL)
PC UMT6
SMT6 300 (TOTAL)∗3
Tj
150
Tstg
−55 to +150
Unit
V
V
V
mA
A
mW
°C
°C
∗1 Single pulse PW=1ms
∗2 120mW per element must not be exceeded.
∗3 200mW per element must not be exceeded.
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1/3
2010.08 - Rev.C
EMT18 / UMT18N / IMT18
Data Sheet
Electrical characteristics (Ta=25C)
Parameter
Symbol Min. Typ. Max. Unit
Conditions
−
−
V IC= −10μA
Collector-base breakdown voltage
BVCBO −15
Collector-emitter breakdown voltage BVCEO −12
−
−
V IC= −1mA
Emitter-base breakdown voltage
BVEBO
−6
−
−
V IE= −10μA
Collector cutoff current
ICBO
−
−
−0.1 μA VCB= −15V
Emitter cutoff current
IEBO
−
−
−0.1 μA VCB= −6V
Collector-emitter saturation voltage VCE (sat)
−
−100 −250 mV IC / IB= −200mA / −10mA
VCE= −2V, IC= −10mA
DC current transfer ratio
hFE
270
−
680
−
Transition frequency
fT
−
260
−
MHz VCE= −2V, IE=10mA, f=100MHz
Output capacitance
Cob
−
6.5
−
pF VCB= −10V, IE=0A, f=1MHz
Packaging specifications and hFE
Package name
Code
Basic ordering unit (pieces)
Type
T2R
8000
EMT18
UMT18N
IMT18
−
−
Taping
TR
3000
−
T110
3000
−
−
−
Electrical characteristic curves
1000
VCE=2V
VCE=2V
1000
500
200
Ta=125∞C
Ta=25∞C
Ta= −40∞C
100
50
20
10
5
200
50
20
10
5
2
1
1
0
0.5
1.0
1.5
BASE TO EMITTER VOLTAGE : VBE (V)
Fig.1 Grounded Emitter Propagation
Characteristics
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c 2010 ROHM Co., Ltd. All rights reserved.
○
Ta=125∞C
Ta=25∞C
Ta= −40∞C
100
2
IC / IB=20
500
COLLECTOR SATURATION
VOLTAGE : VCE (sat) (mV)
500
DC CURRENT GAIN : hFE
COLLECTOR CURRENT : IC (mA)
1000
200
100
Ta=125°C
Ta=25°C
Ta= −40°C
50
20
10
5
2
1
2
5
10 20
50 100 200
500 1000
COLLECTOR CURRENT : IC (mA)
Fig.2 DC Current Gain vs.
Collector Current
2/3
1
1
2
5
10 20
50 100 200
500 1000
COLLECTOR CURRENT : IC (mA)
Fig.3 Collector-Emitter Saturation
Voltage vs.
Collector Current (Ι)
2010.08 - Rev.C
Ta=25∞C
COLLECTOR SATURATION
VOLTAGE : VCE (sat) (mV)
500
200
100
50
IC / IB=50
IC / IB=20
20
IC / IB=10
10
5
2
1
1
2
5
10 20
50 100 200
500 1000
COLLECTOR CURRENT : IC (mA)
EMITTER INPUT CAPACITANCE : Cib (pF)
COLLECTOR OUTPUT CAPACITANCE : Cob (pF)
Fig.4 Collector-Emitter Saturation
Voltage vs.
Collector Current (ΙΙ)
1000
10000
IC / IB=20
5000
Ta= −40°C
Ta=25°C
Ta=125°C
2000
1000
500
200
100
50
20
10
1
2
5
10 20
50 100 200
500 1000
COLLECTOR CURRENT : IC (mA)
Fig.5 Base-Emitter Saturation
Voltage vs.Collecter Current
1000
TRANSITION FREQUENCY : fT (MHz)
1000
Data Sheet
BASER SATURATION VOLTAGE : VBE (sat) (mV)
EMT18 / UMT18N / IMT18
VCE=2V
Ta=25∞C
500
200
100
50
20
10
5
2
1
1
2
5
10 20
50 100 200
500 1000
EMITTER CURRENT : IC (mA)
Fig.6 Gain Bandwidth Product vs.
Emitter Current
IE=0A
f=1MHz
Ta=25∞C
500
200
100
50
Cib
20
10
Cob
5
2
1
0.1 0.2
0.5
1
2
5
10 20
50 100
EMITTER TO BASE VOLTAGE : VEB (V)
Fig.7 Collector Output Capacitance vs.
Collector-Base Voltage
Emitter Input Capacitance vs.
Emitter-Base Voltage
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2010.08 - Rev.C
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R1010A