ROHM IMB4A Datasheet
EMA4 / UMA4N / EMB4 / UMB4N / UMB8N /
Transistors
FMA4A / IMB4A / IMB8A
General purpose (dual digital transistors)
EMA4 / UMA4N / EMB4 / UMB4N / UMB8N /
FMA4A / IMB4A / IMB8A
!!!!Features
1) Two DTA114T chips in a EMT or UMT or SMT package.
!!!!Equivalent circuit
EMA4 / UMA4N
(2)(3)
R
1
(4) (5)
FMA4A
(1)
R
1
(3)
(4) (5)
R
1
(2)
R
1
(1)
EMB4 / UMB4N
(3) (2) (1)
R
1
R
1
(4) (5) (6)
IMB4A
(5)(4) (6)
R
1
R
1
(3) (2) (1)
UMB8N
(3) (2) (1)
R
1
(4)
R
(5) (6)
IMB8A
(4) (5) (6)
R
1
1
(3) (2) (1)
R
1
!!!!
Absolute maximum ratings
(Ta = 25°C)
Parameter Symbol
Collector-base voltage
Collector-emitter voltage
Emitter-base voltage
Collector current
Power
dissipation
EMA4 / UMA4N / EMB4 / UMB4N / UMB8N
FMA4A / IMB4A / IMB8A
Junction temperature
Storage temperature
∗1 120mW per element must not be exceeded.
∗2 200mW per element must not be exceeded.
!!!!
Electrical characteristics
(Ta = 25°C)
V
V
V
Pd
Tstg
CBO
CEO
EBO
I
Tj
C
Parameter Symbol Min. Typ. Max.
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
Input resistance
∗Transition frequency of the device.
BV
BV
BV
V
CBO
CEO
EBO
I
CBO
I
EBO
CE(sat)
h
FE
f
T
R
1
!!!!Package, marking, and packaging specifications
Type
Package
Marking
Code
Basic ordering unit (pieces)
EMA4
EMT5
A4
T2R
8000
UMA4N
UMT5
3000
A4
TR
EMB4
EMT6
B4
T2R
8000
250
250
Unit
V
V
V
mA
∗1
mW
∗2
°C
°C
−
−
−
−
−
−
−
−
−
−0.5
−0.5
−0.3
600
−
Limits
−50
−50
−5
−100
150(TOTAL)
300(TOTAL)
150
−55
~
+150
−50
−50
−5
−
−
−
100
−
71013
B8
TR
3000
FMA4A
SMT5
T148
3000
UMB4N
UMT6
B4
TN
3000
UMB8N
UMT6
Unit
V
I
C
=−50µA
V
C
=−1mA
I
V
I
E
=−50µA
V
CB
µA
EB
V
µA
V
I
C/IB
CE
V
−
MHz
V
CE
kΩ
IMB4A
SMT6
A4
B4
T110
3000
Conditions
=−50V
=−4V
=−10mA/−1mA
=−5V, IC=−1mA
=−10V, IE=5mA, f=100MHz
−
IMB8A
SMT6
B8
T108
3000
∗
Transistors
!!!!External dimensions (Units : mm)
EMA4 UMA4N
(3)
ROHM : EMT5
0.22
0.13
(4)
(5)
0.5
(2)
0.5
(1)
1.2
1.6
Each lead has same dimensions
EMA4 / UMA4N / EMB4 / UMB4N / UMB8N /
FMA4A / IMB4A / IMB8A
)
)
4
3
(
(
)
0.65
2
(
1.3
0.2
1.0
1.6
0.5
ROHM : UMT5
EIAJ : SC-88A
0.15
0.1Min.
)
)
1
5
(
(
1.25
2.1
0to0.1
Each lead has same dimensions
0.65
0.7
2.0
0.9
EMB4
ROHM : EMT6
EMA4A
0.3to0.6
ROHM : SMT5
EIAJ : SC-74A
0.3
0.15
0.22
0.13
)
UMB4N / UMB8N
0.2
(3)
(4)
(6)
0.5
1.0
1.6
(2)(5)
0.5
(1)
1.2
1.6
0.5
Each lead has same dimensions
ROHM : UMT6
EIAJ : SC-88
0.15
0.1Min.
)
4
3
(
)
5
(
)
6
(
1.25
2.1
0to0.1
0.65
(
)
2
(
)
1
(
0.65
0.7
Each lead has same dimensions
1.3
2.0
0.9
IMB4A / IMB8A
)(
)
)
3
2
(
(
)
1
(
0.95
2.9
1.9
)(
4
(
0.95
)
5
1.6
2.8
1.1
0.8
0to0.1
Each lead has same dimensions
ROHM : SMT6
EIAJ : SC-74
0.3
0.15
0.3to0.6
)
6
1
(
(
0to0.1
0.95
)
1.9
2
(
0.95
)
3
(
1.1
0.8
)(
5
)
4
1.6
2.8
Each lead has same dimensions
2.9
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