EMA3 / UMA3N / FMA3A
Tr
ansistors
Emitter common
(dual digital transistors)
EMA3 / UMA3N / FMA3A
Features
1) Two DTA143Ts in a EMT or UMT or SMT package.
2) Mounting cost and area can be cut in half.
External dimensions
(Unit : mm)
EMA3
0.22
(4)
(3)
(2)
(5)
Structure
Epitaxial planar type PNP silicon transistor (Built-in
resistor type.)
0.13
1.2
1.6
(1)
Each lead has same dimensions
ROHM : EMT5
Abbreviated symbol : A3
0.65 0.65
The following characteristics apply to both DTr
1
and
DTr
2
.
UMA3N
(4)
(3)
0.5
0.5 0.5
1.0
1.6
0.2
(6)
1.25
Equivalent circuit
0.15
2.1
0.7
0.9
1.1
2.9
0.1Min.
R
1
=4.7k鈩?/div>
R
1
DTr
2
0to0.1
EMA3 / UMA3N
(3)
(2)
(1)
R
1
DTr
1
(4)
(5)
FMA3A
R
1
=4.7k鈩?/div>
R
1
DTr
2
(2)
(1)
(3)
(4)
(5)
R
1
DTr
1
Each lead has same dimensions
ROHM : UMT5
EIAJ : SC-88A
Abbreviated symbol : A3
FMA3A
0.95 0.95
1.9
0.3
(2)
(4)
(3)
(1)
1.6
2.8
0.15
0.8
0.3to0.6
0to0.1
Each lead has same dimensions
ROHM : SMT5
EIAJ : SC-74A
Abbreviated symbol : A3
(5)
(1)
1.3
2.0
(2)
Rev.A
1/2
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