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UMA3N Datasheet, PDF (1/3 Pages) Rohm – Emitter common (dual digital transistors)
Transistors
Emitter common
(dual digital transistors)
EMA3 / UMA3N / FMA3A
EMA3 / UMA3N / FMA3A
zFeatures
1) Two DTA143Ts in a EMT or UMT or SMT package.
2) Mounting cost and area can be cut in half.
zStructure
Epitaxial planar type PNP silicon transistor (Built-in
resistor type.)
The following characteristics apply to both DTr1 and
DTr2.
zExternal dimensions (Unit : mm)
EMA3
(4)
(3)
(2)
(5)
(1)
1.2
1.6
Each lead has same dimensions
ROHM : EMT5
Abbreviated symbol : A3
UMA3N
zEquivalent circuit
EMA3 / UMA3N
FMA3A
R1=4.7kΩ (3)
R1
DTr2
(4)
(2) (1)
R1
DTr1
(5)
R1=4.7kΩ (3)
R1
DTr2
(2)
(4) (5)
R1
DTr1
(1)
1.25
2.1
0.1Min.
ROHM : UMT5
EIAJ : SC-88A
Each lead has same dimensions
FMA3A
Abbreviated symbol : A3
1.6
2.8
0.3to0.6
ROHM : SMT5
EIAJ : SC-74A
Each lead has same dimensions
Abbreviated symbol : A3
Rev.A
1/2