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EMA2 / UMA2N / FMA2A
Transistors
Emitter common
(dual digital transistors)
EMA2 / UMA2N / FMA2A
Features External dimensions (Unit : mm)
1) Two DTA144E transistors in a EMT or UMT or SMT package.
EMA2
2) Mounting cost and area can be cut in half.
0.5 0.5
(4) (3)
0.22
1.0
1.6
(2)
(5) (1)
1.2
1.6
Structure
0.13
0.5
Dual PNP silicon transistor (each with two built in resistors)
Each lead has same dimensions
ROHM : EMT5
The following characteristics apply to both DTr1 and DTr2. Abbreviated symbol : A2
UMA2N
Equivalent circuit
(4)
(3)
0.65 0.65
1.3
2.0
0.2
(2)
EMA2 / UMA2N FMA2A
(6)
(1)
(3) (2) (1) R1=47k (3) (4) (5) R1=47k 1.25
R1 R2 R2 R1 R2=47k R1 R2 R2 R1 R2=47k 2.1
DTr2 DTr1 DTr2 DTr1
0.15
0.9
0.7
0to0.1
(4) (5) (2) (1) 0.1Min.
Each lead has same dimensions
ROHM : UMT5
EIAJ : SC-88A
Abbreviated symbol : A2
Absolute maximum ratings (Ta = 25