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EMB2 / UMB2N / IMB2A
Transistors
General purpose
(dual digital transistors)
EMB2 / UMB2N / IMB2A
Features External dimensions (Unit : mm)
1) Two DTA144E chips in a EMT or UMT or SMT EMB2
package.
0.5 0.5
(4) (3)
0.22
1.0
1.6
2) Same size as EMT3 or UMT3 or SMT3 package, so (5) (2)
(6) (1)
same mounting machine can be used for both. 1.2
1.6
0.13
3) Transistor elements are independent, eliminating
0.5
interference.
Each lead has same dimensions
ROHM : EMT6 Abbreviated symbol : B2
Structure UMB2N
Epitaxial planar type
0.65
(3)
(4)
PNP silicon transistor (Built-in resistor type)
1.3
2.0
0.2
(2)
(5)
(6)
0.65
(1)
1.25
The following characteristics apply to both DTr1 and 2.1
0.15
DTr2.
0.9
0.7
0to0.1
0.1Min.
Each lead has same dimensions
Equivalent circuit ROHM : UMT6
EIAJ : SC-88 Abbreviated symbol : B2
EMB2 / UMB2N IMB2A
(3) (2) (1) (4) (5) (6) IMB2A
R1 R2 R1 R2
0.95 0.95
(6)
(1)
0.3
DTr1 DTr1
2.9
1.9
DTr2 DTr2
(2)
(5)
R1=47k R1=47k
(4)
(3)
R2=47k R2 R1 R2 R1 R2=47k
(4) (5) (6) (3) (2) (1) 1.6
2.8
0.15
1.1
0.8
0to0.1
0.3to0.6
Absolute maximum ratings (Ta = 25