EMB3 / UMB3N / IMB3A
Transistors
General purpose (dual digital transistors)
EMB3 / UMB3N / IMB3A
zExternal dimensions (Unit : mm)
zFeatures
1) Two DTA143T chips in a EMT6 or UMT6 or SMT6
package.
EMB3
1.6
0.5
1.0
0.5 0.5
2) Mounting possible with EMT3 or UMT3 or SMT3
automatic mounting machines.
3) Transistor elements are independent, eliminating
interference.
(
)
( )
( )
4
6
5
(
1
)
( )
( )
2
3
1pin mark
0.22
0.13
Each lead has same dimensions
Abbreviated symbol : B3
ROHM : EMT6
UMB3N
zStructure
Dual PNP digital transistor
(each with single built in resistor)
2.0
1.3
0.9
0.7
0.65
0.65
The following characteristics apply to both DTr
1
and DTr
2.
( )
5
( )
4
(
)
6
( )
1
( )
3
zEquivalent circuit
1pin mark
( )
2
0.2
0.15
EMB3, UMB3N
IMB3A
(4) (5) (6)
(3) (2) (1)
R1
R1
Each lead has same dimensions
Abbreviated symbol : B3
ROHM : UMT6
EIAJ : SC-88
DTr1
DTr1
DTr2
DTr2
R
1
R1
IMB3A
(4) (5) (6)
(3) (2) (1)
2.9
1.9
0.95 0.95
1.1
R1=4.7kΩ
R1=4.7kΩ
0.8
(
)
(
)
(
)
6
4
5
2
zPackaging specifications
(
1
)
(
3
)
(
)
Package
Code
Taping
TN
1pin mark
T2R
T110
3000
−
0.15
0.3
Type
Basic ordering unit (pieces)
8000
3000
−
EMB3
UMB3N
IMB3N
Each lead has same dimensions
Abbreviated symbol : B3
ROHM : SMT6
EIAJ : SC-74
−
−
−
−
Rev.B
1/2