EMD28
Transistors
General purpose transistor
(isolated transistors)
EMD28
DTB543X
and DTC144E
A are housed independently in a EMT6 package.
Applications
DC / DC converter
Motor driver
External dimensions
(Unit : mm)
EMT6
Features
1) DTr
1
: PNP digital transistor
DTr
2
: NPN digital transistor
2) Mounting possible with EMT3 automatic mounting
machines.
1pin mark
1.6
1.0
0.5 0.5
(6) (5) (4)
0.5
1.6
1.2
(1) (2) (3)
0.22
0.13
Structure
PNP / NPN Silicon epitaxial planar digital transistor
ROHM : EMT6
Each lead has same dimensions
Abbreviated symbol : D28
The following characteristics apply to both DTr1 and
DTr2.
Equivalent circuit
EMD28
(6)
(5)
R1
R2
DTr2
DTr1
R2
DTr
1
: R
1
/R
2
=4.7k鈩?10k鈩?/div>
DTr
2
: R
1
/R
2
=47k鈩?47k鈩?/div>
(4)
R1
(2)
(3)
(1)
Packaging specifications
Type
EMD28
Package
EMT6
Marking
D28
Code
T2R
Basic ordering unit (pieces)
8000
1/5
next