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EMD28
Transistors
General purpose transistor (isolated transistors)
EMD28
DTB543X and DTC144E A are housed independently in a EMT6 package.
zApplications DC / DC converter Motor driver
zExternal dimensions (Unit : mm)
EMT6
zFeatures 1) DTr1 : PNP digital transistor DTr2 : 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
zStructure PNP / NPN Silicon epitaxial planar digital transistor
ROHM : EMT6
0.13
Each lead has same dimensions Abbreviated symbol : D28
The following characteristics apply to both DTr1 and DTr2. zEquivalent circuit
EMD28
(6) (5) R1 R2 DTr2 DTr1 R2
DTr1 : R1/R2 =4.