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UMF28N
Transistors
Power management (dual transistors)
UMF28N
2SA1774 and DTC124XE are housed independently in a UMT package.
Application External dimensions (Unit : mm)
Power management circuit
UMF28N
0.65
(3)
(4)
1.3
2.0
0.2
Features
(2)
(5)
(6)
1) Power switching circuit in a single package.
0.65
(1)
1.25
2) Mounting cost and area can be cut in half.
2.1
0.15
0.9
0.7
0to0.1
0.1Min.
Structure
Silicon epitaxial planar transistor Each lead has same dimensions
ROHM : UMT6
EIAJ : SC-88 Abbreviated symbol : F28
Equivalent circuit
(3) (2) (1)
DTr2 Tr1
R1
R2
(4) (5) (6)
R1=22k
R2=47k
Packaging specifications
Type UMF28N
Package UMT6
Marking F28
Code TR
Basic ordering unit (pieces) 3000
1/4
UMF28N
Transistors
Absolute maximum ratings (Ta=25
