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DTB143TK
Transistors

-500mA / -40V Digital transistors
(with built-in resistor)
DTB143TK
Applications External dimensions (Unit : mm)
Inverter, Interface, Driver

2.9 1.1

0.4 0.8
Features
1) Built-in bias resistors enable the configuration of an (3)

inverter circuit without connecting external input




2.8
1.6
resistors (see equivalent circuit).
2) The bias resistors consist of thin-film resistors with (2) (1)




0.3Min.
0.95 0.95
complete isolation to allow positive biasing of the input. 0.15
1.9
They also have the advantage of almost completely
Each lead has same dimension
eliminating parasitic effects.
ROHM : SMT3 (1) Emitter
3) Only the on / off conditions need to be set for EIAJ : SC-59 (2) Base
operation, making the device design easy. Abbreviated symbol : F93 (3) Collector




Structure Equivalent circuit
PNP epitaxial planar silicon transistor
(Resistor built-in type)

C
Packaging specifications B
R1
Package SMT3
Packaging type Taping E

Code T146 B : Base
C : Collector
Basic ordering E : Emitter
3000
Part No. unit (pieces)
R1=4.7k
DTB143TK




Absolute maximum ratings (Ta=25