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Transistors
500mA / 40V Digital transistors
(with built-in resistor)
DTD143TK
Applications External dimensions (Unit : mm)
Inverter, Interface, Driver
2.9 1.1
0.4 0.8
Features (3)
1) Built-in bias resistors enable the configuration of an
2.8
1.6
inverter circuit without connecting external input
resistors (see equivalent circuit). (2) (1)
0.3Min.
0.95 0.95
2) The bias resistors consist of thin-film resistors with 0.15 (1) Emitter
1.9 (2) Base
complete isolation to allow negative biasing of the
(3) Collector
input. They also have the advantage of almost ROHM : SMT3 Each lead has same dimensions
completely eliminating parasitic effects. EIAJ : SC-59 Abbreviated symbol: F03
3) Only the on / off conditions need to be set for
operation, making the device design easy.
Structure Equivalent circuit
NPN epitaxial planar silicon transistor
(Resistor built-in type)
C
Packaging specifications B
Package SMT3 R1
Packaging type Taping E
Code T146 B : Base
Basic ordering C : Collector
Part No. unit (pieces) 3000 E : Emitter
DTD143TK R1=4.7k
Absolute maximum ratings (Ta=25
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