DTA143X series - Features - built-in bias resistors, complementary NPN

Oct 12, 2026

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DTA143X series datasheet provides electrical, absolute-maximum, and packaging specifications for complementary NPN transistors. It lists key parameters such as Vcc up to -50V, input range, output current to -100mA, junction temperature up to 150°C, and storage temperature from -55°C to +150°C. The document describes inverter/application use, built-in biasing resistors (R1=4.7kΩ, R2=10kΩ), inner circuit terminal functions, and multiple SOT package outlines with ordering and tape/reel data.

LanguageEnglish

CategoryTechnology

FormatPDF

Pages13

Reading Time33 min

AccessFree to download

Features

Application

Inner circuit

Packaging specifications

Absolute maximum ratings (Ta=25℃)

Electrical characteristics (Ta=25℃)

Electrical characteristic curves (Ta=25℃)

Dimensions

DTA143X series | Parameter | Value | | --- | --- | | Vcc | -50V | | Ic(MAX.) | -100mA | | R₁ | 4.7kΩ | | R₂ | 10kΩ | ## ●Features 1)Built-In Biasing Resistors,R1=4.7kΩ,R2=10kΩ 2)Built-in bias resistors enable the configuration ofan inverter circuit without connecting externalinput resistors (see inner circuit). 3)Only the on/off conditions need to be setfor operation,making the circuit design easy. 4)Complementary NPN Types:DTC143X series ## ●Application INVERTER,INTERFACE,DRIVER ## ●Inner circuit DTA143XM DTA143XEB/DTA143XUB (1)IN(BASE) (2)GND(+)(EMITTER) (3)OUT (COLLECTOR) ## ●Packaging specifications ●Outline | SOT-723
DTA143XM
(VMT3) | SOT-416FL
DTA143XEB
(EMT3F) | | --- | --- | | SOT-416
DTA143XE
(EMT3) | SOT-323FL
DTA143XUB
(UMT3F) | | SOT-323
DTA143XU3
(UMT3) | SOT-346
DTA143XKA
(SMT3) | DTA143XE/DTA143XU3/DTA143XKA (2) (1)GND(+)(EMITTER) (2)IN(BASE) (3)OUT(COLLECTOR) | Part No. | Package | Package
size | Taping
code | Reel size
(mm) | Tape width
(mm) | Basic
ordering
unit.(pcs) | Marking | | --- | --- | --- | --- | --- | --- | --- | --- | | DTA143XM | SOT-723 | 1212 | T2L | 180 | 8 | 8000 | 33 | | DTA143XEB | SOT-416FL | 1616 | TL | 180 | 8 | 3000 | 33 | | DTA143XE | SOT-416 | 1616 | TL | 180 | 8 | 3000 | 33 | | DTA143XUB | SOT-323FL | 2021 | TL | 180 | 8 | 3000 | 33 | | DTA143XU3 | SOT-323 | 2021 | T106 | 180 | 8 | 3000 | 33 | | DTA143XKA | SOT-346 | 2928 | T146 | 180 | 8 | 3000 | 33 | DTA143Xseries ## ●Absolute maximum ratings(Ta=25℃) | Parameter | | Symbol | Values | Unit | | --- | --- | --- | --- | --- | | Supply voltage | | Vcc | -50 | V | | Input voltage | | VIn | -20 to 7 | V | | Output current | | lo | -100 | mA | | Collector current | | IcmAx | -100 | mA | | Power dissipation | DTA143XM | Po² | 150 | mW | | | DTA143XEB | | 150 | | | | DTA143XE | | 150 | | | | DTA143XUB | | 200 | | | | DTA143XU3 | | 200 | | | | DTA143XKA | | 200 | | | Junction temperature | | Tj | 150 | ℃ | | Range of storage temperature | | Tst | -55 to+150 | ℃ | ## ●Electrical characteristics(Ta=25℃) | Parameter | Symbol | Conditions | Values | | | Unit | | --- | --- | --- | --- | --- | --- | --- | | | | | Min. | Typ. | Max. | | | Input voltage | Vvof | Vcc=-5V,lo=-100μA | - | - | -0.3 | V | | | Vl(on) | Vo=-0.3V,lo=-20mA | -2.5 | - | - | | | Output voltage | Vαon) | lo=-10mA,I=-0.5mA | - | -100 | -300 | mV | | Input current | I| | V₁=-5V | - | - | -1.8 | mA | | Output current | lo(off) | Vcc=-50V,V₁=0V | - | - | -500 | nA | | DC current gain | G | Vo=-5V,lo=-10mA | 30 | - | - | - | | Input resistance | R₁ | - | 3.29 | 4.7 | 6.11 | kΩ | | Resistance ratio | R₂/R₁ | - | 1.7 | 2.1 | 2.6 | - | | Transition frequency | f-*1 | VCE=-10V,IE=5mA,
f=100MHz | - | 250 | - | MHz | *1 Characteristics of built-in transistor*2 Each terminal mounted on a reference land. ●Electrical characteristic curves(Ta=25℃) Fig.1 Input voltage vs.output current (ONcharacteristics) INPUT VOLTAGE:VI(on) [V] OUTPUT CURRENT:lo[A] Fig.3 Output current vs.output voltage OUTPUT CURRENT:[mA] OUTPUT VOLTAGE:V。[V] OUTPUT CURRENT:I[A DC CURRENT GAIN:G Fig.2 Output current vs.input voltage (OFFcharacteristics) INPUT VOLTAGE:Vi(off)[V] Fig.4 DC curent gain vs.output current OUTPUT CURRENT:I。[A] ## ●Electrical characteristic curves(Ta=25℃) Fig.5 Output voltage vs.output current OUTPUT>OLTAGE:Vo(n)(V OUTPUT CURRENT:I。[A] DTA143X series ●Dimensions SOT-723 SC-105AA (VMT3) | DIM | MILIMETERS | | INCHES

FAQs

What built-in resistors are included in the DTA143X series?

The series integrates biasing resistors with R1=4.7kΩ and R2=10kΩ, enabling inverter configuration without external input resistors.

What are the absolute maximum ratings at Ta=25℃ for the DTA143X series?

Absolute maximums include Vcc=-50V, output current around -100mA (series-dependent), junction temperature up to 150°C, and storage temperature from -55°C to +150°C.

Which applications are specified for DTA143X series devices?

The document lists applications as INVERTER, INTERFACE, and DRIVER.

Oct 12, 2026

Upload by dawugda