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DDTC143ZCAQ-13-F

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Diodes Incorporated Digital Transistors, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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DDTC143ZCAQ-13-F

Diodes Incorporated · Digital Transistors · SOT-23

DDTC143ZCAQ-13-F from Diodes Incorporated, in a SOT-23. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 IN input Base input through built-in 4.7kΩ R1 (47kΩ R2 to ground); input voltage rated -5 to +30 V measured pin 1 to pin 2 for DDTC143ZCA.
2 GND power_in Ground (0) / emitter reference pin for the input and supply voltage ratings.
3 OUT output Collector output of the NPN pre-biased transistor; supply voltage VCC 50 V maximum (pin 3 to pin 2) and output current 100 mA maximum.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package SOT-23
Category Transistors
Pins 3

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Supply Voltage VCC 50 V Pin 3 to 2, TA=+25°C 2
Input Voltage VIN -5 30 V Pin 1 to 2, DDTC143ZCA, TA=+25°C 2
Output Current IO 100 mA DDTC143ZCA 2
Power Dissipation PD 200 mW Note 6, TA=+25°C 2
Thermal Resistance, Junction to Ambient Air RθJA 625 C/W Note 6, FR4 PC board with minimum recommended pad layout 2
Operating and Storage Temperature Range TJ, TSTG -55 150 C 2
Input Voltage (off) Vl(OFF) 0.5 V VCC = 5V, IO = 100μA 3
Input Voltage (on) Vl(ON) 1.3 V VO = 0.3V, IO = 5mA 3
Output Voltage VO(ON) 0.1 0.3 V IO/Il = 5mA/0.25mA 3
Input Current Il 1.8 mA VI = 5V 3
Output Current (off) IO(OFF) 0.5 μA VCC = 50V, VI = 0V 3
DC Current Gain Gl 80 VO = 5V, IO = 10mA 3
Input Resistor Tolerance R1 -30 30 % 3
Resistance Ratio Tolerance R2/R1 -20 20 % 3
Gain-Bandwidth Product fT 250 MHz VCE = 10V, IE = 5mA, f = 100MHz (Note 7, for reference only) 3
Input Resistor R1 nominal R1 4.7 KΩ DDTC143ZCA 1
Resistor R2 nominal R2 47 KΩ DDTC143ZCA 1

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts tin  Terminals: Finish, Matte Tin Plated Leads, Solderable per MIL-STD-202, Method 208 1

CAD (KiCad official)

  • Symbol: DDTC143ZCAQ-13-F
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: ddtc143zcaq-13-f-etched.step / ddtc143zcaq-13-f-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ddtc143zcaq-13-f.step / ddtc143zcaq-13-f.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Diodes Incorporated datasheet (6 pp, sha256 0cc5dc96040d959d, retrieved 2026-10-22, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF