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ADC143ZUQ-7

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Diodes Incorporated Digital Transistors, SOT-363. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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ADC143ZUQ-7

Diodes Incorporated · Digital Transistors · SOT-363

ADC143ZUQ-7 from Diodes Incorporated, in a SOT-363. 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 GND1 power_in Ground (emitter) of transistor 1, which has built-in R1 4.7kΩ and R2 47kΩ nominal bias resistors.
2 IN1 input Input (base through R1) of transistor 1; VIN rated -5 to +30 V, Vl(off) 0.5 V min and Vl(on) 1.3 V max.
3 OUT2 output Output (collector) of transistor 2; output current IC(max) 100 mA and supply voltage VCC 50 V maximum.
4 GND2 power_in Ground (emitter) of transistor 2, which has built-in R1 4.7kΩ and R2 47kΩ nominal bias resistors.
5 IN2 input Input (base through R1) of transistor 2; VIN rated -5 to +30 V, Vl(off) 0.5 V min and Vl(on) 1.3 V max.
6 OUT1 output Output (collector) of transistor 1; output current IC(max) 100 mA and supply voltage VCC 50 V maximum.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package SOT-363
Category Transistors/Thyristors
Pins 6

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 TA = +25°C 2
Input Voltage VIN -5 30 V TA = +25°C 2
Output Current IC(max) 100 mA TA = +25°C 2
Power Dissipation PD 270 mW Mounted on FR-4 PC board with minimum recommended pad layout; 150mW per element must not be exceeded 2
Thermal Resistance, Junction to Ambient Air RθJA 450 °C/W Mounted on FR-4 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 IO(off) 0.5 μA VCC = 50V, VI = 0V 3
DC Current Gain Gl 80 VO = 5V, IO = 10mA 3
Input Resistor (R1) 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; transistor, for reference only 3
Input Resistor R1 (nominal) R1 4.7 kΩ NOM 1
Resistor R2 (nominal) R2 47 kΩ NOM 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: ADC143ZUQ-7
  • Footprint: Package_TO_SOT_SMD:SOT-363_SC-70-6
  • 3D model: SOT-363 (KiCad packages3D, STEP)
  • 3D model files: adc143zuq-7-etched.step / adc143zuq-7-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); adc143zuq-7.step / adc143zuq-7.glb are the bare package body.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (6 pp, sha256 94600bc31dd4aafd, retrieved 2026-10-30, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-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