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Contents

README

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ULN2003L-D16-T

UTC(Unisonic Tech) · Darlington Transistor Arrays · DIP-16

ULN2003L-D16-T from UTC(Unisonic Tech), in a DIP-16. 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 I1 input Input 1 of the Darlington driver; output on requires VIN(ON) of 2.8V min (IOUT=400mA) up to 24V max, off at 0 to 0.7V.
2 I2 input Input 2 of the Darlington driver; output on requires VIN(ON) of 2.8V min (IOUT=400mA) up to 24V max, off at 0 to 0.7V.
3 I3 input Input 3 of the Darlington driver; output on requires VIN(ON) of 2.8V min (IOUT=400mA) up to 24V max, off at 0 to 0.7V.
4 I4 input Input 4 of the Darlington driver; output on requires VIN(ON) of 2.8V min (IOUT=400mA) up to 24V max, off at 0 to 0.7V.
5 I5 input Input 5 of the Darlington driver; output on requires VIN(ON) of 2.8V min (IOUT=400mA) up to 24V max, off at 0 to 0.7V.
6 I6 input Input 6 of the Darlington driver; output on requires VIN(ON) of 2.8V min (IOUT=400mA) up to 24V max, off at 0 to 0.7V.
7 I7 input Input 7 of the Darlington driver; output on requires VIN(ON) of 2.8V min (IOUT=400mA) up to 24V max, off at 0 to 0.7V.
8 GND power_in Ground pin of the driver array, which must be wired carefully to avoid IC damage from improper grounding.
9 COMMON passive Common cathode of the output clamp diodes, to be shorted to the load power supply (50V max clamp diode reverse voltage) for inductive loads.
10 O7 output Open-collector Darlington output 7 sinking up to 500mA, with 50V max sustaining voltage.
11 O6 output Open-collector Darlington output 6 sinking up to 500mA, with 50V max sustaining voltage.
12 O5 output Open-collector Darlington output 5 sinking up to 500mA, with 50V max sustaining voltage.
13 O4 output Open-collector Darlington output 4 sinking up to 500mA, with 50V max sustaining voltage.
14 O3 output Open-collector Darlington output 3 sinking up to 500mA, with 50V max sustaining voltage.
15 O2 output Open-collector Darlington output 2 sinking up to 500mA, with 50V max sustaining voltage.
16 O1 output Open-collector Darlington output 1 sinking up to 500mA, with 50V max sustaining voltage.

Key specifications

Parameter Value
Manufacturer UTC(Unisonic Tech)
Package DIP-16
Category Transistors
Pins 16

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Output Leakage Current (TA=25°C) ILEAK 50 μA VCE = 50 V, TA = 25°C 4
Output Leakage Current (TA=85°C) ILEAK 100 μA VCE = 50 V, TA = 85°C 4
Collector-Emitter Saturation Voltage VCEO(SAT) 1.3 1.6 V IOUT = 350 mA, IIN = 500 μA 4
Collector-Emitter Saturation Voltage VCEO(SAT) 1.1 1.3 V IOUT = 200 mA, IIN = 350 μA 4
Collector-Emitter Saturation Voltage VCEO(SAT) 0.9 1.1 V IOUT = 100 mA, IIN = 250 μA 4
DC Current Transfer Ratio hFE 1000 VCE = 2 V, IOUT = 350 mA 4
Input Current (Output On) IIN(ON) 0.4 0.7 mA VIN = 2.4 V, IOUT = 350 mA 4
Input Current (Output Off) IIN(OFF) 50 65 μA IOUT = 500 µA, TA = 85°C 4
Input Voltage (Output On) VIN(ON) 2.6 V VCE = 2 V, IOUT = 350 mA 4
Input Voltage (Output On) VIN(ON) 2 V VCE = 2 V, IOUT = 200 mA 4
Clamp Diode Reverse Current (TA=25°C) IR 50 μA VR = 50 V, TA = 25°C 4
Clamp Diode Reverse Current (TA=85°C) IR 100 μA VR = 50 V, TA = 85°C 4
Clamp Diode Forward Voltage VF 2 V IF = 350 mA 4
Input Capacitance CIN 15 pF 4
Turn-On Delay tON 0.1 μs VOUT = 50 V, RL = 125 Ω, CL = 15 pF 4
Turn-Off Delay tOFF 0.2 μs VOUT = 50 V, RL = 125 Ω, CL = 15 pF 4
Output Sustaining Voltage (abs max) VOUT -0.5 50 V TA=25C 3
Input Voltage (abs max) VIN -0.5 30 V TA=25C 3
Clamp Diode Reverse Voltage (abs max) VR 50 V TA=25C 3
Output Current (abs max) IOUT 500 mA/ch TA=25C 3
Clamp Diode Forward Current (abs max) IF 500 mA TA=25C 3
Power Dissipation DIP-16 (abs max) PD 1.47 W DIP-16, TA=25C 3
Junction Temperature (abs max) TJ 125 °C 3
Operating Temperature (abs max) TOPR -40 85 °C 3
Storage Temperature (abs max) TSTG -55 150 °C 3
Output Sustaining Voltage (recommended) VOUT 0 50 V TA=-40~+85°C 3
Output Current DIP-16 IOUT 0 350 mA/ch Duty = 10%, TPW = 25ms, 7 Circuits, TA = 85°C, TJ = 120°C 3
Output Current DIP-16 IOUT 0 100 mA/ch Duty = 50%, TPW = 25ms, 7 Circuits, TA = 85°C, TJ = 120°C 3
Input Voltage VIN 0 24 V 3
Input Voltage (Output On) VIN(ON) 2.8 24 V IOUT = 400mA 3
Input Voltage (Output Off) VIN(OFF) 0 0.7 V 3
Clamp Diode Reverse Voltage (recommended) VR 50 V 3
Clamp Diode Forward Current (recommended) IF 350 mA 3
Power Dissipation DIP-16 (recommended) PD 0.76 W DIP-16, TA = 85°C 3

CAD (KiCad official)

  • Symbol: ULN2003L-D16-T
  • Footprint: Package_DIP:DIP-16_W7.62mm
  • 3D model: DIP-16 (KiCad packages3D, STEP)
  • 3D model files: uln2003l-d16-t-etched.step / uln2003l-d16-t-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); uln2003l-d16-t.step / uln2003l-d16-t.glb are the bare package body.

Provenance

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

  • Datasheet: UTC(Unisonic Tech) datasheet (10 pp, sha256 3ba3da1088980721, retrieved 2026-10-22, 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