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Contents

README

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ULN2003AMT

HGSEMI · Darlington Transistor Arrays · TSSOP-16

ULN2003AMT from HGSEMI, in a TSSOP-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 1B input Channel 1 Darlington base input, TTL/5V CMOS compatible through an internal 2.7k base resistor, with absolute maximum input voltage of -0.5 to 30 V.
2 2B input Channel 2 Darlington base input, TTL/5V CMOS compatible through an internal 2.7k base resistor, with absolute maximum input voltage of -0.5 to 30 V.
3 3B input Channel 3 Darlington base input, TTL/5V CMOS compatible through an internal 2.7k base resistor, with absolute maximum input voltage of -0.5 to 30 V.
4 4B input Channel 4 Darlington base input, TTL/5V CMOS compatible through an internal 2.7k base resistor, with absolute maximum input voltage of -0.5 to 30 V.
5 5B input Channel 5 Darlington base input, TTL/5V CMOS compatible through an internal 2.7k base resistor, with absolute maximum input voltage of -0.5 to 30 V.
6 6B input Channel 6 Darlington base input, TTL/5V CMOS compatible through an internal 2.7k base resistor, with absolute maximum input voltage of -0.5 to 30 V.
7 7B input Channel 7 Darlington base input, TTL/5V CMOS compatible through an internal 2.7k base resistor, with absolute maximum input voltage of -0.5 to 30 V.
8 GND power_in Common emitter of all seven Darlington transistors, connected to ground.
9 COM passive Common cathode of the clamp diodes for inductive loads, with maximum clamp diode reverse voltage of 50 V and forward current of 25 mA.
10 7C output Channel 7 open-collector Darlington output, rated for up to 500 mA continuous and 50 V off-state.
11 6C output Channel 6 open-collector Darlington output, rated for up to 500 mA continuous and 50 V off-state.
12 5C output Channel 5 open-collector Darlington output, rated for up to 500 mA continuous and 50 V off-state.
13 4C output Channel 4 open-collector Darlington output, rated for up to 500 mA continuous and 50 V off-state.
14 3C output Channel 3 open-collector Darlington output, rated for up to 500 mA continuous and 50 V off-state.
15 2C output Channel 2 open-collector Darlington output, rated for up to 500 mA continuous and 50 V off-state.
16 1C output Channel 1 open-collector Darlington output, rated for up to 500 mA continuous and 50 V off-state.

Key specifications

Parameter Value
Manufacturer HGSEMI
Package TSSOP-16
Category Transistors/Thyristors
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
Input voltage VIN -0.5 30 V 3
Output voltage VOUT -0.5 50 V 3
Clamp diode reverse voltage VR 50 V 3
Collector continuous output current IOUT 500 mA 3
Clamp diode forward current IF 25 mA 3
Storage temperature TSTG -55 150 °C 3
Operating temperature TOPR -40 85 °C 3
Junction temperature TJ -40 150 °C 3
Lead temperature (soldering) TLEAD 260 °C soldering 10s 3
Output leakage current, TA=25°C ICEX 20 uA TA=25°C, VCE=50V (Fig 1) 3
Output leakage current, TA=85°C ICEX 100 uA TA=85°C, VCE=50V (Fig 1) 3
Collector-emitter saturation voltage VCE(sat) 1.3 1.6 V IOUT=350mA, IIN=500 uA (Fig 3) 3
Collector-emitter saturation voltage VCE(sat) 1.1 1.3 V IOUT=250mA, IIN=350 uA (Fig 3) 3
Collector-emitter saturation voltage VCE(sat) 0.9 1.1 V IOUT=100mA, IIN=250 uA (Fig 3) 3
On-state input current II(ON) 0.93 1.35 mA VI=3.85V (Fig 4) 3
Off-state input current, TA=+25°C II(OFF) 50 100 uA TA=+25°C 3
Off-state input current, TA=+85°C II(OFF) 25 50 uA TA=+85°C 3
On-state input voltage VI(ON) 2.4 V VCE=2.0V, IC=200mA (Fig 6) 3
On-state input voltage VI(ON) 2.7 V VCE=2.0V, IC=250mA (Fig 6) 3
On-state input voltage VI(ON) 3 V VCE=2.0V, IC=300mA (Fig 6) 3
Input capacitance CI 15 30 pF 3
Turn-on delay time tMH 1 µS VOUT=50V, RL=130Ω 3
Turn-off delay time tML 1 µS VOUT=50V, RL=130Ω 3
Clamp diode leakage current, TA=+25°C IR 5 10 µA TA=+25°C, VR=50V (Fig 7) 3
Clamp diode leakage current, TA=+85°C IR 10 50 µA TA=+85°C, VR=50V (Fig 7) 3
Clamp diode forward voltage VF 1.7 2 V IF=350mA (Fig 8) 3

CAD (KiCad official)

  • Symbol: ULN2003AMT
  • Footprint: Package_SO:TSSOP-16_4.4x5mm_P0.65mm
  • 3D model: TSSOP-16 (KiCad packages3D, STEP)
  • 3D model files: uln2003amt-etched.step / uln2003amt-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); uln2003amt.step / uln2003amt.glb are the bare package body.

Provenance

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

  • Datasheet: HGSEMI datasheet (10 pp, sha256 995b5bd619cd84d5, retrieved 2026-10-18, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • 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