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Contents

README

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ULN2004MT

HGSEMI · Darlington Transistor Arrays · TSSOP-16

ULN2004MT 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 Darlington channel 1 input with 10.5-kΩ series base resistor for CMOS drive from 6 to 15 V supplies; absolute maximum input voltage 30 V.
2 2B input Darlington channel 2 input with 10.5-kΩ series base resistor for CMOS drive from 6 to 15 V supplies; absolute maximum input voltage 30 V.
3 3B input Darlington channel 3 input with 10.5-kΩ series base resistor for CMOS drive from 6 to 15 V supplies; absolute maximum input voltage 30 V.
4 4B input Darlington channel 4 input with 10.5-kΩ series base resistor for CMOS drive from 6 to 15 V supplies; absolute maximum input voltage 30 V.
5 5B input Darlington channel 5 input with 10.5-kΩ series base resistor for CMOS drive from 6 to 15 V supplies; absolute maximum input voltage 30 V.
6 6B input Darlington channel 6 input with 10.5-kΩ series base resistor for CMOS drive from 6 to 15 V supplies; absolute maximum input voltage 30 V.
7 7B input Darlington channel 7 input with 10.5-kΩ series base resistor for CMOS drive from 6 to 15 V supplies; absolute maximum input voltage 30 V.
8 GND power_in Ground / emitter-substrate terminal E, reference for all voltages; total emitter-terminal current is limited to -2.5 A.
9 COM passive Common cathode of the output clamp diodes for switching inductive loads; clamp current rated 500 mA.
10 7C output Darlington channel 7 open-collector output rated 500 mA and 50 V.
11 6C output Darlington channel 6 open-collector output rated 500 mA and 50 V.
12 5C output Darlington channel 5 open-collector output rated 500 mA and 50 V.
13 4C output Darlington channel 4 open-collector output rated 500 mA and 50 V.
14 3C output Darlington channel 3 open-collector output rated 500 mA and 50 V.
15 2C output Darlington channel 2 open-collector output rated 500 mA and 50 V.
16 1C output Darlington channel 1 open-collector output rated 500 mA and 50 V.

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
Collector-emitter voltage VCE 50 V 4
Input voltage VI 30 V With respect to emitter/substrate terminal E 4
Peak collector current IC 500 mA See Figures 14 and 15 4
Output clamp current IOK 500 mA 4
Total emitter-terminal current IE -2.5 A 4
Operating free-air temperature range TA -20 85 °C 4
Storage temperature range Tstg -65 150 °C 4
Lead temperature (soldering) 260 °C 10 seconds 4
On-state input voltage VI(on) 5 V VCE=2V, IC=125mA 5
On-state input voltage VI(on) 6 V VCE=2V, IC=200mA 5
On-state input voltage VI(on) 7 V VCE=2V, IC=275mA 5
On-state input voltage VI(on) 8 V VCE=2V, IC=350mA 5
Collector-emitter saturation voltage VCE(sat) 0.9 1.1 V II=250µA, IC=100mA 5
Collector-emitter saturation voltage VCE(sat) 1 1.3 V II=350µA, IC=200mA 5
Collector-emitter saturation voltage VCE(sat) 1.2 1.6 V II=500µA, IC=350mA 5
Collector cutoff current ICEX 50 µA VCE=50V, II=0 5
Collector cutoff current ICEX 100 µA VCE=50V, TA=70°C, II=0 5
Collector cutoff current ICEX 500 µA VI = 1 V 5
Clamp forward voltage VF 1.7 2 V IF = 350 mA 5
Off-state input current II(off) 50 65 µA VCE=50V, IC=500µA, TA=70°C 5
Input current II 0.35 0.5 mA VI = 5 V 5
Input current II 1 1.45 mA VI = 12 V 5
Clamp reverse current IR 50 µA VR = 50 V 5
Clamp reverse current IR 100 µA VR = 50 V, TA = 70°C 5
Input capacitance Ci 15 25 pF VI = 0, f = 1 MHz 5
Propagation delay time, low-to-high-level output tPLH 0.25 1 µs See Figure 9 5
Propagation delay time, high-to-low-level output tPHL 0.25 1 µs See Figure 9 5

CAD (KiCad official)

  • Symbol: ULN2004MT
  • Footprint: Package_SO:TSSOP-16_4.4x5mm_P0.65mm
  • 3D model: TSSOP-16 (KiCad packages3D, STEP)
  • 3D model files: uln2004mt-etched.step / uln2004mt-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); uln2004mt.step / uln2004mt.glb are the bare package body.

Provenance

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

  • Datasheet: HGSEMI datasheet (14 pp, sha256 a3310c4af7adb209, retrieved 2026-10-18, tier: lcsc)
  • 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