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ULN2003G-P16-R
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UTC Unisonic Tech Darlington Transistor Arrays, TSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownULN2003G-P16-R
UTC Unisonic Tech · Darlington Transistor Arrays · TSSOP-16
ULN2003G-P16-R from UTC Unisonic Tech, 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 | I1 | input | Darlington channel 1 input; input voltage rated up to 24V recommended, 2.8V min for output on at 400mA and 0.7V max for output off. |
| 2 | I2 | input | Darlington channel 2 input; input voltage rated up to 24V recommended, 2.8V min for output on at 400mA and 0.7V max for output off. |
| 3 | I3 | input | Darlington channel 3 input; input voltage rated up to 24V recommended, 2.8V min for output on at 400mA and 0.7V max for output off. |
| 4 | I4 | input | Darlington channel 4 input; input voltage rated up to 24V recommended, 2.8V min for output on at 400mA and 0.7V max for output off. |
| 5 | I5 | input | Darlington channel 5 input; input voltage rated up to 24V recommended, 2.8V min for output on at 400mA and 0.7V max for output off. |
| 6 | I6 | input | Darlington channel 6 input; input voltage rated up to 24V recommended, 2.8V min for output on at 400mA and 0.7V max for output off. |
| 7 | I7 | input | Darlington channel 7 input; input voltage rated up to 24V recommended, 2.8V min for output on at 400mA and 0.7V max for output off. |
| 8 | GND | power_in | Ground pin; must be wired carefully since improper grounding can destroy the IC. |
| 9 | COMMON | passive | Common cathode of the clamp diodes, to be connected to the load power supply (clamp diode reverse voltage 50V max, forward current 500mA max). |
| 10 | O7 | output | Channel 7 open-collector Darlington output; sustaining voltage 50V max and 500mA max per channel. |
| 11 | O6 | output | Channel 6 open-collector Darlington output; sustaining voltage 50V max and 500mA max per channel. |
| 12 | O5 | output | Channel 5 open-collector Darlington output; sustaining voltage 50V max and 500mA max per channel. |
| 13 | O4 | output | Channel 4 open-collector Darlington output; sustaining voltage 50V max and 500mA max per channel. |
| 14 | O3 | output | Channel 3 open-collector Darlington output; sustaining voltage 50V max and 500mA max per channel. |
| 15 | O2 | output | Channel 2 open-collector Darlington output; sustaining voltage 50V max and 500mA max per channel. |
| 16 | O1 | output | Channel 1 open-collector Darlington output; sustaining voltage 50V max and 500mA max per channel. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | UTC Unisonic Tech |
| 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 |
|---|---|---|---|---|---|---|---|
| Output Sustaining Voltage | VOUT | -0.5 | 50 | V | 3 | ||
| Input Voltage | VIN | -0.5 | 30 | V | 3 | ||
| Clamp Diode Reverse Voltage | VR | 50 | V | 3 | |||
| Output Current | IOUT | 500 | mA/ch | 3 | |||
| Clamp Diode Forward Current | IF | 500 | mA | 3 | |||
| Power Dissipation (TSSOP-16) | PD | 0.62 | W | TSSOP-16 | 3 | ||
| Junction Temperature | TJ | 125 | °C | 3 | |||
| Operating Temperature | TOPR | -40 | 85 | °C | 3 | ||
| Storage Temperature | TSTG | -55 | 150 | °C | 3 | ||
| Output Sustaining Voltage | VOUT | 0 | 50 | V | 3 | ||
| Output Current (TSSOP-16) | IOUT | 0 | 150 | mA/ch | TSSOP-16; Duty = 10%; TPW = 25ms; 7 circuits; TA = 85°C; TJ = 120°C | 3 | |
| Output Current (TSSOP-16) | IOUT | 0 | 30 | mA/ch | TSSOP-16; 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 | VR | 50 | V | 3 | |||
| Clamp Diode Forward Current | IF | 350 | mA | 3 | |||
| Power Dissipation (TSSOP-16) | PD | 0.32 | W | TSSOP-16; TA = 85°C; on PCB (JEDEC 2s2p) | 3 | ||
| Output Leakage Current | ILEAK | 50 | μA | VCE = 50 V, TA = 25°C | 4 | ||
| Output Leakage Current | 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 | IOUT = 350 mA, VCE = 2 V | 4 | ||
| Input Voltage (Output On) | VIN(ON) | 2 | V | IOUT = 200 mA, VCE = 2 V | 4 | ||
| Clamp Diode Reverse Current | IR | 50 | μA | VR = 50 V, TA = 25°C | 4 | ||
| Clamp Diode Reverse Current | 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 |
CAD (KiCad official)
- Symbol:
ULN2003G-P16-R - Footprint:
Package_SO:TSSOP-16_4.4x5mm_P0.65mm - 3D model: TSSOP-16 (KiCad packages3D, STEP)
- 3D model files:
uln2003g-p16-r-etched.step/uln2003g-p16-r-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);uln2003g-p16-r.step/uln2003g-p16-r.glbare 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 2026-10-15, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-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).