component
ULN2003D
Public Made by Adomby adom
Mixic Darlington Transistor Arrays, SOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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ULN2003D
Mixic · Darlington Transistor Arrays · SOP-16
ULN2003D from Mixic, in a SOP-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 | Base input of Darlington channel 1, TTL/CMOS compatible with a 2.7kΩ series base resistor and a 4kΩ pull-down, and VIN(ON) of 2.8V to 12V to turn the output on. |
| 2 | 2B | input | Base input of Darlington channel 2, TTL/CMOS compatible with a 2.7kΩ series base resistor and a 4kΩ pull-down, and VIN(ON) of 2.8V to 12V to turn the output on. |
| 3 | 3B | input | Base input of Darlington channel 3, TTL/CMOS compatible with a 2.7kΩ series base resistor and a 4kΩ pull-down, and VIN(ON) of 2.8V to 12V to turn the output on. |
| 4 | 4B | input | Base input of Darlington channel 4, TTL/CMOS compatible with a 2.7kΩ series base resistor and a 4kΩ pull-down, and VIN(ON) of 2.8V to 12V to turn the output on. |
| 5 | 5B | input | Base input of Darlington channel 5, TTL/CMOS compatible with a 2.7kΩ series base resistor and a 4kΩ pull-down, and VIN(ON) of 2.8V to 12V to turn the output on. |
| 6 | 6B | input | Base input of Darlington channel 6, TTL/CMOS compatible with a 2.7kΩ series base resistor and a 4kΩ pull-down, and VIN(ON) of 2.8V to 12V to turn the output on. |
| 7 | 7B | input | Base input of Darlington channel 7, TTL/CMOS compatible with a 2.7kΩ series base resistor and a 4kΩ pull-down, and VIN(ON) of 2.8V to 12V to turn the output on. |
| 8 | E | power_in | Common emitter ground for all seven Darlington channels, which must be connected to system ground. |
| 9 | COM | passive | Common cathode of the internal output clamp diodes for inductive loads, rated up to VCOM 50V, intended to be tied to the load supply. |
| 10 | 7C | output | Open-collector Darlington output of channel 7, rated VCE 50V maximum with 500mA peak collector current per channel. |
| 11 | 6C | output | Open-collector Darlington output of channel 6, rated VCE 50V maximum with 500mA peak collector current per channel. |
| 12 | 5C | output | Open-collector Darlington output of channel 5, rated VCE 50V maximum with 500mA peak collector current per channel. |
| 13 | 4C | output | Open-collector Darlington output of channel 4, rated VCE 50V maximum with 500mA peak collector current per channel. |
| 14 | 3C | output | Open-collector Darlington output of channel 3, rated VCE 50V maximum with 500mA peak collector current per channel. |
| 15 | 2C | output | Open-collector Darlington output of channel 2, rated VCE 50V maximum with 500mA peak collector current per channel. |
| 16 | 1C | output | Open-collector Darlington output of channel 1, rated VCE 50V maximum with 500mA peak collector current per channel. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Mixic |
| Package | SOP-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 (pins 10-16) | VCE | -0.5 | 50 | V | 3 | ||
| COM pin voltage (pin 9) | VCOM | 50 | V | 3 | |||
| Input voltage (pins 1-7) | VI | -0.5 | 30 | V | 3 | ||
| Collector peak current | ICP | 500 | mA/ch | 3 | |||
| Output clamp diode forward peak current | IOK | 500 | mA | 3 | |||
| Total emitter peak current | IET | -2.5 | A | 3 | |||
| Maximum operating junction temperature | TJ | 150 | °C | 3 | |||
| Soldering temperature | 260 | °C | 10s | 3 | |||
| Storage temperature range | Tstg | -60 | 150 | °C | 3 | ||
| Collector-emitter voltage | VCE | 0 | 50 | V | 3 | ||
| Output current, SOP16 package | IOUT | 0 | 233 | mA/ch | Duty=10% | 3 | |
| Output current, SOP16 package | IOUT | 0 | 70 | mA/ch | Duty=50% | 3 | |
| Control signal input voltage | VIN | 0 | 12 | V | 3 | ||
| Input voltage (output on) | VIN(ON) | 2.8 | 12 | V | Iout=400mA hFE=800 | 3 | |
| Input voltage (output off) | VIN(OFF) | 0 | 0.7 | V | 3 | ||
| Clamp diode reverse voltage | VR | 50 | V | 3 | |||
| Clamp diode forward peak current | IF | 350 | mA | 3 | |||
| Operating temperature range, SOP16 package | TA | -40 | 85 | °C | 3 | ||
| Power dissipation, SOP16 package | PD | 0.325 | W | TA= 85℃ | 3 | ||
| Input voltage (output on) at IC=200mA | VI(ON) | 1.9 | 2.4 | V | VCE=2V IC=200mA | 4 | |
| Input voltage (output on) at IC=250mA | VI(ON) | 2 | 2.7 | V | VCE=2V IC=250mA | 4 | |
| Input voltage (output on) at IC=300mA | VI(ON) | 2.1 | 3 | V | VCE=2V IC=300mA | 4 | |
| Collector cut-off leakage current | ICEX | 50 | μA | VCE=50V II=0 | 4 | ||
| Collector cut-off leakage current | ICEX | 100 | μA | VCE=50V TA=85℃ VI=0V | 4 | ||
| Clamp diode reverse current | IR | 100 | μA | VR=50V | 4 | ||
| Clamp diode forward voltage | VF | 1.4 | 1.6 | V | IF=350mA | 4 | |
| Propagation delay low-to-high | tPLH | 0.15 | 1 | μs | VL=12V RL=45Ω | 4 | |
| Propagation delay high-to-low | tPHL | 0.15 | 1 | μs | VL=12V RL=45Ω | 4 | |
| Input capacitance | CIN | 15 | pF | 4 | |||
| Collector-emitter saturation voltage at IC=30mA | VCE(SAT) | 0.78 | V | VI=2.4V IC=30mA | 4 | ||
| Collector-emitter saturation voltage at IC=60mA | VCE(SAT) | 0.82 | V | VI=2.4V IC=60mA | 4 | ||
| Collector-emitter saturation voltage at IC=120mA | VCE(SAT) | 0.9 | V | VI=2.4V IC=120mA | 4 | ||
| Collector-emitter saturation voltage at IC=240mA | VCE(SAT) | 1.1 | V | VI=2.4V IC=240mA | 4 | ||
| Collector-emitter saturation voltage at IC=350mA | VCE(SAT) | 1.25 | V | VI=2.4V IC=350mA | 4 | ||
| Input current at VIN=12V | II | 7 | mA | VIN=12V IC=60mA | 4 | ||
| Input current at VIN=6V | II | 3.2 | mA | VIN=6V | 4 | ||
| Input current at VIN=4.5V | II | 2.3 | mA | VIN=4.5V | 4 | ||
| Input current at VIN=2.4V | II | 0.95 | mA | VIN=2.4V | 4 |
CAD (KiCad official)
- Symbol:
ULN2003D - Footprint:
Package_SO:SOIC-16_3.9x9.9mm_P1.27mm - 3D model: SOP-16 (KiCad packages3D, STEP)
- 3D model files:
uln2003d-etched.step/uln2003d-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);uln2003d.step/uln2003d.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Mixic datasheet (8 pp, sha256
825571591eeca560, retrieved 2026-10-16, 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, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-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).
# ULN2003D
**Mixic** · Darlington Transistor Arrays · SOP-16
ULN2003D from Mixic, in a SOP-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 | Base input of Darlington channel 1, TTL/CMOS compatible with a 2.7kΩ series base resistor and a 4kΩ pull-down, and VIN(ON) of 2.8V to 12V to turn the output on. |
| 2 | 2B | input | Base input of Darlington channel 2, TTL/CMOS compatible with a 2.7kΩ series base resistor and a 4kΩ pull-down, and VIN(ON) of 2.8V to 12V to turn the output on. |
| 3 | 3B | input | Base input of Darlington channel 3, TTL/CMOS compatible with a 2.7kΩ series base resistor and a 4kΩ pull-down, and VIN(ON) of 2.8V to 12V to turn the output on. |
| 4 | 4B | input | Base input of Darlington channel 4, TTL/CMOS compatible with a 2.7kΩ series base resistor and a 4kΩ pull-down, and VIN(ON) of 2.8V to 12V to turn the output on. |
| 5 | 5B | input | Base input of Darlington channel 5, TTL/CMOS compatible with a 2.7kΩ series base resistor and a 4kΩ pull-down, and VIN(ON) of 2.8V to 12V to turn the output on. |
| 6 | 6B | input | Base input of Darlington channel 6, TTL/CMOS compatible with a 2.7kΩ series base resistor and a 4kΩ pull-down, and VIN(ON) of 2.8V to 12V to turn the output on. |
| 7 | 7B | input | Base input of Darlington channel 7, TTL/CMOS compatible with a 2.7kΩ series base resistor and a 4kΩ pull-down, and VIN(ON) of 2.8V to 12V to turn the output on. |
| 8 | E | power_in | Common emitter ground for all seven Darlington channels, which must be connected to system ground. |
| 9 | COM | passive | Common cathode of the internal output clamp diodes for inductive loads, rated up to VCOM 50V, intended to be tied to the load supply. |
| 10 | 7C | output | Open-collector Darlington output of channel 7, rated VCE 50V maximum with 500mA peak collector current per channel. |
| 11 | 6C | output | Open-collector Darlington output of channel 6, rated VCE 50V maximum with 500mA peak collector current per channel. |
| 12 | 5C | output | Open-collector Darlington output of channel 5, rated VCE 50V maximum with 500mA peak collector current per channel. |
| 13 | 4C | output | Open-collector Darlington output of channel 4, rated VCE 50V maximum with 500mA peak collector current per channel. |
| 14 | 3C | output | Open-collector Darlington output of channel 3, rated VCE 50V maximum with 500mA peak collector current per channel. |
| 15 | 2C | output | Open-collector Darlington output of channel 2, rated VCE 50V maximum with 500mA peak collector current per channel. |
| 16 | 1C | output | Open-collector Darlington output of channel 1, rated VCE 50V maximum with 500mA peak collector current per channel. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Mixic |
| Package | SOP-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 (pins 10-16) | VCE | -0.5 | | 50 | V | | 3 |
| COM pin voltage (pin 9) | VCOM | | | 50 | V | | 3 |
| Input voltage (pins 1-7) | VI | -0.5 | | 30 | V | | 3 |
| Collector peak current | ICP | | | 500 | mA/ch | | 3 |
| Output clamp diode forward peak current | IOK | | | 500 | mA | | 3 |
| Total emitter peak current | IET | | | -2.5 | A | | 3 |
| Maximum operating junction temperature | TJ | | | 150 | °C | | 3 |
| Soldering temperature | | | | 260 | °C | 10s | 3 |
| Storage temperature range | Tstg | -60 | | 150 | °C | | 3 |
| Collector-emitter voltage | VCE | 0 | | 50 | V | | 3 |
| Output current, SOP16 package | IOUT | 0 | | 233 | mA/ch | Duty=10% | 3 |
| Output current, SOP16 package | IOUT | 0 | | 70 | mA/ch | Duty=50% | 3 |
| Control signal input voltage | VIN | 0 | | 12 | V | | 3 |
| Input voltage (output on) | VIN(ON) | 2.8 | | 12 | V | Iout=400mA hFE=800 | 3 |
| Input voltage (output off) | VIN(OFF) | 0 | | 0.7 | V | | 3 |
| Clamp diode reverse voltage | VR | | | 50 | V | | 3 |
| Clamp diode forward peak current | IF | | | 350 | mA | | 3 |
| Operating temperature range, SOP16 package | TA | -40 | | 85 | °C | | 3 |
| Power dissipation, SOP16 package | PD | | | 0.325 | W | TA= 85℃ | 3 |
| Input voltage (output on) at IC=200mA | VI(ON) | | 1.9 | 2.4 | V | VCE=2V IC=200mA | 4 |
| Input voltage (output on) at IC=250mA | VI(ON) | | 2 | 2.7 | V | VCE=2V IC=250mA | 4 |
| Input voltage (output on) at IC=300mA | VI(ON) | | 2.1 | 3 | V | VCE=2V IC=300mA | 4 |
| Collector cut-off leakage current | ICEX | | | 50 | μA | VCE=50V II=0 | 4 |
| Collector cut-off leakage current | ICEX | | | 100 | μA | VCE=50V TA=85℃ VI=0V | 4 |
| Clamp diode reverse current | IR | | | 100 | μA | VR=50V | 4 |
| Clamp diode forward voltage | VF | | 1.4 | 1.6 | V | IF=350mA | 4 |
| Propagation delay low-to-high | tPLH | | 0.15 | 1 | μs | VL=12V RL=45Ω | 4 |
| Propagation delay high-to-low | tPHL | | 0.15 | 1 | μs | VL=12V RL=45Ω | 4 |
| Input capacitance | CIN | | 15 | | pF | | 4 |
| Collector-emitter saturation voltage at IC=30mA | VCE(SAT) | | 0.78 | | V | VI=2.4V IC=30mA | 4 |
| Collector-emitter saturation voltage at IC=60mA | VCE(SAT) | | 0.82 | | V | VI=2.4V IC=60mA | 4 |
| Collector-emitter saturation voltage at IC=120mA | VCE(SAT) | | 0.9 | | V | VI=2.4V IC=120mA | 4 |
| Collector-emitter saturation voltage at IC=240mA | VCE(SAT) | | 1.1 | | V | VI=2.4V IC=240mA | 4 |
| Collector-emitter saturation voltage at IC=350mA | VCE(SAT) | | 1.25 | | V | VI=2.4V IC=350mA | 4 |
| Input current at VIN=12V | II | | 7 | | mA | VIN=12V IC=60mA | 4 |
| Input current at VIN=6V | II | | 3.2 | | mA | VIN=6V | 4 |
| Input current at VIN=4.5V | II | | 2.3 | | mA | VIN=4.5V | 4 |
| Input current at VIN=2.4V | II | | 0.95 | | mA | VIN=2.4V | 4 |
## CAD (KiCad official)
- Symbol: `ULN2003D`
- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`
- 3D model: SOP-16 (KiCad packages3D, STEP)
- 3D model files: `uln2003d-etched.step` / `uln2003d-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `uln2003d.step` / `uln2003d.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Mixic datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590903004352622592) (8 pp, sha256 `825571591eeca560`, retrieved 2026-10-16, 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-haiku-5-5` (text), consensus `claude-sonnet-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](docs/uln2003d-datasheet.pdf)