# ULN2002D

**UMW** · Darlington Transistor Arrays · SOP-14

ULN2002D from UMW, in a SOP-14. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | NC | unconnected | No connect; unused pin |
| 2 | B1 | input | Channel 1 input; TTL/CMOS compatible, 0-12V operating range with internal 4K pull-down resistor to ground |
| 3 | B2 | input | Channel 2 input; TTL/CMOS compatible, 0-12V operating range with internal 4K pull-down resistor to ground |
| 4 | B3 | input | Channel 3 input; TTL/CMOS compatible, 0-12V operating range with internal 4K pull-down resistor to ground |
| 5 | B4 | input | Channel 4 input; TTL/CMOS compatible, 0-12V operating range with internal 4K pull-down resistor to ground |
| 6 | B5 | input | Channel 5 input; TTL/CMOS compatible, 0-12V operating range with internal 4K pull-down resistor to ground |
| 7 | E | power_in | Emitter/ground terminal; common reference for all five Darlington stages |
| 8 | COM | passive | Clamp diode common terminal; provides reference point for internal protection diodes, typically connected to positive load supply |
| 9 | C5 | output | Channel 5 collector output; maximum 500mA peak current, 50V maximum voltage rating |
| 10 | C4 | output | Channel 4 collector output; maximum 500mA peak current, 50V maximum voltage rating |
| 11 | C3 | output | Channel 3 collector output; maximum 500mA peak current, 50V maximum voltage rating |
| 12 | C2 | output | Channel 2 collector output; maximum 500mA peak current, 50V maximum voltage rating |
| 13 | C1 | output | Channel 1 collector output; maximum 500mA peak current, 50V maximum voltage rating |
| 14 | NC | unconnected | No connect; unused pin |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | UMW |
| Package | SOP-14 |
| Category | Transistors/Thyristors |
| Pins | 14 |

## 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 | pins 13-9 | 3 |
| COM terminal voltage | VCOM |  |  | 50 | V | pin 8 | 3 |
| Input voltage | VI |  |  | 30 | V | pins 2-6 | 3 |
| Single collector peak current | ICP |  |  | 500 | mA |  | 3 |
| Output clamp diode forward peak current | IOK |  |  | 500 | mA |  | 3 |
| Maximum peak current of total emitter | IET |  |  | -2 | A |  | 3 |
| Maximum operating junction temperature | TJ |  |  | 150 | ℃ |  | 3 |
| Welding temperature |  |  |  | 260 | ℃ | 10s | 3 |
| Storage temperature range | Tstg | -65 |  | 150 | ℃ |  | 3 |
| Dissipative power consumption | PD |  |  | 0.8 | W | TA=+25℃ | 3 |
| Dissipative power consumption | PD |  |  | 0.32 | W | TA=+85℃ | 3 |
| Packaging thermal impedance | θJA |  |  | 125 | ℃/W |  | 3 |
| Collector emitter voltage (sustaining) | VCE(SUS) | 0 |  | 50 | V |  | 3 |
| Continuous output current | IOUT |  |  | 90 | mA/ch | TA=+25℃ | 3 |
| Continuous output current | IOUT |  |  | 60 | mA/ch | TA=+85℃ | 3 |
| Input voltage | VIN | 0 |  | 12 | V |  | 3 |
| Input voltage (output turned on) | VIN(ON) | 2.8 |  | 12 | V | Iout=400mA | 3 |
| Input voltage (output shutdown) | VIN(OFF) | 0 |  | 0.7 | V |  | 3 |
| Clamp diode reverse voltage | VR |  |  | 50 | V |  | 3 |
| Clamp diode forward current | IF |  |  | 350 | mA |  | 3 |
| Working temperature range | TA | -40 |  | 85 | ℃ |  | 3 |
| Working temperature (junction) | TJ | -40 |  | 125 | ℃ |  | 3 |
| On-state input voltage | VI(ON) | 1.74 |  | 2.1 | V | VCE=1.5V (input not current limited), TA=0℃, IC=30mA | 4 |
| On-state input voltage | VI(ON) | 1.79 |  | 2.15 | V | VCE=1.5V (input not current limited), TA=0℃, IC=60mA | 4 |
| On-state input voltage | VI(ON) | 1.85 |  | 2.2 | V | VCE=1.5V (input not current limited), TA=0℃, IC=120mA | 4 |
| On-state input voltage | VI(ON) | 1.96 |  | 2.35 | V | VCE=1.5V (input not current limited), TA=0℃, IC=240mA | 4 |
| On-state input voltage | VI(ON) | 2.09 |  | 2.5 | V | VCE=1.5V (input not current limited), TA=0℃, IC=350mA | 4 |
| On-state input voltage | VI(ON) | 1.65 |  | 2 | V | VCE=1.5V (input not current limited), TA=25℃, IC=30mA | 4 |
| On-state input voltage | VI(ON) | 1.69 |  | 2 | V | VCE=1.5V (input not current limited), TA=25℃, IC=60mA | 4 |
| On-state input voltage | VI(ON) | 1.73 |  | 2.1 | V | VCE=1.5V (input not current limited), TA=25℃, IC=120mA | 4 |
| On-state input voltage | VI(ON) | 1.82 |  | 2.2 | V | VCE=1.5V (input not current limited), TA=25℃, IC=240mA | 4 |
| On-state input voltage | VI(ON) | 1.93 |  | 2.3 | V | VCE=1.5V (input not current limited), TA=25℃, IC=350mA | 4 |
| Collector-emitter saturation voltage | VCE(SAT) |  |  | 0.81 | V | VI=2.4V (II>800uA), TA=0℃, IC=30mA | 4 |
| Collector-emitter saturation voltage | VCE(SAT) |  |  | 0.86 | V | VI=2.4V (II>800uA), TA=0℃, IC=60mA | 4 |
| Collector-emitter saturation voltage | VCE(SAT) |  |  | 0.94 | V | VI=2.4V (II>800uA), TA=0℃, IC=120mA | 4 |
| Collector-emitter saturation voltage | VCE(SAT) |  |  | 1.12 | V | VI=2.4V (II>800uA), TA=0℃, IC=240mA | 4 |
| Collector-emitter saturation voltage | VCE(SAT) |  |  | 1.3 | V | VI=2.4V (II>800uA), TA=0℃, IC=350mA | 4 |
| Collector-emitter saturation voltage | VCE(SAT) |  |  | 0.76 | V | VI=2.4V (II>800uA), TA=25℃, IC=30mA | 4 |
| Collector-emitter saturation voltage | VCE(SAT) |  |  | 0.88 | V | VI=2.4V (II>800uA), TA=25℃, IC=120mA | 4 |
| Collector-emitter saturation voltage | VCE(SAT) |  |  | 1.03 | V | VI=2.4V (II>800uA), TA=25℃, IC=240mA | 4 |
| Collector-emitter saturation voltage | VCE(SAT) |  |  | 1.2 | V | VI=2.4V (II>800uA), TA=25℃, IC=350mA | 4 |
| Input current | II |  |  | 7.03 | mA | IC=60mA, TA=0℃, VI=12V | 5 |
| Input current | II |  |  | 3.27 | mA | IC=60mA, TA=0℃, VI=6V | 5 |
| Input current | II |  |  | 2.16 | mA | IC=60mA, TA=0℃, VI=4.5V | 5 |
| Input current | II |  |  | 0.88 | mA | IC=60mA, TA=0℃, VI=2.4V | 5 |
| Input current | II |  |  | 6.5 | mA | IC=60mA, TA=25℃, VI=12V | 5 |
| Input current | II |  |  | 3.05 | mA | IC=60mA, TA=25℃, VI=6V | 5 |
| Input current | II |  |  | 2.04 | mA | IC=60mA, TA=25℃, VI=4.5V | 5 |
| Input current | II |  |  | 0.85 | mA | IC=60mA, TA=25℃, VI=2.4V | 5 |
| Clamp diode forward voltage drop | VF | 1.56 |  | 1.6 | V | IF=350mA, TA=0℃ | 5 |
| Clamp diode forward voltage drop | VF | 1.55 |  | 1.6 | V | IF=350mA, TA=25℃ | 5 |
| Collector turn-off leakage current | ICEX |  |  | 50 | μA | VCE=50V, II=0 | 5 |
| Collector withstand voltage | VCE | 50 |  |  | V | VCE=50V, II=0 | 5 |
| Clamp diode reverse withstand voltage | IR | 50 |  |  | V | VR=50V | 5 |
| Clamp diode reverse leakage current | IR |  |  | 50 | μA | VR=50V | 5 |
| Low-to-high transmission delay | tPLH | 0.15 |  | 1 | μs | VL=12V, RL=45Ω | 5 |
| High-to-low transmission delay | tPHL | 0.15 |  | 1 | μs | VL=12V, RL=45Ω | 5 |

## CAD (KiCad official)

- Symbol: `ULN2002D`
- Footprint: `Package_SO:SOIC-14_3.9x8.7mm_P1.27mm`
- 3D model: SOP-14 (KiCad packages3D, STEP)
- 3D model files: `uln2002d-etched.step` / `uln2002d-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `uln2002d.step` / `uln2002d.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [UMW datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590921177735254016) (8 pp, sha256 `2bd3a262070d9fc7`, retrieved 2026-09-21, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-4-6` (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/uln2002d-datasheet.pdf)