# GN2003B

**GN Semic** · Darlington Transistor Arrays · SOP-16

GN2003B from GN Semic, 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, with a series 2.7K base resistor, directly compatible with TTL and 5V CMOS levels. |
| 2 | 2B | input | Base input of Darlington channel 2, with a series 2.7K base resistor, directly compatible with TTL and 5V CMOS levels. |
| 3 | 3B | input | Base input of Darlington channel 3, with a series 2.7K base resistor, directly compatible with TTL and 5V CMOS levels. |
| 4 | 4B | input | Base input of Darlington channel 4, with a series 2.7K base resistor, directly compatible with TTL and 5V CMOS levels. |
| 5 | 5B | input | Base input of Darlington channel 5, with a series 2.7K base resistor, directly compatible with TTL and 5V CMOS levels. |
| 6 | 6B | input | Base input of Darlington channel 6, with a series 2.7K base resistor, directly compatible with TTL and 5V CMOS levels. |
| 7 | 7B | input | Base input of Darlington channel 7, with a series 2.7K base resistor, directly compatible with TTL and 5V CMOS levels. |
| 8 | E | power_in | Common emitter ground pin shared by all seven Darlington channels. |
| 9 | COM | passive | Common terminal of the array as labeled COM in the datasheet; no further function or limit is stated. |
| 10 | 7C | output | Open-collector output of channel 7, rated for sink current up to 500mA and off-state voltage up to 50V. |
| 11 | 6C | output | Open-collector output of channel 6, rated for sink current up to 500mA and off-state voltage up to 50V. |
| 12 | 5C | output | Open-collector output of channel 5, rated for sink current up to 500mA and off-state voltage up to 50V. |
| 13 | 4C | output | Open-collector output of channel 4, rated for sink current up to 500mA and off-state voltage up to 50V. |
| 14 | 3C | output | Open-collector output of channel 3, rated for sink current up to 500mA and off-state voltage up to 50V. |
| 15 | 2C | output | Open-collector output of channel 2, rated for sink current up to 500mA and off-state voltage up to 50V. |
| 16 | 1C | output | Open-collector output of channel 1, rated for sink current up to 500mA and off-state voltage up to 50V. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | GN Semic |
| Package | SOP-16 |
| Category | Transistors |
| 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 |  |  | 500 | mA |  | 3 |
| Storage temperature | TSTG | -55 |  | 150 | °C |  | 3 |
| Operating temperature | TOPR | -40 |  | 85 | °C |  | 3 |
| Junction temperature | TJ | -40 |  | 150 | °C |  | 3 |
| Output leakage current | ICEX |  |  | 20 | uA | TA=25°C, VCE=50V (Fig 1) | 3 |
| Output leakage current | ICEX |  |  | 100 | uA | TA=85°C, VCE=50V (Fig 1) | 3 |
| CE saturation voltage | VCE(sat) |  | 1.3 | 1.6 | V | IOUT=350mA, IIN=500 uA (Fig 3) | 3 |
| CE saturation voltage | VCE(sat) |  | 1.1 | 1.3 | V | IOUT=250mA, IIN=350 uA (Fig 3) | 3 |
| CE saturation voltage | VCE(sat) |  | 0.9 | 1.1 | V | IOUT=100mA, IIN=250 uA (Fig 3) | 3 |
| On-state input current | II(ON) |  | 1.2 | 1.35 | mA | VI=3.85V (Fig 4) | 3 |
| Off-state input current | II(OFF) |  | 50 | 100 | uA | TA=+25°C | 3 |
| Off-state input current | 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 | S | 0.5VI to 0.5 V0 | 3 |
| Turn-off delay time | tML |  |  | 1 | S | 0.5VI to 0.5 V0 | 3 |
| Clamp diode leakage current | IR |  | 5 | 10 | A | VR=50V (Fig 7), TA=+25°C | 3 |
| Clamp diode leakage current | IR |  | 10 | 50 | A | VR=50V (Fig 7), TA=+85°C | 3 |
| Clamp diode forward voltage | VF |  | 1.7 | 2 | V | IF=350mA (Fig 8) | 3 |

## CAD (KiCad official)

- Symbol: `GN2003B`
- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`
- 3D model: SOP-16 (KiCad packages3D, STEP)
- 3D model files: `gn2003b-etched.step` / `gn2003b-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `gn2003b.step` / `gn2003b.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [GN Semic datasheet](docs/gn2003b-datasheet.pdf) (7 pp, sha256 `0560e44d6c471da3`, retrieved 2026-10-27, 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 `off` (skipped (clean text read)), 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/gn2003b-datasheet.pdf)