# LS Q976-NR-1-0-20-R18

**OSRAM Opto Semicon** · LED Indication - Discrete · 0603

LS Q976-NR-1-0-20-R18 from OSRAM Opto Semicon, in a 0603. 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.


::adom-states{src="/adom/ls-q976-nr-1-0-20-r18/render/states.json"}

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | K | passive | Cathode terminal, marked as the 'Cathode side' with a cathode mark on the package; reverse voltage max. 12 V. |
| 2 | A | passive | Anode terminal, the side opposite the cathode mark; forward current max. 25 mA, typical VF 2.00 V at IF = 20 mA. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | OSRAM Opto Semicon |
| Package | 0603 |
| Category | Optoelectronics |
| Pins | 2 |

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Operating Temperature | Top | -30 |  | 85 | °C |  | 4 |
| Storage Temperature | Tstg | -40 |  | 85 | °C |  | 4 |
| Junction Temperature | Tj |  |  | 95 | °C |  | 4 |
| Forward current | IF |  |  | 25 | mA | TA = 25 °C | 4 |
| Surge Current | IFS |  |  | 100 | mA | t ≤ 10 µs; D = 0.1; TA = 25 °C | 4 |
| Reverse voltage | VR |  |  | 12 | V | TA = 25 °C | 4 |
| ESD withstand voltage | VESD |  |  | 2 | kV | acc. to ANSI/ESDA/JEDEC JS-001 (HBM, Class 2) | 4 |
| Luminous Intensity (type LS Q976-NR-1, brightness range N to R) | Iv | 28 |  | 180 | mcd | IF = 20 mA | 3 |
| Dominant Wavelength | λdom | 627 | 633 | 639 | nm | IF = 20 mA; TA = 25 °C | 5 |
| Forward Voltage | VF |  | 2 | 2.5 | V | IF = 20 mA | 5 |
| Reverse current | IR |  | 10 | 0.01 | µA | VR = 12 V | 5 |
| Real thermal resistance junction/ambient | RthJA |  |  | 900 | K / W | real; PC board FR 4, pad size ≥ 5 mm² per pad | 5 |
| Real thermal resistance junction/solderpoint | RthJS |  |  | 510 | K / W | real | 5 |

## CAD (KiCad official)

- Symbol: `LS Q976-NR-1-0-20-R18`
- Footprint: `LED_SMD:LED_0603_1608Metric`
- 3D model: 0603 (KiCad packages3D, STEP)
- 3D model files: `ls-q976-nr-1-0-20-r18-etched.step` / `ls-q976-nr-1-0-20-r18-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ls-q976-nr-1-0-20-r18.step` / `ls-q976-nr-1-0-20-r18.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [OSRAM Opto Semicon datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590196692860903424) (22 pp, sha256 `a53d84c74351ee23`, retrieved 2026-10-17, 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](docs/ls-q976-nr-1-0-20-r18-datasheet.pdf)