# LB Q39E-L2OO-35-1

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

LB Q39E-L2OO-35-1 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/lb-q39e-l2oo-35-1/render/states.json"}

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | K | passive | Cathode terminal, identified by the cathode mark on the top and the cathode side on the bottom view; the reverse voltage limit is 5 V max. |
| 2 | A | passive | Anode terminal, opposite the cathode mark; forward current is 15 mA max. (5 mA test condition) with a typical forward voltage of 2.85 V. |

## 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 |
|---|---|---|---|---|---|---|---|
| Forward Voltage | VF | 2.6 | 2.85 | 3.1 | V | IF = 5 mA | 5 |
| Dominant Wavelength | λdom | 464 | 470 | 476 | nm | IF = 5 mA; TA = 25 °C | 5 |
| Reverse current (as printed; typ and max inconsistent) | IR |  | 10 | 0.01 | µA | VR = 5 V | 5 |
| Real thermal resistance junction/ambient | RthJA real |  |  | 650 | K / W | Footnotes 5, 6: statistic values (6σ); mounted on PC board FR 4, pad size ≥ 5 mm² per pad | 5 |
| Real thermal resistance junction/solderpoint | RthJS real |  |  | 370 | K / W | Footnote 5: statistic values (6σ) | 5 |
| Operating Temperature | Top | -30 |  | 85 | °C |  | 4 |
| Storage Temperature | Tstg | -40 |  | 85 | °C |  | 4 |
| Junction Temperature | Tj |  |  | 95 | °C |  | 4 |
| Forward current | IF |  |  | 15 | mA | TA = 25 °C | 4 |
| Surge Current | IFS |  |  | 100 | mA | t ≤ 10 µs; D = 0.005; TA = 25 °C | 4 |
| Reverse voltage | VR |  |  | 5 | V | TA = 25 °C; footnote 2 (reverse operation to be avoided) | 4 |
| ESD withstand voltage | VESD |  |  | 8 | kV | acc. to ANSI/ESDA/JEDEC JS-001 (HBM, Class 3B) | 4 |

## CAD (KiCad official)

- Symbol: `LB Q39E-L2OO-35-1`
- Footprint: `LED_SMD:LED_0603_1608Metric`
- 3D model: 0603 (KiCad packages3D, STEP)
- 3D model files: `lb-q39e-l2oo-35-1-etched.step` / `lb-q39e-l2oo-35-1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lb-q39e-l2oo-35-1.step` / `lb-q39e-l2oo-35-1.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/8603009212511367168) (23 pp, sha256 `656b3c17f87e7e97`, retrieved 2026-10-20, 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/lb-q39e-l2oo-35-1-datasheet.pdf)