# DY-S2012508SURC-T10-3T-03

**TONYU** · LED Indication - Discrete · 0805

DY-S2012508SURC-T10-3T-03 from TONYU, in a 0805. 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/dy-s2012508surc-t10-3t-03/render/states.json"}

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | K | passive | Cathode (-) terminal of the red LED; absolute maximum reverse voltage 5 V (reverse current max 5 uA at VR=5 V). |
| 2 | A | passive | Anode (+) terminal of the red LED, marked by the polarity triangle side on the package drawing; forward voltage 1.8-2.3 V at IF=10 mA, absolute maximum forward current 20 mA. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | TONYU |
| Package | 0805 |
| 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 | 1.8 |  | 2.3 | V | IF=10mA | 4 |
| Reverse current | IR |  |  | 5 | μA | VR=5V | 4 |
| Luminous intensity | IV | 95 |  | 180 | Mcd | IF=10mA | 4 |
| Peak wavelength | λp | 615 |  | 630 | nm | IF=10mA | 4 |
| Forward voltage tolerance | VF | -0.1 |  | 0.1 | V | Printed note: forward voltage tolerance range ±0.1v | 4 |
| Luminous intensity tolerance | IV | -10 |  | 10 | % | Printed note: luminous intensity tolerance range ±10% | 4 |
| Wavelength tolerance |  | -1 |  | 1 | nm | Printed note: wavelength tolerance range ±1.0nm | 4 |
| Forward current | IF |  |  | 20 | mA |  | 6 |
| Peak forward current | IFp |  |  | 100 | mA | F=1KHZ, duty cycle 1/10; pulse width ≤100μs, duty ≤1% | 6 |
| Reverse voltage | VR |  |  | 5 | V |  | 6 |
| Power dissipation | Pd |  |  | 75 | mW |  | 6 |
| Operation temperature | Tamb | -40 |  | 85 | ℃ |  | 6 |
| Storage temperature | Tstg | -40 |  | 80 | ℃ |  | 6 |
| Soldering temperature (reflow) | Tsol |  |  | 260 | ℃ | Reflow soldering: 260 ℃ for 10 sec | 6 |
| Soldering temperature (hand) |  |  |  | 300 | ℃ | Hand soldering: 300 ℃ for 3 sec | 6 |
| Recommended reverse voltage on LED | VR |  |  | 10 | V | Recommended value of reverse voltage applied to LED; exceeding it may damage LED | 10 |
| Recommended maximum reflow temperature |  |  |  | 210 | ℃ | Reflow soldering; no more than two reflow passes | 9 |
| Recommended hand soldering iron temperature |  |  |  | 360 | ℃ | Hand soldering iron tip temperature; each terminal ≤3 s, one time only | 9 |
| Recommended storage temperature (unopened) |  | 5 |  | 30 | ℃ | Unopened package storage | 11 |
| Recommended storage relative humidity (unopened) |  |  |  | 60 | %RH | Unopened package storage, relative humidity <60% | 11 |

## CAD (KiCad official)

- Symbol: `DY-S2012508SURC-T10-3T-03`
- Footprint: `LED_SMD:LED_0805_2012Metric`
- 3D model: 0805 (KiCad packages3D, STEP)
- 3D model files: `dy-s2012508surc-t10-3t-03-etched.step` / `dy-s2012508surc-t10-3t-03-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `dy-s2012508surc-t10-3t-03.step` / `dy-s2012508surc-t10-3t-03.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [TONYU datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603182769040478208) (11 pp, sha256 `bc679e8c4e8ae674`, retrieved 2026-10-17, 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-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/dy-s2012508surc-t10-3t-03-datasheet.pdf)