# ZSR3-1608C-06-Z4

**Chau Light** · LED Indication - Discrete · 0603

ZSR3-1608C-06-Z4 from Chau Light, 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/zsr3-1608c-06-z4/render/states.json"}

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | K | passive | Cathode (-) of the red LED; the package drawing marks pin 2 as -, and the part is rated for VR=5 V maximum reverse voltage. |
| 2 | A | passive | Anode (+) of the red LED; the package drawing marks pin 1 as +, and the part is rated for IF=30 mA continuous, 80 mA pulsed, and VF 1.8-2.4 V at IF=20 mA. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Chau Light |
| 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 |
|---|---|---|---|---|---|---|---|
| Luminous Intensity | Iv | 140 |  | 270 | mcd | IF=20mA | 4 |
| Dominant Wavelength | λd | 620 |  | 630 | nm | IF=20mA | 4 |
| Forward Voltage | VF | 1.8 |  | 2.4 | V | IF=20mA | 4 |
| Reverse Current | IR |  |  | 5 | μA | VR=5V | 4 |
| Power Dissipation | Pd |  |  | 65 | mW | Ta=25℃ | 2 |
| Reverse Voltage | VR |  |  | 5 | V |  | 2 |
| Forward Current | IF |  |  | 30 | mA | Ta=25℃ | 2 |
| Maximum Surge Current | IFP |  |  | 80 | mA | Pulse width ≤100μs, duty cycle 1% | 2 |
| Operating Temperature | Topr | -30 |  | 85 | ℃ |  | 2 |
| Storage Temperature | Tstg | -40 |  | 90 | ℃ |  | 2 |
| Electrostatic Discharge | ESD |  |  | 2000 | V | HBM | 2 |
| Lead Soldering Temperature (reflow) | Tsol |  |  | 255 | ℃ | Reflow soldering, 10s | 2 |
| Lead Soldering Temperature (hand soldering) | Tsol |  |  | 300 | ℃ | Hand soldering, 3s | 2 |

## CAD (KiCad official)

- Symbol: `ZSR3-1608C-06-Z4`
- Footprint: `LED_SMD:LED_0603_1608Metric`
- 3D model: 0603 (KiCad packages3D, STEP)
- 3D model files: `zsr3-1608c-06-z4-etched.step` / `zsr3-1608c-06-z4-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `zsr3-1608c-06-z4.step` / `zsr3-1608c-06-z4.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Chau Light datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8755863007522512896) (8 pp, sha256 `1a9aa27dabcf6efd`, 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/zsr3-1608c-06-z4-datasheet.pdf)