# KP-1608F3C

**Kingbright** · LED Indication - Discrete · 0603

KP-1608F3C from Kingbright, 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/kp-1608f3c/render/states.json"}

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | K | passive | Cathode of the GaAs infrared emitting diode; reverse voltage max 5 V, reverse current max 10 uA at VR=5 V. |
| 2 | A | passive | Anode of the GaAs infrared emitting diode (the symbol's triangle points from pin 1 to pin 2); DC forward current max 50 mA, VF typ 1.2 V / max 1.6 V at IF=20 mA. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Kingbright |
| 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 |  | 1.2 | 1.6 | V | IF=20mA | 2 |
| Power dissipation | PD |  |  | 80 | mW |  | 2 |
| DC Forward Current | IF |  |  | 50 | mA |  | 2 |
| Peak Forward Current | iFS |  |  | 1.2 | A | 1/100 Duty Cycle, 10μs Pulse Width | 2 |
| Reverse Voltage | VR |  |  | 5 | V |  | 2 |
| Operating Temperature | TA | -40 |  | 85 | °C |  | 2 |
| Storage Temperature | TSTG | -40 |  | 85 | °C |  | 2 |
| Radiant intensity (Po) at 20mA | Po | 1.2 | 3 |  | mW/sr | @ 20mA | 2 |
| Radiant intensity / luminous flux measurement tolerance |  | -15 |  | 15 | % | Radiant intensity / luminous flux | 2 |
| Forward Voltage measurement tolerance | VF | -0.1 |  | 0.1 | V | Note 1: Forward Voltage | 2 |
| Viewing angle | 2θ1/2 |  | 120 |  | ° |  | 2 |
| Reverse Current | IR |  | 10 |  | uA | VR = 5V | 2 |
| Capacitance | C |  | 90 |  | pF | VF=0V;f=1MHz | 2 |
| Peak Spectral Wavelength | λP |  | 940 |  | nm | IF=20mA | 2 |
| Spectral Bandwidth | Δλ1/2 |  | 50 |  | nm | IF=20mA | 2 |

## CAD (KiCad official)

- Symbol: `KP-1608F3C`
- Footprint: `LED_SMD:LED_0603_1608Metric`
- 3D model: 0603 (KiCad packages3D, STEP)
- 3D model files: `kp-1608f3c-etched.step` / `kp-1608f3c-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `kp-1608f3c.step` / `kp-1608f3c.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Kingbright datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589041781703262208) (5 pp, sha256 `2b8b619f0620ecb4`, retrieved 2026-10-18, 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/kp-1608f3c-datasheet.pdf)