# 1N5819FL

**KEXIN** · Schottky Barrier Diodes (SBD) · SOD-123FL

1N5819FL from KEXIN, in a SOD-123FL. 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.

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | Cathode | passive | Cathode of the Schottky diode; 1N5819FL is rated VRRM 40 V, VF 0.6 V at IF=1 A. |
| 2 | Anode | passive | Anode of the Schottky diode; average forward rectified current is 1 A per the ratings table. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | KEXIN |
| Package | SOD-123FL |
| Category | Diodes |
| 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 |
|---|---|---|---|---|---|---|---|
| Peak Repetitive Reverse Voltage | VRRM |  |  | 40 | V | Ta = 25°C | 1 |
| RMS Voltage | VRMS |  |  | 28 | V | Ta = 25°C | 1 |
| DC Blocking Voltage | VDC |  |  | 40 | V | Ta = 25°C | 1 |
| Average Forward Rectified Current | IFAV |  |  | 1 | A | TL=90°C | 1 |
| Non-Repetitive Peak Forward Surge Current | IFSM |  |  | 25 | A | 8.3ms | 1 |
| Junction Temperature | TJ |  |  | 125 | °C |  | 1 |
| Storage Temperature range | Tstg | -55 |  | 125 | °C |  | 1 |
| Forward Voltage | VF |  |  | 0.6 | V | IF=1A | 1 |
| Forward Voltage | VF |  |  | 0.9 | V | IF=3.1A | 1 |
| Reverse Voltage Leakage Current | IR |  |  | 1 | mA | Ta = 25°C | 1 |
| Reverse Voltage Leakage Current | IR |  |  | 10 | mA | Ta = 100°C | 1 |
| Typical Junction Capacitance | CJ |  | 110 |  | pF |  | 1 |

## CAD (KiCad official)

- Symbol: `1N5819FL`
- Footprint: `Diode_SMD:D_SOD-123F`
- 3D model: SOD-123FL (KiCad packages3D, STEP)
- 3D model files: `1n5819fl-etched.step` / `1n5819fl-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `1n5819fl.step` / `1n5819fl.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [KEXIN datasheet](docs/1n5819fl-datasheet.pdf) (3 pp, sha256 `dd17c18a1e8aef96`, retrieved 2026-10-22, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text), consensus `claude-sonnet-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/1n5819fl-datasheet.pdf)