# SD0805S040S0R5

**Kyocera AVX** · Schottky Diodes · 0805

SD0805S040S0R5 from Kyocera AVX, 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.

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | K | passive | Cathode terminal, identified by the laser cathode band marking on the package; max reverse voltage VRRM 40 V. |
| 2 | A | passive | Anode terminal, the end opposite the cathode band; max forward current 0.5 A (IF) and 5 A peak surge (IFSM). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Kyocera AVX |
| Package | 0805 |
| 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 |
|---|---|---|---|---|---|---|---|
| Max reverse voltage (VRRM) | VRRM |  |  | 40 | V |  | 4 |
| Max forward current (IF) | IF |  |  | 0.5 | A |  | 4 |
| Max forward surge current (IFSM) | IFSM |  |  | 5 | A |  | 4 |
| Peak reverse current (IRRM) | IRRM |  | 0.015 | 0.1 | mA |  | 4 |
| Forward voltage (Vf) | Vf | 0.4 |  | 0.48 | V | at IF = 0.5 A | 4 |
| Operating temperature |  | -55 |  | 125 | °C |  | 1 |
| Thermal resistance, junction to ambient (Rth JA) | Rth JA |  | 120 |  | ºC/W |  | 4 |
| Thermal resistance, junction to lead (Rth JL) | Rth JL |  | 28 |  | ºC/W |  | 4 |

## CAD (KiCad official)

- Symbol: `SD0805S040S0R5`
- Footprint: `Diode_SMD:D_0805_2012Metric`
- 3D model: 0805 (KiCad packages3D, STEP)
- 3D model files: `sd0805s040s0r5-etched.step` / `sd0805s040s0r5-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sd0805s040s0r5.step` / `sd0805s040s0r5.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Kyocera AVX datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588941186282872833) (7 pp, sha256 `ebc76ac767313817`, 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/sd0805s040s0r5-datasheet.pdf)