# L1SS355T1G

**LRC** · Switching Diodes · SOD-323

L1SS355T1G from LRC, in a SOD-323. 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 terminal of the switching diode, with the device rated for a DC reverse voltage (VR) of 80 V and a peak reverse voltage (VRM) of 90 V. |
| 2 | ANODE | passive | Anode terminal of the switching diode, with the device rated for a peak forward current (IFM) of 225 mA and a mean rectifying current (IO) of 100 mA. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | LRC |
| Package | SOD-323 |
| 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 |
|---|---|---|---|---|---|---|---|
| Forward voltage | VF |  |  | 1.2 | V | IF=100mA | 1 |
| Reverse current | IR |  |  | 0.1 | µA | VR=80V | 1 |
| Capacitance between terminals | CT |  |  | 3 | pF | VR=0.5V, f=1MHz | 1 |
| Reverse recovery time | trr |  |  | 4 | ns | VR=6V, IF=10mA, RL=100Ω | 1 |
| Peak reverse voltage | VRM |  |  | 90 | V | Ta=25°C | 1 |
| DC reverse voltage | VR |  |  | 80 | V | Ta=25°C | 1 |
| Peak forward current | IFM |  |  | 225 | mA | Ta=25°C | 1 |
| Mean rectifying current | IO |  |  | 100 | mA | Ta=25°C | 1 |
| Surge current (1s) | Isurge |  |  | 500 | mA | Ta=25°C, 1 s | 1 |
| Junction temperature | Tj |  |  | 125 | °C | Ta=25°C | 1 |
| Storage temperature | Tstg | -55 |  | 125 | °C | Ta=25°C | 1 |

## CAD (KiCad official)

- Symbol: `L1SS355T1G`
- Footprint: `Diode_SMD:D_SOD-323`
- 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files: `l1ss355t1g-etched.step` / `l1ss355t1g-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `l1ss355t1g.step` / `l1ss355t1g.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [LRC datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586172639644176384) (3 pp, sha256 `b57b438f0acb82ea`, retrieved 2026-10-23, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-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/l1ss355t1g-datasheet.pdf)