# RB520S30T5G

**onsemi** · Schottky Diodes · SOD-523

RB520S30T5G from onsemi, in a SOD-523. 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, identified by the polarity band on the package, for a 30 V Schottky barrier diode with a maximum DC forward current of 200 mA. |
| 2 | ANODE | passive | Anode terminal of the Schottky barrier diode, rated for a maximum DC forward current of 200 mA and a reverse voltage of 30 Vdc. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| Package | SOD-523 |
| 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 |
|---|---|---|---|---|---|---|---|
| Reverse Voltage | VR |  |  | 30 | Vdc |  | 1 |
| Forward Current DC | IF |  |  | 200 | mA |  | 1 |
| Non-Repetitive Peak Forward Current | IFSM |  |  | 600 | mA | tp < 10 msec | 1 |
| Repetitive Peak Forward Current | IFRM |  |  | 300 | mA | Pulse Wave = 1 sec, Duty Cycle = 66% | 1 |
| Junction and Storage Temperature Range | TJ, Tstg | -55 |  | 150 | °C |  | 1 |
| Total Device Dissipation FR-5 Board | PD |  |  | 200 | mW | TA = 25°C, FR-5 Board (Note 1: FR-5 Minimum Pad) | 1 |
| Thermal Resistance, Junction-to-Ambient | RJA |  |  | 635 | °C/W |  | 1 |
| Reverse Leakage | IR |  |  | 1 | A | VR = 10 V | 1 |
| Forward Voltage | VF |  |  | 0.6 | Vdc | IF = 200 mA | 1 |

## CAD (KiCad official)

- Symbol: `RB520S30T5G`
- Footprint: `Diode_SMD:D_SOD-523`
- 3D model: SOD-523 (KiCad packages3D, STEP)
- 3D model files: `rb520s30t5g-etched.step` / `rb520s30t5g-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `rb520s30t5g.step` / `rb520s30t5g.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [onsemi datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586188930537934848) (4 pp, sha256 `0df29635936eccae`, retrieved 2026-10-15, 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/rb520s30t5g-datasheet.pdf)