# RLSD32A151V

**RUILON Shenzhen Ruilongyuan Elec** · ESD And Surge Protection (TVS/ESD) · SOD-323

RLSD32A151V from RUILON Shenzhen Ruilongyuan Elec, 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 | K | passive | Cathode of the single unidirectional TVS diode (bar side in the circuit diagram), connected to the protected I/O or power line, which has a 15V reverse stand-off voltage and 300W peak pulse power (8/20µs). |
| 2 | A | passive | Anode of the single unidirectional TVS diode (triangle side in the circuit diagram), the return terminal of the protected line. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | RUILON Shenzhen Ruilongyuan Elec |
| Package | SOD-323 |
| Category | Circuit Protection |
| 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 Pulse Power (tp=8/20μs) | PPK |  |  | 300 | W | tp=8/20μs | 1 |
| ESD Voltage (Contact) | VESD | -8 |  | 8 | kV | Contact; printed as ±8 kV | 1 |
| ESD Voltage (Air) | VESD | -15 |  | 15 | kV | Air; printed as ±15 kV | 1 |
| Lead Soldering Temperature | TL |  |  | 260 | °C | 10 sec. | 1 |
| Operating Temperature | TJ | -55 |  | 150 | °C |  | 1 |
| Storage Temperature | TSTG | -55 |  | 150 | °C |  | 1 |
| Minimum Breakdown Voltage | VBR | 16.7 |  |  | V | @1mA (VBR @1mA) | 2 |
| Peak Pulse Voltage VC@1A (max.) | VC |  |  | 24 | V | @8/20μS, VC@1A (max.) | 2 |
| Peak Pulse Voltage VC@IPP (max.) | VC |  |  | 30 | V | @8/20μS, @IPP (12 A) | 2 |
| Maximum Reverse Peak Pulse Current | IPP |  |  | 12 | A |  | 2 |
| Maximum Reverse Leakage Current | IR |  |  | 1 | μA | @ VRWM | 2 |
| Reverse Stand-Off Voltage | VRWM |  | 15 |  | V |  | 2 |
| Typical Capacitance | CJ |  | 100 |  | pF | DC=0V, @1 MHz | 2 |

## CAD (KiCad official)

- Symbol: `RLSD32A151V`
- Footprint: `Diode_SMD:D_SOD-323`
- 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files: `rlsd32a151v-etched.step` / `rlsd32a151v-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `rlsd32a151v.step` / `rlsd32a151v.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [RUILON Shenzhen Ruilongyuan Elec datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586172470747942912) (3 pp, sha256 `2712e3fbf82aff47`, retrieved 2026-10-31, 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/rlsd32a151v-datasheet.pdf)