# PESD3V3T1BLSAYL

**Nexperia** · ESD And Surge Protection (TVS/ESD) · SOD-882

PESD3V3T1BLSAYL from Nexperia, in a SOD-882. 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 | K1 | passive | Cathode 1 of the bidirectional ESD protection diode, identified by the marking band on the package. |
| 2 | K2 | passive | Cathode 2 of the bidirectional ESD protection diode, which protects one bidirectional signal line. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Nexperia |
| Package | SOD-882 |
| 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 |
|---|---|---|---|---|---|---|---|
| reverse standoff voltage | VRWM |  |  | 3.3 | V | Tamb = 25 °C | 4 |
| breakdown voltage | VBR | 4.7 | 5.5 | 8.7 | V | IR = 5 mA; Tamb = 25 °C | 4 |
| reverse leakage current | IRM |  | 0.1 | 50 | nA | VRWM = 3.3 V; Tamb = 25 °C | 4 |
| diode capacitance | Cd |  | 20 | 25 | pF | f = 1 MHz; VR = 0 V; Tamb = 25 °C | 4 |
| clamping voltage | VCL |  | 9.3 | 11 | V | IPPM = 10 A; tp = 8/20 µs; Tamb = 25 °C | 4 |
| rated peak pulse current | IPPM |  |  | 10.5 | A | tp = 8/20 µs | 3 |
| junction temperature | Tj |  |  | 150 | °C |  | 3 |
| ambient temperature | Tamb | -55 |  | 150 | °C |  | 3 |
| storage temperature | Tstg | -65 |  | 150 | °C |  | 3 |
| electrostatic discharge voltage | VESD |  |  | 30 | kV | IEC 61000-4-2 (contact discharge) | 3 |

## CAD (KiCad official)

- Symbol: `PESD3V3T1BLSAYL`
- Footprint: `Diode_SMD:D_SOD-882`
- 3D model: SOD-882 (KiCad packages3D, STEP)
- 3D model files: `pesd3v3t1blsayl-etched.step` / `pesd3v3t1blsayl-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `pesd3v3t1blsayl.step` / `pesd3v3t1blsayl.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Nexperia datasheet](https://assets.nexperia.com/documents/data-sheet/PESD3V3T1BLSAYL.pdf) (11 pp, sha256 `5ca0f415fb64f296`, retrieved 2026-10-26, tier: manufacturer)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `off` (skipped (clean text read)), 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/pesd3v3t1blsayl-datasheet.pdf)