# PESD15VS1UB-ES

**ElecSuper** · ESD And Surge Protection (TVS/ESD) · SOD-523

PESD15VS1UB-ES from ElecSuper, 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 | IO | bidirectional | Connect to the IO line to be protected; the part is a unidirectional TVS rated for ±30 kV IEC 61000-4-2 contact and air discharge with a maximum reverse stand-off voltage VRWM of 15.0 V. |
| 2 | GND | power_in | Connect to GND, the reference return for the protected line. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | ElecSuper |
| Package | SOD-523 |
| 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 |
|---|---|---|---|---|---|---|---|
| Rated reverse stand-off voltage | VRWM |  |  | 15 | V | At TA = 25℃ | 3 |
| Minimum breakdown voltage | VBR | 16.5 |  |  | V | @IT = 1mA; At TA = 25℃ | 3 |
| Maximum peak pulse current | IPP |  |  | 6 | A | tp=8/20us; At TA = 25℃ | 3 |
| Reverse leakage current | IR |  |  | 1 | uA | @VRWM; At TA = 25℃ | 3 |
| Line capacitance (max) | CO |  |  | 80 | pF | VIO=0V, VP-P=30mV, f=1MHz; At TA = 25℃ | 3 |
| Peak pulse power | Ppk |  |  | 200 | W | tp=8/20us @25℃ | 2 |
| ESD (IEC61000-4-2 air discharge) | VESD |  |  | 30 | kV | @25℃; printed as ±30 kV, minimum cell blank | 2 |
| ESD (IEC61000-4-2 contact discharge) | VESD |  |  | 30 | kV | @25℃; printed as ±30 kV, minimum cell blank | 2 |
| Junction temperature | TJ |  |  | 150 | ℃ |  | 2 |
| Operating temperature | TOP | -40 |  | 125 | ℃ | Over operating free-air temperature range | 2 |
| Storage temperature | TSTG | -55 |  | 150 | ℃ |  | 2 |
| Lead temperature | TL |  |  | 260 | ℃ |  | 2 |
| Typical clamping voltage | VCL |  | 20 |  | V | @I=1A; At TA = 25℃ | 3 |
| Typical clamping voltage | VCL |  | 26 |  | V | @I=IPP; At TA = 25℃ | 3 |
| Typical line capacitance | CO |  | 50 |  | pF | VIO=0V, VP-P=30mV, f=1MHz; At TA = 25℃ | 3 |

## CAD (KiCad official)

- Symbol: `PESD15VS1UB-ES`
- Footprint: `Diode_SMD:D_SOD-523`
- 3D model: SOD-523 (KiCad packages3D, STEP)
- 3D model files: `pesd15vs1ub-es-etched.step` / `pesd15vs1ub-es-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `pesd15vs1ub-es.step` / `pesd15vs1ub-es.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [ElecSuper datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756416939067482112) (9 pp, sha256 `554ff0b678f8047b`, 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/pesd15vs1ub-es-datasheet.pdf)