# SM05C-ES

**ElecSuper** · ESD And Surge Protection (TVS/ESD) · SOT-23

SM05C-ES from ElecSuper, in a SOT-23. 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 | Connects to an I/O line; the datasheet states all pins are rated to withstand ±30kV ESD per IEC 61000-4-2 (contact and air discharge). |
| 2 | IO | bidirectional | Connects to an I/O line; the datasheet states all pins are rated to withstand ±30kV ESD per IEC 61000-4-2 (contact and air discharge). |
| 3 | GND | power_in | Connects to ground. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | ElecSuper |
| Package | SOT-23 |
| Category | Circuit Protection |
| Pins | 3 |

## 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 |  |  | 5 | V | TA = 25℃ | 3 |
| Minimum breakdown voltage | VBR | 6.5 |  |  | V | IT = 1mA; TA = 25℃ | 3 |
| Maximum peak pulse current (tp=8/20us) | IPP |  |  | 30 | A | TA = 25℃ | 3 |
| Reverse leakage current | IR |  |  | 1 | uA | @VRWM; TA = 25℃ | 3 |
| Peak pulse power (tp=8/20us) | Ppk |  |  | 600 | W | tp=8/20us @25℃ | 2 |
| ESD (IEC61000-4-2 air discharge) | VESD | -30 |  | 30 | kV | IEC61000-4-2 air discharge @25℃ | 2 |
| ESD (IEC61000-4-2 contact discharge) | VESD | -30 |  | 30 | kV | IEC61000-4-2 contact discharge @25℃ | 2 |
| Junction temperature | TJ |  |  | 150 | ℃ |  | 2 |
| Operating temperature | TOP | -55 |  | 150 | ℃ | Over operating free-air temperature range | 2 |
| Storage temperature | TSTG | -55 |  | 150 | ℃ |  | 2 |
| Lead temperature | TL |  |  | 260 | ℃ |  | 2 |
| Typical clamping voltage | VCL |  | 9.5 |  | V | I = 1A; TA = 25℃ | 3 |
| Clamping voltage at IPP | VCL |  | 18 |  | V | I = IPP; TA = 25℃ | 3 |
| Typical line capacitance | CO |  | 110 |  | pF | VIO=0V, VP-P=30mV, f=1MHz; TA = 25℃ | 3 |

## CAD (KiCad official)

- Symbol: `SM05C-ES`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `sm05c-es-etched.step` / `sm05c-es-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sm05c-es.step` / `sm05c-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/8608749695636557824) (7 pp, sha256 `37f45466b37a5c24`, retrieved 2026-10-19, 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/sm05c-es-datasheet.pdf)