# ESD5V0K5

**Yint** · ESD And Surge Protection (TVS/ESD) · SOT-363

ESD5V0K5 from Yint, in a SOT-363. 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 | I/O1 | passive | ESD-protected I/O line 1 (unidirectional, signal above ground); protects up to ±15 kV air / ±8 kV contact per IEC 61000-4-2. |
| 2 | GND | power_in | Ground reference for the TVS array; keep the ESD return path to ground as short as possible. |
| 3 | I/O4 | passive | ESD-protected I/O line 4 (unidirectional, signal above ground); VRWM 5 V max, clamping 9.5 V max at IPP=1A. |
| 4 | I/O5 | passive | ESD-protected I/O line 5 (unidirectional, signal above ground); VRWM 5 V max, clamping 12.5 V max at IPP=5A. |
| 5 | I/O3 | passive | ESD-protected I/O line 3 (unidirectional, signal above ground); junction capacitance 35 pF typ, 50 pF max to GND. |
| 6 | I/O2 | passive | ESD-protected I/O line 2 (unidirectional, signal above ground); reverse leakage 5 µA max at VRWM. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Yint |
| Package | SOT-363 |
| Category | Circuit Protection |
| Pins | 6 |

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| ESD voltage, IEC61000-4-2 Air |  | -15 |  | 15 | KV | IEC61000-4-2 (ESD) Air | 1 |
| ESD voltage, IEC61000-4-2 Contact |  | -8 |  | 8 | KV | IEC61000-4-2 (ESD) Contact | 1 |
| ESD voltage per Human Body Model |  |  |  | 16 | KV | Per Human Body Model | 1 |
| ESD voltage per Machine Model |  |  |  | 400 | V | Per Machine Model | 1 |
| Peak Power Dissipation | Ppk |  |  | 100 | W | 8 X 20 ms @TA ≤ 25°C (Note 1) | 1 |
| Steady State Power, 1 Diode | PD |  |  | 200 | mW | 1 Diode (Note 2) | 1 |
| Thermal Resistance Junction-to-Ambient | RΘJA |  |  | 625 | ℃/W |  | 1 |
| Lead Solder Temperature, Maximum | TL |  |  | 260 | ℃ | 10 Second Duration | 1 |
| Junction and Storage Temperature Range | Tj, Tstg | -55 |  | 150 | ℃ |  | 1 |
| Reverse Stand-off Voltage | VRWM |  |  | 5 | V |  | 2 |
| Reverse Breakdown Voltage | VBR | 6 |  | 7.2 | V | It = 1mA | 2 |
| Reverse Leakage Current | IR |  |  | 5 | μA | VR = VRWM | 2 |
| Clamping Voltage | VC |  |  | 9.5 | V | IPP=1A, tP = 8/20μs | 2 |
| Clamping Voltage | VC |  |  | 12.5 | V | IPP=5A, tP = 8/20μs | 2 |
| Junction Capacitance, between I/O pins and GND | CJ |  | 35 | 50 | pF | VR=0V, f = 1MHz | 2 |

## CAD (KiCad official)

- Symbol: `ESD5V0K5`
- Footprint: `Package_TO_SOT_SMD:SOT-363_SC-70-6`
- 3D model: SOT-363 (KiCad packages3D, STEP)
- 3D model files: `esd5v0k5-etched.step` / `esd5v0k5-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `esd5v0k5.step` / `esd5v0k5.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Yint datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590208095658930176) (4 pp, sha256 `19edf478742df200`, retrieved 2026-10-18, 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/esd5v0k5-datasheet.pdf)