# ESD245B1W0201E6327XTSA1

**Infineon Technologies** · ESD And Surge Protection (TVS/ESD) · 0201

ESD245B1W0201E6327XTSA1 from Infineon Technologies, in a 0201. 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 | 1 | passive | One terminal of the bi-directional, symmetric ESD protection diode (marked C/A in Figure 1), connected to the protected line; working voltage VWM = ±5.5 V, line capacitance 5.8 pF at 1 MHz. |
| 2 | 2 | passive | Second terminal of the bi-directional, symmetric ESD protection diode (marked C/A in Figure 1), connected to ground or reference; the device is electrically symmetrical with VWM = ±5.5 V. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Infineon Technologies |
| Package | 0201 |
| 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 |
|---|---|---|---|---|---|---|---|
| Working voltage | VWM | -5.5 |  | 5.5 | V |  | 3 |
| ESD discharge voltage (contact) | VESD | -15 |  | 15 | kV | Discharge network: R = 330 Ω, C = 150 pF | 3 |
| ESD discharge voltage (air) | VESD | -18 |  | 18 | kV |  | 3 |
| Peak pulse power | PPK |  |  | 44 | W | Stress pulse: 8/20 μs current waveform | 3 |
| Peak pulse current | IPP | -5.5 |  | 5.5 | A |  | 3 |
| Operating temperature | Top | -55 |  | 125 | °C |  | 3 |
| Storage temperature | Tstg | -65 |  | 150 | °C |  | 3 |
| Trigger voltage | Vtr | 6 |  |  | V |  | 5 |
| Holding voltage | Vh | 5.8 | 6.7 | 8.1 | V | It = 1 mA | 5 |
| Leakage current | IL |  | 1 | 30 | nA | VWM = 5.5 V | 5 |
| Line capacitance | CL |  | 5.8 |  | pF | V = 0 V, f = 1 MHz | 5 |
| Clamping voltage (TLP) | Vcl |  | 6.6 |  | V | ITLP = 4 A | 5 |
| Clamping voltage (TLP) | Vcl |  | 6.9 |  | V | ITLP = 8 A | 5 |
| Clamping voltage (TLP) | Vcl |  | 7.5 |  | V | ITLP = 16 A | 5 |
| Clamping voltage (TLP) | Vcl |  | 9 |  | V | ITLP = 30 A | 5 |
| Clamping voltage (8/20 µs) | Vcl |  | 6 |  | V | IPP = 1 A | 5 |
| Clamping voltage (8/20 µs) | Vcl |  | 7.5 |  | V | IPP = 5 A | 5 |
| Dynamic resistance | Rdyn |  | 0.1 |  | Ω |  | 5 |

## CAD (KiCad official)

- Symbol: `ESD245B1W0201E6327XTSA1`
- Footprint: `Diode_SMD:D_0201_0603Metric`
- 3D model: 0201, generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 0.3 mm nominal _01005_ height). Neither the vendor nor KiCad ships a 3D model for this package, so the dimensions are nominal, not the manufacturer's CAD (STEP)

## Provenance

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

- **Datasheet:** [Infineon Technologies datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588940157307531264) (14 pp, sha256 `2c7484632ecaf274`, retrieved 2026-10-19, 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/esd245b1w0201e6327xtsa1-datasheet.pdf)