# 1.5KE200CA

**STMicroelectronics** · TVS · DO-201

1.5KE200CA from STMicroelectronics, in a DO-201. 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 | K | passive | Cathode: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint. |
| 2 | A | passive | Anode. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | DO-201 |
| 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 |
|---|---|---|---|---|---|---|---|
| Breakdown voltage (VBR) | VBR | 190 | 200 | 210 | V | at IBR = 1 mA, Tamb = 25 °C | 3 |
| Clamping voltage VCL (10/1000 µs) | VCL |  |  | 274 | V | 10/1000 µs, IPP = 5.5 A | 3 |
| Peak pulse current IPP (10/1000 µs) | IPP |  |  | 5.5 | A | 10/1000 µs | 3 |
| Dynamic resistance RD (10/1000 µs) | RD |  |  | 11.6 | Ω | 10/1000 µs | 3 |
| Clamping voltage VCL (8/20 µs) | VCL |  |  | 353 | V | 8/20 µs, IPP = 28 A | 3 |
| Peak pulse current IPP (8/20 µs) | IPP |  |  | 28 | A | 8/20 µs | 3 |
| Dynamic resistance RD (8/20 µs) | RD |  |  | 5.11 | Ω | 8/20 µs | 3 |
| Reverse leakage current (max at VRM) | IRM |  |  | 1 | µA | at VRM, 25 °C | 3 |
| Stand-off voltage | VRM |  | 171 |  | V | Tamb = 25 °C | 3 |
| Temperature coefficient of VBR/VCL | αT |  | 10.8 |  | 10-4/°C |  | 3 |
| Peak pulse voltage VPP (IEC 61000-4-2, contact discharge) | VPP |  |  | 30 | kV | IEC 61000-4-2, C = 150 pF, R = 330 Ω, contact discharge | 2 |
| Peak pulse voltage VPP (IEC 61000-4-2, air discharge) | VPP |  |  | 30 | kV | IEC 61000-4-2, C = 150 pF, R = 330 Ω, air discharge | 2 |
| Peak pulse power dissipation | PPP |  |  | 1500 | W | 10/1000 µs, Tj initial = Tamb | 2 |
| Non repetitive surge peak forward current (unidirectional types) | IFSM |  |  | 200 | A | tp = 10 ms, Tj initial = Tamb | 2 |
| Storage temperature range | Tstg | -65 |  | 175 | °C |  | 2 |
| Operating junction temperature range | Tj | -55 |  | 175 | °C |  | 2 |
| Maximum lead temperature for soldering | TL |  |  | 260 | °C | during 10 s at 5 mm from case | 2 |

## Materials and finish

As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).

| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts |  | tin | • Lead finishing: matte tin plating Complies with the following standards | 1 |

## CAD (KiCad official)

- Symbol: `1.5KE200CA`
- Footprint: `Diode_THT:D_DO-201AD_P15.24mm_Horizontal`
- 3D model: DO-201 (KiCad packages3D, STEP)

## Provenance

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

- **Datasheet:** [STMicroelectronics datasheet](https://www.st.com/resource/en/datasheet/1.5ke200ca.pdf) (12 pp, sha256 `894f87090f0f132f`, retrieved 2026-10-31, tier: manufacturer)
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `cathode-band convention` (convention), consensus `off` (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/1-5ke200ca-datasheet.pdf)