# 1.5KE30CA-E3

**Vishay Intertech** · ESD And Surge Protection (TVS/ESD) · DO-27

1.5KE30CA-E3 from Vishay Intertech, in a DO-27. 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 | A1 | passive | First lead of the bidirectional (CA) TVS diode; electrical characteristics apply in both directions, there is no polarity marking and the lead is 1.0 in (25.4 mm) min. long. |
| 2 | A2 | passive | Second lead of the bidirectional (CA) TVS diode; interchangeable with the other lead, with no cathode band on bidirectional types and a 1.0 in (25.4 mm) min. lead length. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Vishay Intertech |
| Package | DO-27 |
| Category | Circuit Protection |
| Pins | 2 |

## CAD (KiCad official)

- Symbol: `1.5KE30CA-E3`
- Footprint: `Diode_THT:D_DO-27_P15.24mm_Horizontal`
- 3D model: DO-27 (KiCad packages3D, STEP)

## Provenance

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

- **Datasheet:** [Vishay Intertech datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588942973257568256) (6 pp, sha256 `2fa6759f40b05cc2`, retrieved 2026-10-13, 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/1-5ke30ca-e3-datasheet.pdf)