# 1.5KE36CA

**Liown** · ESD And Surge Protection (TVS/ESD) · DO-201

1.5KE36CA from Liown, 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 | A1 | passive | Bidirectional TVS terminal (1.5KE36CA) with 30.80V reverse stand-off, 34.20V to 37.80V breakdown at 1mA, and 49.9V maximum clamping at 30.5A peak pulse current; polarity-independent with pin 2. |
| 2 | A2 | passive | Bidirectional TVS terminal (1.5KE36CA) with 30.80V reverse stand-off, 34.20V to 37.80V breakdown at 1mA, and 49.9V maximum clamping at 30.5A peak pulse current; polarity-independent with pin 1. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Liown |
| 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 |
|---|---|---|---|---|---|---|---|
| Peak pulse power dissipation | PPPM |  |  | 1500 | W | 10/1000μs waveform (Note1, Note2, Fig.1) | 1 |
| Steady state power dissipation | PM(AV) |  |  | 6.5 | W | TL=75℃ (Fig.5) | 1 |
| Peak forward surge current | IFSM |  |  | 200 | A | 8.3ms single half sine-wave superimposed on rated load, (JEDEC Method) | 1 |
| Operating junction and storage temperature range | TJ, TSTG | -55 |  | 150 | ℃ |  | 1 |
| Typical thermal resistance junction to lead | RθJL |  | 20 |  | ℃/W |  | 1 |
| Typical thermal resistance junction to ambient | RθJA |  | 75 |  | ℃/W |  | 1 |
| Reverse stand-off voltage | VR |  | 30.8 |  | V | TA=25℃ | 2 |
| Breakdown voltage | VB | 34.2 |  | 37.8 | V | @IT=1mA, TA=25℃ | 2 |
| Maximum clamping voltage | VC |  |  | 49.9 | V | @IPP=30.5A, TA=25℃ | 2 |
| Peak pulse current | IPP |  | 30.5 |  | A | at VC 49.9V, 10/1000μs | 2 |
| Reverse leakage | IR |  |  | 1 | μA | @VR, TA=25℃ | 2 |
| Test current | IT |  | 1 |  | mA | TA=25℃ | 2 |

## CAD (KiCad official)

- Symbol: `1.5KE36CA`
- 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:** [Liown datasheet](docs/1-5ke36ca-datasheet.pdf) (6 pp, sha256 `b3bcee92a1eabbdd`, retrieved 2026-10-22, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-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/1-5ke36ca-datasheet.pdf)