component
1.5KE18A
Public Made by Adomby adom
Liown ESD And Surge Protection (TVS/ESD), DO-201. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
Generated by kicad-footprint-generator · KiCad file format 20260206
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1.5KE18A
Liown · ESD And Surge Protection (TVS/ESD) · DO-201
1.5KE18A 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 | 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 | 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 | ||
| Maximum instantaneous forward voltage (unidirectional only) | VF | 3.5 | V | at 100A for Unidirectional Only; single die parts (Note 3) | 1 | ||
| Peak forward surge current | IFSM | 200 | A | 8.3ms single half sine-wave superimposed on rated load, (JEDEC Method) (Note3, Fig.6) | 1 | ||
| Operating junction and storage temperature range | TJ、TSTG | -55 | 150 | ℃ | 1 | ||
| Breakdown voltage (unidirectional 1.5KE18A) | VB | 17.1 | 18.9 | V | @IT = 1 mA (IT(mA) column) | 2 | |
| Maximum clamping voltage (unidirectional 1.5KE18A) | VC | 25.2 | V | @IPP = 60.3 A | 2 | ||
| Reverse leakage current (unidirectional 1.5KE18A) | IR | 1 | μA | @VR = 15.30 V | 2 | ||
| Typical thermal resistance junction to lead | RθJL | 20 | ℃/W | Typical, junction to lead | 1 | ||
| Typical thermal resistance junction to ambient | RθJA | 75 | ℃/W | Typical, junction to ambient | 1 |
CAD (KiCad official)
- Symbol:
1.5KE18A - 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 (6 pp, sha256
b3bcee92a1eabbdd, retrieved 2026-10-14, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarycathode-band convention(convention), consensusoff(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).