component
1.5KE550CA
Public Made by Adomby adom
DOWO ESD And Surge Protection (TVS/ESD), DO-201. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
Generated by kicad-footprint-generator · KiCad file format 20260206
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1.5KE550CA
DOWO · ESD And Surge Protection (TVS/ESD) · DO-201
1.5KE550CA from DOWO, 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 (axial lead, no polarity band on the CA suffix part); 1500 W peak pulse power with 10/1000 µs waveform, VRWM 470.3 V and VBR 522.5 to 577.5 V for the 1.5KE550CA. |
| 2 | A2 | passive | Bidirectional TVS terminal 2 (axial lead, interchangeable with the other terminal); maximum clamping voltage 759.0 V at IPP 1.98 A for the 1.5KE550CA. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | DOWO |
| Package | DO-201 |
| Category | Circuit Protection |
| Pins | 2 |
CAD (KiCad official)
- Symbol:
1.5KE550CA - 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: DOWO datasheet (4 pp, sha256
332c6c4e0f3105ca, retrieved 2026-10-13, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-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).