component
1.5KE250CA
Public Made by Adomby adom
DOWO 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.
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1.5KE250CA
DOWO · ESD And Surge Protection (TVS/ESD) · DO-201
1.5KE250CA 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 | 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 | DOWO |
| 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 (1.5KE250A / 1.5KE250CA, 5% tolerance) | VBR | 237.5 | V | @IT = 1 mA | 4 | ||
| Breakdown voltage (1.5KE250A / 1.5KE250CA, 5% tolerance) | VBR | 262.5 | V | @IT = 1 mA | 4 | ||
| Maximum reverse leakage current | IR | 1 | uA | @VRWM | 4 | ||
| Maximum clamping voltage | VC | 344 | V | @IPP = 4.36 A | 4 | ||
| Maximum reverse surge current | IPP | 4.36 | A | 4 | |||
| Working peak reverse voltage | VRWM | 214 | V | 4 | |||
| Peak pulse power dissipation | PPP | 1500 | W | 10/1000 µs waveform, non-repetitive (note 1) | 1 | ||
| Power dissipation on infinite heatsink | PD | 6.5 | W | TL = 75 °C | 1 | ||
| Operating junction and storage temperature range | TJ, TSTG | -55 | 150 | °C | 1 |
CAD (KiCad official)
- Symbol:
1.5KE250CA - 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 2026-10-14, 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).
# 1.5KE250CA
**DOWO** · ESD And Surge Protection (TVS/ESD) · DO-201
1.5KE250CA 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 | 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 | DOWO |
| 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 (1.5KE250A / 1.5KE250CA, 5% tolerance) | VBR | 237.5 | | | V | @IT = 1 mA | 4 |
| Breakdown voltage (1.5KE250A / 1.5KE250CA, 5% tolerance) | VBR | | | 262.5 | V | @IT = 1 mA | 4 |
| Maximum reverse leakage current | IR | | | 1 | uA | @VRWM | 4 |
| Maximum clamping voltage | VC | | | 344 | V | @IPP = 4.36 A | 4 |
| Maximum reverse surge current | IPP | | | 4.36 | A | | 4 |
| Working peak reverse voltage | VRWM | | | 214 | V | | 4 |
| Peak pulse power dissipation | PPP | | | 1500 | W | 10/1000 µs waveform, non-repetitive (note 1) | 1 |
| Power dissipation on infinite heatsink | PD | | | 6.5 | W | TL = 75 °C | 1 |
| Operating junction and storage temperature range | TJ, TSTG | -55 | | 150 | °C | | 1 |
## CAD (KiCad official)
- Symbol: `1.5KE250CA`
- 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](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588894712757018624) (4 pp, sha256 `332c6c4e0f3105ca`, retrieved 2026-10-14, tier: lcsc)
- **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/1-5ke250ca-datasheet.pdf)