component
1.5KE22CA
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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1.5KE22CA
DOWO · ESD And Surge Protection (TVS/ESD) · DO-201
1.5KE22CA 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 (A/5% device, bidirectional CA) | VBR | 20.9 | 23.1 | V | @IT = 1 mA; row 1.5KE22A / 1.5KE22CA | 3 | |
| Breakdown voltage tolerance (suffix A = 5% device) | -5 | 5 | % | Note 1: suffix 'A' denotes 5% tolerance device; applies to 1.5KE22CA | 3 | ||
| Maximum reverse leakage | IR | 1 | uA | @VRWM = 18.8 V | 3 | ||
| Maximum clamping voltage | VC | 30.6 | V | @IPP = 49.02 A, 10/1000 us waveform | 3 | ||
| Working peak reverse voltage | VRWM | 18.8 | V | Working peak reverse voltage, row 1.5KE22A / 1.5KE22CA | 3 | ||
| Maximum reverse surge current | IPP | 49.02 | A | 10/1000 us waveform, non-repetitive (Table A row for 1.5KE22A / 1.5KE22CA) | 3 | ||
| Peak power dissipation | PPP | 1500 | W | 10/1000 us waveform, TA = 25 C | 1 | ||
| Power dissipation on infinite heatsink | PD | 6.5 | W | Infinite heatsink at TL = 75 C | 1 | ||
| Peak forward surge current | IFSM | 200 | A | 8.3 ms single half sine-wave, unidirectional only | 1 | ||
| Maximum instantaneous forward voltage | VF | 3.5 | V | At 100 A, unidirectional only; 3.5 V applies to VBR < 200 V (5.0 V printed for VBR > 201 V, not this part) | 1 | ||
| Operating junction and storage temperature range | TJ, TSTG | -55 | 150 | C | Operating junction and storage temperature range | 1 |
CAD (KiCad official)
- Symbol:
1.5KE22CA - 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, 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).
# 1.5KE22CA
**DOWO** · ESD And Surge Protection (TVS/ESD) · DO-201
1.5KE22CA 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 (A/5% device, bidirectional CA) | VBR | 20.9 | | 23.1 | V | @IT = 1 mA; row 1.5KE22A / 1.5KE22CA | 3 |
| Breakdown voltage tolerance (suffix A = 5% device) | | -5 | | 5 | % | Note 1: suffix 'A' denotes 5% tolerance device; applies to 1.5KE22CA | 3 |
| Maximum reverse leakage | IR | | | 1 | uA | @VRWM = 18.8 V | 3 |
| Maximum clamping voltage | VC | | | 30.6 | V | @IPP = 49.02 A, 10/1000 us waveform | 3 |
| Working peak reverse voltage | VRWM | | | 18.8 | V | Working peak reverse voltage, row 1.5KE22A / 1.5KE22CA | 3 |
| Maximum reverse surge current | IPP | | | 49.02 | A | 10/1000 us waveform, non-repetitive (Table A row for 1.5KE22A / 1.5KE22CA) | 3 |
| Peak power dissipation | PPP | | | 1500 | W | 10/1000 us waveform, TA = 25 C | 1 |
| Power dissipation on infinite heatsink | PD | | | 6.5 | W | Infinite heatsink at TL = 75 C | 1 |
| Peak forward surge current | IFSM | | | 200 | A | 8.3 ms single half sine-wave, unidirectional only | 1 |
| Maximum instantaneous forward voltage | VF | | | 3.5 | V | At 100 A, unidirectional only; 3.5 V applies to VBR < 200 V (5.0 V printed for VBR > 201 V, not this part) | 1 |
| Operating junction and storage temperature range | TJ, TSTG | -55 | | 150 | C | Operating junction and storage temperature range | 1 |
## CAD (KiCad official)
- Symbol: `1.5KE22CA`
- 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/8588891150371999744) (4 pp, sha256 `332c6c4e0f3105ca`, retrieved 2026-10-13, 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/1-5ke22ca-datasheet.pdf)