component
1.5KE350ARL
Public Made by Adomby adom
STMicroelectronics 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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1.5KE350ARL
STMicroelectronics · ESD And Surge Protection (TVS/ESD) · DO-201
1.5KE350ARL from STMicroelectronics, 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 | STMicroelectronics |
| 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 |
|---|---|---|---|---|---|---|---|
| Reverse leakage current (max at VRM) | IRM | 1 | µA | VRM = 299 V, 25 °C | 3 | ||
| Breakdown voltage | VBR | 332 | 350 | 368 | V | IBR = 1 mA | 3 |
| Clamping voltage, 10/1000 µs | VCL | 482 | V | 10/1000 µs waveform | 3 | ||
| Peak pulse current, 10/1000 µs | IPP | 4 | A | 10/1000 µs waveform | 3 | ||
| Dynamic resistance, 10/1000 µs | RD | 28.5 | Ω | 10/1000 µs waveform | 3 | ||
| Clamping voltage, 8/20 µs | VCL | 618 | V | 8/20 µs waveform | 3 | ||
| Peak pulse current, 8/20 µs | IPP | 16 | A | 8/20 µs waveform | 3 | ||
| Dynamic resistance, 8/20 µs | RD | 15.6 | Ω | 8/20 µs waveform | 3 | ||
| Breakdown voltage temperature coefficient | αT | 11 | 10-4/°C | 3 | |||
| Peak pulse voltage, contact discharge | VPP | 30 | kV | IEC 61000-4-2, C = 150 pF, R = 330 Ω, contact discharge | 2 | ||
| Peak pulse voltage, air discharge | VPP | 30 | kV | IEC 61000-4-2, C = 150 pF, R = 330 Ω, air discharge | 2 | ||
| Peak pulse power dissipation | PPP | 1500 | W | 10/1000 µs, Tj initial = Tamb | 2 | ||
| Non-repetitive surge peak forward current (unidirectional types) | IFSM | 200 | A | tp = 10 ms, Tj initial = Tamb | 2 | ||
| Storage temperature range | Tstg | -65 | 175 | °C | 2 | ||
| Operating junction temperature range | Tj | -55 | 175 | °C | 2 | ||
| Maximum lead temperature for soldering | TL | 260 | °C | 10 s at 5 mm from case | 2 |
CAD (KiCad official)
- Symbol:
1.5KE350ARL - 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: STMicroelectronics datasheet (12 pp, sha256
894f87090f0f132f, retrieved 2026-10-15, 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).
# 1.5KE350ARL
**STMicroelectronics** · ESD And Surge Protection (TVS/ESD) · DO-201
1.5KE350ARL from STMicroelectronics, 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 | STMicroelectronics |
| 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 |
|---|---|---|---|---|---|---|---|
| Reverse leakage current (max at VRM) | IRM | | | 1 | µA | VRM = 299 V, 25 °C | 3 |
| Breakdown voltage | VBR | 332 | 350 | 368 | V | IBR = 1 mA | 3 |
| Clamping voltage, 10/1000 µs | VCL | | | 482 | V | 10/1000 µs waveform | 3 |
| Peak pulse current, 10/1000 µs | IPP | | | 4 | A | 10/1000 µs waveform | 3 |
| Dynamic resistance, 10/1000 µs | RD | | | 28.5 | Ω | 10/1000 µs waveform | 3 |
| Clamping voltage, 8/20 µs | VCL | | | 618 | V | 8/20 µs waveform | 3 |
| Peak pulse current, 8/20 µs | IPP | | | 16 | A | 8/20 µs waveform | 3 |
| Dynamic resistance, 8/20 µs | RD | | | 15.6 | Ω | 8/20 µs waveform | 3 |
| Breakdown voltage temperature coefficient | αT | | 11 | | 10-4/°C | | 3 |
| Peak pulse voltage, contact discharge | VPP | | | 30 | kV | IEC 61000-4-2, C = 150 pF, R = 330 Ω, contact discharge | 2 |
| Peak pulse voltage, air discharge | VPP | | | 30 | kV | IEC 61000-4-2, C = 150 pF, R = 330 Ω, air discharge | 2 |
| Peak pulse power dissipation | PPP | | | 1500 | W | 10/1000 µs, Tj initial = Tamb | 2 |
| Non-repetitive surge peak forward current (unidirectional types) | IFSM | | | 200 | A | tp = 10 ms, Tj initial = Tamb | 2 |
| Storage temperature range | Tstg | -65 | | 175 | °C | | 2 |
| Operating junction temperature range | Tj | -55 | | 175 | °C | | 2 |
| Maximum lead temperature for soldering | TL | | | 260 | °C | 10 s at 5 mm from case | 2 |
## CAD (KiCad official)
- Symbol: `1.5KE350ARL`
- 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:** [STMicroelectronics datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590891964470673408) (12 pp, sha256 `894f87090f0f132f`, retrieved 2026-10-15, 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/1-5ke350arl-datasheet.pdf)