component
PESD2ETH1G
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DOWO ESD And Surge Protection (TVS/ESD), SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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PESD2ETH1G
DOWO · ESD And Surge Protection (TVS/ESD) · SOT-23
PESD2ETH1G from DOWO, in a SOT-23. 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 | I/O1 | passive | Bi-directional protected line 1 (TVS to pin 3), 24V reverse working voltage, 0.95pF typ between I/O pins. |
| 2 | I/O2 | passive | Bi-directional protected line 2 (TVS to pin 3), 24V reverse working voltage, 0.95pF typ between I/O pins. |
| 3 | GND | power_in | Common ground/reference node of the two TVS diodes, I/O to GND capacitance 2.0pF typ at VR=0V, f=1MHz. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | DOWO |
| Package | SOT-23 |
| Category | Circuit Protection |
| Pins | 3 |
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 Working Voltage | VRWM | 24 | V | 2 | |||
| Breakdown Voltage | VBR | 100 | V | IT = 1mA | 2 | ||
| Reverse Leakage Current | IR | 0.1 | μA | VRWM=24V | 2 | ||
| ESD per IEC 61000-4-2 (Air) | VESD | 25 | kV | 2 | |||
| ESD per IEC 61000-4-2 (Contact) | VESD | 25 | kV | 2 | |||
| Junction Temperature | TJ | -55 | 125 | °C | 2 | ||
| Storage Temperature Range | Tstg | -55 | 125 | °C | 2 | ||
| Lead Soldering Temperature | TL | 260 | °C | 10 seconds | 2 | ||
| Junction Capacitance (I/O to GND) | CJ | 2 | 2.5 | pF | I/O to GND; VR=0V; f=1MHz | 2 | |
| Clamping Voltage | VC | 29.5 | V | 2 | |||
| Junction Capacitance (I/O to I/O) | CJ | 0.95 | pF | Between I/O; VR=0V; f=1MHz | 2 | ||
| Clamping Voltage | VC | 32.5 | V | 2 | |||
| ESD Dynamic Resistance | RDYN | 0.25 | Ω | ITLP=4A,tp=0.2/100ns | 2 | ||
| ESD Dynamic Resistance | RDYN | 1.2 | Ω | ITLP=16A,tp=0.2/100ns | 2 |
CAD (KiCad official)
- Symbol:
PESD2ETH1G - Footprint:
Package_TO_SOT_SMD:SOT-23 - 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files:
pesd2eth1g-etched.step/pesd2eth1g-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);pesd2eth1g.step/pesd2eth1g.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: DOWO datasheet (4 pp, sha256
2cb6dbb29fefa504, retrieved 2026-10-17, 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).
# PESD2ETH1G
**DOWO** · ESD And Surge Protection (TVS/ESD) · SOT-23
PESD2ETH1G from DOWO, in a SOT-23. 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 | I/O1 | passive | Bi-directional protected line 1 (TVS to pin 3), 24V reverse working voltage, 0.95pF typ between I/O pins. |
| 2 | I/O2 | passive | Bi-directional protected line 2 (TVS to pin 3), 24V reverse working voltage, 0.95pF typ between I/O pins. |
| 3 | GND | power_in | Common ground/reference node of the two TVS diodes, I/O to GND capacitance 2.0pF typ at VR=0V, f=1MHz. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | DOWO |
| Package | SOT-23 |
| Category | Circuit Protection |
| Pins | 3 |
## 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 Working Voltage | VRWM | | | 24 | V | | 2 |
| Breakdown Voltage | VBR | 100 | | | V | IT = 1mA | 2 |
| Reverse Leakage Current | IR | | | 0.1 | μA | VRWM=24V | 2 |
| ESD per IEC 61000-4-2 (Air) | VESD | | | 25 | kV | | 2 |
| ESD per IEC 61000-4-2 (Contact) | VESD | | | 25 | kV | | 2 |
| Junction Temperature | TJ | -55 | | 125 | °C | | 2 |
| Storage Temperature Range | Tstg | -55 | | 125 | °C | | 2 |
| Lead Soldering Temperature | TL | | | 260 | °C | 10 seconds | 2 |
| Junction Capacitance (I/O to GND) | CJ | | 2 | 2.5 | pF | I/O to GND; VR=0V; f=1MHz | 2 |
| Clamping Voltage | VC | | 29.5 | | V | | 2 |
| Junction Capacitance (I/O to I/O) | CJ | | 0.95 | | pF | Between I/O; VR=0V; f=1MHz | 2 |
| Clamping Voltage | VC | | 32.5 | | V | | 2 |
| ESD Dynamic Resistance | RDYN | | 0.25 | | Ω | ITLP=4A,tp=0.2/100ns | 2 |
| ESD Dynamic Resistance | RDYN | | 1.2 | | Ω | ITLP=16A,tp=0.2/100ns | 2 |
## CAD (KiCad official)
- Symbol: `PESD2ETH1G`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `pesd2eth1g-etched.step` / `pesd2eth1g-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `pesd2eth1g.step` / `pesd2eth1g.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [DOWO datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603400239886196736) (4 pp, sha256 `2cb6dbb29fefa504`, retrieved 2026-10-17, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-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).
[Datasheet PDF](docs/pesd2eth1g-datasheet.pdf)