component
PESD12VS2UT
Public Made by Adomby adom
Nexperia 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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PESD12VS2UT
Nexperia · ESD And Surge Protection (TVS/ESD) · SOT-23
PESD12VS2UT from Nexperia, 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 | K1 | passive | Cathode of diode 1; device ratings and Cd are measured from pin 1 or 2 to pin 3, with VRWM 12 V max and Cd 38 pF typ, 75 pF max at 1 MHz, VR = 0 V. |
| 2 | K2 | passive | Cathode of diode 2; device ratings and Cd are measured from pin 1 or 2 to pin 3, with VRWM 12 V max and Cd 38 pF typ, 75 pF max at 1 MHz, VR = 0 V. |
| 3 | A | passive | Common anode shared by both diodes; the reference for all ratings, with peak pulse power 180 W and ESD up to 30 kV (IEC 61000-4-2 contact) stated for pin 1 or 2 to pin 3. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Nexperia |
| 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 |
|---|---|---|---|---|---|---|---|
| Rated peak pulse power | PPPM | 180 | W | Non-repetitive 8/20 µs pulse; measured from pin 1 or 2 to pin 3 (footnotes 1, 2) | 3 | ||
| Rated peak pulse current | IPPM | 5 | A | tp = 8/20 µs; footnotes 1, 2 | 3 | ||
| Junction temperature | Tj | 150 | °C | 3 | |||
| Ambient temperature | Tamb | -65 | 150 | °C | 3 | ||
| Storage temperature | Tstg | -65 | 150 | °C | 3 | ||
| Electrostatic discharge voltage, IEC 61000-4-2 contact discharge | VESD | 30 | kV | IEC 61000-4-2 (contact discharge); ten non-repetitive pulses (footnotes 2, 3) | 3 | ||
| Electrostatic discharge voltage, IEC 61000-4-2 air discharge | VESD | 15 | kV | IEC 61000-4-2 (air discharge); ten non-repetitive pulses (footnotes 2, 3) | 3 | ||
| Electrostatic discharge voltage, human body model | VESD | 10 | kV | MIL-STD-883 (human body model) | 3 | ||
| Reverse standoff voltage | VRWM | 12 | V | Tamb = 25 °C; footnote 1 | 4 | ||
| Breakdown voltage | VBR | 14.7 | 15 | 15.3 | V | IR = 5 mA; Tamb = 25 °C; footnote 1 | 4 |
| Reverse leakage current | IRM | 0.02 | 1 | µA | VRWM = 12 V; Tamb = 25 °C; footnote 1 | 4 | |
| Diode capacitance | Cd | 38 | 75 | pF | f = 1 MHz; VR = 0 V; Tamb = 25 °C; footnote 1 | 4 | |
| Clamping voltage | VCL | 19 | V | IPP = 1 A; Tamb = 25 °C; footnotes 1, 2 | 4 | ||
| Clamping voltage | VCL | 35 | V | IPP = 5 A; Tamb = 25 °C; footnotes 1, 2 | 4 | ||
| Differential resistance | Rdiff | 200 | Ω | IR = 1 mA; Tamb = 25 °C; footnote 1 | 4 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| housing | pet | MIL-STD-883 (human body model) - 10 kV [1] Non-repetitive current pulse 8/20 µs exponential decay waveform according to IEC 61000-4-5. | 3 |
CAD (KiCad official)
- Symbol:
PESD12VS2UT - Footprint:
Package_TO_SOT_SMD:SOT-23 - 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files:
pesd12vs2ut-etched.step/pesd12vs2ut-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);pesd12vs2ut.step/pesd12vs2ut.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Nexperia datasheet (11 pp, sha256
ecaf34f3b12970eb, retrieved 2026-10-17, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-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).
# PESD12VS2UT
**Nexperia** · ESD And Surge Protection (TVS/ESD) · SOT-23
PESD12VS2UT from Nexperia, 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 | K1 | passive | Cathode of diode 1; device ratings and Cd are measured from pin 1 or 2 to pin 3, with VRWM 12 V max and Cd 38 pF typ, 75 pF max at 1 MHz, VR = 0 V. |
| 2 | K2 | passive | Cathode of diode 2; device ratings and Cd are measured from pin 1 or 2 to pin 3, with VRWM 12 V max and Cd 38 pF typ, 75 pF max at 1 MHz, VR = 0 V. |
| 3 | A | passive | Common anode shared by both diodes; the reference for all ratings, with peak pulse power 180 W and ESD up to 30 kV (IEC 61000-4-2 contact) stated for pin 1 or 2 to pin 3. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Nexperia |
| 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 |
|---|---|---|---|---|---|---|---|
| Rated peak pulse power | PPPM | | | 180 | W | Non-repetitive 8/20 µs pulse; measured from pin 1 or 2 to pin 3 (footnotes 1, 2) | 3 |
| Rated peak pulse current | IPPM | | | 5 | A | tp = 8/20 µs; footnotes 1, 2 | 3 |
| Junction temperature | Tj | | | 150 | °C | | 3 |
| Ambient temperature | Tamb | -65 | | 150 | °C | | 3 |
| Storage temperature | Tstg | -65 | | 150 | °C | | 3 |
| Electrostatic discharge voltage, IEC 61000-4-2 contact discharge | VESD | | | 30 | kV | IEC 61000-4-2 (contact discharge); ten non-repetitive pulses (footnotes 2, 3) | 3 |
| Electrostatic discharge voltage, IEC 61000-4-2 air discharge | VESD | | | 15 | kV | IEC 61000-4-2 (air discharge); ten non-repetitive pulses (footnotes 2, 3) | 3 |
| Electrostatic discharge voltage, human body model | VESD | | | 10 | kV | MIL-STD-883 (human body model) | 3 |
| Reverse standoff voltage | VRWM | | | 12 | V | Tamb = 25 °C; footnote 1 | 4 |
| Breakdown voltage | VBR | 14.7 | 15 | 15.3 | V | IR = 5 mA; Tamb = 25 °C; footnote 1 | 4 |
| Reverse leakage current | IRM | | 0.02 | 1 | µA | VRWM = 12 V; Tamb = 25 °C; footnote 1 | 4 |
| Diode capacitance | Cd | | 38 | 75 | pF | f = 1 MHz; VR = 0 V; Tamb = 25 °C; footnote 1 | 4 |
| Clamping voltage | VCL | | | 19 | V | IPP = 1 A; Tamb = 25 °C; footnotes 1, 2 | 4 |
| Clamping voltage | VCL | | | 35 | V | IPP = 5 A; Tamb = 25 °C; footnotes 1, 2 | 4 |
| Differential resistance | Rdiff | | | 200 | Ω | IR = 1 mA; Tamb = 25 °C; footnote 1 | 4 |
## Materials and finish
As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| housing | pet | | MIL-STD-883 (human body model) - 10 kV [1] Non-repetitive current pulse 8/20 µs exponential decay waveform according to IEC 61000-4-5. | 3 |
## CAD (KiCad official)
- Symbol: `PESD12VS2UT`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `pesd12vs2ut-etched.step` / `pesd12vs2ut-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `pesd12vs2ut.step` / `pesd12vs2ut.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Nexperia datasheet](https://assets.nexperia.com/documents/data-sheet/PESD12VS2UT.pdf) (11 pp, sha256 `ecaf34f3b12970eb`, retrieved 2026-10-17, tier: manufacturer)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-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/pesd12vs2ut-datasheet.pdf)