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ESD24VU1UT-MS
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MSKSEMI ESD Protection Devices, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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ESD24VU1UT-MS
MSKSEMI · ESD Protection Devices · SOT-23
ESD24VU1UT-MS from MSKSEMI, 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 | Protected line 1 of the two lines, with a diode to the common pin 3; 24V max working voltage (VRWM), 26.7V min breakdown at 1mA, 1.5pF max capacitance. |
| 2 | I/O2 | passive | Protected line 2 of the two lines, with a diode to the common pin 3; 24V max working voltage (VRWM), 26.7V min breakdown at 1mA, 1.5pF max capacitance. |
| 3 | COMMON | passive | Common node joining the two protection diodes of pins 1 and 2 in the package diagram; the datasheet does not name it as ground. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | MSKSEMI |
| Package | SOT-23 |
| Category | TVS/Fuse/Board Level 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 |
|---|---|---|---|---|---|---|---|
| Breakdown voltage | VB | 26.7 | V | IT = 1 mA; Ta=25℃ | 2 | ||
| Clamping voltage at 1 A | VC@1A | 43 | V | @1A; Ta=25℃ | 2 | ||
| Clamping voltage | VC | 52 | V | @ 3 A; Ta=25℃ | 2 | ||
| Reverse leakage current | IR | 1 | µA | Ta=25℃ | 2 | ||
| Line capacitance | CT | 1.5 | pF | Ta=25℃ | 2 | ||
| Working voltage (reverse stand-off) | VRWM | 24 | V | 2 | |||
| Peak pulse power | PPK | 80 | Watts | tp = 8/20μs | 2 | ||
| Lead soldering temperature | TL | 260 | ℃ | 10 sec. | 2 | ||
| Operating temperature | TJ | -55 | 125 | ℃ | 2 | ||
| Storage temperature | TSTG | -55 | 150 | ℃ | 2 |
CAD (KiCad official)
- Symbol:
ESD24VU1UT-MS - Footprint:
Package_TO_SOT_SMD:SOT-23 - 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files:
esd24vu1ut-ms-etched.step/esd24vu1ut-ms-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);esd24vu1ut-ms.step/esd24vu1ut-ms.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: MSKSEMI datasheet (5 pp, sha256
29cf7dccf6d4a2ee, retrieved 2026-10-24, 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).
# ESD24VU1UT-MS
**MSKSEMI** · ESD Protection Devices · SOT-23
ESD24VU1UT-MS from MSKSEMI, 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 | Protected line 1 of the two lines, with a diode to the common pin 3; 24V max working voltage (VRWM), 26.7V min breakdown at 1mA, 1.5pF max capacitance. |
| 2 | I/O2 | passive | Protected line 2 of the two lines, with a diode to the common pin 3; 24V max working voltage (VRWM), 26.7V min breakdown at 1mA, 1.5pF max capacitance. |
| 3 | COMMON | passive | Common node joining the two protection diodes of pins 1 and 2 in the package diagram; the datasheet does not name it as ground. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | MSKSEMI |
| Package | SOT-23 |
| Category | TVS/Fuse/Board Level 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 |
|---|---|---|---|---|---|---|---|
| Breakdown voltage | VB | 26.7 | | | V | IT = 1 mA; Ta=25℃ | 2 |
| Clamping voltage at 1 A | VC@1A | | | 43 | V | @1A; Ta=25℃ | 2 |
| Clamping voltage | VC | | | 52 | V | @ 3 A; Ta=25℃ | 2 |
| Reverse leakage current | IR | | | 1 | µA | Ta=25℃ | 2 |
| Line capacitance | CT | | | 1.5 | pF | Ta=25℃ | 2 |
| Working voltage (reverse stand-off) | VRWM | | | 24 | V | | 2 |
| Peak pulse power | PPK | | | 80 | Watts | tp = 8/20μs | 2 |
| Lead soldering temperature | TL | | | 260 | ℃ | 10 sec. | 2 |
| Operating temperature | TJ | -55 | | 125 | ℃ | | 2 |
| Storage temperature | TSTG | -55 | | 150 | ℃ | | 2 |
## CAD (KiCad official)
- Symbol: `ESD24VU1UT-MS`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `esd24vu1ut-ms-etched.step` / `esd24vu1ut-ms-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `esd24vu1ut-ms.step` / `esd24vu1ut-ms.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [MSKSEMI datasheet](docs/esd24vu1ut-ms-datasheet.pdf) (5 pp, sha256 `29cf7dccf6d4a2ee`, retrieved 2026-10-24, 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/esd24vu1ut-ms-datasheet.pdf)