component
ESD9X3.3ST5G-MS
Public Made by Adomby adom
MSKSEMI ESD Protection Devices, SOD-923. 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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ESD9X3.3ST5G-MS
MSKSEMI · ESD Protection Devices · SOD-923
ESD9X3.3ST5G-MS from MSKSEMI, in a SOD-923. 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 | 1 | passive | Terminal 1 of an unpolarised bidirectional ESD/TVS diode; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised bidirectional ESD/TVS diode; either orientation. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | MSKSEMI |
| Package | SOD-923 |
| Category | TVS/Fuse/Board Level 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 | VBR | 5 | V | It = 1mA | 3 | ||
| Reverse Leakage Current | IR | 2.5 | μA | VRWM = 5V T=25℃ | 3 | ||
| Maximum Reverse Peak Pulse Current | IPP | 2.3 | A | 3 | |||
| Clamping Voltage | VC | 19 | V | 3 | |||
| Junction Capacitance | Cj | 12 | 18 | pF | VR=0V f = 1MHz | 3 | |
| Peak Reverse Working Voltage | VRWM | 3.3 | V | 3 | |||
| Peak Pulse Power | Ppp | 44 | W | tp=8/20μs | 3 | ||
| Operating Temperature | TJ | -55 | 150 | ℃ | 3 | ||
| Storage Temperature | TSTG | -55 | 150 | ℃ | 3 |
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 |
|---|---|---|---|---|
| contacts | tin | Lead finish:100% matte Sn(Tin) Mounting position: Any | 2 |
CAD (KiCad official)
- Symbol:
ESD9X3.3ST5G-MS - Footprint:
Diode_SMD:D_SOD-923 - 3D model: SOD-923 (KiCad packages3D, STEP)
- 3D model files:
esd9x3-3st5g-ms-etched.step/esd9x3-3st5g-ms-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);esd9x3-3st5g-ms.step/esd9x3-3st5g-ms.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: MSKSEMI datasheet (6 pp, sha256
042ca1fe402528be, retrieved 2026-10-22, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarytwo-terminal 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).
# ESD9X3.3ST5G-MS
**MSKSEMI** · ESD Protection Devices · SOD-923
ESD9X3.3ST5G-MS from MSKSEMI, in a SOD-923. 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 | 1 | passive | Terminal 1 of an unpolarised bidirectional ESD/TVS diode; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised bidirectional ESD/TVS diode; either orientation. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | MSKSEMI |
| Package | SOD-923 |
| Category | TVS/Fuse/Board Level 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 | VBR | 5 | | | V | It = 1mA | 3 |
| Reverse Leakage Current | IR | | | 2.5 | μA | VRWM = 5V T=25℃ | 3 |
| Maximum Reverse Peak Pulse Current | IPP | | | 2.3 | A | | 3 |
| Clamping Voltage | VC | | | 19 | V | | 3 |
| Junction Capacitance | Cj | | 12 | 18 | pF | VR=0V f = 1MHz | 3 |
| Peak Reverse Working Voltage | VRWM | | 3.3 | | V | | 3 |
| Peak Pulse Power | Ppp | | | 44 | W | tp=8/20μs | 3 |
| Operating Temperature | TJ | -55 | | 150 | ℃ | | 3 |
| Storage Temperature | TSTG | -55 | | 150 | ℃ | | 3 |
## 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 |
|---|---|---|---|---|
| contacts | | tin | Lead finish:100% matte Sn(Tin) Mounting position: Any | 2 |
## CAD (KiCad official)
- Symbol: `ESD9X3.3ST5G-MS`
- Footprint: `Diode_SMD:D_SOD-923`
- 3D model: SOD-923 (KiCad packages3D, STEP)
- 3D model files: `esd9x3-3st5g-ms-etched.step` / `esd9x3-3st5g-ms-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `esd9x3-3st5g-ms.step` / `esd9x3-3st5g-ms.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [MSKSEMI datasheet](docs/esd9x3-3st5g-ms-datasheet.pdf) (6 pp, sha256 `042ca1fe402528be`, retrieved 2026-10-22, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `two-terminal 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/esd9x3-3st5g-ms-datasheet.pdf)