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STS321033U202
Public Made by Adomby adom
EATON ESD Protection Devices, SOD-323. 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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STS321033U202
EATON · ESD Protection Devices · SOD-323
STS321033U202 from EATON, in a SOD-323. 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 fuse; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised fuse; either orientation. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | EATON |
| Package | SOD-323 |
| 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 |
|---|---|---|---|---|---|---|---|
| Reverse breakdown voltage | VBR | 4 | V | IT = 1 mA | 2 | ||
| Reverse leakage current | IR | 1 | 5 | μA | VRWM = 3.3 V | 2 | |
| Peak pulse current | IPP | 25 | A | tp = 8/20 μs | 2 | ||
| Clamping voltage | VC | 5.5 | 6.5 | V | IPP = 1 A, tp = 8/20 μs | 2 | |
| Clamping voltage | VC | 10 | 15 | V | IPP = 25 A, tp = 8/20 μs | 2 | |
| Junction capacitance | CJ | 200 | 250 | pF | VRWM = 0 V, f = 1 MHz | 2 | |
| Reverse working voltage | VRWM | 3.3 | V | 2 | |||
| Peak pulse power dissipation | Ppp | 350 | W | 8/20 μs waveform | 2 | ||
| ESD per IEC 61000-4-2 (Air) | VESD | -30 | 30 | kV | IEC 61000-4-2 air | 2 | |
| ESD per IEC 61000-4-2 (Contact) | VESD | -30 | 30 | kV | IEC 61000-4-2 contact | 2 | |
| Lead soldering temperature | TL | 260 | °C | 10 seconds | 2 | ||
| Operating junction temperature range | TJ | -55 | 125 | °C | 2 | ||
| Storage temperature range | TSTG | -55 | 150 | °C | 2 |
CAD (KiCad official)
- Symbol:
STS321033U202 - Footprint:
Diode_SMD:D_SOD-323 - 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files:
sts321033u202-etched.step/sts321033u202-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sts321033u202.step/sts321033u202.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: EATON datasheet (7 pp, sha256
2f5d14f3d1289d3b, retrieved 2026-10-27, 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).
# STS321033U202
**EATON** · ESD Protection Devices · SOD-323
STS321033U202 from EATON, in a SOD-323. 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 fuse; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised fuse; either orientation. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | EATON |
| Package | SOD-323 |
| 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 |
|---|---|---|---|---|---|---|---|
| Reverse breakdown voltage | VBR | 4 | | | V | IT = 1 mA | 2 |
| Reverse leakage current | IR | | 1 | 5 | μA | VRWM = 3.3 V | 2 |
| Peak pulse current | IPP | | | 25 | A | tp = 8/20 μs | 2 |
| Clamping voltage | VC | | 5.5 | 6.5 | V | IPP = 1 A, tp = 8/20 μs | 2 |
| Clamping voltage | VC | | 10 | 15 | V | IPP = 25 A, tp = 8/20 μs | 2 |
| Junction capacitance | CJ | | 200 | 250 | pF | VRWM = 0 V, f = 1 MHz | 2 |
| Reverse working voltage | VRWM | | | 3.3 | V | | 2 |
| Peak pulse power dissipation | Ppp | | | 350 | W | 8/20 μs waveform | 2 |
| ESD per IEC 61000-4-2 (Air) | VESD | -30 | | 30 | kV | IEC 61000-4-2 air | 2 |
| ESD per IEC 61000-4-2 (Contact) | VESD | -30 | | 30 | kV | IEC 61000-4-2 contact | 2 |
| Lead soldering temperature | TL | | | 260 | °C | 10 seconds | 2 |
| Operating junction temperature range | TJ | -55 | | 125 | °C | | 2 |
| Storage temperature range | TSTG | -55 | | 150 | °C | | 2 |
## CAD (KiCad official)
- Symbol: `STS321033U202`
- Footprint: `Diode_SMD:D_SOD-323`
- 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files: `sts321033u202-etched.step` / `sts321033u202-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sts321033u202.step` / `sts321033u202.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [EATON datasheet](docs/sts321033u202-datasheet.pdf) (7 pp, sha256 `2f5d14f3d1289d3b`, retrieved 2026-10-27, 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/sts321033u202-datasheet.pdf)