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TUSD05EB
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Leiditech ESD Protection Devices, SOD-523. 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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TUSD05EB
Leiditech · ESD Protection Devices · SOD-523
TUSD05EB from Leiditech, in a SOD-523. 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 | Leiditech |
| Package | SOD-523 |
| 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 stand-off voltage | VRWM | 5 | V | 2 | |||
| Breakdown voltage (minimum) | VBR | 6 | V | IT = 1 mA | 2 | ||
| Clamping voltage at 1 A | VC | 9.8 | V | @1A | 2 | ||
| Clamping voltage (maximum) | VC | 18 | V | @4A | 2 | ||
| Reverse leakage current (maximum) | IR | 1 | μA | 2 | |||
| Capacitance (typical) | C | 0.5 | Pf | 2 | |||
| Peak Pulse Power (8/20µs) | Ppp | 200 | W | 8/20µs | 1 | ||
| ESD per IEC 61000-4-2 (Air) | VESD | -30 | 30 | Kv | IEC 61000-4-2 air discharge | 1 | |
| ESD per IEC 61000-4-2 (Contact) | VESD | -30 | 30 | Kv | IEC 61000-4-2 contact discharge | 1 | |
| Operating Temperature Range | TJ | -55 | 125 | ℃ | 1 | ||
| Storage Temperature Range | TSTJ | -55 | 150 | ℃ | 1 |
CAD (KiCad official)
- Symbol:
TUSD05EB - Footprint:
Diode_SMD:D_SOD-523 - 3D model: SOD-523 (KiCad packages3D, STEP)
- 3D model files:
tusd05eb-etched.step/tusd05eb-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);tusd05eb.step/tusd05eb.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Leiditech datasheet (3 pp, sha256
d0be8c0ec7a6d93e, retrieved 2026-10-21, 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).
# TUSD05EB
**Leiditech** · ESD Protection Devices · SOD-523
TUSD05EB from Leiditech, in a SOD-523. 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 | Leiditech |
| Package | SOD-523 |
| 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 stand-off voltage | VRWM | | | 5 | V | | 2 |
| Breakdown voltage (minimum) | VBR | 6 | | | V | IT = 1 mA | 2 |
| Clamping voltage at 1 A | VC | | 9.8 | | V | @1A | 2 |
| Clamping voltage (maximum) | VC | | | 18 | V | @4A | 2 |
| Reverse leakage current (maximum) | IR | | | 1 | μA | | 2 |
| Capacitance (typical) | C | | 0.5 | | Pf | | 2 |
| Peak Pulse Power (8/20µs) | Ppp | | | 200 | W | 8/20µs | 1 |
| ESD per IEC 61000-4-2 (Air) | VESD | -30 | | 30 | Kv | IEC 61000-4-2 air discharge | 1 |
| ESD per IEC 61000-4-2 (Contact) | VESD | -30 | | 30 | Kv | IEC 61000-4-2 contact discharge | 1 |
| Operating Temperature Range | TJ | -55 | | 125 | ℃ | | 1 |
| Storage Temperature Range | TSTJ | -55 | | 150 | ℃ | | 1 |
## CAD (KiCad official)
- Symbol: `TUSD05EB`
- Footprint: `Diode_SMD:D_SOD-523`
- 3D model: SOD-523 (KiCad packages3D, STEP)
- 3D model files: `tusd05eb-etched.step` / `tusd05eb-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tusd05eb.step` / `tusd05eb.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Leiditech datasheet](docs/tusd05eb-datasheet.pdf) (3 pp, sha256 `d0be8c0ec7a6d93e`, retrieved 2026-10-21, 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/tusd05eb-datasheet.pdf)