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PESDR0521P1
Public Made by Adomby adom
UMW ESD Protection Devices, DFN1006-2. 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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PESDR0521P1
UMW · ESD Protection Devices · DFN1006-2
PESDR0521P1 from UMW, in a DFN1006-2. 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 | UMW |
| Package | DFN1006-2 |
| Category | Circuit 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 |
|---|---|---|---|---|---|---|---|
| Peak Pulse Power (8/20μs) | PPK | 100 | W | 8/20μs | 2 | ||
| Peak Pulse Current (8/20μs) | IPP | 4 | A | 8/20μs | 2 | ||
| ESD per IEC 61000-4-2 (Air) | VESD | -25 | 25 | kV | IEC 61000-4-2 (Air) | 2 | |
| ESD per IEC 61000-4-2 (Contact) | VESD | -22 | 22 | kV | IEC 61000-4-2 (Contact) | 2 | |
| Junction Temperature Range | TJ | -55 | 125 | °C | 2 | ||
| Storage Temperature Range | TSTG | -55 | 150 | °C | 2 | ||
| Junction Capacitance | CJ | 0.3 | pF | VR=0V, f=1MHz | 2 |
CAD (KiCad official)
- Symbol:
PESDR0521P1 - Footprint:
Diode_SMD:D_SOD-882 - 3D model: DFN1006-2 (KiCad packages3D, STEP)
- 3D model files:
pesdr0521p1-etched.step/pesdr0521p1-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);pesdr0521p1.step/pesdr0521p1.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: UMW datasheet (6 pp, sha256
300a1d27bc54bc16, 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).
# PESDR0521P1
**UMW** · ESD Protection Devices · DFN1006-2
PESDR0521P1 from UMW, in a DFN1006-2. 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 | UMW |
| Package | DFN1006-2 |
| Category | Circuit 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 |
|---|---|---|---|---|---|---|---|
| Peak Pulse Power (8/20μs) | PPK | | | 100 | W | 8/20μs | 2 |
| Peak Pulse Current (8/20μs) | IPP | | | 4 | A | 8/20μs | 2 |
| ESD per IEC 61000-4-2 (Air) | VESD | -25 | | 25 | kV | IEC 61000-4-2 (Air) | 2 |
| ESD per IEC 61000-4-2 (Contact) | VESD | -22 | | 22 | kV | IEC 61000-4-2 (Contact) | 2 |
| Junction Temperature Range | TJ | -55 | | 125 | °C | | 2 |
| Storage Temperature Range | TSTG | -55 | | 150 | °C | | 2 |
| Junction Capacitance | CJ | | 0.3 | | pF | VR=0V, f=1MHz | 2 |
## CAD (KiCad official)
- Symbol: `PESDR0521P1`
- Footprint: `Diode_SMD:D_SOD-882`
- 3D model: DFN1006-2 (KiCad packages3D, STEP)
- 3D model files: `pesdr0521p1-etched.step` / `pesdr0521p1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `pesdr0521p1.step` / `pesdr0521p1.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [UMW datasheet](docs/pesdr0521p1-datasheet.pdf) (6 pp, sha256 `300a1d27bc54bc16`, 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/pesdr0521p1-datasheet.pdf)