component
BZT52C20-E3-08
Public Made by Adomby adom
Vishay Intertech Zener Diodes, SOD-123. 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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BZT52C20-E3-08
Vishay Intertech · Zener Diodes · SOD-123
BZT52C20-E3-08 from Vishay Intertech, in a SOD-123. 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 | K | passive | Cathode: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint. |
| 2 | A | passive | Anode. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Vishay Intertech |
| Package | SOD-123 |
| Category | Diodes |
| 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 |
|---|---|---|---|---|---|---|---|
| Zener voltage (nominal 20 V, C-grade 5%) | VZ | 19 | 20 | 21 | V | IZT1 = 5 mA; measured with pulses tp = 5 ms | 2 |
| Zener voltage tolerance (C suffix) | -5 | 5 | % | BZT52C grade, 5% per ordering table | 1 | ||
| Reverse voltage at IR (printed as '> 15') | VR | 15 | V | IR = 100 nA; IZT1 = 5 mA, IZT2 = 1 mA | 2 | ||
| Temperature coefficient of VZ | αVZ | 8 | 10 | 10-4/°C | IZT1 = 5 mA, IZT2 = 1 mA | 2 | |
| Power dissipation | Ptot | 500 | mW | RthJL = 250 K/W | 1 | ||
| Power dissipation on FR-4 board | Ptot | 300 | mW | On FR-4 board with recommended soldering footprint | 1 | ||
| Junction temperature | Tj | 150 | °C | 1 | |||
| Storage temperature range | Tstg | -65 | 150 | °C | 1 | ||
| Operating temperature range | Top | -55 | 150 | °C | 1 | ||
| Thermal resistance junction to lead | RthJL | 250 | K/W | Thermal resistance junction to lead | 1 | ||
| Thermal resistance junction to ambient | RthJA | 420 | K/W | According to JEDEC 51-3 on FR-4 board with recommended soldering footprint | 1 |
CAD (KiCad official)
- Symbol:
BZT52C20-E3-08 - Footprint:
Diode_SMD:D_SOD-123F - 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files:
bzt52c20-e3-08-etched.step/bzt52c20-e3-08-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);bzt52c20-e3-08.step/bzt52c20-e3-08.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Vishay Intertech datasheet (7 pp, sha256
88fbcb2f1d090d42, retrieved 2026-10-18, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarycathode-band 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).
# BZT52C20-E3-08
**Vishay Intertech** · Zener Diodes · SOD-123
BZT52C20-E3-08 from Vishay Intertech, in a SOD-123. 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 | K | passive | Cathode: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint. |
| 2 | A | passive | Anode. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Vishay Intertech |
| Package | SOD-123 |
| Category | Diodes |
| 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 |
|---|---|---|---|---|---|---|---|
| Zener voltage (nominal 20 V, C-grade 5%) | VZ | 19 | 20 | 21 | V | IZT1 = 5 mA; measured with pulses tp = 5 ms | 2 |
| Zener voltage tolerance (C suffix) | | -5 | | 5 | % | BZT52C grade, 5% per ordering table | 1 |
| Reverse voltage at IR (printed as '> 15') | VR | 15 | | | V | IR = 100 nA; IZT1 = 5 mA, IZT2 = 1 mA | 2 |
| Temperature coefficient of VZ | αVZ | 8 | | 10 | 10-4/°C | IZT1 = 5 mA, IZT2 = 1 mA | 2 |
| Power dissipation | Ptot | | | 500 | mW | RthJL = 250 K/W | 1 |
| Power dissipation on FR-4 board | Ptot | | | 300 | mW | On FR-4 board with recommended soldering footprint | 1 |
| Junction temperature | Tj | | | 150 | °C | | 1 |
| Storage temperature range | Tstg | -65 | | 150 | °C | | 1 |
| Operating temperature range | Top | -55 | | 150 | °C | | 1 |
| Thermal resistance junction to lead | RthJL | | 250 | | K/W | Thermal resistance junction to lead | 1 |
| Thermal resistance junction to ambient | RthJA | | 420 | | K/W | According to JEDEC 51-3 on FR-4 board with recommended soldering footprint | 1 |
## CAD (KiCad official)
- Symbol: `BZT52C20-E3-08`
- Footprint: `Diode_SMD:D_SOD-123F`
- 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files: `bzt52c20-e3-08-etched.step` / `bzt52c20-e3-08-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bzt52c20-e3-08.step` / `bzt52c20-e3-08.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Vishay Intertech datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8602561511055777792) (7 pp, sha256 `88fbcb2f1d090d42`, retrieved 2026-10-18, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `cathode-band 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/bzt52c20-e3-08-datasheet.pdf)