component
BZT52C12-6AF
Public Made by Adomby adom
FOSAN 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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BZT52C12-6AF
FOSAN · Zener Diodes · SOD-123
BZT52C12-6AF from FOSAN, 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 | FOSAN |
| 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 (MIN to MAX at IZT=5mA) | VZ | 11.4 | 12.7 | V | @IZT=5mA | 2 | |
| Differential resistance at IZK=1mA | rdif | 50 | 150 | Ω | @IZK=1mA | 2 | |
| Differential resistance at IZT=5mA | rdif | 10 | 20 | Ω | @IZT=5mA | 2 | |
| Temperature coefficient SZ | SZ | 5.4 | 7.4 | 9 | mV/K | @IZT=5mA | 2 |
| Reverse leakage current | IR | 0.1 | uA | @VR=8 V | 2 | ||
| Forward voltage | VF | 0.9 | V | @IF=10mA | 1 | ||
| Power dissipation | PD | 500 | mW | Ta=25℃ | 1 | ||
| Thermal resistance junction-ambient | RΘJA | 250 | ℃/W | 1 | |||
| Junction temperature | TJ | 150 | ℃ | 1 | |||
| Storage temperature | Tstg | -65 | 150 | ℃ | 1 |
CAD (KiCad official)
- Symbol:
BZT52C12-6AF - Footprint:
Diode_SMD:D_SOD-123F - 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files:
bzt52c12-6af-etched.step/bzt52c12-6af-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);bzt52c12-6af.step/bzt52c12-6af.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: FOSAN datasheet (4 pp, sha256
17323541e5f89cd5, retrieved 2026-10-21, 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).
# BZT52C12-6AF
**FOSAN** · Zener Diodes · SOD-123
BZT52C12-6AF from FOSAN, 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 | FOSAN |
| 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 (MIN to MAX at IZT=5mA) | VZ | 11.4 | | 12.7 | V | @IZT=5mA | 2 |
| Differential resistance at IZK=1mA | rdif | | 50 | 150 | Ω | @IZK=1mA | 2 |
| Differential resistance at IZT=5mA | rdif | | 10 | 20 | Ω | @IZT=5mA | 2 |
| Temperature coefficient SZ | SZ | 5.4 | 7.4 | 9 | mV/K | @IZT=5mA | 2 |
| Reverse leakage current | IR | | | 0.1 | uA | @VR=8 V | 2 |
| Forward voltage | VF | | | 0.9 | V | @IF=10mA | 1 |
| Power dissipation | PD | | | 500 | mW | Ta=25℃ | 1 |
| Thermal resistance junction-ambient | RΘJA | | | 250 | ℃/W | | 1 |
| Junction temperature | TJ | | | 150 | ℃ | | 1 |
| Storage temperature | Tstg | -65 | | 150 | ℃ | | 1 |
## CAD (KiCad official)
- Symbol: `BZT52C12-6AF`
- Footprint: `Diode_SMD:D_SOD-123F`
- 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files: `bzt52c12-6af-etched.step` / `bzt52c12-6af-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bzt52c12-6af.step` / `bzt52c12-6af.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [FOSAN datasheet](docs/bzt52c12-6af-datasheet.pdf) (4 pp, sha256 `17323541e5f89cd5`, retrieved 2026-10-21, 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/bzt52c12-6af-datasheet.pdf)