component
AZ23C12
Public Made by Adomby adom
Changjing Zener Diodes, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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AZ23C12
Changjing · Zener Diodes · SOT-23
AZ23C12 from Changjing, in a SOT-23. 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 | K1 | passive | Cathode of zener diode 1 (pin 1 on the page-1 diagram); zener voltage 11.4-12.7 V at IZT=5.0mA for the AZ23C12. |
| 2 | K2 | passive | Cathode of zener diode 2 (pin 2 on the page-1 diagram); zener voltage 11.4-12.7 V at IZT=5.0mA for the AZ23C12, matched to diode 1 within 5%. |
| 3 | A | passive | Common anode of both zener diodes (pin 3 on the page-1 diagram); 300mW total power dissipation rating. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Changjing |
| Package | SOT-23 |
| Category | Diodes |
| Pins | 3 |
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 Range | VZ | 11.4 | 12.7 | V | Note 1: short duration test pulse | 2 | |
| Min Reverse Voltage | VR | 9 | V | @IR=0.1μA | 2 | ||
| Maximum Zener Impedance | ZZT | 20 | Ω | @ IZT=5.0mA; f=1kHz (note 2) | 2 | ||
| Maximum Zener Impedance | ZZK | 90 | Ω | @ IZk=1.0mA | 2 | ||
| Power Dissipation | PD | 300 | mW | Ta=25℃ | 1 | ||
| Operation Junction and Storage Temperature Range | TJ,TSTG | -55 | 150 | ℃ | 1 | ||
| Forward Voltage | VF | 0.9 | V | @ IF = 10mA | 1 | ||
| Thermal Resistance from Junction to Ambient | RθJA | 417 | ℃/W | 1 | |||
| Typical Temperature Coefficient | Tc | 0.075 | %/℃ | @IR=0.1μA | 2 |
CAD (KiCad official)
- Symbol:
AZ23C12 - Footprint:
Package_TO_SOT_SMD:SOT-23 - 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files:
az23c12-etched.step/az23c12-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);az23c12.step/az23c12.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Changjing datasheet (5 pp, sha256
9d98037b38f83739, retrieved 2026-10-18, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-opus-5-5(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).
# AZ23C12
**Changjing** · Zener Diodes · SOT-23
AZ23C12 from Changjing, in a SOT-23. 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 | K1 | passive | Cathode of zener diode 1 (pin 1 on the page-1 diagram); zener voltage 11.4-12.7 V at IZT=5.0mA for the AZ23C12. |
| 2 | K2 | passive | Cathode of zener diode 2 (pin 2 on the page-1 diagram); zener voltage 11.4-12.7 V at IZT=5.0mA for the AZ23C12, matched to diode 1 within 5%. |
| 3 | A | passive | Common anode of both zener diodes (pin 3 on the page-1 diagram); 300mW total power dissipation rating. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Changjing |
| Package | SOT-23 |
| Category | Diodes |
| Pins | 3 |
## 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 Range | VZ | 11.4 | | 12.7 | V | Note 1: short duration test pulse | 2 |
| Min Reverse Voltage | VR | 9 | | | V | @IR=0.1μA | 2 |
| Maximum Zener Impedance | ZZT | | | 20 | Ω | @ IZT=5.0mA; f=1kHz (note 2) | 2 |
| Maximum Zener Impedance | ZZK | | | 90 | Ω | @ IZk=1.0mA | 2 |
| Power Dissipation | PD | | | 300 | mW | Ta=25℃ | 1 |
| Operation Junction and Storage Temperature Range | TJ,TSTG | -55 | | 150 | ℃ | | 1 |
| Forward Voltage | VF | | | 0.9 | V | @ IF = 10mA | 1 |
| Thermal Resistance from Junction to Ambient | RθJA | | | 417 | ℃/W | | 1 |
| Typical Temperature Coefficient | Tc | | 0.075 | | %/℃ | @IR=0.1μA | 2 |
## CAD (KiCad official)
- Symbol: `AZ23C12`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `az23c12-etched.step` / `az23c12-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `az23c12.step` / `az23c12.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Changjing datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590229271177564161) (5 pp, sha256 `9d98037b38f83739`, retrieved 2026-10-18, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-opus-5-5` (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/az23c12-datasheet.pdf)