component
DZL4749
Public Made by Adomby adom
LGE Zener Diodes, SOD-123FL. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
main
DZL4749
LGE · Zener Diodes · SOD-123FL
DZL4749 from LGE, in a SOD-123FL. 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 | LGE |
| Package | SOD-123FL |
| 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 | VZ | 28.5 | 30 | 31.5 | V | @ IZT = 8.5 mA | 2 |
| Power dissipation | PW | 1 | 1 | ||||
| Junction temperature | TJ | 150 | °C | 1 | |||
| Storage temperature range | TSTG | -55 | 150 | °C | 1 | ||
| Zener impedance | ZZT | 40 | Ω | @ IZT = 8.5 mA | 2 | ||
| Zener impedance | ZZK | 1000 | Ω | @ IZK = 0.25 mA | 2 | ||
| Leakage current | IR | 5 | µA | @ VR = 22.8 V | 2 |
CAD (KiCad official)
- Symbol:
DZL4749 - Footprint:
Diode_SMD:D_SOD-123F - 3D model: SOD-123FL (KiCad packages3D, STEP)
- 3D model files:
dzl4749-etched.step/dzl4749-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);dzl4749.step/dzl4749.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: LGE datasheet (2 pp, sha256
ae9b0ae4312d9fe5, 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).
# DZL4749
**LGE** · Zener Diodes · SOD-123FL
DZL4749 from LGE, in a SOD-123FL. 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 | LGE |
| Package | SOD-123FL |
| 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 | VZ | 28.5 | 30 | 31.5 | V | @ IZT = 8.5 mA | 2 |
| Power dissipation | PW | | | 1 | | | 1 |
| Junction temperature | TJ | | | 150 | °C | | 1 |
| Storage temperature range | TSTG | -55 | | 150 | °C | | 1 |
| Zener impedance | ZZT | | 40 | | Ω | @ IZT = 8.5 mA | 2 |
| Zener impedance | ZZK | | 1000 | | Ω | @ IZK = 0.25 mA | 2 |
| Leakage current | IR | | 5 | | µA | @ VR = 22.8 V | 2 |
## CAD (KiCad official)
- Symbol: `DZL4749`
- Footprint: `Diode_SMD:D_SOD-123F`
- 3D model: SOD-123FL (KiCad packages3D, STEP)
- 3D model files: `dzl4749-etched.step` / `dzl4749-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `dzl4749.step` / `dzl4749.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [LGE datasheet](docs/dzl4749-datasheet.pdf) (2 pp, sha256 `ae9b0ae4312d9fe5`, 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/dzl4749-datasheet.pdf)