component
BZG03C120
Public Made by Adomby adom
LGE Zener Diodes, DO-214AC(SMA). 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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BZG03C120
LGE · Zener Diodes · DO-214AC(SMA)
BZG03C120 from LGE, in a DO-214AC(SMA). 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 | DO-214AC(SMA) |
| 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) | VZ | 114 | 120 | 127 | V | IZT = 5 mA | 2 |
| Dynamic resistance | rzj | 80 | 250 | Ω | IZT = 5 mA | 2 | |
| Temperature coefficient of zener voltage | TKVZ | 0.09 | 0.13 | %/K | @IZT = 5 mA | 2 | |
| Reverse leakage current | IR | 1 | μA | VR = 91 V | 2 | ||
| Power dissipation | Ptot | 3 | W | Ttp=100 | 1 | ||
| Peak reverse power dissipation (non-repetitive) | PZSM | 600 | W | tp=100µs square wave | 1 | ||
| Forward voltage | VF | 1.2 | V | IF=500mA | 1 | ||
| Maximum thermal resistance junction to ambient | RθJA | 150 | K/W | junction to ambient | 1 | ||
| Junction temperature | TJ | -65 | 150 | °C | 1 | ||
| Storage temperature range | TSTG | -65 | 150 | °C | 1 |
CAD (KiCad official)
- Symbol:
BZG03C120 - Footprint:
Diode_SMD:D_SMA - 3D model: DO-214AC(SMA) (KiCad packages3D, STEP)
- 3D model files:
bzg03c120-etched.step/bzg03c120-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);bzg03c120.step/bzg03c120.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: LGE datasheet (3 pp, sha256
5344139ed261f335, retrieved 2026-10-17, 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).
# BZG03C120
**LGE** · Zener Diodes · DO-214AC(SMA)
BZG03C120 from LGE, in a DO-214AC(SMA). 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 | DO-214AC(SMA) |
| 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) | VZ | 114 | 120 | 127 | V | IZT = 5 mA | 2 |
| Dynamic resistance | rzj | | 80 | 250 | Ω | IZT = 5 mA | 2 |
| Temperature coefficient of zener voltage | TKVZ | | 0.09 | 0.13 | %/K | @IZT = 5 mA | 2 |
| Reverse leakage current | IR | | | 1 | μA | VR = 91 V | 2 |
| Power dissipation | Ptot | | | 3 | W | Ttp=100 | 1 |
| Peak reverse power dissipation (non-repetitive) | PZSM | | | 600 | W | tp=100µs square wave | 1 |
| Forward voltage | VF | | | 1.2 | V | IF=500mA | 1 |
| Maximum thermal resistance junction to ambient | RθJA | | | 150 | K/W | junction to ambient | 1 |
| Junction temperature | TJ | -65 | | 150 | °C | | 1 |
| Storage temperature range | TSTG | -65 | | 150 | °C | | 1 |
## CAD (KiCad official)
- Symbol: `BZG03C120`
- Footprint: `Diode_SMD:D_SMA`
- 3D model: DO-214AC(SMA) (KiCad packages3D, STEP)
- 3D model files: `bzg03c120-etched.step` / `bzg03c120-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bzg03c120.step` / `bzg03c120.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [LGE datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603144608205856768) (3 pp, sha256 `5344139ed261f335`, retrieved 2026-10-17, 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/bzg03c120-datasheet.pdf)