component
LBZT52B12T1G
Public Made by Adomby adom
LRC Zener Diodes, SOD-123. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownLBZT52B12T1G
LRC · Zener Diodes · SOD-123
LBZT52B12T1G from LRC, 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, indicated by the polarity band; Zener breakdown voltage of 11.74V to 12.24V at IZ=5mA for the 12V version. |
| 2 | A | passive | Anode; forward voltage 0.9V max at IF=10mA. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | LRC |
| 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 | VZ | 11.74 | 12.24 | V | IZ=5mA, TA=25°C | 2 | |
| Operating resistance | ZZ | 30 | Ω | IZ=5mA | 2 | ||
| Rising operating resistance | Zzk | 80 | Ω | IZ=0.5mA | 2 | ||
| Reverse current | IR | 0.1 | µA | VR=9.0V | 2 | ||
| Forward voltage | VF | 0.9 | V | IF=10mA | 1 | ||
| Total power dissipation on FR-5 board | PD | 500 | mW | TA=25°C | 1 | ||
| Thermal resistance junction to ambient | RθJA | 305 | °C/W | Device mounted on ceramic PCB | 1 | ||
| Junction and storage temperature range | Tj,TSTG | -55 | 150 | °C | 1 |
CAD (KiCad official)
- Symbol:
LBZT52B12T1G - Footprint:
Diode_SMD:D_SOD-123F - 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files:
lbzt52b12t1g-etched.step/lbzt52b12t1g-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lbzt52b12t1g.step/lbzt52b12t1g.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: LRC datasheet (3 pp, sha256
a59406156220447f, retrieved 2026-10-22, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text), consensusclaude-sonnet-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).