component
BZT52C12Q
Public Made by Adomby adom
Yangzhou Yangjie Elec Tech 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.
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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Contents
README
markdownBZT52C12Q
Yangzhou Yangjie Elec Tech · Zener Diodes · SOD-123
BZT52C12Q from Yangzhou Yangjie Elec Tech, 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 | Yangzhou Yangjie Elec Tech |
| 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) | VZ | 11.4 | 12 | 12.7 | V | IZT=5 mA | 2 |
| Dynamic impedance at IZT | ZZT | 25 | Ω | IZT=5 mA | 2 | ||
| Dynamic impedance at IZK (knee) | ZZK | 150 | Ω | IZK=1.0 mA | 2 | ||
| Reverse leakage current | IR | 0.1 | μA | VR=8.0 V | 2 | ||
| Typical temperature coefficient (min) | 6 | mV/℃ | IZTC=5 mA | 2 | |||
| Typical temperature coefficient (max) | 10 | mV/℃ | IZTC=5 mA | 2 | |||
| Zener voltage tolerance | -5 | 5 | % | approximately; suffix Q = AEC-Q101 qualified, same base table | 1 | ||
| Power dissipation | PD | 500 | mW | Ta=25℃ | 1 | ||
| Storage temperature range | Tstg | -55 | 150 | °C | 1 | ||
| Junction temperature | TJ | -55 | 150 | °C | 1 | ||
| Maximum forward voltage | VF | 0.9 | V | IF=10 mAdc | 1 | ||
| Thermal resistance junction to ambient air | RθJA | 340 | °C /W | 1 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| housing | black | 4. Body color: Black | 5 | |
| contacts | tin | ● Terminals: Tin plated leads, solderable per J-STD-002 and JESD22-B102 | 1 |
CAD (KiCad official)
- Symbol:
BZT52C12Q - Footprint:
Diode_SMD:D_SOD-123F - 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files:
bzt52c12q-etched.step/bzt52c12q-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);bzt52c12q.step/bzt52c12q.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Yangzhou Yangjie Elec Tech datasheet (6 pp, sha256
e9b1332811622411, retrieved 2026-10-18, 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).