component
BZT52B3V9S
Public Made by Adomby adom
Slkor(SLKORMICRO Elec.) Zener Diodes, SOD-323. Diode: pin 1 is the cathode (the banded end) by the KiCad diode-footprint 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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README
markdownBZT52B3V9S
Slkor(SLKORMICRO Elec.) · Zener Diodes · SOD-323
BZT52B3V9S from Slkor(SLKORMICRO Elec.), in a SOD-323. 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 | Slkor(SLKORMICRO Elec.) |
| Package | SOD-323 |
| 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 (nominal 3.9 V) | VZ | 3.82 | 3.9 | 3.98 | V | @ IZT = 5 mA; pulsed (Note 2) | 2 |
| Maximum Zener impedance | ZZT | 90 | Ω | @ IZT = 5 mA; f = 1kHz (Note 3) | 2 | ||
| Maximum Zener impedance (knee) | ZZK | 600 | Ω | @ IZK = 1.0 mA | 2 | ||
| Maximum reverse current | IR | 3 | μA | @ VR = 1.0 V | 2 | ||
| Typical temperature coefficient | θVZ | -3.5 | 0 | mV/°C | @ IZTC = 5 mA | 2 | |
| Forward voltage | VF | 0.9 | V | @ IF = 10 mA (Note 2) | 1 | ||
| Power dissipation | Pd | 200 | mW | Note 1: ceramic PCB 7.6mm x 9.4mm x 0.87mm, pad areas 25mm2 | 1 | ||
| Thermal resistance, junction to ambient | RθJA | 625 | /W | 1 | |||
| Operation junction and storage temperature range | TJ,Tstg | -55 | 150 | 1 |
CAD (KiCad official)
- Symbol:
BZT52B3V9S - Footprint:
Diode_SMD:D_SOD-323 - 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files:
bzt52b3v9s-etched.step/bzt52b3v9s-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);bzt52b3v9s.step/bzt52b3v9s.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Slkor(SLKORMICRO Elec.) datasheet (4 pp, sha256
a5445129722ec12c, retrieved 2026-11-04, 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).