component
BZT52C33-E3-08
Public Made by Adomby adom
Vishay Intertech 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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README
markdownBZT52C33-E3-08
Vishay Intertech · Zener Diodes · SOD-123
BZT52C33-E3-08 from Vishay Intertech, 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 | Vishay Intertech |
| 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 | VZ | 31 | 33 | 35 | V | IZT1 = 5 mA; pulses tp = 5 ms | 2 |
| Reverse voltage VR at IR | VR | 25 | V | IR = 100 nA; printed as > 25 V | 2 | ||
| Dynamic resistance ZZ at IZT1 | ZZ | 40 | 80 | Ω | IZT1 = 5 mA; printed as 40 (< 80) | 2 | |
| Dynamic resistance ZZK at IZT2 | ZZK | 250 | Ω | IZT2 = 1 mA; printed as < 250 | 2 | ||
| Temperature coefficient of Zener voltage | 8 | 10 | 10^-4/°C | 2 | |||
| Power dissipation Ptot | Ptot | 500 | mW | Diode on ceramic substrate 0.7 mm; 5 mm2 pad areas | 1 | ||
| Power dissipation Ptot | Ptot | 410 | mW | Diode on ceramic substrate 0.7 mm; 2.5 mm2 pad areas | 1 | ||
| Thermal resistance junction to ambient air | RthJA | 300 | K/W | Valid provided that electrodes are kept at ambient temperature | 1 | ||
| Junction temperature | Tj | 150 | °C | 1 | |||
| Storage temperature range | Tstg | -65 | 150 | °C | 1 | ||
| Operating temperature range | Top | -55 | 150 | °C | 1 |
CAD (KiCad official)
- Symbol:
BZT52C33-E3-08 - Footprint:
Diode_SMD:D_SOD-123F - 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files:
bzt52c33-e3-08-etched.step/bzt52c33-e3-08-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);bzt52c33-e3-08.step/bzt52c33-e3-08.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Vishay Intertech datasheet (8 pp, sha256
5fabfd6f4404b037, 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).