component
BZT52C4V7-E3-08
Public Made by Adomby adom
Vishay Intertech Zener Diodes, SOD-123. 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
markdownBZT52C4V7-E3-08
Vishay Intertech · Zener Diodes · SOD-123
BZT52C4V7-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 (BZT52C4V7, 5 % grade) | VZ | 4.47 | 4.7 | 4.94 | V | IZT1 = 5 mA, pulsed tp = 5 ms | 2 |
| Temperature coefficient of VZ | αVZ | -5 | 2 | 10^-4/°C | 2 | ||
| Power dissipation | Ptot | 500 | mW | RthJL = 250 K/W | 1 | ||
| Power dissipation on FR-4 board | Ptot | 300 | mW | On FR-4 board with recommended soldering footprint | 1 | ||
| Junction temperature | Tj | 150 | °C | 1 | |||
| Storage temperature range | Tstg | -65 | 150 | °C | 1 | ||
| Operating temperature range | Top | -55 | 150 | °C | 1 | ||
| Thermal resistance junction to lead | RthJL | 250 | K/W | 1 | |||
| Thermal resistance junction to ambient | RthJA | 420 | K/W | According to JEDEC 51-3 on FR-4 board with recommended soldering footprint | 1 | ||
| Dynamic resistance at IZT1 | ZZ | 78 | Ω | at IZT1 = 5 mA | 2 | ||
| Dynamic resistance at IZT2 | ZZK | 500 | Ω | at IZT2 = 1 mA | 2 | ||
| Reverse current | IR | 500 | nA | VR column printed as '> 1' (V) | 2 | ||
| Admissible Zener current at Tamb = 45 °C | IZ | 87 | mA | Tamb = 45 °C | 2 | ||
| Admissible Zener current at Tamb = 25 °C | IZ | 99 | mA | Tamb = 25 °C | 2 |
CAD (KiCad official)
- Symbol:
BZT52C4V7-E3-08 - Footprint:
Diode_SMD:D_SOD-123F - 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files:
bzt52c4v7-e3-08-etched.step/bzt52c4v7-e3-08-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);bzt52c4v7-e3-08.step/bzt52c4v7-e3-08.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Vishay Intertech datasheet (7 pp, sha256
88fbcb2f1d090d42, retrieved 2026-11-05, tier: manufacturer) - 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).