component
BZT52B7V5S
Public Made by Adomby adom
MDD Microdiode Semiconductor Zener Diodes, SOD-323. 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
markdownBZT52B7V5S
MDD Microdiode Semiconductor · Zener Diodes · SOD-323
BZT52B7V5S from MDD Microdiode Semiconductor, 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 | MDD Microdiode Semiconductor |
| 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 Min | VZT | 7.35 | 7.5 | 7.65 | V | at IZT = 5 mA, pulse 20 ms | 2 |
| Test Current | IZT | 5 | mA | 2 | |||
| Dynamic Impedance | ZZT | 30 | Ω | at IZT | 2 | ||
| Reverse Current | IR | 0.5 | μA | at VR = 4 V | 2 | ||
| Forward Voltage | VF | 0.9 | V | IF = 10mA (Note 2) | 1 | ||
| Power Dissipation | Pd | 30 | mW | Note 1, Ta=25℃ | 1 | ||
| Thermal resistance junction to ambient | RθJA | 17 | /W | Typical, PCB mounted with 5 x 5 cm copper pads | 1 | ||
| Junction Temperature | Tj | 150 | ℃ | 1 | |||
| Storage Temperature Range | Tstg | -55 | 150 | ℃ | 1 |
CAD (KiCad official)
- Symbol:
BZT52B7V5S - Footprint:
Diode_SMD:D_SOD-323 - 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files:
bzt52b7v5s-etched.step/bzt52b7v5s-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);bzt52b7v5s.step/bzt52b7v5s.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: MDD Microdiode Semiconductor datasheet (6 pp, sha256
04b9ab53552d5eb1, retrieved 2026-10-22, 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).