component
BZT52C3V9T1G
Public Made by Adomby adom
MOT 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.
Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
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| bzt52c3v9t1g-etched.step | 9h ago |
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BZT52C3V9T1G
MOT · Zener Diodes · SOD-123
BZT52C3V9T1G from MOT, 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 | MOT |
| 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 | 3.71 | V | IZ=5mA | 2 | ||
| Zener voltage (MAX) | VZ | 4.09 | V | IZ=5mA | 2 | ||
| Zener voltage (NOM) | VZ | 3.9 | V | IZ=5mA | 2 | ||
| Typical temperature coefficient | -3.5 | 0 | mV/℃ | IZ=5mA | 2 | ||
| Dynamic impedance at IZ1 | ZZ | 600 | IZ1=1mA | 2 | |||
| Dynamic impedance at IZ2 | ZZ | 90 | IZ2=5mA | 2 | |||
| Dynamic impedance at IZ3 | ZZ | 30 | IZ3=20mA | 2 | |||
| Reverse leakage current | IR | 0.5 | uA | VR=1 V | 2 | ||
| Forward voltage | VF | 0.85 | V | IF=10mA | 1 | ||
| Total power dissipation | PD | 500 | mW | Tamb=25℃ | 1 | ||
| Thermal resistance junction-to-ambient (first value) | RθJA | 556 | ℃/W | 1 | |||
| Thermal resistance junction-to-ambient (second value) | RθJA | 417 | ℃/W | 1 | |||
| Maximum operating junction temperature | Tj | 150 | ℃ | 1 | |||
| Storage temperature | Tstg | -55 | 150 | ℃ | 1 |
CAD (KiCad official)
- Symbol:
BZT52C3V9T1G - Footprint:
Diode_SMD:D_SOD-123F - 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files:
bzt52c3v9t1g-etched.step/bzt52c3v9t1g-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);bzt52c3v9t1g.step/bzt52c3v9t1g.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: MOT datasheet (5 pp, sha256
7f647f3c8e84fff3, retrieved 2026-10-18, tier: lcsc) - Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- 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).