component
BZT52B39
Public Made by Adomby adom
POPPULA 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.
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BZT52B39
POPPULA · Zener Diodes · SOD-123
BZT52B39 from POPPULA, 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 | POPPULA |
| 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 (nominal, min, max at IZT) | Vz | 38.22 | 39 | 39.78 | V | IZT = 2 mA; *1 pulse width = 10 ms | 2 |
| Power Dissipation (diode on ceramic substrate 0.7mm, 2.5mm2 pad areas) | PD | 410 | mW | Diode on ceramic substrate 0.7mm, 2.5mm2 pad areas; Ta = 25 ℃ | 1 | ||
| Power Dissipation (diode on ceramic substrate 0.7mm, 5mm2 pad areas) | PD | 500 | mW | Diode on ceramic substrate 0.7mm, 5mm2 pad areas; Ta = 25 ℃ | 1 | ||
| Junction Temperature | TJ | 150 | ℃ | Ta = 25 ℃ | 1 | ||
| Storage Temperature | TSTG | -55 | 150 | ℃ | 1 | ||
| Dynamic impedance at IZT | ZZT | 130 | Ω | at IZT = 2 mA; *1 pulse width = 10 ms | 2 | ||
| Dynamic impedance at IZK | ZZK | 350 | Ω | at IZK = 0.5 mA | 2 | ||
| Knee current (Izk) | IZK | 0.5 | mA | 2 | |||
| Reverse leakage current | IR | 0.1 | uA | at VR = 27.3 V | 2 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | tin | ◇ Matte Tin (Sn) Lead finish ◇ Cathode Band / Device marking | 1 |
CAD (KiCad official)
- Symbol:
BZT52B39 - Footprint:
Diode_SMD:D_SOD-123F - 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files:
bzt52b39-etched.step/bzt52b39-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);bzt52b39.step/bzt52b39.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: POPPULA datasheet (5 pp, sha256
563cf20c1168b263, retrieved 2026-10-17, 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).
# BZT52B39
**POPPULA** · Zener Diodes · SOD-123
BZT52B39 from POPPULA, 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 | POPPULA |
| 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 (nominal, min, max at IZT) | Vz | 38.22 | 39 | 39.78 | V | IZT = 2 mA; *1 pulse width = 10 ms | 2 |
| Power Dissipation (diode on ceramic substrate 0.7mm, 2.5mm2 pad areas) | PD | | | 410 | mW | Diode on ceramic substrate 0.7mm, 2.5mm2 pad areas; Ta = 25 ℃ | 1 |
| Power Dissipation (diode on ceramic substrate 0.7mm, 5mm2 pad areas) | PD | | | 500 | mW | Diode on ceramic substrate 0.7mm, 5mm2 pad areas; Ta = 25 ℃ | 1 |
| Junction Temperature | TJ | | | 150 | ℃ | Ta = 25 ℃ | 1 |
| Storage Temperature | TSTG | -55 | | 150 | ℃ | | 1 |
| Dynamic impedance at IZT | ZZT | | 130 | | Ω | at IZT = 2 mA; *1 pulse width = 10 ms | 2 |
| Dynamic impedance at IZK | ZZK | | 350 | | Ω | at IZK = 0.5 mA | 2 |
| Knee current (Izk) | IZK | | 0.5 | | mA | | 2 |
| Reverse leakage current | IR | | 0.1 | | uA | at VR = 27.3 V | 2 |
## Materials and finish
As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | | tin | ◇ Matte Tin (Sn) Lead finish ◇ Cathode Band / Device marking | 1 |
## CAD (KiCad official)
- Symbol: `BZT52B39`
- Footprint: `Diode_SMD:D_SOD-123F`
- 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files: `bzt52b39-etched.step` / `bzt52b39-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bzt52b39.step` / `bzt52b39.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [POPPULA datasheet](docs/bzt52b39-datasheet.pdf) (5 pp, sha256 `563cf20c1168b263`, retrieved 2026-10-17, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `cathode-band convention` (convention), consensus `off` (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).
[Datasheet PDF](docs/bzt52b39-datasheet.pdf)