component
BZX584C3V9
Public Made by Adomby adom
Changjiang Electronics Tech (CJ) Zener Diodes, SOD-523. 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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BZX584C3V9
Changjiang Electronics Tech (CJ) · Zener Diodes · SOD-523
BZX584C3V9 from Changjiang Electronics Tech (CJ), in a SOD-523. 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 | Changjiang Electronics Tech (CJ) |
| Package | SOD-523 |
| 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 3.9 V; range 3.7 to 4.1 V) | VZ | 3.7 | 3.9 | 4.1 | V | @ IZT = 5 mA | 2 |
| Maximum Zener impedance | ZZT | 90 | Ω | @ IZT = 5 mA | 2 | ||
| Maximum Zener impedance | ZZK | 600 | Ω | @ IZK = 1.0 mA | 2 | ||
| Maximum reverse current | IR | 3 | μA | @ VR = 1.0 V | 2 | ||
| Typical temperature coefficient (min column) | θVZ | -3.5 | mV/°C | Typical temperature coefficient @ IZT | 2 | ||
| Typical temperature coefficient (max column) | θVZ | 0 | mV/°C | Typical temperature coefficient @ IZT | 2 | ||
| Power dissipation | PD | 150 | mW | Maximum Ratings, Ta=25℃ | 1 | ||
| Forward voltage | VF | 0.9 | V | @ IF = 10 mA | 1 | ||
| Operating junction and storage temperature range | TJ,Tstg | -55 | 150 | ℃ | 1 | ||
| Thermal resistance, junction to ambient | RθJA | 833 | /W | Valid provided device terminals are kept at ambient temperature (Note 1) | 1 |
CAD (KiCad official)
- Symbol:
BZX584C3V9 - Footprint:
Diode_SMD:D_SOD-523 - 3D model: SOD-523 (KiCad packages3D, STEP)
- 3D model files:
bzx584c3v9-etched.step/bzx584c3v9-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);bzx584c3v9.step/bzx584c3v9.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Changjiang Electronics Tech (CJ) datasheet (5 pp, sha256
6644c67e2e9e0dfc, retrieved 2026-10-21, 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).
# BZX584C3V9
**Changjiang Electronics Tech (CJ)** · Zener Diodes · SOD-523
BZX584C3V9 from Changjiang Electronics Tech (CJ), in a SOD-523. 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 | Changjiang Electronics Tech (CJ) |
| Package | SOD-523 |
| 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 3.9 V; range 3.7 to 4.1 V) | VZ | 3.7 | 3.9 | 4.1 | V | @ IZT = 5 mA | 2 |
| Maximum Zener impedance | ZZT | | | 90 | Ω | @ IZT = 5 mA | 2 |
| Maximum Zener impedance | ZZK | | | 600 | Ω | @ IZK = 1.0 mA | 2 |
| Maximum reverse current | IR | | | 3 | μA | @ VR = 1.0 V | 2 |
| Typical temperature coefficient (min column) | θVZ | -3.5 | | | mV/°C | Typical temperature coefficient @ IZT | 2 |
| Typical temperature coefficient (max column) | θVZ | | | 0 | mV/°C | Typical temperature coefficient @ IZT | 2 |
| Power dissipation | PD | | | 150 | mW | Maximum Ratings, Ta=25℃ | 1 |
| Forward voltage | VF | | | 0.9 | V | @ IF = 10 mA | 1 |
| Operating junction and storage temperature range | TJ,Tstg | -55 | | 150 | ℃ | | 1 |
| Thermal resistance, junction to ambient | RθJA | | | 833 | /W | Valid provided device terminals are kept at ambient temperature (Note 1) | 1 |
## CAD (KiCad official)
- Symbol: `BZX584C3V9`
- Footprint: `Diode_SMD:D_SOD-523`
- 3D model: SOD-523 (KiCad packages3D, STEP)
- 3D model files: `bzx584c3v9-etched.step` / `bzx584c3v9-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bzx584c3v9.step` / `bzx584c3v9.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Changjiang Electronics Tech (CJ) datasheet](docs/bzx584c3v9-datasheet.pdf) (5 pp, sha256 `6644c67e2e9e0dfc`, retrieved 2026-10-21, 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/bzx584c3v9-datasheet.pdf)