component
SMAJ5934B
Public Made by Adomby adom
DOWO Zener Diodes, DO-214AC(SMA). 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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SMAJ5934B
DOWO · Zener Diodes · DO-214AC(SMA)
SMAJ5934B from DOWO, in a DO-214AC(SMA). 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 | DOWO |
| Package | DO-214AC(SMA) |
| 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 impedance at IZT | ZZT | 19 | Ω | @ IZT = 15.6 mA | 1 | ||
| Zener impedance at IZK | ZZK | 700 | Ω | @ IZK = 0.25 mA | 1 | ||
| Reverse leakage current | IR | 0.5 | μA | @ VR = 18.2 V | 1 | ||
| Maximum Zener current | IZM | 62 | mA | 1 | |||
| Zener voltage tolerance (standard) | -5 | 5 | % | Standard tolerance on nominal zener voltage, per note (1) | 1 | ||
| Nominal zener voltage | VZ | 24 | V | @ IZT = 15.6 mA | 1 | ||
| Maximum forward voltage | VF | 1.5 | V | IF = 200 mA | 1 | ||
| DC power dissipation | PD | 1.5 | W | TL = 75 °C | 1 | ||
| Junction temperature range | TJ | -55 | 175 | °C | 1 | ||
| Storage temperature range | TSTG | -55 | 175 | °C | 1 |
CAD (KiCad official)
- Symbol:
SMAJ5934B - Footprint:
Diode_SMD:D_SMA - 3D model: DO-214AC(SMA) (KiCad packages3D, STEP)
- 3D model files:
smaj5934b-etched.step/smaj5934b-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);smaj5934b.step/smaj5934b.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: DOWO datasheet (2 pp, sha256
20ab1e7588168475, 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).
# SMAJ5934B
**DOWO** · Zener Diodes · DO-214AC(SMA)
SMAJ5934B from DOWO, in a DO-214AC(SMA). 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 | DOWO |
| Package | DO-214AC(SMA) |
| 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 impedance at IZT | ZZT | | | 19 | Ω | @ IZT = 15.6 mA | 1 |
| Zener impedance at IZK | ZZK | | | 700 | Ω | @ IZK = 0.25 mA | 1 |
| Reverse leakage current | IR | | | 0.5 | μA | @ VR = 18.2 V | 1 |
| Maximum Zener current | IZM | | | 62 | mA | | 1 |
| Zener voltage tolerance (standard) | | -5 | | 5 | % | Standard tolerance on nominal zener voltage, per note (1) | 1 |
| Nominal zener voltage | VZ | | 24 | | V | @ IZT = 15.6 mA | 1 |
| Maximum forward voltage | VF | | | 1.5 | V | IF = 200 mA | 1 |
| DC power dissipation | PD | | | 1.5 | W | TL = 75 °C | 1 |
| Junction temperature range | TJ | -55 | | 175 | °C | | 1 |
| Storage temperature range | TSTG | -55 | | 175 | °C | | 1 |
## CAD (KiCad official)
- Symbol: `SMAJ5934B`
- Footprint: `Diode_SMD:D_SMA`
- 3D model: DO-214AC(SMA) (KiCad packages3D, STEP)
- 3D model files: `smaj5934b-etched.step` / `smaj5934b-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `smaj5934b.step` / `smaj5934b.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [DOWO datasheet](docs/smaj5934b-datasheet.pdf) (2 pp, sha256 `20ab1e7588168475`, 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/smaj5934b-datasheet.pdf)