component
SMA5927A
Public Made by Adomby adom
DOWO Zener Diodes, SMA(DO-214AC). 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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SMA5927A
DOWO · Zener Diodes · SMA(DO-214AC)
SMA5927A from DOWO, in a SMA(DO-214AC). 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 | SMA(DO-214AC) |
| 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 tolerance (suffix A) | VZ | -10 | 10 | % | Suffix A = ±10% tolerance | 2 | |
| Maximum zener impedance | ZZT | 6.5 | Ω | @ IZT = 31.2 mA | 2 | ||
| Maximum zener impedance (knee) | ZZK | 550 | Ω | @ IZK = 0.25 mA | 2 | ||
| Maximum reverse leakage current | IR | 1 | μA | @ VR = 9.1 V | 2 | ||
| Maximum DC zener current | IZM | 125 | mA | 2 | |||
| DC power dissipation | PD | 1.5 | Watts | DC power dissipation at TL=75℃, zero lead length (Note 1: mounted on Cu-pad 5mm x 5mm x 1.6mm on PCB); derate above 75℃ value not printed | 1 | ||
| Operating junction temperature range | TJ | -55 | 150 | ℃ | 1 | ||
| Storage temperature range | TSTG | -55 | 150 | ℃ | 1 | ||
| Nominal zener voltage | VZ | 12 | V | @ IZT = 31.2 mA | 2 | ||
| Zener test current | IZT | 31.2 | mA | 2 |
CAD (KiCad official)
- Symbol:
SMA5927A - Footprint:
Diode_SMD:D_SMA - 3D model: SMA(DO-214AC) (KiCad packages3D, STEP)
- 3D model files:
sma5927a-etched.step/sma5927a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sma5927a.step/sma5927a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: DOWO datasheet (3 pp, sha256
8030c9a1bb74ce7a, 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).
# SMA5927A
**DOWO** · Zener Diodes · SMA(DO-214AC)
SMA5927A from DOWO, in a SMA(DO-214AC). 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 | SMA(DO-214AC) |
| 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 tolerance (suffix A) | VZ | -10 | | 10 | % | Suffix A = ±10% tolerance | 2 |
| Maximum zener impedance | ZZT | | | 6.5 | Ω | @ IZT = 31.2 mA | 2 |
| Maximum zener impedance (knee) | ZZK | | | 550 | Ω | @ IZK = 0.25 mA | 2 |
| Maximum reverse leakage current | IR | | | 1 | μA | @ VR = 9.1 V | 2 |
| Maximum DC zener current | IZM | | | 125 | mA | | 2 |
| DC power dissipation | PD | | | 1.5 | Watts | DC power dissipation at TL=75℃, zero lead length (Note 1: mounted on Cu-pad 5mm x 5mm x 1.6mm on PCB); derate above 75℃ value not printed | 1 |
| Operating junction temperature range | TJ | -55 | | 150 | ℃ | | 1 |
| Storage temperature range | TSTG | -55 | | 150 | ℃ | | 1 |
| Nominal zener voltage | VZ | | 12 | | V | @ IZT = 31.2 mA | 2 |
| Zener test current | IZT | | 31.2 | | mA | | 2 |
## CAD (KiCad official)
- Symbol: `SMA5927A`
- Footprint: `Diode_SMD:D_SMA`
- 3D model: SMA(DO-214AC) (KiCad packages3D, STEP)
- 3D model files: `sma5927a-etched.step` / `sma5927a-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sma5927a.step` / `sma5927a.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [DOWO datasheet](docs/sma5927a-datasheet.pdf) (3 pp, sha256 `8030c9a1bb74ce7a`, 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/sma5927a-datasheet.pdf)