# SMAJ5927B-TP

**MCC(Micro Commercial Components)** · Zener Diodes · SMA(DO-214AC)

SMAJ5927B-TP from MCC(Micro Commercial Components), 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 | MCC(Micro Commercial Components) |
| 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 |
|---|---|---|---|---|---|---|---|
| VZ tolerance (B suffix) | VZ | -5 |  | 5 | % | B suffix; datasheet features state VZ tolerance 5% | 1 |
| Maximum dynamic impedance | ZZT |  |  | 6.5 | OHMS | @ IZT = 31.2 mA | 2 |
| Maximum reverse current | IR |  |  | 1 | µA | @ VR = 9.1 V | 2 |
| DC power dissipation |  |  |  | 1.5 | Watt | DC power dissipation | 1 |
| Junction temperature |  |  |  | 150 |  |  | 1 |
| Storage temperature |  | -65 |  | 175 |  |  | 1 |
| Zener voltage (nominal) | VZ |  | 12 |  | VOLTS | @ IZT = 31.2 mA | 2 |
| Thermal resistance junction to lead |  |  | 50 |  | /W | Junction to lead | 1 |
| Thermal resistance junction to ambient |  |  | 83 |  | /W | Junction to ambient | 1 |

## CAD (KiCad official)

- Symbol: `SMAJ5927B-TP`
- Footprint: `Diode_SMD:D_SMA`
- 3D model: SMA(DO-214AC) (KiCad packages3D, STEP)
- 3D model files: `smaj5927b-tp-etched.step` / `smaj5927b-tp-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `smaj5927b-tp.step` / `smaj5927b-tp.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [MCC(Micro Commercial Components) datasheet](docs/smaj5927b-tp-datasheet.pdf) (5 pp, sha256 `2ea85a9b57fab1b3`, 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/smaj5927b-tp-datasheet.pdf)