# AD-BZX84C5V6

**Changjing** · Zener Diodes · SOT-23

AD-BZX84C5V6 from Changjing, in a SOT-23. 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 | A | passive | Zener anode, shown in the equivalent circuit as the lower end of the diode on pin 1. |
| 2 | NC | unconnected | Not connected internally; the equivalent circuit shows no internal connection to this pin. |
| 3 | K | passive | Zener cathode; AD-BZX84C5V6 has VZ of 5.2 V min, 5.6 V nom and 6.0 V max at IZT = 5 mA. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Changjing |
| Package | SOT-23 |
| Category | Diodes |
| Pins | 3 |

## 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 (minimum) | VZ | 5.2 |  |  | V | @ IZT = 5mA; pulsed (note 1) | 2 |
| Zener voltage (maximum) | VZ |  |  | 6 | V | @ IZT = 5mA; pulsed (note 1) | 2 |
| Maximum Zener impedance | ZZT |  |  | 40 | Ω | @ IZT = 5mA; f = 1kHz (note 3) | 2 |
| Maximum Zener impedance (knee) | ZZK |  |  | 400 | Ω | @ IZK = 1.0mA; f = 1kHz (note 3) | 2 |
| Maximum reverse current | IR |  |  | 1 | µA | VR = 2.0 V | 2 |
| Temperature coefficient of Zener voltage (minimum) |  | -2 |  |  | mV/°C | @ IZT = 5mA | 2 |
| Temperature coefficient of Zener voltage (maximum) |  |  |  | 2.5 | mV/°C | @ IZT = 5mA | 2 |
| Nominal Zener voltage | VZ |  | 5.6 |  | V | @ IZT = 5mA | 2 |
| Forward voltage | VF |  |  | 0.9 | V | @ IF = 10mA; pulsed (note 1) | 1 |
| Power dissipation | PD |  |  | 300 | mW |  | 1 |
| Thermal resistance, junction to ambient | RθJA |  |  | 417 | °C/W | Mounted on 1 inch² FR-4, 1oz single-side Cu, still air, Ta = 25°C (note 2) | 1 |
| Operating junction and storage temperature range | Tj, Tstg | -55 |  | 150 | °C |  | 1 |

## CAD (KiCad official)

- Symbol: `AD-BZX84C5V6`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `ad-bzx84c5v6-etched.step` / `ad-bzx84c5v6-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ad-bzx84c5v6.step` / `ad-bzx84c5v6.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Changjing datasheet](docs/ad-bzx84c5v6-datasheet.pdf) (6 pp, sha256 `4e1c9b104437e291`, retrieved 2026-10-31, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-opus-5-5` (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/ad-bzx84c5v6-datasheet.pdf)