# BZX84-C5V6-QR

**Nexperia(安世)** · IC · SOT-23(TO-236AB)

BZX84-C5V6-QR from Nexperia(安世), in a SOT-23(TO-236AB). 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 | Anode of the voltage regulator diode; forms the forward path with cathode pin 3. |
| 2 | n.c. | unconnected | Not connected. |
| 3 | K | passive | Cathode of the voltage regulator diode; the regulated reverse-breakdown terminal, referenced to anode pin 1. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Nexperia(安世) |
| Package | SOT-23(TO-236AB) |
| Category |  |
| 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 |
|---|---|---|---|---|---|---|---|
| Working voltage (C variant, BZX84-C5V6-Q) | VZ | 5.2 |  | 6 | V | IZ = 5 mA | 5 |
| Working voltage tolerance (BZX84-C series) |  | -5 |  | 5 | % | approximately ±5 % (C tolerance series) | 1 |
| Maximum differential resistance | rdif |  |  | 400 | Ω | IZ = 1 mA | 5 |
| Maximum differential resistance | rdif |  |  | 40 | Ω | IZ = 5 mA | 5 |
| Reverse current | IR |  |  | 1 | μA | VR = 2 V | 5 |
| Temperature coefficient | SZ | -2 |  | 2.5 | mV/K | IZ = 5 mA | 5 |
| Diode capacitance | Cd |  |  | 300 | pF | f = 1 MHz; VR = 0 V | 5 |
| Non-repetitive peak reverse current | IZSM |  |  | 6 | A | tp = 100 μs; square wave; Tj = 25 °C | 5 |
| Forward voltage | VF |  |  | 0.9 | V | IF = 10 mA; pulse test tp ≤ 100 μs; δ ≤ 0.02 | 4 |
| Forward current | IF |  |  | 200 | mA |  | 4 |
| Non-repetitive peak reverse power dissipation | PZSM |  |  | 40 | W | tp = 100 μs; square wave; Tj = 25 °C prior to surge | 4 |
| Total power dissipation | Ptot |  |  | 250 | mW | Tamb ≤ 25 °C; device mounted on FR4 PCB, single-sided copper, tin-plated, standard footprint | 4 |
| Junction temperature | Tj |  |  | 150 | °C |  | 4 |
| Ambient temperature | Tamb | -55 |  | 150 | °C |  | 4 |
| Storage temperature | Tstg | -65 |  | 150 | °C |  | 4 |
| Thermal resistance from junction to ambient | Rth(j-a) |  |  | 500 | K/W | in free air; device mounted on FR4 PCB, single-sided 70 µm copper, tin-plated, standard footprint | 4 |
| Thermal resistance from junction to solder point | Rth(j-sp) |  |  | 330 | K/W | soldering point of cathode tab | 4 |

## CAD (KiCad official)

- Symbol: `BZX84-C5V6-QR`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23(TO-236AB) (KiCad packages3D, STEP)
- 3D model files: `bzx84-c5v6-qr-etched.step` / `bzx84-c5v6-qr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `bzx84-c5v6-qr.step` / `bzx84-c5v6-qr.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Nexperia(安世) datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603075128863301632) (14 pp, sha256 `822545bee3cca373`, retrieved 2026-10-17, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-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/bzx84-c5v6-qr-datasheet.pdf)