# SZMM5Z5V6T5GF

**Nexperia** · Zener Diodes · SOD-523

SZMM5Z5V6T5GF from Nexperia, in a SOD-523. 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 of the Zener diode, indicated by the marking bar on the package; non-repetitive peak reverse power dissipation is limited to 40 W (tp = 100 µs) and total power dissipation to 300 mW at Tamb = 25 °C. |
| 2 | A | passive | Anode of the Zener diode, opposite the marked cathode; forward current is limited to 200 mA. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Nexperia |
| Package | SOD-523 |
| 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 |
|---|---|---|---|---|---|---|---|
| Working voltage (nominal 5V6) | VZ | 5.49 |  | 5.71 | V | Tj = 25 °C unless otherwise specified | 4 |
| Differential resistance (nominal 5V6) | rdiff |  |  | 1 | Ω |  | 4 |
| Temperature coefficient (nominal 5V6) | SZ | -2 |  | 2.5 | mV/K | IZ = 5 mA | 4 |
| Reverse current (nominal 5V6, first IR column) | IR |  |  | 400 | µA | VR = 2.0 V | 4 |
| Reverse current (nominal 5V6, second IR column) | IR |  |  | 40 | µA | VR = 2.0 V | 4 |
| Diode capacitance (nominal 5V6) | Cd |  |  | 275 | pF | f = 1 MHz; VR = 0 V | 4 |
| Forward voltage | VF |  |  | 0.9 | V | IF = 10 mA; pulse test tp ≤ 300 μs; δ ≤ 0.02 | 3 |
| Forward voltage | VF |  |  | 1.1 | V | IF = 100 mA; pulse test tp ≤ 300 μs; δ ≤ 0.02 | 3 |
| Forward current | IF |  |  | 200 | mA |  | 3 |
| Non-repetitive peak reverse power dissipation | PZSM |  |  | 40 | W | tp = 100 µs; square wave; Tamb = 25 °C; prior to surge | 3 |
| Total power dissipation | Ptot |  |  | 300 | mW | Tamb = 25 °C | 3 |
| Junction temperature | Tj |  |  | 150 | °C |  | 3 |
| Ambient temperature | Tamb | -55 |  | 150 | °C |  | 3 |
| Storage temperature | Tstg | -65 |  | 150 | °C |  | 3 |
| Thermal resistance from junction to ambient | Rth(j-a) |  |  | 350 | K/W | in free air | 3 |
| Thermal resistance from junction to solder point | Rth(j-sp) |  |  | 65 | K/W |  | 3 |

## CAD (KiCad official)

- Symbol: `SZMM5Z5V6T5GF`
- Footprint: `Diode_SMD:D_SOD-523`
- 3D model: SOD-523 (KiCad packages3D, STEP)
- 3D model files: `szmm5z5v6t5gf-etched.step` / `szmm5z5v6t5gf-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `szmm5z5v6t5gf.step` / `szmm5z5v6t5gf.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Nexperia datasheet](https://assets.nexperia.com/documents/data-sheet/SZMM5Z5V6T5GF.pdf) (10 pp, sha256 `bfa21c62c6ab6258`, retrieved 2026-10-21, tier: manufacturer)
- **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/szmm5z5v6t5gf-datasheet.pdf)