# LM3Z2V4T1G

**LRC** · Zener Diodes · SOD-323

LM3Z2V4T1G from LRC, in a SOD-323. 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 | CATHODE | passive | Cathode of the Zener diode, indicated by the polarity band; Zener voltage 2.2 V min, 2.4 V nom, 2.6 V max at IZT = 5 mA for LM3Z2V4T1G. |
| 2 | ANODE | passive | Anode of the Zener diode; forward voltage 0.9 V max at IF = 10 mA. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | LRC |
| Package | SOD-323 |
| 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 | VZ | 2.2 | 2.4 | 2.6 | V | @ IZT = 5 mA | 3 |
| Maximum Zener Impedance | ZZT |  |  | 100 | Ω | @ IZT = 5 mA | 3 |
| Maximum Zener Impedance | ZZK |  |  | 1000 | Ω | @ IZK = 0.5 mA | 3 |
| Reverse Leakage Current | IR |  |  | 50 | µA | @ VR = 1.0 V | 3 |
| Temperature Coefficient of VZ | VZ | -3.5 |  | 0 | mV/k | @ IZT = 5 mA | 3 |
| Capacitance | C |  |  | 450 | pF | @ VR = 0, f = 1 MHz | 3 |
| Forward Voltage | VF |  |  | 0.9 | V | @ IF = 10 mA, all types | 2 |
| Total Device Dissipation | PD |  |  | 200 | mW | FR-5 Board, TA = 25°C | 1 |
| Derating above 25°C |  |  |  | 1.5 | mW/°C | Derate above 25°C | 1 |
| Thermal Resistance Junction to Ambient | RθJA |  |  | 635 | °C/W | FR-4 Minimum Pad | 1 |
| Junction and Storage Temperature Range | TJ, Tstg | -65 |  | 150 | °C |  | 1 |

## CAD (KiCad official)

- Symbol: `LM3Z2V4T1G`
- Footprint: `Diode_SMD:D_SOD-323`
- 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files: `lm3z2v4t1g-etched.step` / `lm3z2v4t1g-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm3z2v4t1g.step` / `lm3z2v4t1g.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [LRC datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586187004538703872) (6 pp, sha256 `0b57e4c3ff5c9f5d`, retrieved 2026-10-22, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-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/lm3z2v4t1g-datasheet.pdf)