# 1N4148WX-TP

**MCC Micro Commercial Components** · Switching Diodes · SOD-323

1N4148WX-TP from MCC Micro Commercial Components, 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 | 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 | 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 |
|---|---|---|---|---|---|---|---|
| Average Rectified Output Current | Io |  |  | 150 | mA | @ 25°C | 1 |
| Peak Forward Surge Current | IFSM |  |  | 2 | A | t=1us | 1 |
| Power Dissipation | PD |  |  | 200 | mW |  | 1 |
| RMS Reverse Voltage | VR(RMS) |  |  | 71 | V |  | 1 |
| Peak Repetitive Reverse Voltage | VRM |  |  | 100 | V |  | 1 |
| Operation/Storage Temperature Range | Tj, TSTG | -55 |  | 150 | °C |  | 1 |
| Thermal Resistance | RJA |  |  | 625 | K/W |  | 1 |
| Maximum Instantaneous Forward Voltage | VF |  |  | 1 | V | IF = 50mA; TJ = 25°C (Note 1) | 1 |
| Maximum DC Reverse Current | IR |  |  | 25 | nA | VR=20Volts, TJ = 25°C | 1 |
| Maximum DC Reverse Current | IR |  |  | 50 | µA | VR=20Volts, TJ = 150°C | 1 |
| Maximum DC Reverse Current | IR |  |  | 1 | µA | VR=75V, TJ=25°C | 1 |
| Maximum Reverse Recovery Time | Trr |  |  | 4 | nS | IF=50mA, Irr=0.1IR, RL=100Ω | 1 |
| Typical Junction Capacitance | CJ |  | 4 |  | pF | VF=VR=0V | 1 |

## CAD (KiCad official)

- Symbol: `1N4148WX-TP`
- Footprint: `Diode_SMD:D_SOD-323`
- 3D model: SOD-323 (KiCad packages3D, STEP)
- 3D model files: `1n4148wx-tp-etched.step` / `1n4148wx-tp-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `1n4148wx-tp.step` / `1n4148wx-tp.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [MCC Micro Commercial Components datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588883963851255808) (3 pp, sha256 `46e1f154a94694b2`, retrieved 2026-10-22, 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/1n4148wx-tp-datasheet.pdf)