component
PMEG4030ER
Public Made by Adomby adom
Nexperia Schottky Diodes, SOD-123. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownPMEG4030ER
Nexperia · Schottky Diodes · SOD-123
PMEG4030ER from Nexperia, in a SOD-123. 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 Schottky barrier diode; the marking bar on the package indicates the cathode. |
| 2 | A | passive | Anode of the Schottky barrier diode. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Nexperia |
| Package | SOD-123 |
| 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 |
|---|---|---|---|---|---|---|---|
| Reverse voltage | VR | 40 | V | Tj = 25 °C | 2 | ||
| Average forward current | IF(AV) | 3 | A | δ = 0.5; f = 20 kHz; square wave; Tamb ≤ 40 °C; footnote [1] | 2 | ||
| Non-repetitive peak forward current | IFSM | 50 | A | tp = 8.3 ms; half sine wave; Tj(init) = 25 °C | 2 | ||
| Total power dissipation | Ptot | 0.57 | W | footnote [2] (FR4 PCB, single-sided copper, standard footprint) | 2 | ||
| Total power dissipation | Ptot | 0.95 | W | footnote [3] (FR4 PCB, mounting pad for cathode 1 cm2) | 2 | ||
| Total power dissipation | Ptot | 1.8 | W | Tamb ≤ 25 °C; footnote [1] (ceramic PCB, Al2O3, standard footprint) | 2 | ||
| Junction temperature | Tj | 150 | °C | 2 | |||
| Ambient temperature | Tamb | -55 | 150 | °C | 2 | ||
| Storage temperature | Tstg | -65 | 150 | °C | 2 | ||
| Forward voltage | VF | 295 | 330 | mV | IF = 0.1 A; Tj = 25 °C | 5 | |
| Forward voltage | VF | 380 | 440 | mV | IF = 1 A; Tj = 25 °C | 5 | |
| Forward voltage | VF | 460 | 540 | mV | IF = 3 A; Tj = 25 °C | 5 | |
| Reverse current | IR | 25 | 100 | µA | VR = 40 V; Tj = 25 °C | 5 | |
| Thermal resistance from junction to ambient in free air | Rth(j-a) | 220 | K/W | footnotes [1][2] (FR4 PCB, single-sided copper, standard footprint) | 3 | ||
| Thermal resistance from junction to ambient in free air | Rth(j-a) | 130 | K/W | footnotes [1][3] (FR4 PCB, mounting pad for cathode 1 cm2) | 3 | ||
| Thermal resistance from junction to ambient in free air | Rth(j-a) | 70 | K/W | footnotes [1][4] (ceramic PCB, Al2O3, standard footprint) | 3 | ||
| Thermal resistance from junction to solder point | Rth(j-sp) | 18 | K/W | footnote [5] (soldering point of cathode tab) | 3 |
CAD (KiCad official)
- Symbol:
PMEG4030ER - Footprint:
Diode_SMD:D_SOD-123F - 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files:
pmeg4030er-etched.step/pmeg4030er-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);pmeg4030er.step/pmeg4030er.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Nexperia datasheet (13 pp, sha256
b07c02ec8a2d4fa3, retrieved 2026-10-17, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-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).