component

PMEG4030ER

Public Made by Adom

by adom

Nexperia Schottky Diodes, SOD-123. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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PMEG4030ER

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.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); pmeg4030er.step / pmeg4030er.glb are 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, 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