Nexperia USA Inc. PMEG3020CPASX

Overview

PMEG3020CPASX from Nexperia is a dual common-cathode Schottky barrier rectifier optimized for low-voltage, high-efficiency power conversion. It delivers 2 A average forward current per diode at ≤440 mV forward voltage (IF = 2 A, Tj = 25 °C), supports up to 30 V reverse voltage, and features an ultra-thin DFN2020D-3 (SOT1061D) package with exposed cathode pad for thermal management - widely used in mobile battery chargers and DC-DC converters.

For engineers reviewing the PMEG3020CPASX datasheet, PMEG3020CPASX pinout, PMEG3020CPASX application, or PMEG3020CPASX equivalent, key selection criteria include low VF performance under pulsed 2 A load, AEC-Q101 qualification for automotive-grade reliability, thermal resistance to solder point (12 K/W), and compatibility with AOI inspection due to visible side pads.

Technical Context

This dual Schottky rectifier uses planar MEGA technology with an integrated guard ring for robust stress protection. Its common-cathode configuration enables compact dual-diode integration in a single 2 × 2 × 0.65 mm DFN package, eliminating need for separate cathode routing on PCB.

The device operates with negligible reverse recovery (trr = 4 ns typical) and low junction-to-solder-point thermal resistance (12 K/W), enabling high-power-density designs in space-constrained applications like portable LED backlighting and USB-powered SMPS where thermal dissipation and fast switching are critical.

Key Specifications

Pinout & Package

Encapsulated in the ultra-thin DFN2020D-3 (SOT1061D) leadless plastic package, this dual Schottky rectifier features visible and solderable side pads and an exposed cathode thermal pad on the bottom surface for enhanced heat transfer and electrical grounding.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual Schottky rectifier applications.

Compared with RB055LAM-40TR and SS32H, PMEG3020CPASX uniquely combines dual common-cathode topology, AEC-Q101 qualification, 12 K/W thermal resistance, and AOI-ready packaging - making it the only option for space-constrained, thermally demanding, and automotive-compliant dual-rectifier designs.

Availability

PMEG3020CPASX is available at Aetrix Electronics and suitable for mobile battery chargers, USB-C power delivery adapters, LED backlight drivers, and industrial DC-DC modules requiring stable component supply across production lifecycles.

Supply support for PMEG3020CPASX includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Nexperia is a global semiconductor expert focused on high-volume, high-reliability discrete and logic devices, with leadership in Schottky rectifiers, ESD protection, and automotive-qualified components.

The MEGA Schottky series targets high-efficiency power conversion in portable and automotive electronics, emphasizing low VF, robust transient immunity, and manufacturability in ultra-compact packages like DFN2020D-3.

FAQ

What is the maximum allowable solder point temperature for PMEG3020CPASX during reflow?

The device supports peak reflow temperatures up to 260 °C for 30 seconds per JEDEC J-STD-020, with solder point (Tsp) limiting values specified up to 135 °C for continuous 2 A operation. Thermal design must ensure Tsp remains ≤135 °C under worst-case ambient conditions using the 12 K/W Rth(j-sp) value and appropriate copper area.

Does PMEG3020CPASX support reverse polarity protection in battery-powered systems?

Yes - its common-cathode configuration allows direct placement between battery terminal and system ground, blocking reverse current flow when polarity is inverted. With IR ≤2000 µA at 30 V, it adds <1 mW standby loss in 12 V systems, making it suitable for always-on backup power paths.

How does the guard ring improve reliability in high-humidity environments?

The integrated guard ring prevents surface leakage currents and edge-initiated avalanche breakdown under bias stress in humid conditions (85 °C/85% RH). This feature extends operational lifetime beyond 1000 hours in THB (Temperature-Humidity-Bias) testing, a requirement for automotive infotainment power supplies.

Can PMEG3020CPASX replace two discrete SOD-123 Schottky diodes in existing layouts?

No - its DFN2020D-3 footprint (2 × 2 mm) is incompatible with SOD-123 (3.5 × 1.6 mm) land patterns. However, the dual-diode integration reduces total board area by ~55% versus two SOD-123 devices, requiring new PCB layout but enabling higher power density and improved thermal coupling via shared cathode pad.