Nexperia USA Inc. PMEG3020EPAS-QX

Overview

PMEG3020EPAS-QX from Nexperia is a 30 V, 2 A AEC-Q101-qualified MEGA Schottky barrier rectifier in DFN2020D-3 (SOT1061D) package, featuring low 410–470 mV forward voltage at 2 A, ≤2500 µA reverse leakage at 30 V, and integrated guard ring for stress protection - deployed in automotive-grade DC-DC converters and reverse polarity protection circuits.

For engineers reviewing the PMEG3020EPAS-QX datasheet, PMEG3020EPAS-QX pinout, PMEG3020EPAS-QX application, or PMEG3020EPAS-QX equivalent, this page delivers verified thermal resistance (12 K/W junction-to-solder-point), dual-anode configuration, ultra-thin 0.65 mm profile, and AOI-compatible side pads - all critical for space-constrained, high-reliability power designs.

Technical Context

This Schottky rectifier uses planar MEGA technology with an integrated guard ring to suppress edge breakdown and improve ruggedness under transient stress. Its low VF stems from optimized metal-semiconductor interface and thin epitaxial layer design, enabling high efficiency in low-voltage (<30 V) switching paths.

The device operates with two electrically parallel anode terminals (Pins 1 & 2) and one cathode terminal (Pin 3), supporting up to 7 A repetitive peak forward current when both anodes are connected. Thermal performance is optimized via exposed cathode pad - delivering 12 K/W R_th(j-sp) when soldered to a 1 cm² copper pad on FR4.

Key Specifications

Pinout & Package

Encapsulated in ultra-thin DFN2020D-3 (SOT1061D) package: 2.0 × 2.0 × 0.65 mm body, leadless, with visible and solderable side pads for AOI compatibility and enhanced thermal transfer via exposed cathode pad.

Key Features

Applications

Equivalent & Alternatives

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

Compared with RB055LAM-40 and SS23H, PMEG3020EPAS-QX uniquely combines 2 A current capability, 410 mV ultra-low VF, AEC-Q101 qualification, and 0.65 mm ultra-thin DFN packaging - making it the only option meeting all four requirements for space- and reliability-critical automotive power stages.

Availability

PMEG3020EPAS-QX is available at Aetrix Electronics and suitable for automotive infotainment systems, USB-C PD adapters, and industrial sensor nodes requiring stable component supply, long-term lifecycle support, and AEC-Q101 compliance.

Supply support for PMEG3020EPAS-QX 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 essential semiconductors - delivering high-performance, reliable discrete, logic, and MOSFET devices for automotive, industrial, and consumer markets.

The MEGA Schottky series targets high-efficiency, low-VF rectification in space-constrained power supplies - engineered specifically for automotive-grade reliability and thermal performance in DC-DC and SMPS applications.

FAQ

Is PMEG3020EPAS-QX pin-compatible with standard SOD-123 or SMA Schottky diodes?

No. PMEG3020EPAS-QX uses a 3-pin DFN2020D-3 (SOT1061D) package with dual anodes and exposed cathode pad - incompatible with 2-pin SOD-123 or SMA footprints. Its layout requires dedicated land pattern per Figure 17 in the datasheet, including side-wettable flanks and 1 cm² cathode copper pour.

What is the maximum allowable solder point temperature for PMEG3020EPAS-QX during reflow?

The absolute maximum solder point temperature is not specified separately, but the device is qualified for standard lead-free reflow profiles with peak temperatures up to 260 °C (per J-STD-020). The limiting factor is junction temperature: sustained T_sp > 140 °C reduces average forward current to 2 A, and >135 °C limits pulsed current to 2.8 A per Table 5.

Does the guard ring affect electrical parameters like capacitance or leakage?

Yes - the guard ring increases diode capacitance slightly (55 pF @ 10 V vs. ~45 pF in non-guarded equivalents) but suppresses edge-related leakage, resulting in more stable IR across temperature and voltage. Measured reverse current remains within 435–2500 µA at 30 V, with minimal drift up to 125 °C.

Can both anode pins be used independently in split-current paths?

No. Pins 1 and 2 are internally shorted anodes - using them separately violates the design and risks current imbalance, localized heating, and premature failure. They must be connected in parallel on the PCB to achieve rated 2 A average current and 7 A repetitive peak current.