Nexperia USA Inc. PMEG2020CPA,115

Overview

PMEG2020CPA from Nexperia is a dual common-cathode Schottky barrier rectifier in a leadless DFN2020-3 (SOT1061) package, designed for low-voltage, high-efficiency DC/DC conversion and reverse polarity protection. It delivers 2 A average forward current per diode at ≤420 mV forward voltage (IF = 2 A, Tj = 25 °C), with 20 V reverse voltage rating and AEC-Q101 qualification for automotive-grade reliability.

For engineers reviewing the PMEG2020CPA datasheet, PMEG2020CPA pinout, PMEG2020CPA application, or PMEG2020CPA equivalent, key selection criteria include its ultra-low VF for minimal conduction loss, integrated guard ring for surge robustness, exposed cathode pad for thermal management, and dual-diode configuration enabling compact redundant or complementary rectification topologies.

Technical Context

This dual Schottky rectifier uses planar junction technology with an integrated guard ring to suppress edge breakdown under transient stress. Its common-cathode topology allows independent anode control while sharing a thermally optimized cathode pad - critical for bidirectional power path designs and synchronous rectifier auxiliary paths.

The device operates within a −55 °C to 150 °C junction temperature range and supports reflow-only soldering. Thermal resistance to ambient varies from 70 K/W (on ceramic PCB) to 250 K/W (on standard FR4), directly linking layout-dependent thermal performance to sustained 2 A operation.

Key Specifications

Pinout & Package

Encapsulated in a 2.0 mm × 2.0 mm × 0.65 mm DFN2020-3 (SOT1061) leadless plastic package with exposed cathode pad (CC) for thermal and electrical grounding. The package features 1.3 mm pitch and is qualified for reflow soldering only.

Key Features

Applications

Equivalent & Alternatives

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

Compared with RB055LAM-40TR and SS22H, PMEG2020CPA uniquely combines AEC-Q101 qualification, 2 A per diode capability in a 4 mm² footprint, and 12 K/W junction-to-solder-point thermal resistance - making it the only option supporting automotive-grade 2 A dual rectification in thermally dense modules.

Availability

PMEG2020CPA is available at Aetrix Electronics and suitable for USB-C power delivery input stages, automotive body control modules, portable medical device chargers, and industrial IoT sensor node power paths requiring stable component supply and long-term lifecycle support.

Supply support for PMEG2020CPA 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 automotive-qualified components and advanced packaging.

PMEG2020CPA belongs to Nexperia's AEC-Q101-qualified Schottky rectifier product line, engineered specifically for low-VF, high-current efficiency in automotive and portable power systems where thermal density and transient robustness are critical.

FAQ

Is PMEG2020CPA suitable for reflow soldering only?

Yes - the datasheet explicitly states reflow soldering is the only recommended method. Wave or hand soldering risks delamination due to the leadless DFN2020-3 construction and thermal mass mismatch. Reflow profile must comply with J-STD-020, peak temperature ≤260 °C, and soak time ≥60 s at 150–200 °C.

What is the maximum continuous current per diode on a standard FR4 PCB?

At Tamb = 80 °C, the datasheet specifies 2 A average forward current per diode using square-wave excitation (δ = 0.5, f = 20 kHz). This assumes standard FR4 with single-sided 1 oz copper and the recommended 1.1 mm × 1.2 mm cathode pad per Figure 16 - exceeding this requires thermal derating or enhanced layout.

Does the guard ring affect electrical parameters like VF or IR?

No - the guard ring is a structural feature that modifies the electric field distribution at the die edge but does not alter the active Schottky junction characteristics. VF and IR values remain as specified in Tables 1 and 7; the guard ring solely improves ruggedness against dv/dt-induced edge breakdown during transients.

Can PMEG2020CPA replace single-diode Schottkys in existing designs?

Only if the circuit topology supports common-cathode configuration and both anodes are independently driven. It cannot substitute a single-anode/single-cathode diode without modifying PCB routing and biasing - the dual-anode structure requires separate input nodes and shared output return path.