Nexperia USA Inc. PMEG040V050EPE-QZ

Overview

PMEG040V050EPE-QZ from Nexperia is a 40 V, 5 A planar low forward voltage Schottky barrier rectifier in a CFP15B (SOT1289B) surface-mount package, designed for high-efficiency DC-to-DC conversion and automotive-grade freewheeling applications with VF = 475–520 mV at 5 A and IR ≤ 120 µA at 40 V.

For engineers reviewing the PMEG040V050EPE-QZ datasheet, PMEG040V050EPE-QZ pinout, PMEG040V050EPE-QZ application, or PMEG040V050EPE-QZ equivalent, key selection criteria include low VF performance at high current, AEC-Q101 qualification, thermal resistance to solder point (Rth(j-sp) = 3 K/W), and dual-anode configuration for parallel conduction paths.

Technical Context

This Schottky rectifier uses clip-bond technology to achieve high power capability and low thermal resistance, enabling stable operation up to Tj = 175 °C. Its planar structure ensures consistent VF across temperature (415–590 mV from −40 °C to 125 °C at 5 A) and supports high-frequency switching in SMPS.

The device features step- and ramp-mode reverse recovery times of 12 ns and 11 ns respectively, with negligible minority-carrier storage-critical for minimizing switching losses in OR-ing and reverse polarity protection circuits where fast turn-off and low Qrr are essential.

Key Specifications

Pinout & Package

Encapsulated in a thermally enhanced CFP15B (SOT1289B) ultra-thin SMD package (5.8 × 4.3 × 0.95 mm), featuring a large cathode thermal pad and dual anode leads for current sharing and reduced trace inductance.

Key Features

Applications

Equivalent & Alternatives

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

Compared with VS-50WQ04FN-M3/45 and NSR0540HT1G, PMEG040V050EPE-QZ uniquely combines AEC-Q101 qualification, dual-anode layout support, 3 K/W Rth(j-sp), and sub-500 mV VF in a 0.95 mm thin package-making it optimal for high-density, thermally demanding automotive power rails.

Availability

PMEG040V050EPE-QZ is available at Aetrix Electronics and suitable for automotive power management, ADAS domain controllers, and infotainment system power supplies requiring stable component supply and long-term lifecycle assurance.

Supply support for PMEG040V050EPE-QZ 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 delivering high-performance, reliable discrete, logic, and MOSFET devices, with leadership in automotive-qualified components and advanced packaging.

This part belongs to Nexperia's AEC-Q101-qualified Schottky rectifier product line, engineered specifically for high-efficiency, high-reliability automotive power conversion where low VF, fast recovery, and thermal robustness are mandatory.

FAQ

What is the maximum allowable solder point temperature during reflow for PMEG040V050EPE-QZ?

The recommended reflow profile follows JEDEC J-STD-020, with peak temperature ≤ 260 °C for ≤ 30 seconds. The device's CFP15B package is rated for MSL-1 handling, and the cathode thermal pad must be soldered to a 1 cm² copper area to maintain Rth(j-sp) = 3 K/W and avoid exceeding Tj = 175 °C during operation.

Does PMEG040V050EPE-QZ support bidirectional current flow?

No-PMEG040V050EPE-QZ is a unidirectional Schottky rectifier. Current flows only from anode (Pins 1 and 2) to cathode (Pin 3). Reverse conduction is blocked above its 40 V VR rating, and it exhibits no controlled reverse conduction capability like a MOSFET-based ideal diode controller.

How does the dual-anode configuration improve thermal performance?

The dual-anode (Pins 1 and 2) reduces effective series resistance by ~15% versus single-anode equivalents, distributing current and lowering localized Joule heating. When routed symmetrically to shared copper pours, it balances thermal gradients across the die, preventing hotspot formation and extending reliability under 5 A continuous load.

Can PMEG040V050EPE-QZ replace a standard PN-junction rectifier in a 24 V automotive system?

Yes-its 40 V VR rating provides sufficient margin for 24 V nominal systems with load-dump transients up to 35 V. With VF ≈ 475 mV vs. ~800–1000 mV for PN diodes, it cuts conduction loss nearly in half, reducing thermal stress and enabling smaller heatsinks or higher ambient operating temperatures up to 125 °C.