Nexperia USA Inc. PNU650200EJJ

Overview

PNU650200EJJ from Nexperia is a 650 V, 20 A ultrafast recovery rectifier in D2PAK Real-2-Pin (SOT8018) package, designed for high-efficiency AC/DC and DC/DC conversion stages where low reverse recovery charge (Qrr = 1015 nC typ), fast trr (32 ns typ at low current), and Pt-doped lifetime control enable reduced switching losses and EMI in hard-switched topologies.

For engineers reviewing the PNU650200EJJ datasheet, PNU650200EJJ pinout, PNU650200EJJ application, or PNU650200EJJ equivalent, this device is selected for high-frequency SMPS, UPS inverters, and battery charger secondary-side rectification where thermal resistance Rth(j-c) = 1.5 K/W and 175 °C junction rating support sustained 20 A average forward current at Tc ≤ 130 °C.

Technical Context

This planar silicon rectifier uses platinum diffusion for precise carrier lifetime control, enabling ultrafast recovery with low Qrr and minimal tail current. Its Real-2-Pin configuration integrates the mounting base (mb) electrically with the cathode (K), eliminating internal bond wires to reduce parasitic inductance and improve di/dt robustness.

The device operates under square-wave conditions (δ = 0.5, f = 20 kHz) with defined thermal limits: maximum case temperature of 130 °C for 20 A average forward current, and 118 °C for 28 A DC forward current. Transient thermal impedance Zth(j-c) confirms rapid heat transfer from junction to case during pulsed operation.

Key Specifications

Pinout & Package

Encapsulated in D2PAK Real-2-Pin (SOT8018) package: 8.8 mm × 10.35 mm × 4.46 mm body, 5.08 mm lead pitch, with integrated mounting base (mb) electrically tied to cathode for low-inductance PCB layout and direct thermal path to heatsink.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STTH2006D and IXYS MUR2060CT, PNU650200EJJ delivers 50 V higher blocking voltage, 1.5 K/W lower junction-to-case thermal resistance, and 13–3 ns faster typical trr-enabling smaller heatsinks, higher switching frequencies, and improved efficiency in space-constrained 650 V SMPS designs.

Availability

PNU650200EJJ is available at Aetrix Electronics and suitable for AC/DC converters, UPS inverters, and battery chargers requiring stable component supply, long-term lifecycle assurance, and traceable sourcing for industrial OEM programs.

Supply support for PNU650200EJJ 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 and industrial-grade power semiconductors.

This device belongs to Nexperia's ultrafast recovery rectifier product line, engineered specifically for high-frequency, high-efficiency power conversion in server PSUs, industrial UPS, and EV charging infrastructure.

FAQ

What is the mounting base (mb) connection in PNU650200EJJ?

The mounting base (mb) is electrically connected to pin 1 (cathode K), forming a unified thermal and electrical node. This Real-2-Pin configuration eliminates internal bond wires, reduces parasitic inductance, and provides a low-resistance path for both heat dissipation and current return-critical for high-di/dt applications like inverter freewheeling.

How does PNU650200EJJ perform at elevated junction temperatures?

At Tj = 175 °C, VF drops to 1.06 V (typ) and IR rises to 47 µA (typ), while trr increases to 189 ns (at dIF/dt = −200 A/µs). The device maintains full 650 V VRRM rating and supports 20 A IF(AV) only if case temperature is held ≤130 °C-thermal design must ensure Rth(j-c) × Pd + Tc ≤ 130 °C under worst-case load.

Can PNU650200EJJ replace standard fast recovery diodes in existing designs?

Yes, provided layout accommodates the D2PAK R2P (SOT8018) footprint and thermal interface. Its lower Qrr (1015 nC vs. ~2500 nC for typical FRD), faster trr (32 ns vs. 60–100 ns), and integrated cathode-base reduce EMI and conduction loss-but PCB copper area for mb must match Nexperia's 6 cm² recommendation to achieve rated 20 A performance.

What is the significance of Pt doping in this rectifier?

Pt (platinum) doping controls minority carrier lifetime in the silicon drift region, enabling tightly regulated reverse recovery characteristics: low Qrr, minimal tail current, and stable trr across temperature. This results in predictable switching behavior in hard-switched topologies-unlike gold-doped or electron-irradiated alternatives that exhibit greater parameter spread and thermal drift.