NXP Semiconductors PRTR5V0U2D,115

Overview

PRTR5V0U2D from Nexperia is an ultra-low-capacitance, double rail-to-rail ESD protection diode array designed for high-speed data lines including USB 2.0, HDMI, and DVI interfaces. It provides 8 kV IEC 61000-4-2 contact ESD protection per channel, features 1.0 pF typical I/O-to-ground capacitance, integrates two protected signal channels plus a dedicated V_CC-to-GND clamping diode, and operates across −40 °C to +85 °C ambient.

For engineers reviewing the PRTR5V0U2D datasheet, PRTR5V0U2D pinout, PRTR5V0U2D application, or PRTR5V0U2D equivalent, key selection criteria include sub-1.5 pF line capacitance, rail-to-rail clamping behavior, AEC-Q101 qualification, SC-74 (SOT457) package compatibility, and dual-channel protection with integrated supply-line clamping for unpowered-system robustness.

Technical Context

The PRTR5V0U2D implements a triple-diode architecture: two symmetrical rail-to-rail ESD protection paths (I/O1–GND/V_CC and I/O2–GND/V_CC) plus a dedicated Zener diode between V_CC and GND. This enables clamping during both powered and unpowered system states.

Its 1.0 pF typical I/O-to-ground capacitance and 0.6 pF I/O-to-I/O capacitance minimize signal integrity impact on 480 Mbit/s USB 2.0 links, while the 5.5 V reverse standoff voltage ensures compatibility with 5 V logic rails and prevents false triggering during normal operation.

Key Specifications

Pinout & Package

SOT457 (SC-74) is a 6-lead plastic surface-mount package measuring 3.0 × 1.7 mm with 0.95 mm lead pitch and gull-wing terminations. Its compact size supports placement adjacent to high-speed connectors.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar ESD protection applications.

Compared with TPD2E001DRYR and ESD5V3U2MUTAG, the PRTR5V0U2D uniquely combines dual-channel rail-to-rail protection, 1.0 pF capacitance, and integrated V_CC–GND clamping - making it optimal for powered/unpowered USB/HDMI interface hardening without sacrificing signal fidelity.

Availability

PRTR5V0U2D is available at Aetrix Electronics and suitable for USB 2.0 interfaces, HDMI/DVI video links, and industrial LAN/WAN systems requiring stable component supply, automotive-grade reliability, and high-speed signal integrity preservation.

Supply support for PRTR5V0U2D 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 leader in discrete, logic, and PowerMOS semiconductors, formed in 2017 from the former NXP Standard Products division and focused on automotive, industrial, computing, and consumer markets.

The PRTR5V0U2D belongs to Nexperia's ultra-low-capacitance ESD protection portfolio, engineered specifically for high-speed digital interfaces where signal fidelity and robust transient suppression must coexist.

FAQ

What is the primary circuit role of the PRTR5V0U2D in a USB 2.0 design?

The PRTR5V0U2D serves as a bidirectional, rail-to-rail ESD protection device for the D+ and D− differential pair in USB 2.0 interfaces. It clamps transient voltages between each I/O line and both GND and V_CC, preserving signal integrity with only 1.0 pF I/O-to-ground capacitance while delivering 8 kV IEC 61000-4-2 contact discharge protection. The PRTR5V0U2D is placed directly at the USB connector to intercept ESD before it reaches the USB transceiver IC.

Does the PRTR5V0U2D require a supply voltage to function?

Yes and no: the PRTR5V0U2D uses its V_CC pin to enable active clamping between I/O lines and the supply rail, but it also incorporates a dedicated Zener diode from V_CC to GND that allows functional ESD protection even when the system is unpowered. This dual-mode behavior means the PRTR5V0U2D remains effective during hot-plug events or system power-down states - a key advantage over single-rail protectors.

What is the significance of the 0.6 pF I/O-to-I/O capacitance specification for the PRTR5V0U2D?

The 0.6 pF typical I/O-to-I/O capacitance of the PRTR5V0U2D minimizes capacitive coupling between the D+ and D− lines in differential interfaces like USB 2.0 and HDMI. Low inter-line capacitance reduces skew and jitter, helping maintain differential signal symmetry and ensuring compliance with timing budgets for 480 Mbit/s data rates. This parameter directly supports clean eye diagrams and reliable high-speed link training.

How does the PRTR5V0U2D meet automotive reliability requirements?

The PRTR5V0U2D is AEC-Q101 qualified for operation from −40 °C to +85 °C ambient, with validation including high-temperature operating life, ESD stress, and mechanical shock testing. Its SOT457 package uses qualified molding compounds and interconnects, and its electrical parameters - including <100 nA reverse leakage at 5 V and stable 1.0 pF capacitance across temperature - are verified under automotive stress conditions. This makes the PRTR5V0U2D suitable for infotainment and body-control module interfaces.

Can the PRTR5V0U2D be used in HDMI 2.0 or higher interfaces?

No - the PRTR5V0U2D is specified and validated for USB 2.0 (480 Mbit/s), DVI, and HDMI 1.4 applications, where its 1.0 pF I/O-to-ground capacitance meets signal integrity requirements. HDMI 2.0+ demands significantly lower capacitance (<0.3 pF) and higher bandwidth to support 18 Gbit/s data rates; using the PRTR5V0U2D in such designs would cause excessive insertion loss and fail compliance testing. For HDMI 2.0+, consult Nexperia's newer ultra-low-capacitance arrays like PESD5V0S1BA.