Nexperia USA Inc. PESD5V0C1ULS-QYL

Overview

PESD5V0C1ULS-Q from Nexperia is a unidirectional ESD protection diode in a DFN1006BD-2 (SOD882BD) package, designed for single-line automotive in-vehicle network protection. It delivers 5 V reverse standoff voltage, <0.6 pF capacitance, 15 kV IEC 61000-4-2 ESD rating, 3.5 V clamping voltage at 8 A TLP, and 0.3 Ω dynamic resistance - enabling robust transient suppression on ultra-high-speed data lines like USB 3.2 and HDMI 2.0.

For engineers reviewing the PESD5V0C1ULS-Q datasheet, PESD5V0C1ULS-Q pinout, PESD5V0C1ULS-Q application, or PESD5V0C1ULS-Q equivalent, key selection criteria include ultra-low capacitance for signal integrity, deep snap-back clamping behavior for low-voltage rail compatibility, AEC-Q101 qualification for automotive deployment, and side-wettable flanks for automated optical inspection of solder joints.

Technical Context

This device implements a deep snap-back structure with negative differential resistance to achieve sub-3.5 V clamping during 8 A TLP pulses, minimizing voltage overshoot on protected signal lines. Its unidirectional architecture allows placement between a positive-polarity data line and ground without DC blocking concerns.

The diode operates within a −55 °C to +150 °C ambient range and sustains 15 kV contact discharge per IEC 61000-4-2 and ISO 10605 (330 pF/330 Ω), with leakage current limited to 100 nA at 5 V reverse bias - ensuring minimal impact on high-impedance, low-power automotive interfaces.

Key Specifications

Pinout & Package

DFN1006BD-2 (SOD882BD) surface-mount plastic package with side-wettable flanks; 1.0 mm × 0.6 mm × 0.47 mm body, 0.65 mm pitch, and cathode-marked top-side bar.

Key Features

Applications

Equivalent & Alternatives

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

Compared with NUP4105LT1G, PESD5V0C1ULS-Q provides half the capacitance and certified automotive qualification, making it superior for high-speed in-vehicle networks; the Vishay part is functionally incompatible and must be excluded from consideration.

Availability

PESD5V0C1ULS-Q is available at Aetrix Electronics and suitable for automotive infotainment systems, ADAS camera modules, and digital display interfaces requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for PESD5V0C1ULS-Q 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 ESD protection, MOSFETs, and bipolar transistors.

This device belongs to Nexperia's TrEOS Protection family, engineered specifically for ultra-low-capacitance, high-clamp-performance ESD suppression in automotive data buses and high-speed consumer interfaces.

FAQ

What is the maximum continuous reverse voltage this diode can withstand?

The PESD5V0C1ULS-Q has a reverse standoff voltage (VRWM) of 5 V, meaning it remains non-conductive up to this DC or steady-state AC voltage. Exceeding 5 V risks breakdown and unintended conduction, so it must be used only on signal lines with nominal voltages ≤5 V, such as USB 3.2 or HDMI 2.0 differential pairs referenced to 3.3 V or lower rails.

How does the deep snap-back behavior improve system-level ESD robustness?

Deep snap-back reduces the clamping voltage from typical Zener-like levels (~6–8 V) to just 3.5 V at 8 A TLP current, preventing overvoltage stress on sensitive 3.3 V transceiver inputs. This behavior arises from negative differential resistance in the silicon structure, enabling faster, lower-voltage energy diversion than standard TVS diodes.

Is the DFN1006BD-2 package compatible with standard reflow soldering profiles?

Yes - the DFN1006BD-2 package is qualified for lead-free reflow per J-STD-020, with peak temperatures up to 260 °C. Its side-wettable flanks support automated optical inspection of solder fillets, and the recommended footprint (1.0 mm × 0.6 mm lands, 0.7 mm spacing) ensures reliable joint formation without tombstoning or voiding.

Why is AEC-Q101 qualification critical for this part in automotive designs?

AEC-Q101 certification validates performance across accelerated stress tests including temperature cycling (−55 °C to +150 °C), humidity bias HAST, and ESD robustness - confirming suitability for under-dash, center-stack, and camera module environments. Without this qualification, field failures due to thermal fatigue or latent ESD damage cannot be ruled out in production vehicles.