NXP Semiconductors PESD5V0L1USF-H250,

Overview

PESD5V0L1USF from Nexperia is a low-capacitance unidirectional ESD protection diode in a DSN0603-2 (SOD962) package, designed to protect one signal line against IEC 61000-4-2 level 4 ESD events up to ±30 kV and IEC 61643-321 surges with IPPM = 1.2 A. It features 12 pF typical capacitance, 5 V reverse standoff voltage, and ultra-low leakage current (<1 nA), making it suitable for high-speed USB 2.0, HDMI, and audio interface lines.

For engineers reviewing the PESD5V0L1USF datasheet, PESD5V0L1USF pinout, PESD5V0L1USF application, or PESD5V0L1USF equivalent, key selection criteria include clamping voltage (≤10.5 V at 1 A), dynamic resistance (≤1.2 Ω), junction temperature rating (150 °C), and compatibility with 0.4 mm pitch PCB layouts requiring minimal board area.

Technical Context

The PESD5V0L1USF operates as a unidirectional silicon avalanche diode, triggered when transient voltage exceeds its 6–8 V breakdown threshold (V_BR), clamping the protected line to ≤10.5 V at 1 A peak pulse current. Its low 12 pF capacitance ensures minimal signal distortion on data lines up to 480 Mbps.

It complies with IEC 61000-4-2 (±30 kV contact/air discharge) and IEC 61643-321 (1.2 A, 8/20 µs surge), with rated peak pulse power of 11 W. The device is optimized for single-line protection where polarity is fixed relative to ground-either positive or negative-without bidirectional symmetry.

Key Specifications

Pinout & Package

Package: DSN0603-2 (SOD962), leadless ultra-small surface-mount package measuring 0.6 × 0.3 × 0.3 mm with 0.4 mm pitch; marking bar indicates cathode (Pin 1).

Key Features

Applications

Equivalent & Alternatives

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

Compared with NUP4105MR6T1G and VEML3020X01, the PESD5V0L1USF delivers the smallest footprint (0.6 × 0.3 mm) and lowest capacitance among unidirectional options, making it optimal for miniaturized high-speed interfaces where layout density and signal fidelity are prioritized over mechanical ruggedness or bidirectional capability.

Availability

PESD5V0L1USF is available at Aetrix Electronics and suitable for USB 2.0 interface protection, HDMI signal line safeguarding, and smartphone audio jack ESD mitigation requiring stable component supply across production volumes.

Supply support for PESD5V0L1USF 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 essential semiconductors including logic, discrete, and MOSFETs, with manufacturing rooted in process efficiency and automotive-grade quality systems.

The PESD5V0L1USF belongs to Nexperia's ESD protection portfolio targeting portable and interface applications, engineered specifically for ultra-low capacitance and minimal PCB footprint in consumer and industrial connectivity solutions.

FAQ

What is the maximum clamping voltage of the PESD5V0L1USF under ESD stress?

The PESD5V0L1USF has a maximum clamping voltage (V_CL) of 10.5 V at 1 A peak pulse current (IPPM = 1 A), measured per IEC 61000-4-2 test conditions. This value ensures downstream ICs like USB transceivers or HDMI PHYs remain within safe operating voltage margins during ±30 kV ESD events. The PESD5V0L1USF achieves this with a dynamic resistance of ≤1.2 Ω, enabling rapid voltage suppression.

Is the PESD5V0L1USF suitable for protecting bidirectional data lines like USB D+/D− simultaneously?

No - the PESD5V0L1USF is a unidirectional ESD protection diode intended for single-polarity signal lines referenced to ground. For bidirectional USB 2.0 differential pairs, two PESD5V0L1USF devices are required (one per line), each oriented with cathode to ground. It does not replace dual-channel or bidirectional TVS arrays unless explicitly deployed per-line with correct polarity alignment.

What is the recommended PCB layout practice for optimal ESD performance with the PESD5V0L1USF?

Place the PESD5V0L1USF within 2 mm of the protected connector, route the protected signal directly to Pin 2 (anode), and connect Pin 1 (cathode) to a low-inductance ground plane via a dedicated via. Avoid stubs or parallel traces; minimize loop area between anode, cathode, and ground return. The PESD5V0L1USF's 0.6 × 0.3 mm size supports these tight-layout requirements better than larger SOD-323 alternatives.

Does the PESD5V0L1USF meet automotive qualification standards?

No - the PESD5V0L1USF is not AEC-Q200 qualified and is not intended for automotive safety-critical or engine-bay applications. Nexperia explicitly states in its legal disclaimers that non-automotive qualified products like the PESD5V0L1USF lack automotive-grade testing and warranty coverage. Use only in consumer, computing, or industrial environments where ambient temperature remains within −55 °C to +150 °C and no safety-critical function depends on its operation.

How does the 12 pF capacitance of the PESD5V0L1USF impact signal integrity on a 480 Mbps USB 2.0 line?

At 12 pF typical capacitance, the PESD5V0L1USF introduces negligible impedance mismatch on USB 2.0 differential pairs - simulated eye diagrams show <1% rise-time degradation and no measurable jitter increase at 480 Mbps. This performance is validated in Nexperia's application notes for high-speed interface protection, confirming the PESD5V0L1USF maintains USB-IF compliance when placed per layout guidelines.