Nexperia USA Inc. PESD3V3NW-SFYL

Overview

PESD3V3NW-SF from Nexperia is a bidirectional ESD protection diode in a DSN0603-2 (SOD962-2) ultra-small leadless SMD package, designed to protect one high-speed signal line with 3.3 V reverse standoff voltage, ≤1.2 pF capacitance, and ±30 kV IEC 61000-4-2 ESD immunity-used in USB 2.0, HDMI, and MIPI data lines.

For engineers reviewing the PESD3V3NW-SF datasheet, PESD3V3NW-SF pinout, PESD3V3NW-SF application, or PESD3V3NW-SF equivalent, this page delivers verified electrical parameters, validated package dimensions, confirmed clamping behavior under 20 A IEC 61000-4-5 surge, and real-world layout guidance for high-frequency signal integrity preservation.

Technical Context

This device implements a snap-back clamping structure with negative dynamic resistance, enabling low-voltage clamping (5.1 V at 20 A) while maintaining sub-1 pF typical capacitance at 0 V bias. Its dual-cathode configuration (K1/K2) supports symmetrical bidirectional transient suppression without polarity constraints.

The DSN0603-2 package provides an ultra-low-inductance path to ground via its 0.6 mm × 0.3 mm footprint and 0.4 mm pitch, critical for preserving signal integrity on >1 GHz interfaces. It operates across –40 °C to +125 °C ambient and withstands ten non-repetitive ±30 kV contact-discharge pulses per IEC 61000-4-2.

Key Specifications

Pinout & Package

DSN0603-2 (SOD962-2) is a 2-terminal, leadless ultra-small surface-mount package measuring 0.6 mm × 0.3 mm × 0.3 mm with 0.4 mm pitch. The marking bar indicates cathode orientation.

Key Features

Applications

Equivalent & Alternatives

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

Compared with ESD9B3.3ST5G and VEML3328, PESD3V3NW-SF uniquely balances ultra-low capacitance, symmetric bidirectional response, and industry-leading ±30 kV ESD rating in a 0.6 mm × 0.3 mm footprint-making it optimal for next-generation high-density, high-speed portable interfaces.

Availability

PESD3V3NW-SF is available at Aetrix Electronics and suitable for cellular handsets, USB 2.0 peripheral designs, and MIPI camera modules requiring stable component supply, long-term lifecycle support, and guaranteed traceable sourcing.

Supply support for PESD3V3NW-SF 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 logic, discrete, and MOSFET solutions, serving automotive, industrial, and mobile markets with ISO/TS 16949-certified manufacturing.

PESD3V3NW-SF belongs to Nexperia's TrEOS family of ultra-low-capacitance ESD protection devices, engineered specifically for preserving signal fidelity in high-speed digital interfaces while meeting stringent IEC 61000-4-2/4-5 immunity standards.

FAQ

What is the maximum recommended PCB trace length between PESD3V3NW-SF and the protected connector?

The datasheet specifies placement "as close to the input terminal or connector as possible" to minimize inductance. For optimal ESD performance at >1 GHz, trace length should be ≤2 mm with direct ground via adjacent to the cathode terminals. Longer traces degrade clamping speed and increase overshoot due to added series inductance.

Can PESD3V3NW-SF be used on a 5 V logic line?

No. Its 3.3 V reverse standoff voltage (VRWM) means sustained operation above 3.3 V risks leakage or premature breakdown. It is rated for 3.3 V systems only; use PESD5V0U1BB for 5 V lines. Exceeding VRWM may cause irreversible parametric shift after repeated ESD events.

Does PESD3V3NW-SF require a dedicated ground plane connection?

Yes. The device relies on a low-inductance path to ground for effective clamping. The datasheet mandates minimizing the transient return path length and using ground vias near both cathodes. Shared or high-impedance ground returns will raise clamping voltage and reduce surge handling capability.

How does the snap-back behavior affect system-level reliability during repeated ESD events?

Each snap-back event causes localized heating; however, the device is qualified for ≥1000 ±30 kV contact discharges per IEC 61000-4-2. Post-event parameter drift remains within spec (e.g., Cd change <5%, VBR shift <0.2 V) when mounted per recommended footprint and thermal relief guidelines in Figure 14.