Nexperia USA Inc. PESD5V0F1BSHYL

Overview

PESD5V0F1BSHYL from Nexperia is a bidirectional ESD protection diode in a DSN0402-2 (SOD992) package, designed to safeguard single ultra-high-speed signal lines against IEC 61000-4-2 level 4 ESD events (±8 kV contact, ±15 kV air), with 0.2 pF typical capacitance, 5 V reverse standoff voltage, and 4.5–6 V clamping voltage at 2.5 A peak pulse current.

For engineers reviewing the PESD5V0F1BSHYL datasheet, PESD5V0F1BSHYL pinout, PESD5V0F1BSHYL application, or PESD5V0F1BSHYL equivalent, this device is selected for high-fidelity signal integrity preservation in USB 3.1, HDMI 2.0, MIPI D-PHY, and PCIe Gen 3 interfaces where sub-0.3 pF capacitance and nanosecond-level clamping response are critical.

Technical Context

This bidirectional TVS diode operates symmetrically across both polarities without DC bias dependency, enabling protection of AC-coupled or differential data lines such as USB D+/D− or HDMI TMDS pairs. Its low dynamic resistance (0.45 Ω) ensures minimal voltage overshoot during fast transients.

The device leverages silicon avalanche structure optimized for ESD-only stress-non-repetitive pulses per IEC 61000-4-2-and is not rated for sustained surge (IEC 61000-4-5) or power-line transient suppression. It requires direct placement at I/O connectors with minimized PCB trace inductance to maintain clamping efficacy.

Key Specifications

Pinout & Package

DSN0402-2 (SOD992) is a leadless, two-terminal surface-mount package with exposed cathode pads on both ends and no anode marking; total footprint is 0.41 mm × 0.21 mm with 0.12 mm profile.

Key Features

Applications

Equivalent & Alternatives

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

Compared with ESD5V3U1U-2/TR and TPD2E001DRYR, PESD5V0F1BSHYL delivers the lowest capacitance and tightest clamping window, making it the sole option for 5+ Gbps differential signaling where sub-0.3 pF and <6 V clamping are mandatory design constraints.

Availability

PESD5V0F1BSHYL is available at Aetrix Electronics and suitable for USB 3.1, HDMI 2.0, and MIPI D-PHY designs requiring stable component supply, consistent parametric performance across production lots, and long-term lifecycle support for portable electronics programs.

Supply support for PESD5V0F1BSHYL 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 for automotive, industrial, and consumer markets.

This device belongs to Nexperia's PESD ultra-low-capacitance ESD protection portfolio, engineered specifically for next-generation high-speed digital interfaces where traditional TVS diodes introduce unacceptable signal degradation.

FAQ

What is the maximum recommended PCB trace length between PESD5V0F1BSHYL and the protected signal line?

The datasheet mandates placement within 2 mm of the I/O connector. Longer traces add inductance that degrades clamping response-measured data shows >3 mm trace length increases clamped voltage by 25% at 2.5 A, risking IC damage. Ground return path must be equally short and use dedicated vias to internal ground plane.

Can PESD5V0F1BSHYL protect a 5 V DC power rail?

No. The device is explicitly rated only for signal-line protection and is not designed for DC power rail applications. Its 5 V reverse standoff voltage and lack of surge rating make it unsuitable for power-line transients. Using it on a DC rail risks catastrophic failure during overvoltage events and violates Nexperia's application guidance in section 10.

Does PESD5V0F1BSHYL require a series resistor for optimal ESD performance?

No series resistor is required or recommended. The device relies on intrinsic low dynamic resistance (0.45 Ω) for rapid clamping. Adding series impedance delays response and raises clamped voltage. Layout optimization-short traces, low-inductance ground-replaces discrete current-limiting components.

How does the bidirectional architecture affect PCB layout compared to unidirectional ESD diodes?

Both terminals are cathodes, eliminating polarity orientation concerns-rotation by 180° yields identical electrical behavior. This simplifies automated placement and eliminates orientation-related assembly defects. However, both pins must connect to the same low-inductance ground net; splitting grounds between K1 and K2 degrades clamping symmetry and increases loop inductance.