Nexperia USA Inc. PESD5V0S1UL,315

Overview

PESD5V0S1UL from Nexperia is a unidirectional ESD protection diode in a DFN1006-2 (SOD882) leadless SMD package, designed to protect single signal lines against IEC 61000-4-2 level 4 ESD (±30 kV contact) and IEC 61000-4-5 surge (15 A, 8/20 µs). It features 5 V reverse standoff voltage, 20 V clamping at 15 A, and 152 pF typical capacitance at 1 MHz - optimized for high-speed data lines in portable audio interfaces.

For engineers reviewing the PESD5V0S1UL datasheet, PESD5V0S1UL pinout, PESD5V0S1UL application, or PESD5V0S1UL equivalent, this page delivers verified electrical parameters, validated PCB layout guidance, exact terminal mapping, and real-world ESD clamping performance under standardized transient waveforms.

Technical Context

This device operates as a unidirectional clamping diode: forward-biased during negative transients (anode-to-ground), reverse-biased during positive transients (cathode-to-ground), with breakdown at 6.4–7.2 V and clamping at ≤20 V under 15 A surge. Its low 80 Ω differential resistance ensures minimal voltage overshoot during fast ESD events.

The 152–200 pF capacitance at 0 V bias and <100 nA leakage at 5 V VRWM enable integration on USB 2.0, HDMI, and audio codec signal paths without signal integrity degradation. Thermal limits (Tj ≤ 150 °C) and ultra-small 1.0 mm × 0.6 mm footprint support dense portable PCB layouts.

Key Specifications

Pinout & Package

DFN1006-2 (SOD882) plastic leadless package: 1.0 mm × 0.6 mm × 0.48 mm body, 0.65 mm pitch, cathode marked by bar on top surface.

Key Features

Applications

Equivalent & Alternatives

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

Compared with NUP4105MR6T1G and ESDBLE5.0D1W, PESD5V0S1UL offers the optimal balance of low capacitance (152 pF), industry-standard 5 V VRWM, and proven 30 kV ESD robustness in a widely supported DFN1006-2 footprint - making it ideal for mainstream USB 2.0, audio, and industrial serial interface protection.

Availability

PESD5V0S1UL is available at Aetrix Electronics and suitable for USB 2.0 interface protection, smartphone audio jack hardening, and industrial RS-485 node safeguarding requiring stable component supply across production ramps and long-lifecycle programs.

Supply support for PESD5V0S1UL 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 PESD series of ultra-small unidirectional ESD suppressors, engineered specifically for signal-line protection in space-constrained consumer and industrial electronics where low capacitance and repeatable clamping are critical.

FAQ

What is the maximum recommended PCB trace length between PESD5V0S1UL and the protected connector?

The datasheet specifies placement "as close to the input terminal or connector as possible" - empirical validation shows optimal clamping occurs when trace length from cathode to protected line and anode to ground plane is ≤2 mm. Longer traces add inductance that degrades clamping response during sub-nanosecond ESD rise times, increasing peak voltage seen by downstream ICs.

Can PESD5V0S1UL be used to protect bidirectional signal lines like I²C or SPI?

No - PESD5V0S1UL is unidirectional and only clamps positive transients on the cathode line relative to ground. For bidirectional lines, two devices must be used back-to-back (cathode-to-cathode) or a dedicated bidirectional part such as PESD5V0U1BB must be selected to ensure clamping during both positive and negative ESD events.

Does the 30 kV ESD rating apply to both contact and air discharge per IEC 61000-4-2?

The datasheet explicitly states "IEC 61000-4-2; level 4 (ESD)" and clarifies "contact discharge" in Table 5, confirming ±30 kV applies only to contact discharge testing. Air discharge rating is not specified and should not be assumed equal - design validation must follow contact-discharge test methodology.

How does junction temperature affect peak pulse power capability?

Figure 4 shows relative PPPM drops to ~80% at 100 °C and ~40% at 150 °C versus 25 °C baseline. At 125 °C ambient (typical in enclosed industrial enclosures), derated PPPM is ~60 W - meaning sustained surge duty cycles require thermal design review to avoid cumulative heating beyond 150 °C Tj absolute maximum.