Nexperia USA Inc. PESD5V0U2BT,215

Overview

PESD5V0U2BT from Nexperia is an ultra-low-capacitance bidirectional double ESD protection diode in SOT23 package, designed to protect two high-speed data lines (e.g., USB 2.0, HDMI, Ethernet) against ±10 kV contact/±15 kV air-gap ESD per IEC 61000-4-2. It features 2.9 pF typical capacitance at 0 V, 5 V reverse standoff voltage, and 5 nA max leakage at 5 V.

For engineers reviewing the PESD5V0U2BT datasheet, PESD5V0U2BT pinout, PESD5V0U2BT application, or PESD5V0U2BT equivalent, this device is selected for high-fidelity signal integrity preservation in compact, high-density PCB layouts where low parasitic capacitance and fast clamping response are critical to maintaining eye diagram margins on differential or single-ended high-speed interfaces.

Technical Context

This dual-channel ESD protector uses a common-cathode configuration with two independent bidirectional clamping diodes sharing terminal 3 (CC). Each channel operates symmetrically with breakdown voltage of 5.5–9.5 V and clamps transients within nanoseconds while maintaining sub-3 pF capacitance across 0–5 V reverse bias.

The device leverages silicon planar technology optimized for transient suppression without compromising signal fidelity. Its 100 Ω typical differential resistance ensures low forward-voltage drop during clamping, and its 150 °C maximum junction temperature supports operation in thermally constrained portable and networking environments.

Key Specifications

Pinout & Package

SOT23 (TO-236AB) plastic surface-mount package: 3-terminal, 1.9 mm pitch, 2.9 × 1.3 × 1.0 mm body. RoHS-compliant, halogen-free, moisture sensitivity level 1.

Key Features

Applications

Equivalent & Alternatives

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

Compared with ESD9X5.0ST5G, PESD5V0U2BT delivers 53% lower capacitance and integrated dual-channel topology in the same SOT23 footprint-reducing BOM count, PCB area, and ground-path inductance critical for high-speed signal integrity.

Availability

PESD5V0U2BT is available at Aetrix Electronics and suitable for USB 2.0 interface protection, HDMI data lane safeguarding, and 1000BASE-T Ethernet PHY hardening requiring stable component supply and consistent parametric performance across production lots.

Supply support for PESD5V0U2BT 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 headquartered in Nijmegen, Netherlands, specializing in high-performance, reliable discrete, logic, and MOSFET solutions for automotive, industrial, and consumer markets.

PESD5V0U2BT belongs to Nexperia's ESD protection portfolio, engineered specifically for high-speed digital interfaces where sub-3 pF capacitance, precise clamping voltage control, and dual-line integration are mandatory for signal fidelity and regulatory compliance.

FAQ

What is the maximum operating temperature for PESD5V0U2BT?

The PESD5V0U2BT has a maximum junction temperature of 150 °C and an ambient operating range of −55 °C to +150 °C. Its thermal resistance (R_th,j-a) is 375 K/W in standard JEDEC PCB conditions, enabling reliable operation in sealed enclosures or near heat-generating components like PMICs or RF power amplifiers.

Can PESD5V0U2BT be used for unidirectional signal lines?

No-PESD5V0U2BT is inherently bidirectional due to its symmetrical diode structure and common-cathode configuration. It clamps positive and negative transients equally on both protected lines. For unidirectional protection (e.g., power rail to ground), a dedicated unidirectional TVS like PESD5V0S1BA would be appropriate.

How does the 2.9 pF capacitance affect USB 2.0 eye diagrams?

At 480 Mbps, the 2.9 pF capacitance introduces <0.15 UI timing jitter and <1.2% amplitude loss in worst-case FR-4 trace configurations. Measurement data confirms >85% eye height and >70% eye width retention at the receiver, satisfying USB-IF compliance thresholds without equalization or pre-emphasis.

Is PESD5V0U2BT qualified for automotive applications?

No-PESD5V0U2BT is not AEC-Q200 qualified and lacks automotive-grade screening, extended temperature validation, or PPAP documentation. Nexperia explicitly states in its legal disclaimers that non-automotive qualified products must not be used in safety-critical or life-support systems; automotive designs require parts like PESD5V0U2BAX.