Nexperia USA Inc. PESD2CANFD27V-QCZ

Overview

PESD2CANFD27V-QC from Nexperia is a dual-channel automotive-grade ESD protection diode in DFN1412D-3 (SOT8009) package, designed to safeguard CAN-FD and CAN bus lines against IEC 61000-4-2 ±20 kV and ISO 10605 ±20 kV (150 pF/330 Ω) transients, with 27 V reverse standoff voltage, 33 V clamping at 1 A, and 6 pF typical capacitance.

For engineers reviewing the PESD2CANFD27V-QC datasheet, PESD2CANFD27V-QC pinout, PESD2CANFD27V-QC application, or PESD2CANFD27V-QC equivalent, this device is selected for high-speed, low-capacitance transient suppression in AEC-Q101-compliant in-vehicle networks where signal integrity and bus reliability under ESD stress are critical design requirements.

Technical Context

This bidirectional dual-diode array uses common-cathode configuration (pins 1 & 2 as individual cathodes, pin 3 as shared cathode) to protect two independent data lines-e.g., CANH and CANL-against symmetric ESD events while maintaining matched capacitance (<0.5% ΔCd/Cd) and low dynamic resistance (0.8 Ω). It operates within −55 °C to +150 °C ambient and supports peak pulse current up to 2.5 A (8/20 µs).

The device complies with AEC-Q101 for discrete semiconductors and is optimized for placement adjacent to connectors on automotive PCBs, leveraging side-wettable flanks for solder-joint inspection. Its clamping behavior is characterized under both IEC 61000-4-5 surge (33–44 V at 1 A) and IEC 61000-4-2 ESD (31.1 V positive / −30.7 V negative at 30 ns).

Key Specifications

Pinout & Package

DFN1412D-3 (SOT8009) is an ultra-thin, leadless surface-mount package measuring 1.4 mm × 1.2 mm × 0.48 mm with 0.8 mm pitch and side-wettable flanks for automated optical inspection of solder joints.

Key Features

Applications

Equivalent & Alternatives

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

Compared with NUP4202MR6T1G and ESD204-B1-W02, PESD2CANFD27V-QC uniquely balances 27 V standoff, 6 pF capacitance, and dual-line common-cathode topology-making it the optimal choice for CAN-FD and 24 V automotive serial bus protection where speed, voltage margin, and layout efficiency are jointly constrained.

Availability

PESD2CANFD27V-QC is available at Aetrix Electronics and suitable for automotive CAN-FD gateways, body control modules, and ADAS domain controllers requiring stable component supply across multi-year vehicle production cycles.

Supply support for PESD2CANFD27V-QC 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 essential efficiency-enhancing components, delivering high-performance, reliable, and scalable solutions for automotive, industrial, and consumer markets.

This device belongs to Nexperia's Automotive ESD Protection portfolio, engineered specifically for robust transient suppression on high-speed in-vehicle networks-including CAN-FD, CAN, FlexRay, and SENT-while meeting AEC-Q101 and ISO 16750 requirements.

FAQ

What is the recommended PCB layout for optimal ESD performance?

Place PESD2CANFD27V-QC within 3 mm of the connector entry point, route protected lines directly to its pins 1 and 2 with minimal stub length, connect pin 3 to a solid ground plane using multiple vias, and avoid routing unprotected traces parallel to protected ones. Follow the 0.4 mm solder land width and 0.1 mm stencil thickness specified in the SOT8009 footprint.

Does this device support bidirectional signal lines like CAN differential pairs?

Yes-the common-cathode dual-diode architecture allows symmetrical clamping of both positive and negative transients on each line independently. When used across CANH and CANL, it protects both polarities without affecting differential signaling, as confirmed by TLP clamping curves showing matched ±31 V response at 30 ns.

How does the 6 pF capacitance impact CAN-FD timing budgets?

At 5 Mbps, 6 pF adds <10 ps of rise-time degradation and <0.5% duty-cycle distortion-well within CAN-FD physical layer tolerances. Measured eye diagrams show no closure at 20 m cable lengths, validating compatibility with ISO 11898-2:2016 requirements for high-speed CAN.

Is thermal derating required above 85 °C ambient?

Peak pulse power decreases linearly with junction temperature, retaining ~80% of 25 °C rating at 125 °C (per Fig. 7). For sustained 2.5 A surges above 105 °C, reduce pulse repetition rate or add localized copper pour; no derating needed for single-event ESD per IEC 61000-4-2.