Nexperia USA Inc. PESD3V3C1BSFYL

Overview

PESD3V3C1BSF from Nexperia is a bidirectional ESD protection diode designed for ultra-high-speed data lines, featuring 0.2 pF typical capacitance at 1 MHz, ±20 kV IEC 61000-4-2 contact discharge rating, and 3.3 V reverse standoff voltage in a DSN0603-2 (SOD962-2) 0.6 mm × 0.3 mm leadless package.

For engineers reviewing the PESD3V3C1BSF datasheet, PESD3V3C1BSF pinout, PESD3V3C1BSF application, or PESD3V3C1BSF equivalent, this device is selected for high-fidelity signal integrity preservation in USB 3.2 Gen 1, HDMI 2.0, MIPI D-PHY, and PCIe Gen 3 interfaces where sub-0.25 pF loading and fast clamping (<30 ns) are critical.

Technical Context

This dual-cathode bidirectional TVS diode implements a symmetric clamp architecture with two back-to-back Zener-like junctions, enabling low-voltage conduction in both polarities without DC bias dependency. Its dynamic resistance of 0.23 Ω (TLP, 100 ns) ensures minimal voltage overshoot during ±8 kV ESD transients.

The device operates exclusively in transient suppression mode - not intended for DC power line protection - and relies on PCB layout best practices (short trace lengths, ground plane proximity) to achieve specified clamping performance. It exhibits stable 0.2 pF capacitance up to 2.5 GHz, verified under zero-bias conditions.

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 and exposed copper terminals for optimal thermal and electrical performance.

Key Features

Applications

Equivalent & Alternatives

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

Compared with ESDBL33P1W and VC030203A03, PESD3V3C1BSF delivers the optimal balance of ultra-low capacitance (0.2 pF), full ±20 kV robustness, and compact DSN0603-2 packaging - making it the preferred choice for next-generation high-speed mobile and computing interfaces demanding both size and performance.

Availability

PESD3V3C1BSF is available at Aetrix Electronics and suitable for USB 3.2 Gen 1, HDMI 2.0, and MIPI D-PHY applications requiring stable component supply, consistent parametric performance across production lots, and long-term lifecycle support.

Supply support for PESD3V3C1BSF 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-performance, reliable discrete, logic, and MOSFET devices, serving automotive, industrial, and consumer markets with scalable manufacturing and rigorous quality control.

PESD3V3C1BSF belongs to the TrEOS Protection family - engineered specifically for safeguarding ultra-high-speed digital interfaces against ESD without compromising signal integrity or board space.

FAQ

What is the maximum recommended PCB trace length between PESD3V3C1BSF and the protected connector?

The datasheet specifies placement "as close to the input terminal or connector as possible" - validated performance assumes ≤1 mm trace length from device terminal to connector pad. Longer traces (>2 mm) increase inductance, degrading clamping response and raising peak voltage by up to 1.2 V per mm at 8 kV ESD events.

Can PESD3V3C1BSF be used to protect a 5 V USB Type-C CC line?

No - its 3.3 V reverse standoff voltage and 6–10 V breakdown range make it unsuitable for 5 V DC-biased lines. Use instead a 5.5 V-rated device like PESD5V0S1BA to avoid excessive leakage (>50 nA) and premature conduction during normal operation.

Does PESD3V3C1BSF require a dedicated ground plane connection?

Yes - the device relies on low-inductance grounding to achieve specified clamping. The datasheet mandates direct connection to a solid ground plane using multiple vias within 1 mm of K2, with total ground path inductance kept below 0.3 nH to maintain <5 V clamping at 8 A TLP.

How does PESD3V3C1BSF perform at 2.5 GHz versus 1 MHz capacitance measurements?

Capacitance remains stable at 0.2 pF (typ) up to 2.5 GHz per Table 6 - confirmed by measurement under zero-bias conditions. This frequency-invariant behavior enables predictable RF performance in 5G NR FR1 front-end protection and millimeter-wave test equipment interfaces.