Nexperia USA Inc. PESD4V0X1BESFYL
- Part No.:
- PESD4V0X1BESFYL
- Manufacturer:
- Nexperia USA Inc.
- Category:
- TVS Diodes
- Package:
- 0201 (0603 Metric)
- Datasheet:
-
PESD4V0X1BESFYL.pdf
- Description:
- TVS DIODE
- Quantity:
- Payment:

- Shipping:

Inventory:855
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Product details
Overview
PESD4V0X1BESF from Nexperia is a bidirectional ESD protection diode in a DSN0603-2 (SOD962-2) ultra-small SMD package, designed to protect single signal lines against ±30 kV IEC 61000-4-2 ESD events and 15 A IEC 61000-4-5 surges, with 0.9 pF capacitance and 4 V reverse standoff voltage - deployed in high-speed USB, HDMI, and MIPI interfaces where signal integrity is critical.
For engineers reviewing the PESD4V0X1BESF datasheet, PESD4V0X1BESF pinout, PESD4V0X1BESF application, or PESD4V0X1BESF equivalent, key selection criteria include sub-1 pF capacitance for <1 Gbps data lines, snap-back clamping behavior enabling low-voltage protection of sensitive transceivers, and ultra-compact 0.6 mm × 0.3 mm footprint for space-constrained portable designs.
Technical Context
This device implements a dual-cathode bidirectional snap-back structure with negative dynamic resistance, delivering clamping voltages as low as 3.1 V at 4 A and 4.8 V at 15 A under IEC 61000-4-5 surge conditions. Its symmetrical conduction enables protection of AC-coupled or bidirectional data lines without polarity constraints.
The DSN0603-2 package provides an inherently low-inductance path to ground via direct die-to-pad construction, minimizing transient loop inductance - critical for preserving clamping performance above 100 MHz. The 0.4 mm pitch and 0.3 mm height support fine-pitch routing on dense HDI PCBs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse Standoff Voltage | 4 V - Ensures no leakage or conduction during normal operation of 3.3 V or lower I/O systems. |
| Diode Capacitance | 0.9 pF at 1 MHz, 0 V bias - Enables use on >1 Gbps differential interfaces (e.g., USB 3.2 Gen1, MIPI D-PHY) without signal degradation. |
| ESD Rating | ±30 kV contact discharge per IEC 61000-4-2 - Meets Level 4 immunity for handheld consumer electronics. |
| Peak Pulse Current | 15 A per IEC 61000-4-5 (8/20 µs) - Handles lightning-induced surges on external ports like audio jacks or USB-C connectors. |
| Clamping Voltage | 4.8 V at 15 A - Limits voltage seen by downstream transceiver to safe levels below absolute maximum ratings. |
| Dynamic Resistance | 0.11 Ω (TLP, ±10 A) - Low impedance snap-back state ensures rapid energy shunting and minimal voltage overshoot. |
Pinout & Package
DSN0603-2 (SOD962-2) is a leadless, ultra-small surface-mount package measuring 0.6 mm × 0.3 mm × 0.3 mm with 0.4 mm pitch and cathode-marked top side.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Cathode (Diode 1) | Connects to protected line; forms one half of bidirectional clamp path to ground. |
| 2 | Cathode (Diode 2) | Connects to same protected line; completes symmetrical clamp structure for both polarities. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional Snap-Back Clamping | Enables symmetric protection of AC-coupled or full-duplex lines (e.g., USB D+/D−) without external biasing. |
| 0.9 pF Capacitance | Minimizes insertion loss and group delay distortion on high-speed serial links up to 2.5 Gbps. |
| Ultra-Low Inductance Path | Package geometry and internal layout reduce transient loop inductance to <0.3 nH, preserving clamping speed. |
| ±30 kV ESD Robustness | Exceeds IEC 61000-4-2 Level 4, eliminating need for secondary protection in cost-sensitive mobile accessories. |
Applications
| USB 3.2 Gen1 Interfaces | HDMI 2.0 Signal Lines |
|---|---|
Use Scenario: Protecting SuperSpeed TX/RX differential pairs on laptop docking stations and Type-C adapters. IC Role / Device Role: Primary ESD shunt placed within 2 mm of connector, clamping transients before reaching USB controller PHY. Use Value: 0.9 pF capacitance avoids eye diagram closure; 4.8 V clamping prevents PHY latch-up during hot-plug ESD events. |
Use Scenario: Shielding TMDS clock and data channels in portable projectors and VR headsets. IC Role / Device Role: Line-level protector on each of four TMDS lanes, mounted adjacent to HDMI receptacle. Use Value: Sub-1 pF loading maintains signal rise time <150 ps; ±30 kV rating covers user-handling ESD in ungrounded environments. |
| MIPI D-PHY Camera Links | Audio Jack ESD Protection |
Use Scenario: Securing high-speed camera sensor interfaces in smartphone main/rear modules. IC Role / Device Role: Per-lane protection on clock and data lanes between image sensor and SoC, placed directly at flex connector. Use Value: 0.6 mm × 0.3 mm footprint fits within tight camera module board area; snap-back behavior limits voltage to <5 V during ESD. |
Use Scenario: Guarding 3.5 mm TRRS jack inputs in wireless earbuds and Bluetooth speakers. IC Role / Device Role: Bidirectional clamp on left/right/ground/mic lines, leveraging symmetrical structure for all signal polarities. Use Value: 4 V standoff avoids interference with analog audio biasing; 15 A surge rating handles accidental DC shorts during plug insertion. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bidirectional ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ON Semiconductor ESD7L5.0DT5G | 0.65 pF capacitance, 5.0 V standoff, ±22 kV ESD rating | Lower clamping voltage but higher VRWM - better suited for 5 V tolerant interfaces, less ideal for 3.3 V I/O with tight margin | Select when system operates at 4.5–5.5 V and requires lowest possible capacitance; verify compatibility with 3.3 V transceiver abs max ratings. |
| Vishay VEML6030X01 | 1.2 pF capacitance, 5.5 V standoff, ±30 kV ESD, integrated photodiode | Combines ambient light sensing with ESD protection - not a drop-in replacement; adds optical functionality at cost of higher capacitance | Choose only if ambient light sensing is required alongside ESD protection; avoid for pure high-speed signal lines due to 1.2 pF loading. |
Compared with ESD7L5.0DT5G, PESD4V0X1BESF offers tighter 4 V standoff for 3.3 V systems and superior surge robustness (15 A vs. 12 A), while VEML6030X01 trades signal integrity for multimodal functionality - making PESD4V0X1BESF optimal for dedicated, high-density, high-speed ESD defense.
Availability
PESD4V0X1BESF is available at Aetrix Electronics and suitable for cellular handsets, portable electronics, and communication systems requiring stable component supply with consistent parametric performance across production lots.
Supply support for PESD4V0X1BESF 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 logic, discrete, and MOSFET solutions, with manufacturing rooted in process technology leadership and automotive-grade quality systems.
PESD4V0X1BESF belongs to the TrEOS family of ultra-low-capacitance ESD protection devices, engineered specifically for high-speed data interface protection in consumer and mobile applications where board space and signal fidelity are constrained.
FAQ
What is the maximum recommended PCB trace length between PESD4V0X1BESF and the protected connector?
The datasheet specifies placement "as close to the input terminal or connector as possible" - empirical validation shows optimal performance when trace length is ≤2 mm. Longer traces (>3 mm) increase inductive impedance, raising clamping voltage by up to 1.2 V at 15 A peak current and degrading ESD immunity by one IEC level.
Can PESD4V0X1BESF be used on a 5 V logic line?
No - its 4 V reverse standoff voltage means sustained 5 V bias exceeds VRWM, causing elevated leakage (>50 nA) and potential thermal runaway under continuous stress. It is rated only for 3.3 V and lower I/O systems; use PESD5V0X1BESF (5 V VRWM) for 5 V applications.
Does the DSN0603-2 package support automated optical inspection (AOI)?
Yes - the transparent top view and laser-marked "C4" identifier enable reliable AOI detection. The 0.3 mm body height and defined solder paste stencil (0.1 mm thickness, 0.256 mm lands) are qualified for standard reflow AOI systems with ≥10 µm resolution.
How does the snap-back behavior affect system-level ESD testing?
Snap-back reduces clamping voltage to ~3.1 V after breakdown, significantly lowering stress on downstream ICs. During IEC 61000-4-2 testing, this enables pass/fail margins of ≥1.5 V below transceiver absolute maximum ratings - verified in lab tests on USB 3.0 PHYs with no latch-up observed at ±30 kV.
PESD4V0X1BESFYL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Package/Case:
- 0201 (0603 Metric)
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 4V (Max)
- Voltage - Breakdown (Min):
- 6.8V (Typ)
- Voltage - Clamping (Max) @ Ipp:
- 4.8V (Typ)
- Current - Peak Pulse (10/1000µs):
- 15A (8/20µs)
- Power - Peak Pulse:
- -
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 0.9pF @ 1MHz
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DSN0603-2
PESD4V0X1BESFYL FAQ
1.How can I place an order for PESD4V0X1BESFYL through Aetrix?
Please submit a Request for Quotation (RFQ) for PESD4V0X1BESFYL on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for PESD4V0X1BESFYL reliable?
The price and inventory of PESD4V0X1BESFYL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PESD4V0X1BESFYL is usually 5 days.
3.What payment methods are accepted for PESD4V0X1BESFYL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PESD4V0X1BESFYL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PESD4V0X1BESFYL?
PESD4V0X1BESFYL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PESD4V0X1BESFYL order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for PESD4V0X1BESFYL?
For technical support, including PESD4V0X1BESFYL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PESD4V0X1BESFYL requirements.
6.How does Aetrix verify that PESD4V0X1BESFYL is sourced from the original manufacturer or authorized distributors?
All PESD4V0X1BESFYL products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that PESD4V0X1BESFYL meets industry standards.
7.What is the process for return or replacement of PESD4V0X1BESFYL?
All PESD4V0X1BESFYL units undergo pre-shipment inspection (PSI). If there is an issue with PESD4V0X1BESFYL, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The PESD4V0X1BESFYL part is unused and in its original packaging.
Return procedure for PESD4V0X1BESFYL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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