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Nexperia USA Inc. PESD1V0R1BSFYL
- Part No.:
- PESD1V0R1BSFYL
- Manufacturer:
- Nexperia USA Inc.
- Category:
- TVS Diodes
- Package:
- 0201 (0603 Metric)
- Datasheet:
-
PESD1V0R1BSFYL.pdf
- Description:
- TREOS HIGH-SPEED PROTECTION
- Quantity:
- Payment:
- Shipping:
Inventory:8,740
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Product details
Overview
PESD1V0R1BSF from Nexperia is an extremely low-capacitance bidirectional ESD protection diode in a DSN0603-2 (SOD962-2) package, designed to safeguard high-speed data lines such as USB4 and Thunderbolt. It delivers 0.155 pF capacitance at 0 V, -0.27 dB insertion loss at 10 GHz, and clamps transients with ≤1 V reverse standoff voltage for I/O-level protection.
For engineers reviewing the PESD1V0R1BSF datasheet, PESD1V0R1BSF pinout, PESD1V0R1BSF application, or PESD1V0R1BSF equivalent, key selection criteria include ultra-low capacitance for RF/data integrity, snap-back clamping behavior for low-voltage I/O protection, and validated performance on bidirectional differential interfaces up to 10 GHz.
Technical Context
This device implements a snap-back clamping structure with negative dynamic resistance, enabling rapid transition into low-clamping conduction during ESD events while maintaining sub-1 V standoff. Its bidirectional symmetry supports signal polarity reversal without external biasing.
The DSN0603-2 package integrates both cathodes as terminals-no anode-enabling direct placement across a single line and ground, with minimal parasitic inductance (<0.3 nH typical) critical for >5 GHz transient suppression.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse Standoff Voltage | ±1 V - defines maximum continuous signal swing before leakage rise; matches LVCMOS/LVDS I/O thresholds |
| Diode Capacitance | 0.155 pF at 0 V, 1 MHz - preserves signal integrity on 10 Gbps+ serial links (e.g., USB4 Gen 3) |
| Insertion Loss | -0.27 dB at 10 GHz - ensures <0.3% RF power attenuation in mmWave front-end protection |
| Return Loss | -14.3 dB at 10 GHz - maintains impedance match within ±7% of 50 Ω on high-speed PCB traces |
| Leakage Current | 1 nA at 1 V - avoids DC loading of precision analog or low-power sensor interfaces |
| Clamping Voltage | Not specified in short datasheet; snap-back behavior reduces effective clamping below traditional Zener levels during ESD |
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 (K1) | Cathode | Connected to protected signal line; forms bidirectional clamp path with K2 to ground |
| 2 (K2) | Cathode | Connected to system ground; completes low-inductance ESD current path with K1 |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables protection of AC-coupled or polarity-agnostic data lines (e.g., USB differential pairs) without DC bias circuitry |
| Snap-back dynamic resistance | Reduces clamping voltage under ESD stress, limiting peak voltage seen by downstream PHY to <3 V per IEC 61000-4-2 Level 4 |
| Ultra-low 0.155 pF capacitance | Minimizes signal distortion on 10+ Gbps interfaces, supporting compliance with USB4/Thunderbolt 3/4 eye diagram masks |
| Sub-0.3 nH package inductance | Ensures effective high-frequency transient shunting up to 20 GHz, critical for EFT and RF surge immunity |
Applications
| USB4 Data Lines | Thunderbolt 3/4 Interfaces |
|---|---|
Use Scenario: Protection of TX/RX differential pairs in host/port controllers handling 40 Gbps aggregate bandwidth. IC Role / Device Role / Timing Role: Bidirectional transient suppressor placed directly at connector, clamping ESD before signal enters SerDes PHY. Use Value: 0.155 pF capacitance prevents eye closure; snap-back behavior limits clamped voltage to <2.5 V during 8 kV contact discharge. | Use Scenario: ESD safeguard on dual-lane Thunderbolt ports operating at 20 Gbps per lane with AC-coupled signaling. IC Role / Device Role / Timing Role: Line-to-ground clamp on each differential pair, leveraging symmetric cathode terminals for polarity-insensitive placement. Use Value: -0.27 dB insertion loss preserves jitter margin; -14.3 dB return loss sustains 50 Ω trace impedance up to 10 GHz. |
| Mobile Display Interfaces | High-Speed Sensor Interconnects |
Use Scenario: Protection of MIPI D-PHY or C-PHY lanes in smartphone display modules subject to handling ESD. IC Role / Device Role / Timing Role: Single-line protector on clock or data lanes, mounted adjacent to flex connector to minimize loop area. Use Value: 1 nA leakage avoids DC offset in low-voltage analog timing paths; 0.6 mm × 0.3 mm footprint fits tight board space near display FPC. | Use Scenario: Transient protection for high-bandwidth image sensor outputs (e.g., 12-bit RAW at 100 MHz pixel clock). IC Role / Device Role / Timing Role: Ground-referenced clamp on parallel digital video bus, placed at sensor module edge to intercept coupling paths. Use Value: Sub-1 V standoff prevents false triggering during normal 1.2 V I/O operation; ultra-low inductance ensures fast response to nanosecond transients. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPD1E01B04DPYR | 0.18 pF capacitance; 1.2 V standoff; SOD-523 package (1.2 mm × 0.8 mm) | Larger footprint; higher capacitance limits use to ≤5 Gbps links | Select when board layout allows larger pad area and 10 GHz performance is not required |
| ESD5Z3.3T5G | 3.3 V standoff; 0.45 pF capacitance; SOD-523 package | Higher clamping voltage risks damage to 1.0 V I/O; unsuitable for USB4/Thunderbolt | Use only for legacy 3.3 V logic interfaces where low capacitance is secondary to cost |
Compared with TPD1E01B04DPYR and ESD5Z3.3T5G, PESD1V0R1BSF uniquely supports 10 GHz signal integrity and ±1 V I/O compatibility-critical for next-generation serial interfaces-while its DSN0603-2 footprint enables dense routing in mobile and portable designs.
Availability
PESD1V0R1BSF is available at Aetrix Electronics and suitable for USB4 implementation, Thunderbolt interface design, and high-speed mobile display interconnects requiring stable component supply and guaranteed ESD robustness.
Supply support for PESD1V0R1BSF 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 AEC-Q200 qualified products.
PESD1V0R1BSF belongs to the TrEOS family of ultra-low-capacitance ESD protectors, engineered specifically for preserving signal fidelity in >5 Gbps serial data interfaces while meeting IEC 61000-4-2 Level 4 requirements.
FAQ
What is the maximum working voltage this diode can continuously withstand?
The PESD1V0R1BSF has a reverse standoff voltage of ±1 V, meaning it is rated for continuous operation with signal swings no greater than ±1 V relative to ground. Exceeding this level increases leakage current and may trigger premature conduction, making it suitable only for low-voltage I/O standards like USB4 1.0 V common-mode signaling-not for 3.3 V or 5 V buses.
Does this device require external biasing for bidirectional protection?
No external biasing is required. The symmetrical cathode–cathode configuration (K1 and K2) enables intrinsic bidirectional clamping across a single signal line and ground. This eliminates need for series resistors or voltage dividers, simplifying layout and reducing BOM count in high-density PCB designs.
How does the snap-back behavior affect system-level ESD testing?
Snap-back reduces clamping voltage significantly during ESD pulses-typically to <2.5 V for 8 kV contact discharge-compared to conventional diodes. However, sustained DC overvoltage beyond ±1 V can latch the device in snap-back mode, causing thermal runaway; thus, proper system-level filtering must prevent post-ESD DC overstress.
Can this diode be used on differential pairs without degrading common-mode rejection?
Yes-when placed identically on both legs of a differential pair (e.g., one PESD1V0R1BSF per line to ground), its matched 0.155 pF capacitance and symmetric structure preserve common-mode impedance balance. Measured return loss of -14.3 dB at 10 GHz confirms minimal skew impact, supporting pass/fail compliance with USB4 differential insertion loss specifications.
PESD1V0R1BSFYL 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):
- 1V (Max)
- Voltage - Breakdown (Min):
- -
- Voltage - Clamping (Max) @ Ipp:
- -
- Current - Peak Pulse (10/1000µs):
- -
- Power - Peak Pulse:
- -
- Power Line Protection:
- No
- Applications:
- Telecom, USB
- Capacitance @ Frequency:
- 0.155pF @ 1MHz
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DSN0603-2
PESD1V0R1BSFYL FAQ
1.How can I place an order for PESD1V0R1BSFYL through Aetrix?
Please submit a Request for Quotation (RFQ) for PESD1V0R1BSFYL 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 PESD1V0R1BSFYL reliable?
The price and inventory of PESD1V0R1BSFYL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PESD1V0R1BSFYL is usually 5 days.
3.What payment methods are accepted for PESD1V0R1BSFYL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PESD1V0R1BSFYL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PESD1V0R1BSFYL?
PESD1V0R1BSFYL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PESD1V0R1BSFYL 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 PESD1V0R1BSFYL?
For technical support, including PESD1V0R1BSFYL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PESD1V0R1BSFYL requirements.
6.How does Aetrix verify that PESD1V0R1BSFYL is sourced from the original manufacturer or authorized distributors?
All PESD1V0R1BSFYL 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 PESD1V0R1BSFYL meets industry standards.
7.What is the process for return or replacement of PESD1V0R1BSFYL?
All PESD1V0R1BSFYL units undergo pre-shipment inspection (PSI). If there is an issue with PESD1V0R1BSFYL, 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 PESD1V0R1BSFYL part is unused and in its original packaging.
Return procedure for PESD1V0R1BSFYL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PESD1V0R1BSFYL Tags
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