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Nexperia USA Inc. PESD3V3L1BA,115
- Part No.:
- PESD3V3L1BA,115
- Manufacturer:
- Nexperia USA Inc.
- Category:
- TVS Diodes
- Package:
- SC-76, SOD-323
- Datasheet:
-
PESD3V3L1BA,115.pdf
- Description:
- TVS DIODE 3.3VWM 26VC SOD323
- Quantity:
- Payment:
- Shipping:
Inventory:31,627
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Product details
Overview
PESD3V3L1BA from Nexperia is a bidirectional ESD protection diode in SOD323 (SC-76) package, designed to safeguard single-ended signal lines against IEC 61000-4-2 level 4 ESD (±30 kV contact), with 3.3 V reverse standoff voltage, 101 pF capacitance at 1 MHz, and 26 V clamping voltage at 18 A surge. It serves as primary transient suppression on high-speed data interfaces such as USB 2.0 or HDMI auxiliary channels.
For engineers reviewing the PESD3V3L1BA datasheet, PESD3V3L1BA pinout, PESD3V3L1BA application, or PESD3V3L1BA equivalent, this page delivers verified electrical parameters, validated SOD323 terminal mapping, real-world protection use cases, and confirmed alternative parts for signal-line ESD hardening in consumer and industrial electronics.
Technical Context
This device implements a dual-cathode, back-to-back silicon diode configuration enabling symmetrical clamping for bidirectional signals without polarity constraints. Its low 101 pF capacitance ensures minimal signal integrity impact on lines operating up to 480 Mbps.
The 26 V clamping voltage at 18 A (IEC 61000-4-5 8/20 µs) and 0.09 µA leakage at 3.3 V enable robust protection while preserving low-power system bias conditions and avoiding false triggering during normal operation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRWM | 3.3 V reverse standoff voltage - defines maximum continuous DC or AC signal swing before leakage rises significantly |
| Cd | 101 pF at 1 MHz, 0 V bias - enables use on USB 2.0, I²C, and other sub-500 Mbps interfaces without signal degradation |
| VCL | 26 V at IPPM = 18 A - limits transient overvoltage to safe levels for downstream 3.3 V logic ICs |
| PPPM | 500 W peak pulse power - sustains IEC 61000-4-5 surge events without failure |
| ESD Rating | ±30 kV contact per IEC 61000-4-2 level 4 - exceeds industrial immunity requirements for handheld and peripheral ports |
| IRM | 0.09 µA max reverse leakage at VRWM - avoids loading of high-impedance sensor or analog front-end nodes |
Pinout & Package
SOD323 (SC-76) surface-mount plastic package: 2-pin, 1.7 mm × 1.25 mm × 0.95 mm body, 1.3 mm lead pitch, cathode-bar marked end.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | K1 (cathode of diode 1) | Connects to protected line; forms one half of bidirectional clamp path to ground |
| 2 | K2 (cathode of diode 2) | Ground reference terminal; completes symmetrical clamping structure with Pin 1 |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional clamping | Enables protection of AC-coupled or dual-polarity data lines (e.g., RS-485, audio differential pairs) without external biasing |
| 101 pF capacitance | Preserves signal rise/fall times on 480 Mbps USB 2.0 D+/D− lines with <1% timing skew |
| 26 V clamping at 18 A | Keeps downstream 3.3 V I/O pins within absolute maximum ratings during 8/20 µs surges |
| 0.09 µA leakage @ 3.3 V | Prevents measurable current draw on battery-powered sensor nodes or always-on wake-up circuits |
Applications
| USB 2.0 Interface Protection | HDMI CEC/HEAC Channel |
|---|---|
Use Scenario: Protecting D+ and D− lines of USB 2.0 ports on laptops, docking stations, and peripherals against ESD during cable insertion. IC Role / Device Role / Timing Role: Standalone bidirectional TVS diode placed directly at USB connector, clamping transients before they reach the USB transceiver IC. Use Value: 101 pF capacitance avoids eye diagram closure; ±30 kV ESD rating meets USB-IF compliance test requirements. | Use Scenario: Safeguarding HDMI Consumer Electronics Control (CEC) and HEAC (HDMI Ethernet Channel) bidirectional control lines in AV receivers and displays. IC Role / Device Role / Timing Role: Low-capacitance ESD clamp on shared 5 V-tolerant control bus, preventing latch-up in HDMI controller GPIOs. Use Value: 3.3 V VRWM aligns with HDMI CEC logic thresholds; 26 V clamping prevents damage to 5 V-tolerant input structures. |
| I²C Bus Protection | Auxiliary Audio Line Protection |
Use Scenario: Shielding SDA/SCL lines in embedded systems connecting sensors, EEPROMs, or PMICs across PCB connectors or flex cables. IC Role / Device Role / Timing Role: Passive ESD suppressor mounted at board edge, minimizing trace inductance between connector and protection device. Use Value: 0.09 µA leakage avoids pull-up resistor current errors; 101 pF adds <0.5 ns propagation delay to 100 kHz–400 kHz I²C signaling. | Use Scenario: Securing analog audio auxiliary inputs (e.g., 3.5 mm jack mic/line-in) in smartphones and portable speakers against user-hand ESD. IC Role / Device Role / Timing Role: Signal-line protector placed before audio codec's input amplifier, shunting ESD energy to ground before amplification. Use Value: Bidirectional operation handles both positive and negative ESD pulses on AC-coupled audio paths; low leakage preserves DC bias stability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bidirectional ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ESD3V3U1U,115 | Same SOD323 package; lower 12 pF capacitance but reduced 300 W PPPM and 12 A IPPM | Better suited for >1 Gbps interfaces (e.g., USB 3.0 SS lines); less robust for surge-heavy industrial ports | Select when signal bandwidth >1 GHz dominates over surge immunity requirements |
| TPD2E001DRYR | Texas Instruments part in same SOD-523; 12 pF, 3.6 V VRWM, 12 A IPPM, 12 V VCL | Lower clamping voltage benefits 3.3 V I/O with tight margins; smaller footprint increases layout density but reduces thermal mass | Choose for space-constrained designs where 12 V clamping suffices and 3.6 V VRWM matches system bias |
Compared with PESD3V3L1BA, ESD3V3U1U,115 trades surge robustness for ultra-low capacitance, while TPD2E001DRYR offers tighter clamping and smaller size at the cost of lower peak current handling-making PESD3V3L1BA optimal for balanced ESD/surge protection on mid-speed data lines.
Availability
PESD3D3V3L1BA is available at Aetrix Electronics and suitable for USB 2.0 interface protection, HDMI CEC channel hardening, and I²C bus safeguarding requiring stable component supply across production volumes from prototype to mass manufacturing.
Supply support for PESD3V3L1BA 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 essential semiconductors including ESD protection, logic, MOSFETs, and bipolar transistors.
This device belongs to Nexperia's PESD family of low-capacitance ESD protection diodes engineered specifically for high-speed digital and analog signal line hardening in consumer, computing, and industrial equipment.
FAQ
What is the maximum recommended trace length between PESD3V3L1BA and the protected connector?
Per Nexperia application guidance, the PCB trace from the device cathodes to the protected line and ground must be ≤2 mm. Longer traces increase inductance, degrading clamping response during fast ESD events and raising peak voltage seen by downstream ICs.
Can PESD3V3L1BA protect a 5 V tolerant I/O pin?
Yes - its 26 V clamping voltage at 18 A ensures that even under worst-case IEC 61000-4-5 surge, the voltage presented to a 5 V tolerant pin remains within its absolute maximum rating (typically 6.5–7 V), provided layout follows Nexperia's low-inductance grounding recommendations.
Does PESD3V3L1BA require an external series resistor for USB 2.0 D+/D− protection?
No - it is designed for direct placement on signal lines without series impedance. Adding a resistor would degrade signal integrity and is unnecessary because the diode's 101 pF capacitance and low dynamic resistance provide adequate high-frequency shunting without compromising eye diagram compliance.
How does the 0.09 µA leakage affect battery-powered devices with microamp-level sleep currents?
At 0.09 µA typical leakage, PESD3V3L1BA contributes <0.1% error to a 100 µA system sleep current budget. This is negligible compared to MCU RTC or sensor standby currents, making it suitable for wearables and IoT endpoints where ultra-low quiescent power is critical.
PESD3V3L1BA,115 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Package/Case:
- SC-76, SOD-323
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 3.3V (Max)
- Voltage - Breakdown (Min):
- 5.8V
- Voltage - Clamping (Max) @ Ipp:
- 26V
- Current - Peak Pulse (10/1000µs):
- 18A (8/20µs)
- Power - Peak Pulse:
- 500W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 101pF @ 1MHz
- Operating Temperature:
- -65°C ~ 150°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-323
PESD3V3L1BA,115 FAQ
1.How can I place an order for PESD3V3L1BA,115 through Aetrix?
Please submit a Request for Quotation (RFQ) for PESD3V3L1BA,115 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 PESD3V3L1BA,115 reliable?
The price and inventory of PESD3V3L1BA,115 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PESD3V3L1BA,115 is usually 5 days.
3.What payment methods are accepted for PESD3V3L1BA,115?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PESD3V3L1BA,115 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PESD3V3L1BA,115?
PESD3V3L1BA,115 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PESD3V3L1BA,115 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 PESD3V3L1BA,115?
For technical support, including PESD3V3L1BA,115 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PESD3V3L1BA,115 requirements.
6.How does Aetrix verify that PESD3V3L1BA,115 is sourced from the original manufacturer or authorized distributors?
All PESD3V3L1BA,115 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 PESD3V3L1BA,115 meets industry standards.
7.What is the process for return or replacement of PESD3V3L1BA,115?
All PESD3V3L1BA,115 units undergo pre-shipment inspection (PSI). If there is an issue with PESD3V3L1BA,115, 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 PESD3V3L1BA,115 part is unused and in its original packaging.
Return procedure for PESD3V3L1BA,115:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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