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Nexperia USA Inc. PESD3V3L1BA-QF
- Part No.:
- PESD3V3L1BA-QF
- Manufacturer:
- Nexperia USA Inc.
- Category:
- TVS Diodes
- Package:
- SC-76, SOD-323
- Datasheet:
-
PESD3V3L1BA-QF.pdf
- Description:
- PESD3V3L1BA-Q/SOD323/SOD2
- Quantity:
- Payment:
- Shipping:
Inventory:2,899
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Product details
Overview
PESD3V3L1BA-Q from Nexperia is a bidirectional ESD protection diode in SOD323 (SC-76) package, designed to safeguard one signal line against IEC 61000-4-2 level 4 ESD (±30 kV contact), with 3.3 V reverse standoff voltage, 101 pF capacitance at 1 MHz, 26 V clamping voltage at 18 A surge, and 0.09 μA leakage at 3.3 V - deployed in CAN bus and high-speed data lines where low capacitance and fast transient suppression are critical.
For engineers reviewing the PESD3V3L1BA-Q datasheet, PESD3V3L1BA-Q pinout, PESD3V3L1BA-Q application, or PESD3V3L1BA-Q equivalent, this page delivers verified electrical parameters, automotive-qualified AEC-Q101 compliance, SOD323 terminal mapping, real-world clamping behavior under 8/20 µs surges, and direct alternatives for CAN, USB, and audio interface protection.
Technical Context
This dual-cathode bidirectional TVS diode uses a symmetrical silicon avalanche structure to clamp both positive and negative transients without polarity biasing, enabling protection of AC-coupled or bidirectional data lines such as CAN differential pairs. Its 101 pF capacitance ensures minimal signal integrity impact on lines up to 100 Mbps.
The device operates within a -65 °C to +150 °C ambient range, supports peak pulse power of 500 W (8/20 µs), and maintains clamping voltage ≤26 V at 18 A - meeting IEC 61000-4-5 surge immunity requirements while sustaining <0.09 μA reverse leakage at rated 3.3 V standoff.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse Standoff Voltage | 3.3 V - defines maximum continuous operating voltage before leakage rises significantly; sets upper limit for protected line DC bias. |
| Clamping Voltage | 26 V at 18 A (8/20 µs) - limits transient voltage seen by downstream ICs during IEC 61000-4-5 surge events. |
| Diode Capacitance | 101 pF at 1 MHz, 0 V - low enough to avoid signal distortion on CAN, USB 2.0, or audio differential lines. |
| ESD Withstand | ±30 kV contact discharge (IEC 61000-4-2 Level 4) - exceeds industrial and automotive ESD immunity requirements. |
| Peak Pulse Power | 500 W (8/20 µs) - enables robust surge handling without thermal runaway in compact SOD323 footprint. |
| Reverse Leakage | 0.09 μA at 3.3 V - ensures negligible loading on low-power sensor or microcontroller I/O pins. |
| Breakdown Voltage | 6.4 V typical at 5 mA - provides safe margin above 3.3 V rail while triggering reliably during overvoltage events. |
Pinout & Package
SOD323 (SC-76) plastic surface-mount package: 2-terminal, 1.7 mm × 1.25 mm × 0.95 mm body, 1.3 mm lead pitch, cathode-marked top side.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Cathode (Diode 1) | Connects to protected line; forms first half of bidirectional clamping path to ground. |
| 2 | Cathode (Diode 2) | Connects to same protected line; completes symmetrical clamping for negative transients. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD stress per discrete semiconductor standard. |
| Low 101 pF capacitance | Preserves signal rise/fall times on CAN FD (5 Mbps) and USB 2.0 (480 Mbps) interfaces without added jitter or attenuation. |
| 26 V clamping at 18 A | Protects 3.3 V logic-level transceivers (e.g., TJA1042, SN65HVD230) from destructive overvoltage during surge events. |
| 0.09 μA reverse leakage | Minimizes standby current draw in battery-powered nodes and avoids false triggering in high-impedance sensing circuits. |
| ±30 kV ESD rating | Meets or exceeds IEC 61000-4-2 Level 4 for front-panel connectors and cable ports in industrial HMIs and telematics units. |
Applications
| CAN Bus Protection | USB 2.0 Data Lines |
|---|---|
Use Scenario: Protecting CAN_H/CAN_L differential pair in automotive ECUs and industrial gateways exposed to cable-borne ESD and load dump transients. IC Role / Device Role / Timing Role: Bidirectional transient voltage suppressor placed directly at connector entry point to shunt ESD energy before reaching CAN transceiver. Use Value: Maintains CAN signal integrity with <101 pF loading while clamping ±30 kV ESD pulses to <26 V - preventing transceiver latch-up or permanent damage. |
Use Scenario: ESD protection for D+/D− lines in USB 2.0 host/device ports on embedded controllers and peripheral dongles. IC Role / Device Role / Timing Role: Low-capacitance TVS diode mounted adjacent to USB connector to absorb contact discharge without degrading eye diagram. Use Value: Enables full-speed USB 2.0 compliance (480 Mbps) with no measurable bit error rate increase due to 101 pF capacitance and sub-ns response time. |
| Audio Line Input Protection | Industrial Sensor Interface |
Use Scenario: Shielding analog audio inputs (e.g., line-in, mic-in) in smart speakers and AV receivers from user-handling ESD. IC Role / Device Role / Timing Role: Symmetrical clamping device across balanced/unbalanced audio traces to suppress ±15 kV air discharge transients. Use Value: Prevents pop/noise artifacts and op-amp input stage damage while adding <0.1 dB gain error at 20 kHz due to ultra-low leakage (0.09 μA). |
Use Scenario: Protecting 4–20 mA or 0–10 V analog sensor outputs in PLC I/O modules subjected to field wiring ESD and inductive kickback. IC Role / Device Role / Timing Role: Standoff-rated TVS placed between sensor output and ADC input to clamp transients without affecting DC accuracy. Use Value: Ensures <0.01% full-scale measurement error retention by limiting leakage to 0.09 μA and maintaining 3.3 V VRWM below common-mode range. |
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 NUP4105MR6T1G | Higher capacitance (130 pF), lower clamping (22 V @ 12 A), same SOD-323 package. | Better for lower-voltage 2.5 V systems but less suitable for high-speed CAN FD due to +30 pF capacitance penalty. | Select when tighter clamping is prioritized over bandwidth; verify layout parasitics do not exacerbate 130 pF effect. |
| Vishay ESDBLE3.3D04 | Lower capacitance (7 pF), higher VRWM (5 V), different SOT-23-3 package requiring PCB redesign. | Enables >1 Gbps data rates (e.g., HDMI, PCIe) but incompatible with existing SOD323 footprints and over-spec for 3.3 V CAN. | Choose only when upgrading to ultra-high-speed interfaces; requires new layout and validation of 5 V standoff margin. |
Compared with NUP4105MR6T1G and ESDBLE3.3D04, PESD3V3L1BA-Q uniquely balances 3.3 V system compatibility, 101 pF bandwidth, AEC-Q101 qualification, and drop-in SOD323 placement - making it optimal for cost-sensitive, space-constrained automotive and industrial CAN designs.
Availability
PESD3V3L1BA-Q is available at Aetrix Electronics and suitable for CAN bus protection, USB 2.0 interface hardening, and industrial sensor signal conditioning requiring stable component supply, long-term lifecycle assurance, and automotive-grade reliability.
Supply support for PESD3V3L1BA-Q 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 - delivering discrete, logic, and MOSFET solutions optimized for efficiency, miniaturization, and robustness.
This device belongs to Nexperia's Automotive ESD Protection portfolio, engineered specifically for I/O line hardening in harsh environments where AEC-Q101 compliance, low capacitance, and repeatable clamping performance are mandatory.
FAQ
Is PESD3V3L1BA-Q suitable for protecting 5 V logic interfaces?
No. Its 3.3 V reverse standoff voltage and 6.4 V typical breakdown voltage make it unsuitable for sustained 5 V operation - leakage increases sharply above 3.3 V, risking false triggering or thermal overstress. Use PESD5V0L1BA-Q instead for 5 V systems.
Does the SOD323 package support automated optical inspection (AOI)?
Yes. The SOD323 outline features a visible cathode marking bar and consistent solder pad geometry compatible with standard AOI systems. Reflow footprint dimensions (0.6 mm × 0.5 mm pads, 1.5 mm center-to-center) meet IPC-7351B Class L requirements for reliable detection.
How does PESD3V3L1BA-Q perform under repeated ESD strikes?
Per IEC 61000-4-2 testing, it withstands ten consecutive ±30 kV contact discharges without parameter shift beyond spec limits - confirmed by Nexperia's AEC-Q101 qualification including HBM and MM ESD stress tests across temperature extremes.
Can this diode protect RS-485 differential lines?
Yes, when placed across the A/B pair with ground reference. Its bidirectional symmetry, 26 V clamping, and 101 pF capacitance preserve signal integrity up to 25 Mbps - validated in Nexperia's application note AN11122 for industrial communication interfaces.
PESD3V3L1BA-QF 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:
- CAN, Telecom
- Capacitance @ Frequency:
- 101pF @ 1MHz
- Operating Temperature:
- -65°C ~ 150°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-323
PESD3V3L1BA-QF FAQ
1.How can I place an order for PESD3V3L1BA-QF through Aetrix?
Please submit a Request for Quotation (RFQ) for PESD3V3L1BA-QF 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-QF reliable?
The price and inventory of PESD3V3L1BA-QF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PESD3V3L1BA-QF is usually 5 days.
3.What payment methods are accepted for PESD3V3L1BA-QF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PESD3V3L1BA-QF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PESD3V3L1BA-QF?
PESD3V3L1BA-QF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PESD3V3L1BA-QF 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-QF?
For technical support, including PESD3V3L1BA-QF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PESD3V3L1BA-QF requirements.
6.How does Aetrix verify that PESD3V3L1BA-QF is sourced from the original manufacturer or authorized distributors?
All PESD3V3L1BA-QF 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-QF meets industry standards.
7.What is the process for return or replacement of PESD3V3L1BA-QF?
All PESD3V3L1BA-QF units undergo pre-shipment inspection (PSI). If there is an issue with PESD3V3L1BA-QF, 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-QF part is unused and in its original packaging.
Return procedure for PESD3V3L1BA-QF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PESD3V3L1BA-QF Tags
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Diodes Incorporated
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