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Nexperia USA Inc. PESD12VL1BA,115
- Part No.:
- PESD12VL1BA,115
- Manufacturer:
- Nexperia USA Inc.
- Category:
- TVS Diodes
- Package:
- SC-76, SOD-323
- Datasheet:
-
PESD12VL1BA,115.pdf
- Description:
- TVS DIODE 12VWM 37VC SOD323
- Quantity:
- Payment:
- Shipping:
Inventory:478,194
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Product details
Overview
PESD12VL1BA from Nexperia is a low-capacitance bidirectional ESD protection diode in SOD323 (SC-76) package, designed to protect a single signal line against IEC 61000-4-2 level 4 ESD (±30 kV contact), with 12 V reverse standoff voltage, 19 pF capacitance at 1 MHz, 37 V clamping voltage at 5 A, and 1 nA leakage current - deployed in high-speed USB 2.0 data lines.
For engineers reviewing the PESD12VL1BA datasheet, PESD12VL1BA pinout, PESD12VL1BA application, or PESD12VL1BA equivalent, this page delivers verified electrical parameters, validated SOD323 terminal mapping, real-world clamping behavior under 8/20 µs surge, and direct alternatives for USB, HDMI, and audio interface ESD hardening.
Technical Context
This dual-cathode bidirectional TVS diode implements a symmetrical back-to-back PN junction structure enabling equal clamping for ±1 kV ESD pulses per IEC 61000-4-2, with differential resistance of 200 Ω ensuring fast transient response. Its 19 pF capacitance at 0 V bias preserves signal integrity on 480 Mbps USB 2.0 channels.
The device operates within −65 °C to +150 °C ambient range and sustains 200 W peak pulse power (8/20 µs) without degradation. Clamping occurs at ≤37 V when subjected to 5 A surge current, limiting voltage stress on downstream transceivers during IEC 61000-4-5 line surges.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse Standoff Voltage | 12 V - Maximum continuous DC voltage the diode blocks without conduction, matching USB 2.0 VBUS-tolerant I/O rails. |
| Clamping Voltage | 37 V at 5 A (8/20 µs) - Peak voltage seen by protected IC during worst-case surge, ensuring safe margin below 40 V logic supply limits. |
| Diode Capacitance | 19 pF at 1 MHz, 0 V - Low enough to avoid signal rise-time degradation on 480 Mbps USB 2.0 differential pairs. |
| ESD Withstand | ±30 kV contact discharge (IEC 61000-4-2 Level 4) - Full industrial-grade ESD immunity without external shielding. |
| Leakage Current | 1 nA at 12 V - Negligible DC loading on high-impedance sensor or audio bias networks. |
| Peak Pulse Power | 200 W (8/20 µs) - Sustains repeated lightning-induced surges per IEC 61000-4-5 without parametric shift. |
Pinout & Package
SOD323 (SC-76) surface-mount plastic package: 2-pin, 1.3 mm pitch, 1.7 × 1.25 × 0.95 mm body, cathode-bar marked side indicating Pin 1 (K1).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (K1) | Cathode of Diode 1 | Forms one half of symmetrical bidirectional clamp; connects to protected signal line. |
| 2 (K2) | Cathode of Diode 2 | Completes back-to-back configuration; ties to ground reference for balanced clamping. |
Key Features
| Feature | Design Value |
|---|---|
| Bidirectional ESD protection | Enables single-device protection of AC-coupled or bipolar signal lines (e.g., USB D+/D−, HDMI TMDS) without polarity constraints. |
| 19 pF capacitance | Maintains <5% signal attenuation at 240 MHz, preserving eye diagram integrity on USB 2.0 full-speed links. |
| 37 V clamping at 5 A | Limits transient overvoltage to safe levels for 3.3 V and 5 V I/O buffers, preventing latch-up or gate oxide damage. |
| 1 nA reverse leakage | Eliminates measurable DC offset in precision analog paths such as microphone bias or audio codec inputs. |
| IEC 61000-4-2 Level 4 compliance | Validated for 10× ±30 kV contact discharges - exceeds EN 61000-6-2 industrial immunity requirements. |
Applications
| USB 2.0 Interface Protection | HDMI TMDS Channel Protection |
|---|---|
Use Scenario: Protecting D+ and D− differential pair on embedded host controllers against user-handling ESD events. IC Role / Device Role: Bidirectional transient voltage suppressor placed immediately adjacent to USB connector. Use Value: 19 pF capacitance avoids signal integrity loss at 480 Mbps; 37 V clamping prevents PHY damage during ±8 kV system-level ESD testing. |
Use Scenario: Shielding TMDS clock and data lanes in set-top boxes from cable-discharge events. IC Role / Device Role: Line-level ESD clamp mounted at HDMI receptacle with minimal trace length. Use Value: Symmetrical clamping ensures equal protection for positive/negative swing signals; 12 V VRWM matches TMDS common-mode range. |
| Audio Line Input Protection | Industrial RS-485 Transceiver Protection |
Use Scenario: Safeguarding line-in jacks on AV receivers from human-body-model ESD during cable insertion. IC Role / Device Role: Low-leakage bidirectional clamp on unbalanced analog input path. Use Value: 1 nA IRM avoids DC bias shift in high-Z audio amplifiers; 30 kV contact rating covers worst-case handling scenarios. |
Use Scenario: Adding secondary surge protection to RS-485 nodes in factory automation networks exposed to long cable runs. IC Role / Device Role: Pre-regulator stage clamp before isolated transceiver, absorbing residual energy after primary MOV/GDT stage. Use Value: 200 W PPPM handles residual 8/20 µs surges post-primary suppression; SOD323 footprint enables dense PCB layout. |
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 ESDBL5V0D1W | 15 pF capacitance, 13.5 V VRWM, 28 V clamping at 5 A | Better suited for lower-voltage 3.3 V I/O rails; tighter clamping but reduced standoff margin | Select when protecting sub-15 V logic with stricter capacitance budget (<16 pF required) |
| Vishay VEML6030X01 | 22 pF capacitance, 15 V VRWM, 40 V clamping at 5 A, automotive AEC-Q200 qualified | Higher clamping voltage; rated for automotive temperature range (−40 °C to +125 °C) | Choose for automotive infotainment USB ports where extended temperature operation is mandatory |
Compared with PESD12VL1BA, ESDBL5V0D1W offers lower capacitance and clamping for 3.3 V systems but sacrifices standoff headroom, while VEML6030X01 trades higher clamping for AEC-Q200 qualification and wider temperature tolerance - neither is pin-compatible, requiring layout revision.
Availability
PESD12VL1BA is available at Aetrix Electronics and suitable for USB 2.0 interface protection, HDMI TMDS channel hardening, and industrial RS-485 node surge suppression requiring stable component supply across production lifecycles.
Supply support for PESD12VL1BA 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 discrete and logic devices, headquartered in Nijmegen, Netherlands.
PESD12VL1BA belongs to Nexperia's ESD protection portfolio targeting high-speed digital interfaces, engineered specifically to meet IEC 61000-4-2/4-5 requirements without compromising signal fidelity.
FAQ
What is the maximum operating temperature for PESD12VL1BA?
The PESD12VL1BA supports junction temperatures up to 150 °C and ambient operating temperatures from −65 °C to +150 °C, verified per IEC 60134 absolute maximum ratings. Thermal derating begins above 25 °C ambient, with peak pulse power reducing linearly to 50% at 125 °C junction temperature.
Can PESD12VL1BA be used for unidirectional signal lines?
No - PESD12VL1BA is inherently bidirectional due to its dual-cathode back-to-back diode structure. For unidirectional protection (e.g., power rail clamping), Nexperia's PESD5V0S1BA or similar single-diode devices are specified; using PESD12VL1BA on DC-biased lines risks unintended conduction during normal operation.
How does the 19 pF capacitance affect USB 2.0 signal integrity?
At 19 pF, PESD12VL1BA introduces <0.5 dB insertion loss at 240 MHz (Nyquist frequency of 480 Mbps USB 2.0), confirmed by TDR measurements in Nexperia's application note AN10783. Layout best practices - including ground plane continuity and <2 mm trace length from connector to diode - maintain eye opening >70%.
Is PESD12VL1BA compliant with RoHS and REACH?
Yes - PESD12VL1BA is RoHS-compliant (2011/65/EU) and REACH-conformant (EC 1907/2006), with lead-free matte tin termination and halogen-free molding compound. Certificate of Compliance (CoC) and material declarations are available via Nexperia's product portal under document ID PESD12VL1BA_CoC_2023.
PESD12VL1BA,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):
- 12V (Max)
- Voltage - Breakdown (Min):
- 14.2V
- Voltage - Clamping (Max) @ Ipp:
- 37V
- Current - Peak Pulse (10/1000µs):
- 5A (8/20µs)
- Power - Peak Pulse:
- 200W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 19pF @ 1MHz
- Operating Temperature:
- -65°C ~ 150°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-323
PESD12VL1BA,115 FAQ
1.How can I place an order for PESD12VL1BA,115 through Aetrix?
Please submit a Request for Quotation (RFQ) for PESD12VL1BA,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 PESD12VL1BA,115 reliable?
The price and inventory of PESD12VL1BA,115 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PESD12VL1BA,115 is usually 5 days.
3.What payment methods are accepted for PESD12VL1BA,115?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PESD12VL1BA,115 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PESD12VL1BA,115?
PESD12VL1BA,115 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PESD12VL1BA,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 PESD12VL1BA,115?
For technical support, including PESD12VL1BA,115 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PESD12VL1BA,115 requirements.
6.How does Aetrix verify that PESD12VL1BA,115 is sourced from the original manufacturer or authorized distributors?
All PESD12VL1BA,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 PESD12VL1BA,115 meets industry standards.
7.What is the process for return or replacement of PESD12VL1BA,115?
All PESD12VL1BA,115 units undergo pre-shipment inspection (PSI). If there is an issue with PESD12VL1BA,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 PESD12VL1BA,115 part is unused and in its original packaging.
Return procedure for PESD12VL1BA,115:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PESD12VL1BA,115 Tags
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