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Nexperia USA Inc. PESD12VS2UT,215
- Part No.:
- PESD12VS2UT,215
- Manufacturer:
- Nexperia USA Inc.
- Category:
- TVS Diodes
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
PESD12VS2UT,215.pdf
- Description:
- TVS DIODE 12VWM 35VC TO236AB
- Quantity:
- Payment:
- Shipping:
Inventory:9,455
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Product details
Overview
PESD12VS2UT from Nexperia is a unidirectional double ESD protection diode in SOT23 package, designed to safeguard two data or transmission lines against electrostatic discharge. It delivers 35 V clamping voltage at 5 A peak pulse current, supports up to 30 kV IEC 61000-4-2 contact discharge, and maintains ultra-low 20 nA reverse leakage at 12 V standoff-ideal for high-speed USB or HDMI interface protection.
For engineers reviewing the PESD12VS2UT datasheet, PESD12VS2UT pinout, PESD12VS2UT application, or PESD12VS2UT equivalent, key selection criteria include its dual-line unidirectional topology, 38–75 pF capacitance range at 1 MHz, AEC-Q101 qualification, and common-anode SOT23 configuration enabling compact PCB layout near connectors.
Technical Context
This device implements a dual-cathode, single-common-anode structure where pins 1 and 2 serve as independent cathodes for two unidirectional ESD paths to ground via pin 3. Its clamping behavior follows IEC 61000-4-2 (30 kV contact) and IEC 61000-4-5 (5 A, 8/20 µs surge), with breakdown voltage tightly specified at 14.7–15.3 V.
The 38 pF typical capacitance (measured pin 1/2 to pin 3) and <20 nA IR at VRWM = 12 V enable use on high-speed lines without signal integrity degradation. Thermal derating is defined per Fig. 4, maintaining 180 W peak pulse power only at Tj ≤ 25 °C, dropping to ~60% at 125 °C junction temperature.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse Standoff Voltage | 12 V - Maximum continuous line voltage before conduction begins; defines safe operating margin for 12 V nominal interfaces. |
| Clamping Voltage | 35 V at 5 A - Peak voltage seen by protected IC during IEC 61000-4-5 surge; ensures downstream logic remains below absolute maximum ratings. |
| Peak Pulse Power | 180 W at 8/20 µs - Energy-handling capability for transient suppression; validated per IEC 61000-4-5 Level 3. |
| Diode Capacitance | 38–75 pF at 1 MHz - Measured pin-to-common anode; low enough for USB 2.0 (480 Mbps) and parallel port applications. |
| ESD Rating | 30 kV contact / 15 kV air per IEC 61000-4-2 Level 4 - Confirmed survivability for human-body model and system-level ESD events. |
| Breakdown Voltage | 14.7–15.3 V at 5 mA - Tight 0.3 V tolerance ensures predictable turn-on across production lots. |
| AEC-Q101 Qualified | Yes - Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD stress. |
Pinout & Package
SOT23 plastic surface-mount package (2.9 mm × 1.3 mm × 1.0 mm body, 1.9 mm lead pitch), rated for reflow and wave soldering per Figures 9–10.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Cathode (Diode 1) | Connects to first protected line (e.g., USB D+); conducts ESD current to common anode (pin 3) when line voltage exceeds VRWM. |
| 2 | Cathode (Diode 2) | Connects to second protected line (e.g., USB D−); independent clamping path sharing same anode reference. |
| 3 | Common Anode | Must be connected directly to low-inductance ground plane; serves as shared return path for both ESD transients. |
Key Features
| Feature | Design Value |
|---|---|
| Dual unidirectional protection | Two independent cathodes (pins 1 & 2) with shared anode (pin 3) enable discrete protection of separate signal lines without cross-talk. |
| Low clamping voltage | 35 V at 5 A ensures protected ICs (e.g., USB transceivers with 36 V abs max) remain within safe operating limits during surge events. |
| Ultra-low leakage | <20 nA at 12 V minimizes standby current draw and avoids false triggering in battery-powered or high-impedance sensor interfaces. |
| High-speed capacitance | 38 pF typical enables use on 480 Mbps USB 2.0 and 25 MHz parallel bus lines without measurable signal rise-time degradation. |
| AEC-Q101 qualification | Validated for automotive under-hood and infotainment applications requiring extended temperature operation (−65 °C to +150 °C). |
Applications
| USB 2.0 Interface Protection | HDMI Data Lane Protection |
|---|---|
Use Scenario: Protecting differential D+ and D− lines of a USB 2.0 host controller against ESD events during cable insertion. IC Role / Device Role: Unidirectional clamping diode pair providing low-capacitance, fast-response transient suppression. Use Value: 38 pF capacitance prevents signal integrity loss at 480 Mbps; 35 V clamping keeps PHY ICs within 36 V absolute maximum rating. |
Use Scenario: Safeguarding TMDS data channels (0/1/2) on HDMI source devices against handling ESD before display connection. IC Role / Device Role: Dual-line ESD clamp placed at HDMI connector, with common anode tied to chassis ground. Use Value: 30 kV contact ESD rating meets IEC 61000-4-2 Level 4; 12 V VRWM aligns with HDMI DC bias requirements. |
| Automotive Infotainment Port | Industrial Parallel Port Interface |
Use Scenario: Shielding UART or CAN FD debug ports on automotive head units exposed to service technician ESD during diagnostics. IC Role / Device Role: AEC-Q101-qualified dual ESD diode protecting two bidirectional signal lines referenced to vehicle ground. Use Value: Junction temperature rating up to 150 °C supports under-dash mounting; 5 A surge rating handles load dump coupling. |
Use Scenario: Securing 8-bit parallel data bus (D0–D7) on industrial PLC I/O modules connected to external sensors. IC Role / Device Role: Two PESD12VS2UTs used per port (16 lines), each protecting two lines with minimal board area. Use Value: SOT23 footprint allows dense placement near DB25/DB9 connectors; 75 pF max capacitance avoids timing skew on 25 MHz buses. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-line unidirectional ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ON Semiconductor NUP4201MR6T1G | Higher 45 V clamping at 5 A; 55 pF typical capacitance; same SOT23-3L package and common-anode topology. | Better suited for 24 V industrial buses but less optimal for USB 2.0 due to higher capacitance and clamping voltage. | Select when protecting 15–24 V lines where lower capacitance is secondary to higher surge energy handling. |
| Vishay ESDE0402MUT5G | Lower 12 V VRWM; 24 V clamping at 5 A; 15 pF typical capacitance; uses SOD-523 package (smaller, 1.2 × 0.8 mm). | Enables tighter routing on space-constrained mobile PCBs but lacks AEC-Q101 qualification and has lower 12 kV ESD rating. | Prefer for consumer portable devices prioritizing size and speed over automotive reliability or high-voltage surge margin. |
Compared with NUP4201MR6T1G and ESDE0402MUT5G, PESD12VS2UT uniquely balances 30 kV ESD robustness, AEC-Q101 compliance, and 38 pF capacitance-making it the optimal choice for automotive USB/HDMI interfaces where reliability, speed, and regulatory alignment are jointly critical.
Availability
PESD12VS2UT is available at Aetrix Electronics and suitable for USB 2.0 interface protection, automotive infotainment ports, and industrial parallel port interfaces requiring stable component supply across long-lifecycle programs.
Supply support for PESD12VS2UT 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-with manufacturing rooted in process efficiency and automotive-grade quality systems.
PESD12VS2UT belongs to Nexperia's PESDxS2UT series of unidirectional dual ESD diodes engineered specifically for compact, high-speed data line protection in automotive, computing, and industrial equipment where AEC-Q101 validation and low capacitance are mandatory.
FAQ
Is PESD12VS2UT suitable for bidirectional signal lines?
No-PESD12VS2UT is unidirectional only, with cathodes on pins 1 and 2 and a common anode on pin 3. It protects signals referenced positively to ground. For bidirectional lines like RS-485 or CAN, a symmetric dual-diode array (e.g., PESD5V0S1BA) is required instead.
What is the recommended PCB layout for optimal ESD performance?
Place PESD12VS2UT within 2 mm of the protected connector, route protected traces directly to pins 1 and 2 with minimum stub length, connect pin 3 to a solid ground plane using ≥2 thermal vias, and avoid routing unprotected signals adjacent to protected ones to prevent coupling.
Does PESD12VS2UT require external series impedance for USB 2.0 compliance?
No-its 38 pF typical capacitance and 200 Ω differential resistance meet USB 2.0 eye diagram requirements without added series resistors. However, verify signal integrity with IBIS simulation when used on >480 Mbps links or long traces (>10 cm).
Can PESD12VS2UT replace older PESD12VS1UT in existing designs?
No-PESD12VS1UT is a single-line device in SOT23; PESD12VS2UT protects two lines but shares one anode. Direct replacement requires verifying whether both protected lines share the same ground reference and updating PCB layout to accommodate dual-cathode routing.
PESD12VS2UT,215 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 2
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 12V (Max)
- Voltage - Breakdown (Min):
- 14.7V
- Voltage - Clamping (Max) @ Ipp:
- 35V
- Current - Peak Pulse (10/1000µs):
- 5A (8/20µs)
- Power - Peak Pulse:
- 180W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 38pF @ 1MHz
- Operating Temperature:
- -65°C ~ 150°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TO-236AB
PESD12VS2UT,215 FAQ
1.How can I place an order for PESD12VS2UT,215 through Aetrix?
Please submit a Request for Quotation (RFQ) for PESD12VS2UT,215 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 PESD12VS2UT,215 reliable?
The price and inventory of PESD12VS2UT,215 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PESD12VS2UT,215 is usually 5 days.
3.What payment methods are accepted for PESD12VS2UT,215?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PESD12VS2UT,215 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PESD12VS2UT,215?
PESD12VS2UT,215 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PESD12VS2UT,215 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 PESD12VS2UT,215?
For technical support, including PESD12VS2UT,215 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PESD12VS2UT,215 requirements.
6.How does Aetrix verify that PESD12VS2UT,215 is sourced from the original manufacturer or authorized distributors?
All PESD12VS2UT,215 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 PESD12VS2UT,215 meets industry standards.
7.What is the process for return or replacement of PESD12VS2UT,215?
All PESD12VS2UT,215 units undergo pre-shipment inspection (PSI). If there is an issue with PESD12VS2UT,215, 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 PESD12VS2UT,215 part is unused and in its original packaging.
Return procedure for PESD12VS2UT,215:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PESD12VS2UT,215 Tags
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DESD3V3E1BL-7B
Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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D12V0L1B2LP-7B
Diodes Incorporated
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Nexperia USA Inc.
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Toshiba Semiconductor and Storage
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Diodes Incorporated
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