Nexperia USA Inc. PESD12VL2BT,215
- Part No.:
- PESD12VL2BT,215
- Manufacturer:
- Nexperia USA Inc.
- Category:
- TVS Diodes
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
PESD12VL2BT,215.pdf
- Description:
- TVS DIODE 12VWM 37VC TO236AB
- Quantity:
- Payment:

- Shipping:

Inventory:10,943
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Product details
Overview
PESD12VL2BT from Nexperia is a low-capacitance, double bidirectional ESD protection diode in SOT23 package, designed to safeguard two signal lines against ±30 kV IEC 61000-4-2 ESD and 5 A IEC 61000-4-5 surge transients. It features 12 V reverse standoff voltage, 19 pF capacitance at 1 MHz, and 37 V clamping voltage at 5 A, enabling high-fidelity signal integrity in high-speed interfaces such as USB 2.0 and HDMI data lanes.
For engineers reviewing the PESD12VL2BT datasheet, PESD12VL2BT pinout, PESD12VL2BT application, or PESD12VL2BT equivalent, key selection criteria include bidirectional clamping capability, ultra-low leakage (1 nA), AEC-Q101 qualification for automotive environments, and SOT23 footprint compatibility with space-constrained portable electronics layouts.
Technical Context
This device implements a dual-cathode, symmetric bidirectional TVS structure with shared common cathode (Pin 3), enabling independent but matched protection of two signal lines referenced to ground. Its differential resistance of 200 Ω ensures fast transient response without signal distortion.
Designed for operation across –65 °C to +150 °C ambient, it maintains stable clamping performance under thermal stress and supports reflow soldering per JEDEC J-STD-020. The 19 pF capacitance enables use on 480 Mbps USB 2.0 lines without measurable eye diagram degradation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse Standoff Voltage | 12 V - Ensures no conduction during normal 3.3 V/5 V signal operation; defines maximum continuous working voltage before breakdown. |
| Clamping Voltage | 37 V at 5 A - Limits transient voltage seen by downstream ICs during 8/20 µs surge events, protecting 3.3 V logic inputs. |
| Diode Capacitance | 19 pF at 1 MHz - Enables use on high-speed digital lines (e.g., USB 2.0, SDIO) without signal integrity loss or timing skew. |
| Peak Pulse Power | 200 W - Sustains single-event ESD/surge energy without failure, validated per IEC 61000-4-5 waveform. |
| ESD Withstand Level | ±30 kV contact discharge - Meets IEC 61000-4-2 Level 4, exceeding industrial and automotive system immunity requirements. |
| Leakage Current | 1 nA at 12 V - Prevents DC loading on sensitive analog or RF signal paths, critical for battery-powered sensor interfaces. |
| AEC-Q101 Qualified | Yes - Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD robustness per AEC standard. |
Pinout & Package
SOT23 plastic surface-mount package (2.9 mm × 1.3 mm × 1.0 mm body, 1.9 mm lead pitch), compliant with JEDEC TO-236AB outline and RoHS/REACH requirements.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | K1 | First cathode terminal - connects to protected line 1; forms one half of bidirectional clamp path to common cathode (Pin 3). |
| 2 | K2 | Second cathode terminal - connects to protected line 2; forms second independent bidirectional clamp path to common cathode (Pin 3). |
| 3 | CC | Common cathode - tied to system ground; serves as shared return node for both ESD current paths during positive or negative transients. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-line bidirectional protection | Single SOT23 device protects two independent signal lines (e.g., D+ and D−) with matched clamping characteristics and shared ground reference. |
| Ultra-low signal loading | 19 pF capacitance and 1 nA leakage preserve rise time and DC bias integrity on high-speed or low-power analog lines. |
| Automotive-grade reliability | AEC-Q101 qualification confirms suitability for infotainment, ADAS camera links, and telematics modules exposed to harsh thermal and ESD environments. |
| IEC-compliant transient suppression | Validated to IEC 61000-4-2 (±30 kV) and IEC 61000-4-5 (5 A, 8/20 µs), ensuring interoperability with global EMC test standards. |
Applications
| USB 2.0 Data Lines | HDMI Hot-Plug Detection |
|---|---|
|
Use Scenario: Protection of D+ and D− differential pairs in portable USB hosts and peripherals against user-handling ESD. IC Role / Device Role: Bidirectional transient voltage suppressor placed within 3 mm of USB connector, shunting ESD current to ground via Pin 3. Use Value: Maintains 480 Mbps data integrity with <1% eye closure due to 19 pF capacitance and prevents PHY latch-up from ±15 kV air discharge. |
Use Scenario: Guarding HDMI HPD (Hot-Plug Detect) and CEC (Consumer Electronics Control) lines in AV receivers and set-top boxes. IC Role / Device Role: Dual-line ESD clamp isolating low-voltage control signals from external cable-borne transients during plug/unplug cycles. Use Value: Eliminates false HPD toggling and CEC bus lockup by clamping transients to ≤37 V while drawing only 1 nA during standby. |
| Automotive Camera Serial Link | SIM Card Interface |
|
Use Scenario: Protecting GMSL or FPD-Link III serial data and clock lines in rear-view and surround-view camera modules. IC Role / Device Role: Low-capacitance ESD guard on bidirectional control/data lanes operating up to 3 Gbps, mounted adjacent to connector. Use Value: Prevents pixel corruption and frame drop caused by ESD-induced receiver saturation, validated over –40 °C to +105 °C junction range. |
Use Scenario: Shielding SIM VCC, I/O, and CLK pins in smartphones and IoT cellular modules from insertion/removal ESD. IC Role / Device Role: Dual-channel protector covering power and data lines simultaneously, leveraging shared cathode for compact layout. Use Value: Avoids SIM card reset or communication timeout by limiting transient voltage to 37 V with sub-nA leakage preserving battery life. |
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 NUP4202MR6T1G | Higher capacitance (35 pF), lower clamping voltage (27 V at 5 A), same SOT23-3 package and dual-line topology. | Better for low-voltage 1.8 V systems needing tighter clamping; less suitable for 480 Mbps USB due to higher capacitance. | Select when clamping voltage priority outweighs speed; verify eye diagram margin with 35 pF loading. |
| Vishay VEML6030X01 | Not applicable - optical ambient light sensor; invalid alternative. No valid alternative found meeting all functional and parametric criteria. | N/A | Do not substitute; VEML6030X01 is unrelated functionally and electrically. |
Compared with NUP4202MR6T1G, PESD12VL2BT offers 49% lower capacitance for superior high-speed signal fidelity, while trading 10 V higher clamping voltage - a favorable trade-off for 3.3 V–5 V interfaces where voltage margin exceeds 12 V.
Availability
PESD12VL2BT is available at Aetrix Electronics and suitable for USB 2.0 interface protection, automotive camera serial links, and SIM card interface hardening requiring stable component supply across production lifecycles.
Supply support for PESD12VL2BT 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 leading semiconductor manufacturer headquartered in Nijmegen, Netherlands, specializing in high-performance, high-reliability discrete and logic devices for automotive, industrial, and consumer markets.
PESD12VL2BT belongs to Nexperia's TrEOS ESD protection portfolio, engineered specifically for ultra-low-capacitance, bidirectional transient suppression in high-speed digital and automotive serial interfaces.
FAQ
What is the maximum recommended PCB trace length between PESD12VL2BT and the protected connector?
Per Nexperia application guidance, the trace length from each protected line (Pins 1 and 2) to the connector should be ≤3 mm, and the ground path from Pin 3 to the system ground plane must be direct and low-inductance. Longer traces increase inductance, degrading clamping response and allowing voltage overshoot beyond 37 V during fast ESD events.
Can PESD12VL2BT protect AC-coupled signal lines?
Yes - its bidirectional symmetry and 12 V reverse standoff allow safe operation on AC-coupled lines swinging above and below ground (e.g., LVDS, USB differential pairs). The 19 pF capacitance does not interfere with coupling capacitor impedance, and clamping activates equally for positive and negative transients relative to ground.
Is thermal derating required for PESD12VL2BT at elevated ambient temperatures?
Yes - peak pulse power drops to ~70% of 200 W at 125 °C junction temperature, per Figure 4 in the datasheet. For sustained surge conditions above 85 °C ambient, reduce expected pulse repetition rate or confirm thermal design allows Tj ≤ 125 °C using the device's 200 Ω differential resistance and package thermal resistance.
Does PESD12VL2BT require external series resistors for optimal ESD protection?
No - it is designed for direct placement between signal line and ground with no series impedance. Adding series resistance increases total clamping voltage (VCL + IPP × Rseries) and delays response. Layout best practice is short, direct routing to ground plane with minimum loop area, not added components.
PESD12VL2BT,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:
- -
- Bidirectional Channels:
- 2
- 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:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TO-236AB
PESD12VL2BT,215 FAQ
1.How can I place an order for PESD12VL2BT,215 through Aetrix?
Please submit a Request for Quotation (RFQ) for PESD12VL2BT,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 PESD12VL2BT,215 reliable?
The price and inventory of PESD12VL2BT,215 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PESD12VL2BT,215 is usually 5 days.
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PESD12VL2BT,215 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PESD12VL2BT,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 PESD12VL2BT,215?
For technical support, including PESD12VL2BT,215 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PESD12VL2BT,215 requirements.
6.How does Aetrix verify that PESD12VL2BT,215 is sourced from the original manufacturer or authorized distributors?
All PESD12VL2BT,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 PESD12VL2BT,215 meets industry standards.
7.What is the process for return or replacement of PESD12VL2BT,215?
All PESD12VL2BT,215 units undergo pre-shipment inspection (PSI). If there is an issue with PESD12VL2BT,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 PESD12VL2BT,215 part is unused and in its original packaging.
Return procedure for PESD12VL2BT,215:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PESD12VL2BT,215 Tags

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Nexperia USA Inc.

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