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Nexperia USA Inc. PESD24VL2BAT-QR
- Part No.:
- PESD24VL2BAT-QR
- Manufacturer:
- Nexperia USA Inc.
- Category:
- TVS Diodes
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
PESD24VL2BAT-QR.pdf
- Description:
- BIPOLAR DISCRETES
- Quantity:
- Payment:
- Shipping:
Inventory:1,336
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Product details
Overview
PESD24VL2BAT-QR from Nexperia is a dual-line automotive ESD protection diode in SOT23 package, designed to safeguard CAN-FD, CAN, FlexRay, and SENT bus lines against 30 kV IEC 61000-4-2 and ISO 10605 transients. It features 24 V reverse standoff voltage, 30 V clamping at 1 A, 10 pF capacitance, and AEC-Q101 qualification for under-hood environments.
For engineers reviewing the PESD24VL2BAT-QR datasheet, PESD24VL2BAT-QR pinout, PESD24VL2BAT-QR application, or PESD24VL2BAT-QR equivalent, this page delivers verified electrical parameters, validated automotive bus protection roles, SOT23 terminal mapping, and direct-fit alternatives for CAN-FD and SENT signal line hardening.
Technical Context
This bidirectional TVS diode array integrates two independent cathode-referenced protection paths (K1, K2) sharing a common cathode (CC), enabling symmetrical clamping on differential bus pairs without ground reference dependency. Its 10 pF capacitance and <0.5 Ω dynamic resistance ensure minimal signal distortion on high-speed automotive serial links up to 5 Mbps.
The device operates across –55 °C to +175 °C junction temperature, with clamping performance validated per IEC 61000-4-5 (8/20 µs surge) and IEC 61000-4-2 (ESD), delivering 30 V clamping at 1 A while sustaining 4 A peak pulse current - critical for transient immunity in 12 V/24 V vehicle power domains.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse Standoff Voltage | 24 V - Ensures no conduction during normal 24 V bus operation, preventing leakage-induced signal degradation. |
| Clamping Voltage | 30 V at 1 A - Limits transient overvoltage to safe levels below IC input absolute maximum ratings (e.g., CAN transceivers rated ≤36 V). |
| Diode Capacitance | 10 pF at 0 V - Enables use on >5 Mbps CAN-FD and SENT lines without signal rise-time degradation or jitter. |
| ESD Withstand | 30 kV contact discharge (IEC 61000-4-2 & ISO 10605) - Meets OEM-level ESD immunity requirements for exterior connector interfaces. |
| Peak Pulse Current | 4 A (8/20 µs waveform) - Handles coupled surges from load dump or inductive switching in chassis-grounded systems. |
| Junction Temperature | 175 °C - Supports placement near engine control units or powertrain modules without thermal derating. |
| AEC-Q101 Qualified | Qualified per stress test standard for discrete semiconductors - validates reliability for 15-year automotive service life. |
Pinout & Package
SOT23 (TO-236AB) plastic surface-mount package: 3-terminal, 1.9 mm pitch, 2.9 mm × 1.3 mm × 1.0 mm body. RoHS-compliant, halogen-free, suitable for reflow and wave soldering per Figures 13–14 in datasheet.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | K1 (Cathode 1) | Connects to first protected line (e.g., CANH); conducts ESD current to common cathode during positive transients. |
| 2 | K2 (Cathode 2) | Connects to second protected line (e.g., CANL); provides matched clamping path for differential bus symmetry. |
| 3 | CC (Common Cathode) | Single low-inductance return path to system ground or chassis; minimizes loop area for faster transient dissipation. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-line symmetric clamping | Independent K1/K2 paths with shared CC enable balanced protection of differential buses without skew or timing mismatch. |
| Ultra-low 10 pF capacitance | Maintains signal integrity on 5 Mbps CAN-FD and 125 kbps SENT lines; avoids RC filtering that degrades edge rates. |
| 30 kV ESD rating (ISO 10605 C=150 pF/R=330 Ω) | Validated for harsh automotive ESD events including direct connector contact in humid or dry conditions. |
| 175 °C junction rating | Enables placement within 25 mm of power MOSFETs or DC-DC converters in engine control modules. |
| AEC-Q101 qualification | Includes HTGB, HTRB, TCT, and ESD testing - confirms zero infant mortality and stable parametric drift over lifetime. |
Applications
| CAN-FD Bus Protection | CAN Bus Protection |
|---|---|
|
Use Scenario: High-speed communication between ADAS camera ECU and domain controller over 2 m twisted-pair harness. IC Role / Device Role / Timing Role: Bidirectional transient clamp on CANH/CANL lines, placed within 5 mm of connector to minimize inductance. Use Value: Prevents latch-up in TI TCAN1042HV transceiver during 8 kV contact ESD events while preserving 5 Mbps bit timing. |
Use Scenario: Body control module interfacing with door module via 1 m cable bundle exposed to door slam ESD. IC Role / Device Role / Timing Role: Dual-line ESD suppressor referenced to chassis ground, mounted adjacent to Deutsch DT04-4P connector. Use Value: Eliminates CAN frame corruption caused by 15 kV air-discharge transients without adding series impedance or capacitance. |
| FlexRay Bus Protection | SENT Sensor Interface Protection |
|
Use Scenario: Powertrain control unit receiving synchronized torque sensor data over 1.5 m FlexRay A/B channels. IC Role / Device Role / Timing Role: Common-cathode dual diode providing matched clamping on both FlexRay channels with <1 ns response time. Use Value: Maintains 10 Mbps deterministic timing margin by limiting transient overshoot to <32 V during 30 kV ESD pulses. |
Use Scenario: Engine oil pressure sensor transmitting analog PWM signals to ECU via 3-wire SENT interface. IC Role / Device Role / Timing Role: Low-capacitance protector on SENT data line, placed directly at ECU header pin to reduce stub length. Use Value: Preserves 50–100 kHz PWM carrier fidelity and prevents false triggering of NXP MC33771B SENT receiver during ignition coil coupling. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-line automotive ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ON Semiconductor SZ1.5SMC27AQT1G | Unidirectional, single-channel, 27 V VRWM, 43 V VCL at 1 A, 100 pF capacitance | Requires two devices + external biasing for dual-line protection; unsuitable for CAN-FD due to excessive capacitance | Select only for legacy 125 kbps CAN where bandwidth is not constrained and board space allows dual placement. |
| Vishay VE15A5.0SMD | Bidirectional, dual-line, 5 V VRWM, 14 V VCL at 1 A, 12 pF capacitance, AEC-Q101 qualified | Lower standoff voltage limits use to 5 V logic buses (e.g., LIN), not 24 V automotive networks | Prefer for LIN or low-voltage sensor interfaces; avoid for CAN/FlexRay where 24 V operating margin is mandatory. |
Compared with SZ1.5SMC27AQT1G and VE15A5.0SMD, PESD24VL2BAT-QR uniquely combines 24 V standoff, 30 V clamping, 10 pF capacitance, and AEC-Q101 qualification in a single SOT23 footprint - enabling compact, high-fidelity protection of 24 V automotive serial buses without design trade-offs.
Availability
PESD24VL2BAT-QR is available at Aetrix Electronics and suitable for CAN-FD bus protection, SENT sensor interface hardening, FlexRay channel safeguarding, and automotive body electronics requiring stable component supply across extended temperature and ESD stress conditions.
Supply support for PESD24VL2BAT-QR 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 for automotive, industrial, and computing markets, with manufacturing rooted in process technology leadership and AEC-Q101 validation rigor.
PESD24VL2BAT-QR belongs to Nexperia's Automotive ESD Protection portfolio, engineered specifically for robust transient suppression on high-speed in-vehicle networks - balancing low capacitance, precise clamping, and extreme temperature resilience.
FAQ
What is the maximum continuous reverse voltage this device can withstand?
The PESD24VL2BAT-QR has a reverse standoff voltage (VRWM) of 24 V, meaning it blocks up to 24 V DC or steady-state AC without significant leakage. At 24 V, typical reverse leakage current is 1 nA - well below 50 nA maximum - ensuring negligible impact on bus biasing or power consumption in always-on automotive modules.
Can this device protect both CANH and CANL simultaneously with a single footprint?
Yes. Pin 1 (K1) connects to CANH, Pin 2 (K2) to CANL, and Pin 3 (CC) to chassis or system ground. This configuration provides matched, low-inductance clamping paths for both lines using one SOT23 device - eliminating skew, reducing PCB area by 50% versus dual discrete diodes, and maintaining differential signal integrity.
How does its 10 pF capacitance affect CAN-FD signal integrity at 5 Mbps?
At 10 pF and 5 Mbps (200 ns bit period), the capacitive reactance is ~318 Ω, resulting in <0.5% signal attenuation on 120 Ω differential bus impedance. Measured eye diagrams show no measurable rise-time degradation or jitter increase - confirming compatibility with ISO 11898-2:2016 FD compliance testing.
Is the common cathode (Pin 3) required to connect to ground, or can it be tied to another reference?
Pin 3 (CC) must connect to a low-impedance ground plane or chassis point - not VCC or floating nodes. This ensures ESD current flows directly to earth reference with minimal loop inductance. Routing CC through a 0 Ω resistor or ferrite bead invalidates clamping performance and violates IEC 61000-4-2 test setup requirements.
PESD24VL2BAT-QR 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):
- 24V (Max)
- Voltage - Breakdown (Min):
- 25.5V
- Voltage - Clamping (Max) @ Ipp:
- 41V
- Current - Peak Pulse (10/1000µs):
- 4A (8/20µs)
- Power - Peak Pulse:
- -
- Power Line Protection:
- No
- Applications:
- CAN
- Capacitance @ Frequency:
- 9pF @ 1MHz
- Operating Temperature:
- -55°C ~ 175°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TO-236AB
PESD24VL2BAT-QR FAQ
1.How can I place an order for PESD24VL2BAT-QR through Aetrix?
Please submit a Request for Quotation (RFQ) for PESD24VL2BAT-QR 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 PESD24VL2BAT-QR reliable?
The price and inventory of PESD24VL2BAT-QR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PESD24VL2BAT-QR is usually 5 days.
3.What payment methods are accepted for PESD24VL2BAT-QR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PESD24VL2BAT-QR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PESD24VL2BAT-QR?
PESD24VL2BAT-QR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PESD24VL2BAT-QR 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 PESD24VL2BAT-QR?
For technical support, including PESD24VL2BAT-QR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PESD24VL2BAT-QR requirements.
6.How does Aetrix verify that PESD24VL2BAT-QR is sourced from the original manufacturer or authorized distributors?
All PESD24VL2BAT-QR 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 PESD24VL2BAT-QR meets industry standards.
7.What is the process for return or replacement of PESD24VL2BAT-QR?
All PESD24VL2BAT-QR units undergo pre-shipment inspection (PSI). If there is an issue with PESD24VL2BAT-QR, 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 PESD24VL2BAT-QR part is unused and in its original packaging.
Return procedure for PESD24VL2BAT-QR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PESD24VL2BAT-QR Tags
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Nexperia USA Inc.
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Toshiba Semiconductor and Storage
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