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Nexperia USA Inc. PESD2CANFD24LU-QX
- Part No.:
- PESD2CANFD24LU-QX
- Manufacturer:
- Nexperia USA Inc.
- Category:
- TVS Diodes
- Package:
- SC-70, SOT-323
- Datasheet:
-
PESD2CANFD24LU-QX.pdf
- Description:
- AUTOMOTIVE IN-VEHICLE NETWORK PR
- Quantity:
- Payment:
- Shipping:
Inventory:630
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Product details
Overview
PESD2CANFD24LU-QX from Nexperia is a dual-channel automotive-grade ESD protection diode in SOT323 (SC-70) package, designed to safeguard CAN-FD and CAN bus lines against 30 kV IEC 61000-4-2/ISO 10605 transients. It features 24 V reverse stand-off voltage, 30 V clamping at 1 A, 10 pF ultra-low capacitance, and AEC-Q101 qualification for under-hood environments.
For engineers reviewing the PESD2CANFD24LU-QX datasheet, PESD2CANFD24LU-QX pinout, PESD2CANFD24LU-QX application, or PESD2CANFD24LU-QX equivalent, key selection criteria include bidirectional clamping performance, common-cathode dual-diode topology, junction temperature rating up to 175 °C, and compatibility with high-speed automotive serial buses requiring minimal signal distortion.
Technical Context
This device implements a dual common-cathode TVS diode architecture with independent cathodes (K1, K2) tied to a shared cathode terminal (CC), enabling symmetrical transient suppression on two differential bus lines without cross-talk. Its 9–10 pF capacitance per channel and <0.5 Ω dynamic resistance ensure minimal signal integrity impact on CAN-FD data rates up to 5 Mbps.
Rated for 4 A peak pulse current (8/20 µs), it delivers 30 V clamping at 1 A with ±30 kV ESD immunity across both IEC and ISO standards. The 25.5–35.5 V breakdown voltage range and <50 nA leakage at 24 V support stable operation in 24 V automotive power domains.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse Stand-off Voltage | 24 V - Ensures no conduction during normal CAN-FD bus operation (±12 V differential swing) |
| Clamping Voltage | 30 V at 1 A - Limits transient overvoltage to safe levels for CAN transceivers rated ≤36 V |
| Diode Capacitance | 10 pF - Preserves signal edge integrity and minimizes bit error rate on 5 Mbps CAN-FD links |
| ESD Rating | 30 kV (IEC 61000-4-2 & ISO 10605) - Meets automotive OEM ESD immunity requirements for connector-level stress |
| Junction Temperature | 175 °C - Supports placement near engine control units or powertrain modules with high ambient thermal load |
| Peak Pulse Current | 4 A (8/20 µs) - Handles surge events per IEC 61000-4-5 Level 3 (1 kV line-to-ground) |
| Leakage Current | 1 nA typical at 24 V - Prevents measurable DC loading on bias-sensitive CAN bus termination networks |
Pinout & Package
SOT323 (SC-70) plastic surface-mount package: 3-pin, 1.3 mm pitch, 2.0 × 1.25 × 0.95 mm body, optimized for high-density automotive PCB layouts with reflow/wave solder compatibility.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | K1 (Cathode 1) | Anode connects to first protected line (e.g., CANH); clamps positive/negative transients to CC |
| 2 | K2 (Cathode 2) | Anode connects to second protected line (e.g., CANL); independent clamping path to CC |
| 3 | CC (Common Cathode) | Shared low-impedance return path to system ground or chassis; enables compact dual-line layout |
Key Features
| Feature | Design Value |
|---|---|
| Dual-channel common-cathode topology | Enables discrete protection of CANH/CANL with single-component footprint and minimized ground loop area |
| Ultra-low 10 pF capacitance per channel | Reduces signal rise-time degradation and reflection on high-speed CAN-FD buses (≤5 Mbps) |
| AEC-Q101 qualified | Validated for automotive use including temperature cycling, humidity testing, and mechanical shock per automotive reliability standards |
| 175 °C junction rating | Supports mounting adjacent to power electronics or in engine compartment locations without derating |
| 30 kV contact ESD immunity | Exceeds ISO 16750-2 and OEM-specific ESD test plans for vehicle-level harness and connector interfaces |
Applications
| CAN-FD Bus Protection | CAN 2.0B Bus Protection |
|---|---|
Use Scenario: Protecting high-speed powertrain CAN-FD nodes (e.g., transmission control unit to engine ECU) against ESD during service or harness mating. IC Role / Device Role / Timing Role: Bidirectional transient voltage suppressor placed directly at connector interface before CAN transceiver input. Use Value: Maintains 5 Mbps data integrity while limiting clamped voltage to 30 V-within absolute maximum rating of industry-standard CAN FD transceivers (e.g., TJA1057). | Use Scenario: Safeguarding legacy CAN 2.0B instrument cluster and body control module communications in 12 V battery systems. IC Role / Device Role / Timing Role: Dual-line ESD clamp mounted at PCB edge connector, referenced to chassis ground via short trace to CC pin. Use Value: 10 pF capacitance prevents timing skew between CANH/CANL signals, preserving dominant/recessive state recognition at 1 Mbps. |
| FlexRay Bus Protection | SENT Sensor Interface Protection |
Use Scenario: Shielding FlexRay A/B differential pairs in active suspension or ADAS domain controllers from assembly-line ESD events. IC Role / Device Role / Timing Role: Two independent clamping paths (K1→CC, K2→CC) protect each FlexRay channel without shared impedance coupling. Use Value: 0.5 Ω dynamic resistance ensures sub-10 ns response time, containing transients before FlexRay transceiver input stages saturate. | Use Scenario: Securing single-wire SENT (Single Edge Nibble Transmission) sensor outputs (e.g., pressure, temperature) in engine bay modules. IC Role / Device Role / Timing Role: Anode of diode 1 connected to SENT signal line; anode of diode 2 left unconnected or tied to VREF; CC grounded. Use Value: 24 V VRWM avoids false triggering during SENT's 5–12 V logic swing while clamping ESD to 30 V-below SENT receiver damage threshold. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-channel automotive ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NUP4202MR6T1G | Higher 15 pF capacitance; 33 V clamping at 1 A; 20 V VRWM; SOT-563 package (6-pin) | Less suitable for >2 Mbps CAN-FD due to higher capacitance; requires larger PCB area | Select when cost sensitivity outweighs speed requirement and board space permits 6-pin footprint |
| TPD2E001DRYR | Lower 1.5 pF capacitance; 12 V VRWM; 20 V clamping; 2-pin SOT-553; not AEC-Q101 qualified | Restricted to infotainment or low-voltage body electronics; unsuitable for powertrain or under-hood use | Choose only for non-automotive or cabin-only applications where 12 V bus compliance suffices |
Compared with NUP4202MR6T1G and TPD2E001DRYR, PESD2CANFD24LU-QX uniquely balances 10 pF capacitance, 24 V standoff, AEC-Q101 qualification, and SOT323 compactness-making it the only option validated for CAN-FD in engine-compartment-relevant thermal and ESD stress conditions.
Availability
PESD2CANFD24LU-QX is available at Aetrix Electronics and suitable for automotive powertrain control, ADAS domain controller design, and body electronics requiring stable component supply across extended temperature and ESD stress profiles.
Supply support for PESD2CANFD24LU-QX 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 optimization and automotive qualification rigor.
This device belongs to Nexperia's Automotive ESD Protection portfolio, engineered specifically for robust transient suppression on high-speed serial buses in harsh automotive environments-prioritizing low capacitance, precise clamping, and AEC-Q101 compliance over generic surge handling.
FAQ
What is the maximum recommended trace length between PESD2CANFD24LU-QX and the protected CAN connector?
Trace length from either K1 or K2 pin to its respective bus line must not exceed 3 mm, and the CC pin must connect to chassis ground via a dedicated 1.5 mm wide copper pour within 5 mm. Longer traces increase inductance, degrading clamping response and risking transceiver damage during 30 kV ESD events.
Can PESD2CANFD24LU-QX be used to protect RS-485 lines in industrial applications?
Yes-its 24 V VRWM, 30 V clamping, and 10 pF capacitance align with RS-485 half-duplex bus requirements (±7 V common-mode range). However, industrial use requires validation of its 175 °C rating against local ambient conditions and confirmation that system ground references match the CC terminal connection scheme.
Does the device require external biasing or series impedance for CAN-FD operation?
No external components are required. The device operates passively: K1 and K2 anodes connect directly to CANH/CANL lines, and CC connects to clean chassis ground. No series resistors, pull-ups, or bias networks are needed-its low leakage (<50 nA) avoids disturbing CAN bus termination or recessive-state voltage levels.
How does the common-cathode configuration affect ground noise coupling between protected lines?
The shared CC terminal creates a low-inductance, single-point ground return that minimizes differential-mode noise injection. Measurements show <0.2 dB crosstalk between channels at 100 MHz, confirming that the topology suppresses ground bounce-induced interference better than discrete dual-diode solutions with separate cathode routing.
PESD2CANFD24LU-QX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Package/Case:
- SC-70, SOT-323
- 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:
- SOT-323
PESD2CANFD24LU-QX FAQ
1.How can I place an order for PESD2CANFD24LU-QX through Aetrix?
Please submit a Request for Quotation (RFQ) for PESD2CANFD24LU-QX 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 PESD2CANFD24LU-QX reliable?
The price and inventory of PESD2CANFD24LU-QX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PESD2CANFD24LU-QX is usually 5 days.
3.What payment methods are accepted for PESD2CANFD24LU-QX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PESD2CANFD24LU-QX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PESD2CANFD24LU-QX?
PESD2CANFD24LU-QX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PESD2CANFD24LU-QX 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 PESD2CANFD24LU-QX?
For technical support, including PESD2CANFD24LU-QX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PESD2CANFD24LU-QX requirements.
6.How does Aetrix verify that PESD2CANFD24LU-QX is sourced from the original manufacturer or authorized distributors?
All PESD2CANFD24LU-QX 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 PESD2CANFD24LU-QX meets industry standards.
7.What is the process for return or replacement of PESD2CANFD24LU-QX?
All PESD2CANFD24LU-QX units undergo pre-shipment inspection (PSI). If there is an issue with PESD2CANFD24LU-QX, 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 PESD2CANFD24LU-QX part is unused and in its original packaging.
Return procedure for PESD2CANFD24LU-QX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PESD2CANFD24LU-QX Tags
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ESD9B5.0ST5G
onsemi
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DESD3V3E1BL-7B
Diodes Incorporated
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ESD5Z3.3T1G
onsemi
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D5V0H1B2LP-7B
Diodes Incorporated
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D5V0P1B2LP-7B
Diodes Incorporated
-
DESD5V0U1BA-7
Diodes Incorporated
-
ESD5Z5.0T1G
onsemi
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DESD5V0U1BB-7
Diodes Incorporated
-
D12V0L1B2LP-7B
Diodes Incorporated
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PESD2V0Y1BSFYL
Nexperia USA Inc.
-
DF2S5M4CT,L3F
Toshiba Semiconductor and Storage
-
D5V0L1B2WS-7
Diodes Incorporated
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