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Diodes Incorporated SMBJ64CAQ-13-F
- Part No.:
- SMBJ64CAQ-13-F
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
SMBJ64CAQ-13-F.pdf
- Description:
- TRANSIENT VOLTAGE SUPPRESSOR PP
- Quantity:
- Payment:
- Shipping:
Inventory:9,161
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Product details
Overview
SMBJ64CAQ-13-F from Diodes Incorporated is a bi-directional 600W automotive transient voltage suppressor (TVS) diode in SMB package, with 64V reverse standoff voltage (VRWM), 71.1V minimum breakdown voltage (VBR), and 103V maximum clamping voltage (VC) at 5.8A peak pulse current (IPP). It protects CAN, LIN, and sensor interfaces in engine control units and body electronics against ISO7637-2 Pulse 1/2a/3a/3b and ISO10605 ESD surges.
For engineers reviewing the SMBJ64CAQ-13-F datasheet, SMBJ64CAQ-13-F pinout, SMBJ64CAQ-13-F application, or SMBJ64CAQ-13-F equivalent, this page delivers verified AEC-Q101 qualification status, exact clamping performance under 10×1000μs waveform, IATF 16949 manufacturing traceability, and RoHS/halogen-free compliance - critical for Tier 1 automotive design-in and PPAP submission.
Technical Context
This bi-directional TVS operates symmetrically across both polarities, enabling robust protection of differential buses like CAN FD without polarity dependency. Its 103V clamping voltage at 5.8A IPP ensures downstream 75V-rated transceivers remain within safe operating area during ISO7637-2 Pulse 3b (+150V) events.
Designed for surface-mount assembly on automotive PCBs, it features 0.1g mass, UL 94V-0 molded plastic housing, and matte tin terminals solderable per MIL-STD-202. Thermal derating follows a linear 4.8W/°C slope above +25°C ambient, supporting operation up to +175°C junction temperature.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Pulse Power | 600W - sustains single 10×1000μs surge without failure; sufficient for ISO7637-2 Pulse 1 (-150V) at typical line impedance |
| Reverse Standoff Voltage | 64V - sets maximum continuous working voltage before clamping; matches 60V nominal 24V automotive systems with margin |
| Clamping Voltage @ IPP | 103V @ 5.8A - defines worst-case voltage seen by protected IC during surge; keeps 75V-rated CAN transceivers below absolute max rating |
| Breakdown Voltage | 71.1–78.6V - tight VBR window ensures predictable turn-on; avoids premature conduction during load dump transients |
| Leakage Current @ VRWM | <0.5µA - negligible standby power loss; critical for always-on vehicle networks with microamp-level sleep budgets |
| AEC-Q101 Qualified | Yes - validated for automotive use including temperature cycling, HTRB, and ESD stress; supports PPAP documentation |
Pinout & Package
Package: SMB (DO-214AA), surface-mount, bi-directional device with no cathode band marking; dimensions: 3.30–3.94mm (D) × 5.00–5.59mm (E) × 2.00–2.50mm (A); weight ≈ 0.1g; moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Input terminal (symmetrical) | Accepts positive or negative surge relative to cathode; identical electrical behavior in both directions |
| Cathode | Input terminal (symmetrical) | Paired with anode to form bidirectional clamp path; no polarity marking on package |
Key Features
| Feature | Design Value |
|---|---|
| 600W peak pulse rating | Enables single-event suppression of ISO7637-2 Pulse 1 (-150V) on 50Ω lines without thermal runaway |
| AEC-Q101 qualification | Validated for automotive underhood environments including -55°C to +175°C operation and mechanical shock |
| Bi-directional architecture | Eliminates orientation errors during SMT placement; essential for differential bus protection (e.g., CAN H/L) |
| Halogen- and antimony-free | Meets automotive "Green" requirements: Br+Cl <1500ppm, Sb <1000ppm; supports OEM sustainability mandates |
Applications
| Engine Control Unit (ECU) Power Input | CAN FD Bus Protection |
|---|---|
|
Use Scenario: Protects 24V supply rail of diesel ECU against load dump (ISO7637-2 Pulse 2a) and alternator ripple. IC Role / Device Role / Timing Role: Primary overvoltage clamp placed upstream of DC-DC converter input. Use Value: 103V clamping limits stress on 100V-input buck controller; 600W rating absorbs 112V/50ms surge without degradation. |
Use Scenario: Shields high-speed CAN FD transceiver (e.g., TCAN1042V) from ESD and board-level coupling noise. IC Role / Device Role / Timing Role: Bi-directional shunt element across CAN_H/CAN_L differential pair. Use Value: Symmetric clamping maintains common-mode immunity; <0.5µA leakage avoids bus bias shift in sleep mode. |
| Body Control Module (BCM) Sensor Interface | ADAS Camera Power Line |
|
Use Scenario: Guards LIN bus and analog sensor inputs (e.g., ambient temp, rain sensor) against battery disconnect spikes. IC Role / Device Role / Timing Role: Localized TVS at connector entry point, before signal conditioning op-amps. Use Value: 64V VRWM allows normal 12V/24V operation while clamping Pulse 3a (-220V) transients to <103V. |
Use Scenario: Secures 12V power feed to 77GHz radar camera module exposed to harness-induced surges. IC Role / Device Role / Timing Role: First-line defense on main power rail, coordinated with ceramic capacitor filtering. Use Value: UL 94V-0 package prevents flame propagation in confined camera housing; AEC-Q101 ensures field reliability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bi-directional TVS diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ64CA-13-F | No AEC-Q101 qualification; standard commercial grade; same electrical specs and SMB package | Not acceptable for automotive production; limited to industrial or consumer prototyping | Select only if AEC-Q101 is not required and cost is primary driver |
| SMCJ64CAQ-13-F | Same AEC-Q101 qualification but SMC package (larger footprint, 1500W rating); higher clamping (104V @ 14.3A) | Better suited for higher-energy surges (e.g., ISO7637-2 Pulse 1 on heavy-duty trucks); requires larger PCB area | Choose when system-level surge testing exceeds 600W capability or when thermal margin is constrained |
Compared with SMBJ64CA-13-F, the SMBJ64CAQ-13-F adds mandatory automotive qualification and traceability; versus SMCJ64CAQ-13-F, it trades 2.5× peak power for 40% smaller PCB footprint and identical clamping performance at lower surge currents.
Availability
SMBJ64CAQ-13-F is available at Aetrix Electronics and suitable for engine control units, CAN FD networks, body control modules, and ADAS camera power systems requiring stable component supply across multi-year automotive production cycles.
Supply support for SMBJ64CAQ-13-F 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
Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, specializing in high-reliability components for automotive, industrial, and computing markets.
The SMBJ(AQ) series is part of Diodes' AEC-Q101-qualified TVS portfolio, engineered specifically for ISO7637-2 and ISO10605 compliance in automotive ECUs, infotainment, and ADAS subsystems.
FAQ
What is the difference between SMBJ64CAQ-13-F and SMBJ64A-13-F?
The "Q" suffix denotes AEC-Q101 qualification and IATF 16949 manufacturing; SMBJ64A-13-F lacks automotive validation and PPAP support. Electrically identical, but SMBJ64CAQ-13-F undergoes extended stress testing (HTGB, TCT, H3TRB) and has full change control documentation required for Tier 1 sourcing.
Does SMBJ64CAQ-13-F support bidirectional data lines like CAN or LIN?
Yes - its bi-directional construction provides symmetrical clamping on both polarities, making it ideal for differential buses (CAN_H/CAN_L) and single-ended lines (LIN) where voltage reversals occur. No polarity marking means zero risk of incorrect orientation during automated placement.
What is the maximum operating temperature for SMBJ64CAQ-13-F in continuous service?
The junction temperature range is -55°C to +175°C, but steady-state power dissipation is limited to 5.0W at TL = +75°C. Derating begins at +25°C ambient at 4.8W/°C, so at +105°C ambient, maximum continuous power drops to ~1.0W - sufficient for low-leakage standby conditions.
How does SMBJ64CAQ-13-F perform under ISO7637-2 Pulse 3b (+150V)?
Under the 150V/50ms Pulse 3b waveform, SMBJ64CAQ-13-F clamps to ≤103V at 5.8A, limiting energy delivered to downstream circuitry to <1.2J. This meets the requirement for protecting 75V-rated transceivers and ensures no latch-up or permanent damage occurs in validated test setups.
SMBJ64CAQ-13-F Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Package/Case:
- DO-214AA, SMB
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 64V
- Voltage - Breakdown (Min):
- 71.1V
- Voltage - Clamping (Max) @ Ipp:
- 103V
- Current - Peak Pulse (10/1000µs):
- 5.8A
- Power - Peak Pulse:
- 600W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SMB
SMBJ64CAQ-13-F FAQ
1.How can I place an order for SMBJ64CAQ-13-F through Aetrix?
Please submit a Request for Quotation (RFQ) for SMBJ64CAQ-13-F 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 SMBJ64CAQ-13-F reliable?
The price and inventory of SMBJ64CAQ-13-F are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMBJ64CAQ-13-F is usually 5 days.
3.What payment methods are accepted for SMBJ64CAQ-13-F?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMBJ64CAQ-13-F transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMBJ64CAQ-13-F?
SMBJ64CAQ-13-F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMBJ64CAQ-13-F 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 SMBJ64CAQ-13-F?
For technical support, including SMBJ64CAQ-13-F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMBJ64CAQ-13-F requirements.
6.How does Aetrix verify that SMBJ64CAQ-13-F is sourced from the original manufacturer or authorized distributors?
All SMBJ64CAQ-13-F 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 SMBJ64CAQ-13-F meets industry standards.
7.What is the process for return or replacement of SMBJ64CAQ-13-F?
All SMBJ64CAQ-13-F units undergo pre-shipment inspection (PSI). If there is an issue with SMBJ64CAQ-13-F, 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 SMBJ64CAQ-13-F part is unused and in its original packaging.
Return procedure for SMBJ64CAQ-13-F:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMBJ64CAQ-13-F Tags
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