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Diodes Incorporated SMAJ60CAQ-13-F
- Part No.:
- SMAJ60CAQ-13-F
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- DO-214AC, SMA
- Datasheet:
-
SMAJ60CAQ-13-F.pdf
- Description:
- TVS DIODE 60VWM 96.8VC SMA
- Quantity:
- Payment:
- Shipping:
Inventory:3,408
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Product details
Overview
SMAJ60CAQ-13-F from Diodes Incorporated is a bi-directional 400W transient voltage suppressor (TVS) diode designed for automotive circuit protection against ISO7637-2 pulses and ISO10605 ESD events. It features a 60V reverse standoff voltage (VRWM), 96.8V max clamping voltage at 4.1A peak pulse current, and AEC-Q101 qualification for under-hood applications.
For engineers reviewing the SMAJ60CAQ-13-F datasheet, SMAJ60CAQ-13-F pinout, SMAJ60CAQ-13-F application, or SMAJ60CAQ-13-F equivalent, this device supports critical surge immunity validation in CAN/LIN bus interfaces, body control modules, and ADAS sensor power rails where bidirectional clamping and IATF 16949 traceability are required.
Technical Context
This bi-directional TVS operates symmetrically across both polarities to clamp transients up to ±96.8V during 10/1000μs waveforms while dissipating 400W peak pulse power. Its glass-passivated junction ensures stable breakdown behavior over -55°C to +175°C operating temperature range.
It meets ISO10605 (±30kV air/contact discharge) and ISO7637-2 Pulse 1 (–100V), Pulse 2a (+50V), Pulse 3a (–150V), and Pulse 3b (+100V) requirements. The device is rated for 40A non-repetitive forward surge current with 3.5V instantaneous forward voltage at 35A.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Pulse Power | 400W - sustains single 10/1000μs surges without failure in automotive load-dump scenarios |
| Reverse Standoff Voltage | 60V - defines maximum continuous DC operating voltage before clamping initiates |
| Max Clamping Voltage | 96.8V @ 4.1A - limits transient voltage seen by downstream ICs during ISO7637-2 Pulse 1 |
| Breakdown Voltage | 66.7–73.7V @ 1mA - ensures reliable turn-on margin above VRWM for robust noise immunity |
| Leakage Current | <0.5µA @ 60V - minimizes standby power loss in always-on vehicle networks |
| Operating Temperature | –55°C to +175°C - supports placement near engines, ECUs, and power inverters |
Pinout & Package
Package: SMA (DO-214AC), surface-mount, molded plastic UL 94V-0 housing; cathode band absent (bi-directional configuration); weight ≈ 0.064g; moisture sensitivity level 1 per J-STD-020.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Transient return path (bidirectional) | Connects to protected line; conducts during negative transients and positive transients on opposite terminal |
| Cathode | Transient return path (bidirectional) | Connects to protected line; conducts during positive transients and negative transients on opposite terminal |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive use with PPAP capability and IATF 16949 manufacturing control |
| Glass-passivated die | Ensures stable VBR and low leakage across temperature and lifetime stress conditions |
| Bi-directional clamping | Protects AC-coupled or floating lines (e.g., LIN bus, sensor differential pairs) without polarity concerns |
| Lead-free & halogen-free | RoHS 3 compliant (Br+Cl <1500ppm, Sb <1000ppm); compatible with lead-free reflow profiles |
Applications
| Body Control Module (BCM) | CAN FD Transceiver Protection |
|---|---|
Use Scenario: Protects 12V supply rail of BCM microcontroller and peripheral drivers from battery load dump and alternator ripple. IC Role / Device Role / Timing Role: Primary clamping element placed between fuse output and LDO input, responding within nanoseconds to sub-100ns transients. Use Value: Limits voltage to ≤96.8V during ISO7637-2 Pulse 1 (–100V), preventing latch-up or gate oxide damage in 3.3V/5V logic supplies. |
Use Scenario: Shields high-speed CAN FD data lines (CANH/CANL) from ESD events during connector mating/unmating. IC Role / Device Role / Timing Role: Bidirectional shunt device mounted directly at connector entry point, clamping ±30kV contact discharge per ISO10605. Use Value: Maintains signal integrity with <0.5pF typical capacitance (per Diodes datasheet DS40739 Fig.2), avoiding bit error rate degradation at 5Mbps. |
| ADAS Camera Power Input | Electric Power Steering (EPS) Sensor Interface |
Use Scenario: Guards 5V bias supply to image sensor and ISP in front-facing camera modules exposed to engine bay EMI. IC Role / Device Role / Timing Role: Secondary protection stage after upstream fuse and common-mode choke, handling fast-rising transients from nearby solenoid switching. Use Value: Withstands 40A 8.3ms half-sine surge (IEC 61000-4-5 Level 4 equivalent), enabling compliance with OEM-specific EMC test plans. |
Use Scenario: Protects analog torque sensor outputs (0–5V ratiometric) in EPS motor control units from ignition coil coupling. IC Role / Device Role / Timing Role: Low-leakage (<0.5µA) shunt device placed at sensor harness entry, preserving millivolt-level signal accuracy. Use Value: Delivers 60V standoff with ±96.8V clamping symmetry-critical for differential measurement stability in closed-loop steering assist. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bi-directional TVS protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ60CA-13-F | No AEC-Q101 qualification; RoHS-compliant but not PPAP-capable; same electrical specs | Acceptable for non-automotive industrial controls; lacks IATF 16949 traceability documentation | Select only when automotive change control and PPAP submission are not required |
| SMCJ60CA | Higher 1500W peak power; DO-214AB package (larger footprint); same VRWM/clamping | Better suited for 24V commercial vehicle systems with higher energy transients; incompatible SMA PCB layout | Choose when surge energy exceeds 400W or board space allows larger SMC package |
Compared with SMAJ60CAQ-13-F, SMAJ60CA-13-F omits automotive qualification documentation but matches all electrical parameters, while SMCJ60CA trades compactness for higher surge capacity-making the Q-grade part optimal for space-constrained, certified automotive designs.
Availability
SMAJ60CAQ-13-F is available at Aetrix Electronics and suitable for automotive body electronics, ADAS sensor interfaces, and electric power steering systems requiring stable component supply with full AEC-Q101 traceability and IATF 16949 sourcing.
Supply support for SMAJ60CAQ-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 semiconductor company specializing in discrete, analog, and mixed-signal solutions, with design centers across Asia, Europe, and the U.S., serving automotive, industrial, and consumer markets.
The SMAJ series is engineered specifically for AEC-Q101-compliant automotive transient suppression-targeting ISO7637-2 and ISO10605 compliance in space-constrained, high-reliability vehicle subsystems.
FAQ
What does the 'Q' suffix signify in SMAJ60CAQ-13-F?
The 'Q' denotes AEC-Q101 qualification, confirming the device has passed stress testing for automotive use-including temperature cycling, HTRB, and ESD. It also indicates PPAP capability and manufacture in IATF 16949-certified facilities, distinguishing it from commercial-grade variants like SMAJ60CA-13-F.
Can SMAJ60CAQ-13-F be used in 24V truck systems?
No-it is rated for 60V standoff and optimized for 12V automotive systems. For 24V applications, Diodes recommends SMCJ60CA (1500W) or SMAJ70CAQ-13-F (70V VRWM), both validated for higher-energy transients per ISO7637-2 Pulse 1 (–150V) in commercial vehicle environments.
How does its bi-directional structure affect PCB layout?
Unlike uni-directional TVS diodes, SMAJ60CAQ-13-F has no cathode band and symmetrical terminals-allowing placement without orientation constraints. This simplifies routing on differential lines (e.g., CANH/CANL) and eliminates risk of reverse installation during automated assembly.
Is thermal derating required for continuous operation?
Yes-steady-state power dissipation is limited to 1.0W at TL = +75°C. At ambient temperatures above 25°C, the device must be mounted on thermally enhanced pads or heatsinked traces; Figure 6 in DS40739 shows linear derating to zero at +175°C lead temperature.
SMAJ60CAQ-13-F Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Package/Case:
- DO-214AC, SMA
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 60V
- Voltage - Breakdown (Min):
- 66.7V
- Voltage - Clamping (Max) @ Ipp:
- 96.8V
- Current - Peak Pulse (10/1000µs):
- 4.1A
- Power - Peak Pulse:
- 400W
- 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:
- SMA
SMAJ60CAQ-13-F FAQ
1.How can I place an order for SMAJ60CAQ-13-F through Aetrix?
Please submit a Request for Quotation (RFQ) for SMAJ60CAQ-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 SMAJ60CAQ-13-F reliable?
The price and inventory of SMAJ60CAQ-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 SMAJ60CAQ-13-F is usually 5 days.
3.What payment methods are accepted for SMAJ60CAQ-13-F?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMAJ60CAQ-13-F transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMAJ60CAQ-13-F?
SMAJ60CAQ-13-F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMAJ60CAQ-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 SMAJ60CAQ-13-F?
For technical support, including SMAJ60CAQ-13-F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMAJ60CAQ-13-F requirements.
6.How does Aetrix verify that SMAJ60CAQ-13-F is sourced from the original manufacturer or authorized distributors?
All SMAJ60CAQ-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 SMAJ60CAQ-13-F meets industry standards.
7.What is the process for return or replacement of SMAJ60CAQ-13-F?
All SMAJ60CAQ-13-F units undergo pre-shipment inspection (PSI). If there is an issue with SMAJ60CAQ-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 SMAJ60CAQ-13-F part is unused and in its original packaging.
Return procedure for SMAJ60CAQ-13-F:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMAJ60CAQ-13-F Tags
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