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Diodes Incorporated SMCJ22AQ-13-F
- Part No.:
- SMCJ22AQ-13-F
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
SMCJ22AQ-13-F.pdf
- Description:
- TVS DIODE 22VWM 35.5VC SMC
- Quantity:
- Payment:
- Shipping:
Inventory:2,785
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Product details
Overview
SMCJ22AQ-13-F from Diodes Incorporated is a unidirectional 1,500W automotive transient voltage suppressor (TVS) in SMC package, with 22V reverse standoff voltage (VRWM), 35.5V max clamping voltage (VC) at 42.2A peak pulse current, and AEC-Q101 qualification for under-hood power line protection against ISO7637-2 Pulse 1 (−100V), Pulse 2a (+50V), and ISO10605 ESD (±30kV).
For engineers reviewing the SMCJ22AQ-13-F datasheet, SMCJ22AQ-13-F pinout, SMCJ22AQ-13-F application, or SMCJ22AQ-13-F equivalent, this TVS diode delivers verified clamping performance, lead-free RoHS/Green compliance, and IATF 16949-manufactured traceability for automotive ECU, infotainment, and ADAS power rail surge protection.
Technical Context
This unidirectional TVS operates with a 22.0V VRWM and clamps transients to ≤35.5V at 42.2A (10/1000μs waveform), enabling robust protection of 24V automotive systems without forward conduction during normal operation. Its glass-passivated die ensures stable breakdown behavior across −55°C to +150°C junction temperature range.
It meets ISO7637-2 Pulse 1 (−100V), Pulse 2a (+50V), Pulse 3a (−150V), and Pulse 3b (+100V), and passes ISO10605 ESD testing at ±30kV (air/contact discharge) with 150pF/330Ω network - confirming suitability for CAN/LIN bus power rails and sensor supply lines.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Pulse Power | 1500W - sustains single high-energy surges per ISO7637-2 without failure |
| Reverse Standoff Voltage (VRWM) | 22.0V - blocks leakage below system nominal voltage in 24V automotive circuits |
| Max Clamping Voltage (VC) | 35.5V @ IPP = 42.2A - limits downstream IC stress to safe levels during transients |
| Breakdown Voltage (VBR) | 24.4–27.0V @ IT = 1.0mA - ensures reliable turn-on margin above VRWM |
| Leakage Current (IR) | ≤5.0µA @ VRWM - minimizes quiescent power loss in always-on modules |
| Operating Temperature | −55°C to +150°C - supports engine bay mounting with full derating up to TJ = 150°C |
| AEC-Q101 Qualified | Yes - validated for automotive reliability including HTOL, TCT, and ESD HBM/MM |
Pinout & Package
Package: SMC (DO-214AB), molded plastic, UL 94V-0 rated, 0.21g weight, cathode band polarity indicator. Moisture sensitivity level 1 (J-STD-020).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Cathode (Banded End) | Anode-to-cathode direction for reverse-biased clamping | Connects to protected line; conducts only during overvoltage events |
| Anode (Non-Banded End) | Reference/ground return path | Must be tied to low-impedance chassis or power ground for effective clamping |
Key Features
| Feature | Design Value |
|---|---|
| 1,500W Peak Pulse Power | Handles severe load dump and inductive switching surges without degradation |
| Glass Passivated Die | Ensures stable VBR and low leakage across temperature and lifetime |
| AEC-Q101 Qualification | Validated for automotive use with PPAP documentation and IATF 16949 manufacturing control |
| Lead-Free & Halogen-Free | RoHS 3 compliant (<900ppm Br/Cl, <1000ppm Sb); compatible with Pb-free reflow profiles |
| Fast Response Time | Sub-nanosecond turn-on enables clamping before sensitive ICs experience overstress |
Applications
| Engine Control Unit (ECU) Power Input | Infotainment System 12V Rail |
|---|---|
|
Use Scenario: Protects ECU main 12V/24V input against load dump (ISO7637-2 Pulse 5a) and alternator ripple-induced spikes. IC Role / Device Role / Timing Role: Unidirectional TVS placed between battery feed and DC-DC input stage. Use Value: Clamps transients to ≤35.5V, preventing damage to LDOs and microcontrollers rated for 40V absolute max. |
Use Scenario: Shields USB-C PD controller, display driver, and audio codec power supplies from ignition noise and hot-swap transients. IC Role / Device Role / Timing Role: Primary surge suppression on fused 12V distribution rail upstream of point-of-load regulators. Use Value: 42.2A peak current handling absorbs multiple ISO7637-2 Pulse 3b events without parameter shift. |
| ADAS Camera Module Supply | Body Control Module (BCM) LIN Bus |
|
Use Scenario: Secures 5V/3.3V camera sensor power rails against ESD from lens actuator motors and harness coupling. IC Role / Device Role / Timing Role: Secondary TVS after primary 24V filter, placed adjacent to image sensor PMIC. Use Value: 5.0µA IR at 22V VRWM avoids loading low-current bias networks in always-on imaging paths. |
Use Scenario: Protects LIN transceiver VCC pin from battery transients induced by door lock actuators and window lifters. IC Role / Device Role / Timing Role: Low-capacitance unidirectional TVS directly at transceiver power pin. Use Value: 35.5V clamping preserves LIN physical layer integrity while maintaining <1V common-mode margin. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar unidirectional automotive TVS applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SAC22-13-F (Diodes Inc.) | Lower 600W rating; same VRWM (22V) but higher VC (38.0V @ 22A) | Targeted for cost-sensitive non-critical loads; not AEC-Q101 qualified | Select when AEC-Q101 is not required and surge energy is limited to ISO7637-2 Pulse 3 only |
| SMAJ22A (ON Semiconductor) | Same SMC package; 22V VRWM, 35.5V VC @ 42.2A, but only AEC-Q101 option is SMAJ22AQ | SMAJ22A lacks automotive qualification; SMAJ22AQ matches SMCJ22AQ-13-F spec-for-spec | Choose SMAJ22AQ if dual-sourcing from ON Semi is required; identical electrical and qualification profile |
Compared with SAC22-13-F and SMAJ22A, SMCJ22AQ-13-F uniquely combines 1500W surge capacity, AEC-Q101 certification, and production traceability under IATF 16949 - making it the preferred choice for safety-critical 24V power rails where sustained surge immunity is mandatory.
Availability
SMCJ22AQ-13-F is available at Aetrix Electronics and suitable for automotive ECU design, ADAS camera module development, and body electronics requiring stable component supply with full AEC-Q101 documentation and lot-level traceability.
Supply support for SMCJ22AQ-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 SMCJ series belongs to Diodes' AEC-Q101-qualified automotive TVS portfolio, engineered specifically for ISO7637-2 and ISO10605 compliance in harsh 12V/24V vehicle environments.
FAQ
What is the maximum clamping voltage of SMCJ22AQ-13-F at its rated peak pulse current?
The maximum clamping voltage (VC) is 35.5V at a peak pulse current (IPP) of 42.2A, measured using the standardized 10/1000μs double-exponential waveform per REA and IEC 61000-4-5. This value is guaranteed across the full operating temperature range and confirms protection margin for 40V-rated downstream ICs.
Is SMCJ22AQ-13-F suitable for bidirectional signal line protection?
No - SMCJ22AQ-13-F is unidirectional, indicated by the absence of "C" in the part number. For bidirectional protection (e.g., CAN bus), the correct variant is SMCJ22CAQ-13-F, which has symmetrical clamping and no polarity marking. Using the unidirectional version on AC-coupled or differential lines risks forward conduction and failure.
Does SMCJ22AQ-13-F require derating at elevated ambient temperatures?
Yes - its peak pulse power must be derated linearly above +25°C ambient, following the curve in Figure 1 of DS40741 Rev. 8-2. At +85°C ambient, maximum PPK drops to ~85% of 1500W (≈1275W); at +125°C, it falls to ~50% (750W). Steady-state power dissipation (PM(AV)) is limited to 5.0W at TL = +75°C, with linear derating to zero at +150°C.
How is AEC-Q101 qualification verified for SMCJ22AQ-13-F?
AEC-Q101 qualification includes stress testing per the standard's requirements: high-temperature operating life (HTOL), temperature cycling (TCT), highly accelerated stress test (HAST), electrostatic discharge (HBM/MM), and mechanical shock/vibration. Diodes provides full PPAP documentation, including test reports and process flow validation, all produced in IATF 16949-certified facilities.
SMCJ22AQ-13-F Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Package/Case:
- DO-214AB, SMC
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 22V
- Voltage - Breakdown (Min):
- 24.4V
- Voltage - Clamping (Max) @ Ipp:
- 35.5V
- Current - Peak Pulse (10/1000µs):
- 42.2A
- Power - Peak Pulse:
- 1500W (1.5kW)
- 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:
- SMC
SMCJ22AQ-13-F FAQ
1.How can I place an order for SMCJ22AQ-13-F through Aetrix?
Please submit a Request for Quotation (RFQ) for SMCJ22AQ-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 SMCJ22AQ-13-F reliable?
The price and inventory of SMCJ22AQ-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 SMCJ22AQ-13-F is usually 5 days.
3.What payment methods are accepted for SMCJ22AQ-13-F?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMCJ22AQ-13-F transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMCJ22AQ-13-F?
SMCJ22AQ-13-F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMCJ22AQ-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 SMCJ22AQ-13-F?
For technical support, including SMCJ22AQ-13-F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMCJ22AQ-13-F requirements.
6.How does Aetrix verify that SMCJ22AQ-13-F is sourced from the original manufacturer or authorized distributors?
All SMCJ22AQ-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 SMCJ22AQ-13-F meets industry standards.
7.What is the process for return or replacement of SMCJ22AQ-13-F?
All SMCJ22AQ-13-F units undergo pre-shipment inspection (PSI). If there is an issue with SMCJ22AQ-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 SMCJ22AQ-13-F part is unused and in its original packaging.
Return procedure for SMCJ22AQ-13-F:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SMCJ22AQ-13-F Tags
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DESD3V3E1BL-7B
Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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Nexperia USA Inc.
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Toshiba Semiconductor and Storage
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Diodes Incorporated
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