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Diodes Incorporated 3.0SMCJ17AQ-13
- Part No.:
- 3.0SMCJ17AQ-13
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
3.0SMCJ17AQ-13.pdf
- Description:
- TRANSIENT VOLTAGE SUPPRESSOR SMC
- Quantity:
- Payment:
- Shipping:
Inventory:2,459
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Product details
Overview
3.0SMCJ17AQ-13 from Diodes Incorporated is a unidirectional 3000W surface-mount transient voltage suppressor (TVS) diode with 17V reverse standoff voltage, 18.9–20.9V breakdown range at 1mA, and 27.6V clamping voltage at 108.7A peak pulse current. It features glass-passivated die construction, AEC-Q101 qualification for automotive use, and IEC-61000-4-2 ESD protection (30kV air/30kV contact).
For engineers reviewing the 3.0SMCJ17AQ-13 datasheet, 3.0SMCJ17AQ-13 pinout, 3.0SMCJ17AQ-13 application, or 3.0SMCJ17AQ-13 equivalent, this device is selected for high-energy surge suppression in automotive power rails, DC-DC converter inputs, and industrial sensor interfaces where robust ±150°C operation and RoHS-compliant SMC packaging are required.
Technical Context
This TVS diode operates as a unidirectional clamping device, triggered when reverse voltage exceeds its 17V VRWM threshold and entering avalanche conduction above 18.9V VBR. Its 27.6V VC rating ensures downstream ICs see limited overvoltage during 10×1000μs transients up to 108.7A IPP.
Designed for automotive-grade reliability, it meets AEC-Q101 stress test requirements including temperature cycling, HTRB, and ESD, and is manufactured in IATF 16949-certified facilities. The SMC package supports 3000W peak pulse dissipation with thermal derating above +25°C per JEDEC-standard curves.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Pulse Power | 3000W - sustains single 10×1000μs surges without failure under defined mounting conditions |
| Reverse Standoff Voltage (VRWM) | 17V - maximum continuous reverse voltage before significant leakage; sets system operating margin |
| Breakdown Voltage (VBR) | 18.9–20.9V @ 1mA - precise avalanche onset range ensuring predictable clamping initiation |
| Clamping Voltage (VC) | 27.6V @ 108.7A - limits transient voltage seen by protected circuitry during worst-case surge |
| ESD Rating | 30kV air / 30kV contact per IEC-61000-4-2 - protects against human-handling and system-level electrostatic discharge |
| Operating Temperature | −55°C to +150°C - enables deployment in engine bay, powertrain, and under-hood automotive environments |
| Package | SMC (DO-214AB) - surface-mount footprint with 6.9mm × 4.4mm pad layout and 0.21g mass for automated assembly |
Pinout & Package
Package: SMC (DO-214AB), molded plastic body with matte tin-plated leads, UL 94V-0 flammability rating, moisture sensitivity level 1 per J-STD-020. Cathode band denotes polarity on unidirectional variant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Low-side reference terminal | Connected to ground or low-impedance return path; completes clamping loop during reverse transient |
| Cathode | High-side surge input terminal | Connected to protected line (e.g., 12V battery rail); conducts avalanche current to anode during overvoltage |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 Qualified | Validated for automotive applications including temperature cycling, HTRB, and ESD stress per JEDEC standards |
| Glass-Passivated Die | Enhances long-term stability and reduces parameter drift under thermal/humidity aging vs. epoxy-passivated alternatives |
| 3000W Peak Pulse Rating | Supports ISO 7637-2 Pulse 5a/b (load dump) suppression in 12V systems without external series impedance |
| RoHS & Halogen-Free | Complies with EU RoHS 3 (2015/863/EU) and Diodes' "Green" definition (<900ppm Br, <900ppm Cl, <1000ppm Sb) |
| Low Clamping Ratio (VC/VBR) | 1.46 typical (27.6V/18.9V) - minimizes overvoltage overshoot while maintaining fast response time |
Applications
| Automotive Power Rail Protection | Industrial DC-DC Converter Input |
|---|---|
Use Scenario: Suppressing load dump transients (ISO 7637-2 Pulse 5) on 12V battery-fed ECUs and body control modules. IC Role / Device Role / Timing Role: Unidirectional clamping TVS placed between battery rail and upstream fuse or DC-DC input. Use Value: Limits voltage to ≤27.6V during 100V/350ms transients, preventing damage to LDOs, microcontrollers, and CAN transceivers. |
Use Scenario: Protecting isolated DC-DC converter primary-side inputs from switching noise and inductive kickback in PLC power supplies. IC Role / Device Role / Timing Role: Fast-response transient suppressor mounted directly at converter input terminals. Use Value: Clamps sub-microsecond spikes from MOSFET switching, preserving input capacitor lifetime and reducing conducted EMI. |
| Automotive Sensor Interface Protection | Telecom Power Feeding Circuit |
Use Scenario: Safeguarding LIN bus transceivers and analog sensor front-ends (e.g., pressure, temperature) from ESD and cable discharge events. IC Role / Device Role / Timing Role: Localized TVS placed at connector entry point, adjacent to ESD filter capacitors. Use Value: Withstands 30kV contact ESD per IEC-61000-4-2 while adding <0.5pF capacitance-no signal integrity impact on 20kbps LIN. |
Use Scenario: Protecting PoE-powered equipment (e.g., IP cameras, access points) from surges induced on 48V DC feeding lines. IC Role / Device Role / Timing Role: Primary-stage TVS on midspan or endpoint PSE/PD input, coordinated with secondary MOVs. Use Value: Handles 10×1000μs surges up to 108.7A without degradation, enabling compliance with IEEE 802.3bt Type 4 surge immunity requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ17A (Diodes Inc.) | Lower 600W peak power; SMB package (smaller footprint, lower thermal mass) | Suitable for lower-energy transients (e.g., IEC 61000-4-5 Level 3), not load dump | Select when space-constrained and surge energy ≤600W; verify thermal derating at +125°C ambient |
| 1.5SMC17A (ON Semiconductor) | Same 3000W rating and SMC package, but not AEC-Q101 qualified; higher 30μA IR max at VRWM | Limited to industrial/commercial use; lacks automotive change control and PPAP support | Choose for cost-sensitive non-automotive designs where AEC-Q101 is not mandated |
Compared with SMBJ17A and 1.5SMC17A, the 3.0SMCJ17AQ-13 delivers automotive-grade reliability, tighter clamping (27.6V vs. ≥28.5V), and guaranteed AEC-Q101 qualification-making it the only option for safety-critical 12V rail protection in production vehicles.
Availability
3.0SMCJ17AQ-13 is available at Aetrix Electronics and suitable for automotive electronic control units, industrial power supply inputs, and telecom remote powering circuits requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for 3.0SMCJ17AQ-13 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 protection, power management, and signal integrity solutions for automotive, industrial, and computing markets.
The 3.0SMCJ series belongs to Diodes' AEC-Q101-qualified TVS portfolio, engineered specifically for automotive power rail and interface protection where sustained 150°C operation and load dump immunity are mandatory.
FAQ
Is the 3.0SMCJ17AQ-13 unidirectional or bidirectional?
The "Q" suffix and cathode band marking confirm this is a unidirectional TVS diode. It clamps only during reverse-polarity transients applied to the cathode, making it ideal for protecting positive-rail systems like 12V automotive batteries. Bidirectional variants (e.g., 3.0SMCJ17CA-13) lack the cathode band and suppress both polarities.
What is the significance of the "Q" suffix in 3.0SMCJ17AQ-13?
The "Q" denotes AEC-Q101 qualification-meaning the device has passed rigorous automotive stress tests including temperature cycling, high-temperature reverse bias, and ESD. It also signals manufacturing in IATF 16949-certified facilities and full PPAP documentation support for automotive OEMs.
Can this TVS replace a 15V or 18V variant in an existing design?
No-VRWM is tightly matched to system operating voltage. Using 3.0SMCJ17AQ-13 on a 15V rail risks premature conduction due to tolerance overlap (17V VRWM ±0% min), while on an 18V rail it may fail to clamp before downstream damage. Always match VRWM to nominal rail voltage with ≥10% margin.
How does its clamping performance compare to a 200W TVS in the same SMC package?
At identical 10×1000μs waveform, the 3000W rating allows 5.5× higher peak current (108.7A vs. ~20A) before reaching VC. This translates to effective suppression of ISO 7637-2 Pulse 5 (load dump), whereas 200W devices are limited to ESD and minor switching spikes-verified by Diodes' published clamping curves in DS30818.
3.0SMCJ17AQ-13 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Package/Case:
- DO-214AB, SMC
- Series:
- 3.0SMCJ
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 17V
- Voltage - Breakdown (Min):
- 18.9V
- Voltage - Clamping (Max) @ Ipp:
- 27.6V
- Current - Peak Pulse (10/1000µs):
- 108.7A
- Power - Peak Pulse:
- 3000W (3kW)
- 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
3.0SMCJ17AQ-13 FAQ
1.How can I place an order for 3.0SMCJ17AQ-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for 3.0SMCJ17AQ-13 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 3.0SMCJ17AQ-13 reliable?
The price and inventory of 3.0SMCJ17AQ-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 3.0SMCJ17AQ-13 is usually 5 days.
3.What payment methods are accepted for 3.0SMCJ17AQ-13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 3.0SMCJ17AQ-13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 3.0SMCJ17AQ-13?
3.0SMCJ17AQ-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 3.0SMCJ17AQ-13 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 3.0SMCJ17AQ-13?
For technical support, including 3.0SMCJ17AQ-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 3.0SMCJ17AQ-13 requirements.
6.How does Aetrix verify that 3.0SMCJ17AQ-13 is sourced from the original manufacturer or authorized distributors?
All 3.0SMCJ17AQ-13 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 3.0SMCJ17AQ-13 meets industry standards.
7.What is the process for return or replacement of 3.0SMCJ17AQ-13?
All 3.0SMCJ17AQ-13 units undergo pre-shipment inspection (PSI). If there is an issue with 3.0SMCJ17AQ-13, 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 3.0SMCJ17AQ-13 part is unused and in its original packaging.
Return procedure for 3.0SMCJ17AQ-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
3.0SMCJ17AQ-13 Tags
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Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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