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Diodes Incorporated P6SMAJ12ADFQ-13
- Part No.:
- P6SMAJ12ADFQ-13
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- 2-SMD, Flat Leads
- Datasheet:
-
P6SMAJ12ADFQ-13.pdf
- Description:
- TRANSIENT VOLTAGE SUPPRESSOR D-F
- Quantity:
- Payment:
- Shipping:
Inventory:5,398
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Product details
Overview
P6SMAJ12ADFQ-13 from Diodes Incorporated is an AEC-Q101 qualified 600W surface-mount transient voltage suppressor (TVS) diode in D-FLAT package, designed for automotive-grade overvoltage protection. It features a 12V reverse standoff voltage (VRWM), 13.3–15.3V breakdown range (VBR), 19.9V clamping voltage (VC) at 30.2A peak pulse current (IPP), and is optimized for CAN bus, power line, and sensor interface surge suppression.
For engineers reviewing the P6SMAJ12ADFQ-13 datasheet, P6SMAJ12ADFQ-13 pinout, P6SMAJ12ADFQ-13 application, or P6SMAJ12ADFQ-13 equivalent, this device delivers verified automotive-grade transient immunity with low clamping ratio (VC/VRWM ≈ 1.66), fast response time (<1 ns), and IATF16949-certified manufacturing traceability.
Technical Context
This unidirectional TVS diode operates as a shunt-type protector, conducting when reverse voltage exceeds its breakdown threshold to clamp transients to ≤19.9V. Its glass-passivated junction ensures stable VBR tolerance (±5% typical) and low leakage (<1 µA at VRWM).
Designed for 8.3ms half-sine surge waveforms per JEDEC standards, it sustains 600W non-repetitive peak pulse power with thermal resistance RθJA = 92°C/W on compact 0.4" × 0.5" FR-4 PCB pads-enabling robust protection in space-constrained automotive ECUs and ADAS modules.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Pulse Power | 600 W - Withstands ISO 7637-2 Pulse 1/2a/3a surges without failure |
| Clamping Voltage (VC) | 19.9 V @ 30.2 A - Limits downstream IC voltage stress during 10/1000µs transients |
| Breakdown Voltage (VBR) | 13.3–15.3 V @ 1.0 mA - Ensures reliable triggering above 12V system nominal rail |
| Reverse Standoff (VRWM) | 12 V - Matches 12V automotive battery systems with margin before conduction |
| Leakage Current (IR) | <1 µA @ 12 V - Minimizes standby power loss in always-on vehicle networks |
| Package | D-FLAT - 2.25–2.95 mm width, 3.95–4.60 mm length, 0.90–1.10 mm height for high-density layout |
Pinout & Package
The P6SMAJ12ADFQ-13 uses a 2-terminal D-FLAT surface-mount package with cathode band marking. Terminals are matte tin annealed over copper lead-frame, solderable per MIL-STD-202 Method 208.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Cathode) | Transient current sink | Connected to protected line; conducts surge current to ground when clamped |
| 2 (Anode) | Reference / Ground return | Typically tied to chassis or system ground; completes shunt path during overvoltage event |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive underhood environments (−55°C to +150°C TJ) |
| Low-profile D-FLAT package | Height ≤1.10 mm enables placement under connectors or near EMI-sensitive circuits |
| 64°C/W junction-to-terminal thermal resistance | Enables efficient heat transfer to PCB copper pad without heatsink |
| Halogen- and antimony-free "Green" construction | Meets automotive ELV Directive with Br+Cl <1500 ppm and Sb <1000 ppm |
Applications
| Automotive Body Control Module (BCM) | Infotainment System Power Input |
|---|---|
Use Scenario: Protects LIN bus transceivers and door actuator drivers from load dump and alternator ripple. IC Role / Device Role / Timing Role: Shunt TVS placed between LIN line and ground, triggered within <1 ns of overvoltage onset. Use Value: Clamps transients to 19.9V, preventing damage to 24V-tolerant transceivers while maintaining signal integrity below 12V operating range. | Use Scenario: Guards 5V/12V DC-DC converter input against ISO 7637-2 Pulse 1 (inductive switch-off) in head unit power rails. IC Role / Device Role / Timing Role: Primary front-end surge suppressor upstream of input filter capacitor and controller IC. Use Value: Absorbs 600W pulses without degradation, preserving converter reliability across 15-year vehicle service life. |
| ADAS Camera Module Interface | Electric Power Steering (EPS) Sensor Line |
Use Scenario: Shields FPD-Link III serial interface lines from ESD and cable discharge events in rear-view camera harnesses. IC Role / Device Role / Timing Role: Low-capacitance (≈30 pF at 0 V) TVS placed directly at connector entry point. Use Value: Adds <0.5 pF parasitic capacitance to differential pair, avoiding signal rise-time degradation beyond MIPI spec limits. | Use Scenario: Protects analog torque sensor outputs (0–5V ratiometric) from ignition noise coupling in EPS motor control harnesses. IC Role / Device Role / Timing Role: Unidirectional shunt clamp on each sensor line referenced to chassis ground. Use Value: Maintains <1 µA leakage at 5V, eliminating offset error in precision ratiometric ADC measurements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ12A-Q | Non-automotive grade; no AEC-Q101 qualification; RθJA = 115°C/W | Limited to industrial/commercial use; not PPAP-capable | Select only if automotive change control and IATF16949 traceability are unnecessary |
| 1.5SMC12A-Q | Higher power (1500W); DO-214AB package (larger footprint); VC = 19.2V @ 78.1A | Better for high-energy surges but incompatible with D-FLAT board space constraints | Choose when surge energy exceeds 600W and PCB area allows larger case |
Compared with SMAJ12A-Q and 1.5SMC12A-Q, P6SMAJ12ADFQ-13 uniquely balances automotive qualification, ultra-low profile, and precise 12V system compatibility-making it optimal for space-limited, safety-critical vehicle subsystems where supply chain traceability is mandatory.
Availability
P6SMAJ12ADFQ-13 is available at Aetrix Electronics and suitable for automotive body electronics, ADAS camera interfaces, and electric power steering sensor protection requiring stable component supply and full AEC-Q101 compliance.
Supply support for P6SMAJ12ADFQ-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 components for automotive, industrial, and computing markets.
The P6SMAJxxADFQ series belongs to Diodes' automotive-qualified TVS portfolio, engineered specifically for ISO 7637-2 and ISO 16750-2 compliance in 12V/24V vehicle architectures with zero-defect manufacturing requirements.
FAQ
What is the maximum operating temperature for P6SMAJ12ADFQ-13?
The device supports continuous operation from −55°C to +150°C junction temperature (TJ). Its thermal resistance RθJA = 92°C/W on a 0.4" × 0.5" FR-4 board enables reliable performance at full rated power up to +125°C ambient when mounted per recommended pad layout.
Is P6SMAJ12ADFQ-13 bidirectional or unidirectional?
P6SMAJ12ADFQ-13 is a unidirectional TVS diode, configured for reverse-biased operation with cathode connected to the protected line. Its schematic shows anode (pin 2) as ground reference-making it unsuitable for AC line or bipolar signal protection without external circuitry.
Does this part meet RoHS 3 and REACH requirements?
Yes. P6SMAJ12ADFQ-13 is RoHS 3 compliant (2015/863/EU), halogen- and antimony-free ("Green"), with bromine <900 ppm, chlorine <900 ppm (Br+Cl <1500 ppm), and antimony <1000 ppm. Full compliance documentation is available via Diodes Incorporated's quality portal.
Can P6SMAJ12ADFQ-13 be used in parallel for higher surge handling?
No. Parallel connection is not recommended due to VBR mismatch (±5% tolerance), which causes uneven current sharing and potential single-device failure. For higher energy needs, select a single higher-power device like 1.5SMC12A-Q or verify matched-bin pairing with Diodes Incorporated application engineering.
P6SMAJ12ADFQ-13 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Package/Case:
- 2-SMD, Flat Leads
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 12V
- Voltage - Breakdown (Min):
- 13.3V
- Voltage - Clamping (Max) @ Ipp:
- 19.9V
- Current - Peak Pulse (10/1000µs):
- 30.2A
- 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:
- D-Flat
P6SMAJ12ADFQ-13 FAQ
1.How can I place an order for P6SMAJ12ADFQ-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMAJ12ADFQ-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 P6SMAJ12ADFQ-13 reliable?
The price and inventory of P6SMAJ12ADFQ-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMAJ12ADFQ-13 is usually 5 days.
3.What payment methods are accepted for P6SMAJ12ADFQ-13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMAJ12ADFQ-13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMAJ12ADFQ-13?
P6SMAJ12ADFQ-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMAJ12ADFQ-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 P6SMAJ12ADFQ-13?
For technical support, including P6SMAJ12ADFQ-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMAJ12ADFQ-13 requirements.
6.How does Aetrix verify that P6SMAJ12ADFQ-13 is sourced from the original manufacturer or authorized distributors?
All P6SMAJ12ADFQ-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 P6SMAJ12ADFQ-13 meets industry standards.
7.What is the process for return or replacement of P6SMAJ12ADFQ-13?
All P6SMAJ12ADFQ-13 units undergo pre-shipment inspection (PSI). If there is an issue with P6SMAJ12ADFQ-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 P6SMAJ12ADFQ-13 part is unused and in its original packaging.
Return procedure for P6SMAJ12ADFQ-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMAJ12ADFQ-13 Tags
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