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Diodes Incorporated P6SMAJ24ADFQ-13
- Part No.:
- P6SMAJ24ADFQ-13
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- 2-SMD, Flat Leads
- Datasheet:
-
P6SMAJ24ADFQ-13.pdf
- Description:
- TRANSIENT VOLTAGE SUPPRESSOR D-F
- Quantity:
- Payment:
- Shipping:
Inventory:3,469
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Product details
Overview
P6SMAJ24ADFQ-13 from Diodes Incorporated is a 600W surface-mount transient voltage suppressor (TVS) diode designed for automotive-grade overvoltage protection in DC power rails and signal lines. It features a reverse standoff voltage of 24 V, clamping voltage of 38.9 V at 15.4 A peak pulse current, and AEC-Q101 qualification for under-hood and infotainment system applications.
For engineers reviewing the P6SMAJ24ADFQ-13 datasheet, P6SMAJ24ADFQ-13 pinout, P6SMAJ24ADFQ-13 application, or P6SMAJ24ADFQ-13 equivalent, key selection criteria include clamping performance at 10/1000 µs surge, thermal resistance on FR-4 PCBs, D-FLAT package footprint compatibility, and automotive PPAP readiness.
Technical Context
This unidirectional TVS diode operates as a shunt-type protector with cathode-anode polarity, triggered when reverse voltage exceeds 24 V standoff level. Its glass-passivated junction ensures stable breakdown behavior and low leakage (<1 µA at VRWM), while fast response time (<1 ns) enables suppression of ESD and lightning-induced transients.
The device delivers 600 W peak pulse power per IEC 61000-4-5 10/1000 µs waveform, with thermal resistance of 57 °C/W (junction-to-terminal) on optimized 0.4" × 0.5" copper pads. It is rated for operation from −55 °C to +150 °C and complies with AEC-Q101 stress test requirements including HTGB, HTRB, and TCT.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Pulse Power | 600 W - Sustains single 10/1000 µs surges without failure in automotive load-dump scenarios. |
| Reverse Standoff Voltage | 24 V - Stable blocking threshold for 24 V nominal systems before clamping activates. |
| Clamping Voltage | 38.9 V @ 15.4 A - Limits downstream voltage to safe levels during 600 W transient events. |
| Breakdown Voltage | 26.7–30.7 V @ 1 mA - Confirmed avalanche onset range ensuring reliable turn-on margin. |
| Thermal Resistance (J–T) | 57 °C/W - Enables effective heat transfer to PCB pad on compact 0.4" × 0.5" layout. |
| Operating Temperature | −55 °C to +150 °C - Validated for engine bay and powertrain control unit environments. |
Pinout & Package
Package: D-FLAT (low-profile surface-mount, 2-pin, cathode-banded, 0.9–1.1 mm height, 2.25–2.95 mm width, 3.95–4.60 mm length).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Cathode) | Transient current sink | Connected to protected line; conducts surge current to ground when voltage exceeds VRWM. |
| 2 (Anode) | Reference node | Typically tied to system ground; completes shunt path during overvoltage event. |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated die | Ensures consistent breakdown voltage and long-term reliability under thermal cycling. |
| AEC-Q101 qualification | Validates suitability for automotive electronics with full PPAP documentation support. |
| D-FLAT package | Reduces board space by 40% vs. SMA; enables high-density routing in ADAS modules. |
| Lead-free & halogen-free | Meets RoHS 3 and automotive green standards (<900 ppm Br/Cl, <1000 ppm Sb). |
Applications
| Automotive Infotainment Power Rail | Body Control Module (BCM) CAN Bus Protection |
|---|---|
Use Scenario: Protects 24 V supply input to head unit MCU and display driver ICs against ISO 7637-2 pulse 1 and pulse 3a/b transients. IC Role / Device Role: Shunt TVS placed between VIN and GND, upstream of DC-DC converter. Use Value: Clamps 38.9 V max during 600 W surge, preventing latch-up or damage to 3.3 V/5 V LDOs and microcontrollers. | Use Scenario: Safeguards CANH/CANL differential pair in BCM against ESD (IEC 61000-4-2 ±15 kV) and battery dump. IC Role / Device Role: Unidirectional TVS on each line (CANH–GND, CANL–GND) with 24 V standoff. Use Value: Low capacitance (<50 pF at 0 V) avoids signal integrity degradation at 500 kbps CAN FD rates. |
| Electric Power Steering (EPS) Sensor Interface | 12 V/24 V Dual-Voltage Telematics Gateway |
Use Scenario: Shields analog torque sensor output (0–5 V ratiometric) from coupled transients in EPS motor drive circuits. IC Role / Device Role: Low-leakage TVS (IR ≤1 µA @ 24 V) placed at ADC input filter stage. Use Value: Prevents offset drift or saturation in precision op-amp front-end without loading sensor output. | Use Scenario: Provides common-mode surge protection on dual-rail power inputs (12 V logic, 24 V modem) in fleet telematics units. IC Role / Device Role: Parallel TVS array (one per rail) with matched clamping to avoid cross-rail coupling. Use Value: Enables single-BOM flexibility across 12 V and 24 V vehicle platforms using same PCB layout. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ24A-Q | Same 24 V standoff and 38.9 V clamping, but non-automotive grade; no AEC-Q101 or PPAP support. | Limited to industrial/commercial designs without automotive change control requirements. | Select when cost sensitivity outweighs automotive qualification needs and lifecycle traceability is not required. |
| 1.5SMC24AQ | Higher 1.5 kW rating, larger SMC package (7.1 × 6.2 mm), 39.4 V clamping at 38 A. | Used where higher energy handling is needed but board space allows larger footprint. | Choose for heavy-duty commercial vehicles with extended load-dump profiles exceeding 600 W. |
Compared with SMAJ24A-Q and 1.5SMC24AQ, P6SMAJ24ADFQ-13 uniquely balances AEC-Q101 compliance, D-FLAT space efficiency, and precise 24 V system alignment-making it optimal for modern compact automotive ECUs where qualification, footprint, and clamping accuracy are jointly critical.
Availability
P6SMAJ24ADFQ-13 is available at Aetrix Electronics and suitable for automotive infotainment systems, body control modules, and electric power steering units requiring stable component supply with full AEC-Q101 traceability and PPAP documentation.
Supply support for P6SMAJ24ADFQ-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 P6SMAJ series belongs to Diodes' automotive-qualified TVS portfolio, engineered specifically for robust transient suppression in harsh-temperature, high-vibration vehicle subsystems with strict change-control discipline.
FAQ
What is the maximum clamping voltage for P6SMAJ24ADFQ-13 under standard test conditions?
The maximum clamping voltage is 38.9 V, measured at 15.4 A peak pulse current using the 10 × 1000 µs waveform per IEC 61000-4-5. This value is guaranteed across temperature (−55 °C to +150 °C) and represents the upper limit of voltage seen by protected circuitry during worst-case surge events.
Is P6SMAJ24ADFQ-13 compatible with lead-free reflow soldering processes?
Yes. The device uses matte tin annealed over copper lead-frame and is qualified for Pb-free reflow per J-STD-020, with moisture sensitivity level 1. It supports peak reflow temperatures up to 260 °C and is fully compliant with RoHS 3 and JEDEC standards for automotive assembly.
How does the D-FLAT package improve thermal performance compared to standard SMA?
The D-FLAT package reduces thermal resistance to 57 °C/W (junction-to-terminal) on a 0.4" × 0.5" copper pad-25% lower than typical SMA packages-due to its flat, low-profile construction and direct thermal path to the PCB. This enables higher sustained power dissipation in space-constrained automotive modules.
Can P6SMAJ24ADFQ-13 be used in bidirectional configurations?
No. P6SMAJ24ADFQ-13 is a unidirectional TVS diode, intended only for DC line protection with defined polarity (cathode to line, anode to ground). For AC or bidirectional signal protection, a dedicated bidirectional variant such as P6SMBJ24ADFQ-13 must be selected.
P6SMAJ24ADFQ-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):
- 24V
- Voltage - Breakdown (Min):
- 26.7V
- Voltage - Clamping (Max) @ Ipp:
- 38.9V
- Current - Peak Pulse (10/1000µs):
- 15.4A
- 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
P6SMAJ24ADFQ-13 FAQ
1.How can I place an order for P6SMAJ24ADFQ-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMAJ24ADFQ-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 P6SMAJ24ADFQ-13 reliable?
The price and inventory of P6SMAJ24ADFQ-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMAJ24ADFQ-13 is usually 5 days.
3.What payment methods are accepted for P6SMAJ24ADFQ-13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMAJ24ADFQ-13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMAJ24ADFQ-13?
P6SMAJ24ADFQ-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMAJ24ADFQ-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 P6SMAJ24ADFQ-13?
For technical support, including P6SMAJ24ADFQ-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMAJ24ADFQ-13 requirements.
6.How does Aetrix verify that P6SMAJ24ADFQ-13 is sourced from the original manufacturer or authorized distributors?
All P6SMAJ24ADFQ-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 P6SMAJ24ADFQ-13 meets industry standards.
7.What is the process for return or replacement of P6SMAJ24ADFQ-13?
All P6SMAJ24ADFQ-13 units undergo pre-shipment inspection (PSI). If there is an issue with P6SMAJ24ADFQ-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 P6SMAJ24ADFQ-13 part is unused and in its original packaging.
Return procedure for P6SMAJ24ADFQ-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMAJ24ADFQ-13 Tags
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