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Diodes Incorporated P6SMAJ9.0ADF-13
- Part No.:
- P6SMAJ9.0ADF-13
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- 2-SMD, Flat Leads
- Datasheet:
-
P6SMAJ9.0ADF-13.pdf
- Description:
- TVS DIODE 9VWM 15.4VC D-FLAT
- Quantity:
- Payment:
- Shipping:
Inventory:6,661
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Product details
Overview
P6SMAJ9.0ADF-13 from Diodes Incorporated is a 600W surface-mount transient voltage suppressor (TVS) diode designed for unidirectional overvoltage protection in DC power lines and signal interfaces. It features a reverse standoff voltage of 9.0 V, breakdown voltage range of 10.0–11.5 V at 1.0 mA test current, clamping voltage of 15.4 V at 39.0 A peak pulse current, and low leakage of ≤5.0 µA at VRWM - deployed in industrial power supplies and automotive body electronics.
For engineers reviewing the P6SMAJ9.0ADF-13 datasheet, P6SMAJ9.0ADF-13 pinout, P6SMAJ9.0ADF-13 application, or P6SMAJ9.0ADF-13 equivalent, key selection criteria include clamping performance under 10/1000 µs surge, thermal resistance on FR-4 PCBs, D-FLAT package footprint compatibility, and compliance with IEC 61000-4-2/4-5 Level 4 ESD and surge immunity requirements.
Technical Context
This unidirectional TVS diode operates as a clamping device in parallel with protected circuitry, conducting only when reverse voltage exceeds its breakdown threshold. Its glass-passivated junction ensures stable VBR tolerance and low leakage across temperature, while the D-FLAT package enables low-inductance mounting critical for fast transient suppression.
The device responds to transients within <1 ps and handles non-repetitive 8.3 ms half-sine surges up to 60 A. Thermal design relies on RθJA = 92 °C/W (on 0.4" × 0.5" 2 oz copper pad), supporting sustained operation up to +150 °C junction temperature in compact power rail protection layouts.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Pulse Power | 600 W - sustains single 10/1000 µs surges without failure in standard PCB layouts |
| Reverse Standoff Voltage (VRWM) | 9.0 V - maximum continuous DC operating voltage before significant leakage begins |
| Breakdown Voltage (VBR) | 10.0–11.5 V @ 1.0 mA - defines precise conduction onset for accurate overvoltage thresholding |
| Clamping Voltage (VC) | 15.4 V @ 39.0 A - limits downstream voltage during worst-case surge, protecting 12 V logic and analog ICs |
| Max Reverse Leakage (IR) | ≤5.0 µA @ 9.0 V - negligible standby current draw in battery-powered or low-power systems |
| Package | D-FLAT - 2-pin, low-profile surface-mount outline (4.65 mm × 2.80 mm × 1.10 mm) optimized for space-constrained designs |
Pinout & Package
The P6SMAJ9.0ADF-13 is housed in a polarized D-FLAT package with cathode indicated by a band on the top surface. The two terminals are electrically asymmetric: anode (pin 2) connects to ground or return path; cathode (pin 1) connects to the line being protected.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Cathode Band) | Protected Line Input | Connected to the signal or power rail requiring transient suppression; conducts surge current to ground when clamped |
| 2 (Anode) | Reference / Ground Return | Typically tied to system ground plane; completes current path during transient events and sets reference for clamping action |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated die construction | Ensures long-term VBR stability and low parameter drift across temperature and humidity stress |
| Low-profile D-FLAT package | Reduces board area by >40% vs. SMA; enables high-density routing near connectors and IC power pins |
| Fast response time (<1 ps) | Activates before most IC input structures can be damaged by ESD or lightning-induced spikes |
| RoHS-compliant, halogen-free finish | Meets IPC-J-STD-020 moisture sensitivity Level 1 and automotive ELV directive requirements |
Applications
| Industrial Power Supply Protection | Automotive Body Control Module (BCM) |
|---|---|
Use Scenario: Protects 12 V DC input rails in programmable logic controllers against load dump and ISO 7637-2 Pulse 5a surges. IC Role / Device Role / Timing Role: Unidirectional clamping TVS placed upstream of DC-DC converters and microcontroller power inputs. Use Value: Limits transient voltage to ≤15.4 V, preventing latch-up or permanent damage to 16 V-rated input stages. | Use Scenario: Shields LIN bus transceivers and door module sensors from battery reversal and jump-start induced transients. IC Role / Device Role / Timing Role: Line-side surge suppressor between vehicle battery and local regulator ICs. Use Value: Withstands 60 A 8.3 ms surges per JEDEC, maintaining signal integrity during cold-cranking events. |
| USB Type-C Port ESD Protection | Smart Meter Communication Interface |
Use Scenario: Guards VBUS and CC lines in USB-C receptacles against contact ESD per IEC 61000-4-2 ±15 kV air/±8 kV contact discharge. IC Role / Device Role / Timing Role: Primary clamping element in series with low-capacitance ESD arrays on high-speed data lines. Use Value: Delivers sub-15.4 V clamping with <5 µA leakage, preserving USB 2.0 signal rise time and insertion loss. | Use Scenario: Secures RS-485 transceiver inputs in utility smart meters exposed to induced surges on long outdoor wiring runs. IC Role / Device Role / Timing Role: First-stage protector ahead of isolated RS-485 interface ICs and optocouplers. Use Value: Absorbs 600 W transients per IEC 61000-4-5 Level 4, enabling compliance without external spark gaps or MOVs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar unidirectional TVS diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ9.0A-13-F | Higher clamping voltage (16.0 V @ 38.2 A); SMB package (larger footprint, higher inductance) | Less effective for tight 12 V rail margins; better suited for less sensitive 24 V industrial systems | Select when board layout allows larger SMB footprint and clamping margin ≥16.0 V is acceptable |
| 1.5SMC9.0A | Same VRWM and VC, but SMC package (7.1 mm × 6.2 mm); higher thermal mass but 3× larger area | Preferred for high-reliability telecom power modules where thermal cycling endurance is prioritized over size | Choose for legacy SMC-compatible footprints or where RθJA < 60 °C/W is required under continuous surge duty |
Compared with SMBJ9.0A-13-F and 1.5SMC9.0A, the P6SMAJ9.0ADF-13 delivers identical 9.0 V standoff and tighter 15.4 V clamping in the smallest footprint (D-FLAT), making it optimal for space-constrained 12 V automotive and portable electronics where low parasitic inductance is critical.
Availability
P6SMAJ9.0ADF-13 is available at Aetrix Electronics and suitable for industrial power supply protection, automotive body control modules, USB Type-C port hardening, and smart meter communication interfaces requiring stable component supply and full RoHS/halogen-free compliance.
Supply support for P6SMAJ9.0ADF-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, headquartered in Plano, Texas, with design, manufacturing, and sales operations across Asia, Europe, and North America.
The P6SMAJ series belongs to Diodes' transient voltage suppression portfolio, engineered specifically for high-power, low-inductance surge protection in automotive, industrial, and consumer electronics where compact size and repeatable clamping performance are essential.
FAQ
What is the maximum peak pulse current rating for P6SMAJ9.0ADF-13?
The P6SMAJ9.0ADF-13 is rated for a maximum peak pulse current (IPP) of 39.0 A under the standardized 10 × 1000 µs waveform per IEC 61000-4-5. This value is measured at a clamping voltage of 15.4 V and reflects single-event surge capability on FR-4 PCBs with appropriate copper pour. Repetitive surges require derating per Figure 1 in the datasheet.
Does P6SMAJ9.0ADF-13 support bidirectional transient suppression?
No, P6SMAJ9.0ADF-13 is a unidirectional TVS diode intended for DC line protection only. Its schematic symbol and internal structure include a single PN junction with cathode marking, limiting conduction to reverse-biased conditions. For AC or bidirectional signal lines, a dedicated bidirectional variant such as P6SMBJ9.0C-13 must be used.
What is the thermal resistance of P6SMAJ9.0ADF-13 on a standard PCB?
When mounted on a 0.4" × 0.5", 2 oz copper pad on FR-4, the P6SMAJ9.0ADF-13 exhibits a typical junction-to-ambient thermal resistance (RθJA) of 92 °C/W. This value assumes no additional thermal vias or heatsinking; adding thermal vias beneath the pad can reduce RθJA by up to 30%, improving surge survivability in high-temperature environments.
How does the D-FLAT package affect PCB layout compared to SMA or SMB?
The D-FLAT package measures 4.65 mm × 2.80 mm with a maximum height of 1.10 mm - significantly smaller than SMA (4.5 mm × 2.7 mm × 2.2 mm) and SMB (4.6 mm × 3.6 mm × 2.3 mm). Its flat bottom and short leads reduce parasitic inductance by ~35% versus SMB, enabling faster clamping response; pad layout must follow Diodes' recommended 0.2" × 0.25" copper area for optimal thermal performance.
P6SMAJ9.0ADF-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):
- 9V
- Voltage - Breakdown (Min):
- 10V
- Voltage - Clamping (Max) @ Ipp:
- 15.4V
- Current - Peak Pulse (10/1000µs):
- 39A
- Power - Peak Pulse:
- 600W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- D-Flat
P6SMAJ9.0ADF-13 FAQ
1.How can I place an order for P6SMAJ9.0ADF-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMAJ9.0ADF-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 P6SMAJ9.0ADF-13 reliable?
The price and inventory of P6SMAJ9.0ADF-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMAJ9.0ADF-13 is usually 5 days.
3.What payment methods are accepted for P6SMAJ9.0ADF-13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMAJ9.0ADF-13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMAJ9.0ADF-13?
P6SMAJ9.0ADF-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMAJ9.0ADF-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 P6SMAJ9.0ADF-13?
For technical support, including P6SMAJ9.0ADF-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMAJ9.0ADF-13 requirements.
6.How does Aetrix verify that P6SMAJ9.0ADF-13 is sourced from the original manufacturer or authorized distributors?
All P6SMAJ9.0ADF-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 P6SMAJ9.0ADF-13 meets industry standards.
7.What is the process for return or replacement of P6SMAJ9.0ADF-13?
All P6SMAJ9.0ADF-13 units undergo pre-shipment inspection (PSI). If there is an issue with P6SMAJ9.0ADF-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 P6SMAJ9.0ADF-13 part is unused and in its original packaging.
Return procedure for P6SMAJ9.0ADF-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMAJ9.0ADF-13 Tags
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