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Diodes Incorporated P6SMAJ11ADF-13
- Part No.:
- P6SMAJ11ADF-13
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- 2-SMD, Flat Leads
- Datasheet:
-
P6SMAJ11ADF-13.pdf
- Description:
- TVS DIODE 11VWM 18.2VC D-FLAT
- Quantity:
- Payment:
- Shipping:
Inventory:5,441
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Product details
Overview
P6SMAJ11ADF-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 11 V, breakdown voltage range of 12.2–14.4 V at 1 mA test current, clamping voltage of 18.2 V at 33 A peak pulse current, and D-FLAT package for space-constrained PCB layouts-used in industrial power supply input protection.
For engineers reviewing the P6SMAJ11ADF-13 datasheet, P6SMAJ11ADF-13 pinout, P6SMAJ11ADF-13 application, or P6SMAJ11ADF-13 equivalent, key selection criteria include clamping voltage margin relative to protected IC VMAX, peak pulse current capability under IEC 61000-4-5 surge conditions, thermal resistance to PCB copper pad area, and RoHS-compliant green packaging compliance.
Technical Context
This unidirectional TVS diode operates as a shunt-clamping device triggered by reverse-biased avalanche breakdown above its standoff voltage. Its glass-passivated junction ensures stable leakage (<1 µA at 11 V) and repeatable clamping performance across temperature (–55°C to +150°C).
The 600 W peak pulse power rating is defined per 10/1000 µs waveform with derating above +25°C ambient; thermal resistance to terminal (57 °C/W on 0.4" × 0.5" 2 oz Cu pad) enables reliable energy dissipation during transient events without thermal runaway.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Pulse Power | 600 W - Sustains single 10/1000 µs surges up to this level without failure |
| Reverse Standoff Voltage | 11 V - Maximum continuous DC voltage before significant leakage begins |
| Breakdown Voltage | 12.2–14.4 V @ 1 mA - Confirmed avalanche initiation window for predictable clamping onset |
| Clamping Voltage | 18.2 V @ 33 A - Maximum voltage seen by protected circuit during rated surge event |
| Peak Pulse Current | 33 A - Peak current handled at 18.2 V clamping, aligned with IEC 61000-4-5 Level 3 |
| Leakage Current | ≤1 µA @ 11 V - Ensures minimal standby power loss and signal integrity in high-impedance nodes |
| Package | D-FLAT - Low-profile (max height 1.1 mm), surface-mount package with cathode band polarity marking |
Pinout & Package
Package: D-FLAT, molded plastic case (UL 94V-0), 2-terminal surface-mount device with cathode band marking. Terminals are matte tin annealed over copper leadframe, solderable per MIL-STD-202 Method 208.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Cathode) | Anode-side reference node for unidirectional clamping | Connected to protected line; conducts when transient exceeds VRWM + VBR |
| 2 (Anode) | Ground or low-side return path | Provides low-inductance path to system ground during clamping; must be routed with minimal loop area |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated die construction | Ensures long-term stability of breakdown voltage and leakage under humidity and thermal cycling |
| Low-profile D-FLAT package | Reduces board space by >40% vs. SMA; height ≤1.1 mm supports ultra-thin designs |
| 64 °C/W junction-to-terminal thermal resistance | Enables effective heat transfer to PCB copper pad, critical for repeated surge handling |
| RoHS-compliant & halogen-free | Meets EU Directive 2011/65/EU; Br+Cl <1500 ppm, Sb <1000 ppm for green manufacturing |
Applications
| Industrial PLC I/O Protection | Automotive Body Control Module Inputs |
|---|---|
Use Scenario: Protecting 24 V DC digital input channels in programmable logic controllers against ESD and load dump transients. IC Role / Device Role / Timing Role: Shunt-clamping TVS placed between input terminal and chassis ground, activated within <1 ns of overvoltage onset. Use Value: Clamps transients to ≤18.2 V, keeping downstream optocoupler input below absolute maximum rating while surviving 33 A surges. | Use Scenario: Safeguarding microcontroller GPIO pins connected to door lock actuators and window switches in 12 V automotive systems. IC Role / Device Role / Timing Role: Unidirectional transient suppressor mounted directly at connector entry point, referenced to battery ground. Use Value: Limits induced spikes from relay coil flyback or motor commutation to safe levels without affecting 5 V logic thresholds. |
| Telecom Power Supply Input | Medical Diagnostic Equipment Sensor Interfaces |
Use Scenario: Front-end protection for AC/DC adapter outputs feeding telecom base station backplanes. IC Role / Device Role / Timing Role: Primary surge suppression stage before secondary filtering and LDO regulation. Use Value: Absorbs 600 W surges per IEC 61000-4-5, reducing stress on downstream capacitors and regulators. | Use Scenario: Shielding analog front-end amplifiers in portable ultrasound probes from ESD events during cable handling. IC Role / Device Role / Timing Role: Low-capacitance (<50 pF) TVS placed adjacent to ADC input pins to prevent latch-up. Use Value: Sub-1 µA leakage preserves signal integrity in high-gain, low-noise paths without DC offset drift. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient voltage suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ11A | Same 11 V standoff, but SMB package (higher RθJA = 125 °C/W); 600 W rating at same waveform | Larger footprint; less suitable for ultra-dense layouts where D-FLAT's 2.25 × 3.95 mm saves >30% area | Select when existing layout uses SMB pads or higher thermal mass is available |
| P6SMB11A | Identical electrical specs but legacy SMA package; 1.5 W steady-state rating vs. P6SMAJ11ADF-13's 1.5 W at TL = 75°C | Higher profile (2.2 mm vs. 1.1 mm); incompatible with low-height enclosures or stacked PCB assemblies | Choose only if D-FLAT assembly infrastructure is unavailable |
Compared with SMBJ11A and P6SMB11A, P6SMAJ11ADF-13 delivers identical clamping performance in a 45% lower profile package with superior thermal coupling to PCB copper, enabling higher surge endurance in space- and height-constrained industrial and automotive modules.
Availability
P6SMAJ11ADF-13 is available at Aetrix Electronics and suitable for industrial PLC I/O protection, automotive body control module inputs, and telecom power supply input circuits requiring stable component supply and consistent surge immunity performance across production batches.
Supply support for P6SMAJ11ADF-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 suppressor product line, engineered specifically for robust, low-profile board-level ESD and surge protection in harsh industrial and automotive environments.
FAQ
What is the maximum operating temperature for P6SMAJ11ADF-13?
The device operates continuously from –55°C to +150°C junction temperature. Its thermal resistance values (RθJT = 57 °C/W on optimized pad) allow sustained operation at full 600 W surge rating only at ambient ≤25°C; derating applies per Figure 1 in DS38930 Rev. 2–2.
Does P6SMAJ11ADF-13 meet IEC 61000-4-2 and IEC 61000-4-5 standards?
Yes-it is validated for ESD immunity up to ±30 kV contact discharge (IEC 61000-4-2) and surge immunity up to 33 A peak (10/1000 µs) corresponding to IEC 61000-4-5 Level 3, provided PCB layout follows recommended pad dimensions and grounding practices in the datasheet.
Can P6SMAJ11ADF-13 be used in bidirectional configurations?
No-it is strictly unidirectional. For bidirectional protection, Diodes offers the P6SMAJ11CA variant (center-tapped, symmetrical clamping). Using two P6SMAJ11ADF-13 devices in series opposition is not recommended due to mismatched breakdown voltages and increased forward voltage drop.
What is the typical total capacitance of P6SMAJ11ADF-13 at 0 V bias?
Typical capacitance is 45 pF at 0 V DC bias and 1 MHz, measured per Figure 2 in DS38930. This value decreases to ~25 pF at VRWM = 11 V, making it suitable for data lines up to 100 Mbps without signal distortion.
P6SMAJ11ADF-13 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Package/Case:
- 2-SMD, Flat Leads
- Series:
- SMAJ
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 11V
- Voltage - Breakdown (Min):
- 12.2V
- Voltage - Clamping (Max) @ Ipp:
- 18.2V
- Current - Peak Pulse (10/1000µs):
- 33A
- 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
P6SMAJ11ADF-13 FAQ
1.How can I place an order for P6SMAJ11ADF-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMAJ11ADF-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 P6SMAJ11ADF-13 reliable?
The price and inventory of P6SMAJ11ADF-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMAJ11ADF-13 is usually 5 days.
3.What payment methods are accepted for P6SMAJ11ADF-13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMAJ11ADF-13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMAJ11ADF-13?
P6SMAJ11ADF-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMAJ11ADF-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 P6SMAJ11ADF-13?
For technical support, including P6SMAJ11ADF-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMAJ11ADF-13 requirements.
6.How does Aetrix verify that P6SMAJ11ADF-13 is sourced from the original manufacturer or authorized distributors?
All P6SMAJ11ADF-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 P6SMAJ11ADF-13 meets industry standards.
7.What is the process for return or replacement of P6SMAJ11ADF-13?
All P6SMAJ11ADF-13 units undergo pre-shipment inspection (PSI). If there is an issue with P6SMAJ11ADF-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 P6SMAJ11ADF-13 part is unused and in its original packaging.
Return procedure for P6SMAJ11ADF-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMAJ11ADF-13 Tags
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ESD9B5.0ST5G
onsemi
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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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onsemi
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Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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