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Diodes Incorporated P6SMAJ7.0ADF-13
- Part No.:
- P6SMAJ7.0ADF-13
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- 2-SMD, Flat Leads
- Datasheet:
-
P6SMAJ7.0ADF-13.pdf
- Description:
- TVS DIODE 7VWM 12VC D-FLAT
- Quantity:
- Payment:
- Shipping:
Inventory:9,745
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Product details
Overview
P6SMAJ7.0ADF-13 from Diodes Incorporated is a 600W surface-mount transient voltage suppressor (TVS) diode designed for unidirectional overvoltage protection in DC power rails and signal lines. It features a reverse standoff voltage of 7.0 V, breakdown voltage range of 7.78–8.95 V at 10 mA, clamping voltage of 12.0 V at 50 A peak pulse current, and D-FLAT package for space-constrained PCB layouts.
For engineers reviewing the P6SMAJ7.0ADF-13 datasheet, P6SMAJ7.0ADF-13 pinout, P6SMAJ7.0ADF-13 application, or P6SMAJ7.0ADF-13 equivalent, key selection criteria include clamping voltage margin relative to protected IC VDD, peak pulse current handling under IEC 61000-4-5 surge conditions, thermal resistance to PCB copper pad area, and RoHS-compliant green packaging for industrial and automotive electronics.
Technical Context
This TVS diode operates as a unidirectional avalanche clamp, triggered when reverse voltage exceeds its breakdown threshold. Its glass-passivated junction ensures stable leakage performance (<200 µA at 7.0 V) and fast response time (<1.0 ps), enabling effective suppression of ESD (IEC 61000-4-2) and lightning-induced surges (IEC 61000-4-5).
The device uses a low-profile D-FLAT package with cathode band polarity marking and matte tin–annealed copper leadframe. Thermal performance depends on PCB layout: RθJA is 115 °C/W on 1"×1" 2 oz FR-4 or 92 °C/W on 0.4"×0.5" 2 oz FR-4, supporting reliable operation up to +150 °C junction temperature.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Pulse Power | 600 W - Sustains single 10/1000 µs transients without failure |
| Reverse Standoff Voltage (VRWM) | 7.0 V - Maximum continuous DC voltage before leakage rises significantly |
| Breakdown Voltage (VBR) | 7.78–8.95 V @ 10 mA - Confirmed avalanche conduction onset range for design margining |
| Clamping Voltage (VC) | 12.0 V @ 50 A - Limits voltage seen by downstream circuit during worst-case surge |
| Peak Pulse Current (IPP) | 50.0 A - Maximum non-repetitive surge current the device can safely divert |
| Reverse Leakage (IR) | 200 µA @ 7.0 V - Low standby power loss and minimal impact on high-impedance nodes |
| Operating Temperature | −55 to +150 °C - Validated for under-hood automotive and industrial ambient environments |
Pinout & Package
Package: D-FLAT - Low-profile surface-mount package (4.65 mm × 2.80 mm × 1.10 mm max), UL 94V-0 rated molded plastic case, cathode band polarity indicator, 0.035 g weight.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Cathode) | Anode-side reference terminal for unidirectional clamping | Connected to protected line; conducts when line voltage exceeds VRWM + Vf |
| 2 (Anode) | Ground return path for surge current | Must be routed to low-inductance ground plane to minimize clamping overshoot |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated die construction | Ensures stable VBR tolerance and long-term reliability under thermal cycling |
| 600 W peak pulse power rating | Supports robust protection against IEC 61000-4-5 Level 4 (4 kV/2 Ω) surges |
| D-FLAT low-profile package | Reduces board footprint by >40% vs. SMA while maintaining thermal performance |
| RoHS-compliant & halogen-free | Fulfills IPC-1752A environmental compliance for global industrial shipments |
| Fast response time | Sub-nanosecond turn-on enables protection of high-speed interfaces (e.g., CAN, RS-485) |
Applications
| Automotive Body Control Module (BCM) | Industrial PLC Digital Input Card |
|---|---|
Use Scenario: Protects 5 V/12 V sensor supply rails from load dump and alternator ripple transients. IC Role / Device Role: Unidirectional TVS placed between power rail and ground, upstream of LDO regulators. Use Value: Clamps 12 V rail to ≤12.0 V during 50 A surge, preventing regulator overvoltage shutdown and MCU brownout. | Use Scenario: Shields 24 V digital input optocoupler front-end from field-wiring induced surges. IC Role / Device Role: Primary surge clamp on dry-contact input line before series current-limiting resistor. Use Value: Limits transient voltage to <12.0 V at 50 A, ensuring optocoupler LED remains within safe forward voltage window. |
| USB-C Power Delivery Port | Smart Meter Communication Interface |
Use Scenario: Guards VBUS line against hot-plug ESD and cable discharge events. IC Role / Device Role: Secondary-level TVS after primary common-mode choke, directly on VBUS trace. Use Value: Responds in <1 ns to ±15 kV contact ESD (IEC 61000-4-2), limiting VBUS overshoot to <12.0 V. | Use Scenario: Protects RS-485 transceiver pins from induced surges on utility grid-connected metering lines. IC Role / Device Role: Line-to-ground TVS on A/B differential pair, mounted adjacent to connector. Use Value: Clamps 10/1000 µs surges to ≤12.0 V, preserving transceiver common-mode range and preventing latch-up. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar unidirectional TVS protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ7.0A-Q | Same 7.0 V VRWM, but SMA package (higher RθJA = 140 °C/W); 400 W rating | Larger footprint; less suitable for dense automotive modules | Select when legacy SMA layout exists and 400 W surge margin suffices |
| 1.5SMC7.0A | Higher 1500 W rating, DO-214AB package, VC = 12.5 V @ 120 A | Overkill for 600 W needs; requires larger board area and higher cost | Choose only if system-level testing demands >1 kA surge capability |
Compared with SMAJ7.0A-Q and 1.5SMC7.0A, P6SMAJ7.0ADF-13 delivers optimal balance of 600 W surge handling, D-FLAT space efficiency, and 12.0 V clamping-making it ideal for next-gen compact industrial and automotive ECUs where thermal and layout constraints dominate.
Availability
P6SMAJ7.0ADF-13 is available at Aetrix Electronics and suitable for automotive body control modules, industrial PLC input cards, USB-C power delivery ports, and smart meter communication interfaces requiring stable component supply across extended temperature ranges and high-reliability production cycles.
Supply support for P6SMAJ7.0ADF-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 suppressor product line, engineered specifically for high-power, low-profile surge protection in space-constrained automotive and industrial applications where thermal efficiency and RoHS/green compliance are mandatory.
FAQ
What is the maximum clamping voltage of P6SMAJ7.0ADF-13 under surge conditions?
The maximum clamping voltage (VC) is 12.0 V at 50.0 A peak pulse current, measured per the 10 × 1000 µs waveform defined in REA standards. This value is guaranteed across the full operating temperature range (−55 °C to +150 °C) and represents the upper limit of voltage imposed on protected circuitry during worst-case transient events.
Can P6SMAJ7.0ADF-13 be used for bidirectional surge protection?
No. P6SMAJ7.0ADF-13 is a unidirectional TVS diode, configured with cathode and anode terminals for DC rail protection only. For AC or bidirectional signal line protection (e.g., RS-485, CAN), a bidirectional variant such as P6SMBJ7.0ADF-13 must be selected, which provides symmetrical clamping above and below ground.
What PCB layout practices maximize thermal performance?
To achieve the published RθJA of 92 °C/W, use a 0.4" × 0.5" 2 oz copper pad per the datasheet's recommended footprint. Connect the anode pad directly to a solid internal ground plane via ≥4 thermal vias (0.3 mm diameter, spaced ≤1 mm apart), and avoid routing high-current traces near the device to prevent localized heating.
Is P6SMAJ7.0ADF-13 compliant with AEC-Q200 for automotive use?
No. While P6SMAJ7.0ADF-13 operates from −55 °C to +150 °C and meets RoHS/halogen-free requirements, it is not AEC-Q200 qualified. For automotive-grade qualification, Diodes offers the automotive-specified P6SMAJ7.0AF-13 variant, which undergoes additional stress testing including temperature cycling and humidity bias HAST.
P6SMAJ7.0ADF-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):
- 7V
- Voltage - Breakdown (Min):
- 7.78V
- Voltage - Clamping (Max) @ Ipp:
- 12V
- Current - Peak Pulse (10/1000µs):
- 50A
- 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
P6SMAJ7.0ADF-13 FAQ
1.How can I place an order for P6SMAJ7.0ADF-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMAJ7.0ADF-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 P6SMAJ7.0ADF-13 reliable?
The price and inventory of P6SMAJ7.0ADF-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMAJ7.0ADF-13 is usually 5 days.
3.What payment methods are accepted for P6SMAJ7.0ADF-13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMAJ7.0ADF-13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMAJ7.0ADF-13?
P6SMAJ7.0ADF-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMAJ7.0ADF-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 P6SMAJ7.0ADF-13?
For technical support, including P6SMAJ7.0ADF-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMAJ7.0ADF-13 requirements.
6.How does Aetrix verify that P6SMAJ7.0ADF-13 is sourced from the original manufacturer or authorized distributors?
All P6SMAJ7.0ADF-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 P6SMAJ7.0ADF-13 meets industry standards.
7.What is the process for return or replacement of P6SMAJ7.0ADF-13?
All P6SMAJ7.0ADF-13 units undergo pre-shipment inspection (PSI). If there is an issue with P6SMAJ7.0ADF-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 P6SMAJ7.0ADF-13 part is unused and in its original packaging.
Return procedure for P6SMAJ7.0ADF-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMAJ7.0ADF-13 Tags
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Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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