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Diodes Incorporated P6SMAJ6.0ADF
- Part No.:
- P6SMAJ6.0ADF
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- 2-SMD, Flat Leads
- Datasheet:
-
P6SMAJ6.0ADF.pdf
- Description:
- TVS DIODE 6VWM 10.3VC D-FLAT
- Quantity:
- Payment:
- Shipping:
Inventory:5,770
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Product details
Overview
P6SMAJ6.0ADF 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 6.0 V, breakdown voltage range of 6.67–7.67 V at 10 mA, clamping voltage of 10.3 V at 58.3 A peak pulse current, and fast response time under 1 ns. It is used in automotive infotainment power inputs to suppress load dump and ISO 7637-2 transients.
For engineers reviewing the P6SMAJ6.0ADF datasheet, P6SMAJ6.0ADF pinout, P6SMAJ6.0ADF application, or P6SMAJ6.0ADF equivalent, this page delivers verified electrical parameters, D-FLAT package layout guidance, real-world clamping performance data, and direct alternatives with documented voltage and surge current differences.
Technical Context
This unidirectional TVS diode operates as a shunt-clamping device that remains high-impedance below VRWM (6.0 V) and rapidly avalanches above VBR (min 6.67 V) to limit transient energy. Its glass-passivated junction ensures stable leakage (<800 µA at VRWM) and repeatable breakdown behavior across temperature.
The device handles 600 W non-repetitive peak pulse power per 10/1000 µs waveform, with thermal resistance RθJA of 92 °C/W on a 0.4" × 0.5" FR-4 pad - enabling compact placement near IC power pins without external heatsinking in most industrial and automotive applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Pulse Power | 600 W - sustains single 10/1000 µs transients up to 58.3 A without failure |
| Reverse Standoff Voltage | 6.0 V - maximum continuous DC voltage before significant leakage begins |
| Breakdown Voltage | 6.67–7.67 V @ 10 mA - precise avalanche initiation window for predictable clamping onset |
| Clamping Voltage | 10.3 V @ 58.3 A - limits downstream circuit voltage during worst-case surge |
| Max Reverse Leakage | 800 µA @ 6.0 V - negligible standby current impact on low-power systems |
| Package | D-FLAT - 4.65 mm × 2.80 mm footprint with cathode band polarity marking |
| Operating Temp | −55 °C to +150 °C - qualified for under-hood automotive and industrial environments |
Pinout & Package
Package: D-FLAT surface-mount package with molded plastic case (UL 94V-0), matte tin–annealed copper leadframe, and cathode band polarity indicator. Dimensions: 4.65 mm × 2.80 mm × 1.10 mm (L × W × H).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Cathode) | Anode of internal PN junction | Connected to protected line; conducts during overvoltage to shunt current to ground |
| 2 (Anode) | Cathode of internal PN junction | Typically tied to system ground; completes clamping path during transient events |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated die | Ensures stable VBR tolerance and long-term reliability under humidity and thermal cycling |
| Low-profile D-FLAT package | Reduces board area by >40% vs. SMA while maintaining 600 W surge rating |
| Fast response time | <1 ns turn-on enables protection of high-speed logic and microcontroller I/O |
| RoHS & "Green" compliant | Meets EU RoHS 2 and halogen/antimony-free requirements (<900 ppm Br/Cl, <1000 ppm Sb) |
Applications
| Automotive Power Input Protection | Industrial PLC Digital I/O Protection |
|---|---|
|
Use Scenario: 12 V battery rail in head unit exposed to ISO 7637-2 pulse 1 (−150 V/50 ms) and pulse 3a (−100 V/150 ns). IC Role / Device Role / Timing Role: Unidirectional shunt clamp placed between VBAT and GND, triggered within 1 ns to limit voltage to ≤10.3 V. Use Value: Prevents latch-up or gate oxide damage in PMICs and CAN transceivers during cold-crank and load-dump events. |
Use Scenario: 24 V digital input module receiving signals from field sensors in factory automation. IC Role / Device Role / Timing Role: Clamps induced surges from relay coil flyback or ESD events on dry-contact inputs. Use Value: Maintains signal integrity and prevents false triggering in microcontroller GPIOs rated for 3.3 V or 5 V logic. |
| USB Type-C VBUS Line Protection | DC-DC Converter Input Stage |
|
Use Scenario: VBUS line (5–20 V) in USB PD sink design subjected to hot-plug overshoot and cable ESD. IC Role / Device Role / Timing Role: Fast-acting unidirectional clamp referenced to ground, placed upstream of buck controller. Use Value: Limits VBUS spikes to 10.3 V, protecting synchronous MOSFET drivers and feedback resistors from overvoltage stress. |
Use Scenario: 48 V input to isolated flyback converter in telecom power supply facing lightning-induced surges. IC Role / Device Role / Timing Role: Primary-side transient suppressor between bulk capacitor and primary FET gate driver. Use Value: Absorbs 600 W pulses without degradation, preserving startup sequencing and preventing driver IC latch-up. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar unidirectional TVS diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ6.0A | Same VRWM (6.0 V), higher clamping voltage (10.5 V), 600 W rating, SMB package (larger footprint) | Less board-space efficient; suitable where thermal mass improves surge handling | Select when existing PCB layout uses SMB pads or higher RθJA margin is needed |
| 1.5SMC6.0A | Same VRWM (6.0 V), identical clamping (10.3 V), but 1500 W rating and larger SMC package | Over-specified for 600 W needs; adds cost and volume without benefit in space-constrained designs | Choose only if legacy SMC footprint reuse or multi-pulse endurance beyond 600 W is required |
Compared with SMBJ6.0A and 1.5SMC6.0A, P6SMAJ6.0ADF delivers identical clamping performance in a 35% smaller D-FLAT footprint, enabling tighter routing near sensitive ICs while maintaining full 600 W surge capability and −55 °C to +150 °C operation.
Availability
P6SMAJ6.0ADF is available at Aetrix Electronics and suitable for automotive infotainment power inputs, industrial PLC digital I/O protection, and USB Type-C VBUS line protection requiring stable component supply and full RoHS/Green compliance.
Supply support for P6SMAJ6.0ADF 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 protection, power management, and signal integrity solutions for automotive, industrial, and consumer markets.
P6SMAJ6.0ADF belongs to the P6SMAJ series of 600 W surface-mount TVS diodes engineered specifically for space-constrained, high-surge environments where low-profile packaging and precise clamping are critical - such as ADAS camera modules and motor control drives.
FAQ
What is the maximum peak pulse current the P6SMAJ6.0ADF can handle?
The P6SMAJ6.0ADF supports a maximum peak pulse current (IPP) of 58.3 A under the standard 10/1000 µs waveform, as specified in the Electrical Characteristics table. This value corresponds directly to its 600 W peak pulse power rating at a clamping voltage of 10.3 V, and is validated per JEDEC test conditions with defined thermal mounting.
Is P6SMAJ6.0ADF bidirectional or unidirectional?
P6SMAJ6.0ADF is a unidirectional TVS diode, indicated by its single cathode band marking and schematic symbol showing anode and cathode terminals. It protects against positive transients on the cathode side relative to anode (ground), and does not conduct during negative excursions beyond its forward voltage (~3.5 V at 35 A).
Does this TVS diode require a heatsink in typical applications?
No heatsink is required. With RθJA = 92 °C/W on a 0.4" × 0.5" FR-4 pad and a steady-state power dissipation limit of 1.5 W at TL = +75°C, the device safely handles single-pulse transients without thermal runaway. Continuous power dissipation remains negligible due to its transient-only operation mode.
How does the D-FLAT package compare to SMA in layout and thermal performance?
The D-FLAT package measures 4.65 mm × 2.80 mm - ~30% smaller than SMA - and offers lower profile (1.10 mm max height). Thermally, its RθJA of 92 °C/W on a small pad matches SMA's performance on equivalent layouts, while its optimized copper pad interface improves transient heat spreading during short-duration surges.
P6SMAJ6.0ADF 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):
- 6V
- Voltage - Breakdown (Min):
- 6.67V
- Voltage - Clamping (Max) @ Ipp:
- 10.3V
- Current - Peak Pulse (10/1000µs):
- 58.3A
- 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
P6SMAJ6.0ADF FAQ
1.How can I place an order for P6SMAJ6.0ADF through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMAJ6.0ADF 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 P6SMAJ6.0ADF reliable?
The price and inventory of P6SMAJ6.0ADF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMAJ6.0ADF is usually 5 days.
3.What payment methods are accepted for P6SMAJ6.0ADF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMAJ6.0ADF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMAJ6.0ADF?
P6SMAJ6.0ADF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMAJ6.0ADF 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 P6SMAJ6.0ADF?
For technical support, including P6SMAJ6.0ADF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMAJ6.0ADF requirements.
6.How does Aetrix verify that P6SMAJ6.0ADF is sourced from the original manufacturer or authorized distributors?
All P6SMAJ6.0ADF 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 P6SMAJ6.0ADF meets industry standards.
7.What is the process for return or replacement of P6SMAJ6.0ADF?
All P6SMAJ6.0ADF units undergo pre-shipment inspection (PSI). If there is an issue with P6SMAJ6.0ADF, 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 P6SMAJ6.0ADF part is unused and in its original packaging.
Return procedure for P6SMAJ6.0ADF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMAJ6.0ADF Tags
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ESD9B5.0ST5G
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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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