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Diodes Incorporated P6SMAJ64ADF-13
- Part No.:
- P6SMAJ64ADF-13
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- 2-SMD, Flat Leads
- Datasheet:
-
P6SMAJ64ADF-13.pdf
- Description:
- TVS DIODE 64VWM 103VC D-FLAT
- Quantity:
- Payment:
- Shipping:
Inventory:9,801
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Product details
Overview
P6SMAJ64ADF-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 64.0 V, breakdown voltage range of 71.1–81.8 V at 1.0 mA test current, clamping voltage of 103.0 V at 5.8 A peak pulse current, and fast response time under 10 ns - deployed in industrial motor drives to protect gate drivers from inductive switching transients.
For engineers reviewing the P6SMAJ64ADF-13 datasheet, P6SMAJ64ADF-13 pinout, P6SMAJ64ADF-13 application, or P6SMAJ64ADF-13 equivalent, key selection criteria include clamping voltage margin relative to protected IC's absolute maximum rating, thermal resistance (RθJA = 92 °C/W on 0.4" × 0.5" PCB), peak pulse power capability (600 W), and D-FLAT package compatibility with high-density layouts.
Technical Context
This unidirectional TVS diode operates as a shunt-clamping device that remains non-conductive below VRWM (64.0 V) and enters avalanche breakdown above VBR (min 71.1 V) to divert surge energy. Its glass-passivated die construction ensures stable leakage (<1.0 µA at VRWM) and repeatable clamping performance across temperature (-55 to +150 °C).
The device uses a low-profile D-FLAT package with cathode band polarity marking and matte tin–annealed copper leadframe for reliable solderability. Thermal design relies on junction-to-terminal resistance of 57 °C/W (on optimized 0.4" × 0.5" pad), enabling effective dissipation of 600 W non-repetitive 10/1000 µs pulses without thermal runaway.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Pulse Power | 600 W - sustains single 10/1000 µs surges per REA standard without failure |
| Reverse Standoff Voltage (VRWM) | 64.0 V - maximum continuous DC voltage before leakage exceeds 1.0 µA |
| Breakdown Voltage (VBR) | 71.1–81.8 V @ 1.0 mA - defines onset of controlled avalanche conduction |
| Clamping Voltage (VC) | 103.0 V @ 5.8 A IPP - limits voltage seen by downstream circuit during surge |
| Junction-to-Ambient RθJA | 92 °C/W - measured on 0.4" × 0.5", 2 oz copper pad; determines thermal rise under pulse load |
| Package | D-FLAT - 4.65 mm × 2.80 mm footprint, 1.10 mm max height, optimized for space-constrained PCBs |
| Operating Temperature | -55 to +150 °C - supports deployment in automotive engine compartments and industrial enclosures |
Pinout & Package
The P6SMAJ64ADF-13 is housed in a surface-mount D-FLAT package with two terminals: Cathode (marked with band) and Anode. The package has no internal leads; terminals are formed from a single copper leadframe with matte tin annealing for solderability per MIL-STD-202.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Cathode (Band Marked) | Surge Current Sink | Connected to protected line; conducts avalanche current to ground during overvoltage event |
| Anode | Reference Node | Tied to system ground or lowest potential rail; completes clamping path during transient |
Key Features
| Feature | Design Value |
|---|---|
| 600 W Peak Pulse Rating | Enables robust protection against IEC 61000-4-5 Level 4 surges (4 kV/2 Ω) on 24–48 V industrial buses |
| Glass-Passivated Die | Ensures long-term stability of VBR and leakage under humidity and thermal cycling stress |
| Low Profile D-FLAT Package | Reduces board area by >35% vs. SMA; maintains thermal performance via exposed copper terminal |
| Fast Response Time (<10 ns) | Clamps transients before sensitive logic or analog circuits experience overstress |
| RoHS & Halogen-Free Compliance | Meets IPC-1752A material declarations; supports green manufacturing and end-of-life recycling |
Applications
| Industrial Motor Drives | Telecom Power Supplies |
|---|---|
Use Scenario: Protection of gate driver ICs and isolated feedback paths against inductive kickback from IGBT/MOSFET switching. IC Role / Device Role / Timing Role: Shunt clamping element placed between gate-source and ground, activated within nanoseconds of voltage excursion beyond 64 V. Use Value: Limits transient voltage to ≤103 V, preserving gate oxide integrity and preventing false turn-on of power switches. | Use Scenario: Input-stage surge suppression on -48 V DC telecom rectifier outputs exposed to lightning-induced surges. IC Role / Device Role / Timing Role: Primary overvoltage clamp on bulk supply rail upstream of DC/DC converters and monitoring circuits. Use Value: Absorbs 600 W pulses without degradation, maintaining system uptime during repeated 10/1000 µs events per ITU-T K.21. |
| Automotive Body Control Modules | Factory Automation I/O Modules |
Use Scenario: CAN transceiver power rail protection in BCMs subjected to load dump and jump-start transients. IC Role / Device Role / Timing Role: Unidirectional TVS placed between VCC and chassis ground, triggered only on positive overvoltage events. Use Value: Clamps 12 V system surges up to 35 V to <103 V, ensuring CAN PHY ICs remain within ABS MAX ratings. | Use Scenario: Digital input protection in PLC modules interfacing with 24 V sensors subject to field wiring ESD and inductive coupling. IC Role / Device Role / Timing Role: Front-end clamping device on discrete optocoupler inputs, limiting voltage to safe levels before signal conditioning. Use Value: Reduces failure rate of input buffers by suppressing 8 kV contact ESD per IEC 61000-4-2 with sub-10 ns response. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar unidirectional TVS diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ64A-Q | Same VRWM (64 V), but higher clamping voltage (107 V @ 5.6 A); RθJA = 115 °C/W (larger pad required) | Less margin for 65 V-rated loads; requires larger thermal pad for same pulse handling | Select when legacy SMA footprint is mandatory and 4 V higher VC is acceptable |
| 1.5SMC64A | Higher peak power (1500 W), larger SMC package (7.1 × 6.2 mm), VF = 3.5 V @ 35 A | Overkill for space-constrained designs; better suited for primary AC/DC input stages | Choose only when 1500 W surge rating is required and board area permits SMC footprint |
Compared with SMAJ64A-Q and 1.5SMC64A, P6SMAJ64ADF-13 delivers optimal balance of 600 W surge capability, compact D-FLAT footprint, and 92 °C/W thermal resistance - making it preferred for high-density industrial and automotive control boards where layout area and thermal efficiency are critical.
Availability
P6SMAJ64ADF-13 is available at Aetrix Electronics and suitable for industrial motor drives, telecom power supplies, automotive body control modules, and factory automation I/O modules requiring stable component supply and RoHS-compliant surge protection.
Supply support for P6SMAJ64ADF-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 and manufacturing operations across Asia and the Americas.
The P6SMAJ series belongs to Diodes' transient voltage suppressor product line, engineered specifically for high-reliability, surface-mount overvoltage protection in harsh industrial and automotive environments.
FAQ
What is the maximum clamping voltage of P6SMAJ64ADF-13 and under what test condition?
The maximum clamping voltage is 103.0 V, measured at a peak pulse current (IPP) of 5.8 A using the standardized 10/1000 µs double-exponential waveform per REA specifications. This value represents the upper limit of voltage imposed on protected circuitry during worst-case surge events, and is guaranteed across the full operating temperature range of –55 °C to +150 °C.
Can P6SMAJ64ADF-13 be used in bidirectional protection configurations?
No - P6SMAJ64ADF-13 is a unidirectional TVS diode with cathode-anode polarity and is not rated for reverse surge conduction. For bidirectional protection, Diodes Incorporated offers the P6SMBJ64CA series, which uses a center-tapped configuration to clamp both positive and negative transients symmetrically around ground.
What is the recommended PCB pad layout for optimal thermal performance?
For best thermal performance, use the 0.4" × 0.5" (10.2 mm × 12.7 mm), 2 oz copper pad specified in Note 8 of the datasheet. This layout achieves RθJA = 92 °C/W. Smaller pads increase thermal resistance significantly - e.g., the 1" × 1" pad yields RθJA = 115 °C/W - reducing safe pulse repetition rate and derating margin.
How does the D-FLAT package compare to SMA in terms of surge handling and board space?
The D-FLAT package measures 4.65 mm × 2.80 mm - 42% smaller in footprint than SMA (4.5 mm × 2.7 mm body, but 7.0 mm × 6.2 mm pad area). Despite its reduced size, it maintains 600 W peak pulse power via optimized copper leadframe thermal conduction, achieving lower RθJT (57 °C/W) than typical SMA packages (≈70 °C/W), enabling superior pulse-to-pulse recovery in high-duty-cycle applications.
P6SMAJ64ADF-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):
- 64V
- Voltage - Breakdown (Min):
- 71.1V
- Voltage - Clamping (Max) @ Ipp:
- 103V
- Current - Peak Pulse (10/1000µs):
- 5.8A
- 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
P6SMAJ64ADF-13 FAQ
1.How can I place an order for P6SMAJ64ADF-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMAJ64ADF-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 P6SMAJ64ADF-13 reliable?
The price and inventory of P6SMAJ64ADF-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMAJ64ADF-13 is usually 5 days.
3.What payment methods are accepted for P6SMAJ64ADF-13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMAJ64ADF-13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P6SMAJ64ADF-13?
P6SMAJ64ADF-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMAJ64ADF-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 P6SMAJ64ADF-13?
For technical support, including P6SMAJ64ADF-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMAJ64ADF-13 requirements.
6.How does Aetrix verify that P6SMAJ64ADF-13 is sourced from the original manufacturer or authorized distributors?
All P6SMAJ64ADF-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 P6SMAJ64ADF-13 meets industry standards.
7.What is the process for return or replacement of P6SMAJ64ADF-13?
All P6SMAJ64ADF-13 units undergo pre-shipment inspection (PSI). If there is an issue with P6SMAJ64ADF-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 P6SMAJ64ADF-13 part is unused and in its original packaging.
Return procedure for P6SMAJ64ADF-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMAJ64ADF-13 Tags
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