Diodes Incorporated P6SMAJ14ADF-13
- Part No.:
- P6SMAJ14ADF-13
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- 2-SMD, Flat Leads
- Datasheet:
-
P6SMAJ14ADF-13.pdf
- Description:
- TVS DIODE 14VWM 23.2VC D-FLAT
- Quantity:
- Payment:

- Shipping:

Inventory:10,000
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Product details
Overview
P6SMAJ14ADF-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 14 V, breakdown voltage range of 15.6–17.9 V at 1.0 mA test current, clamping voltage of 23.2 V at 25.8 A peak pulse current, and D-FLAT package for space-constrained PCB layouts-used in industrial power supply input stages.
For engineers reviewing the P6SMAJ14ADF-13 datasheet, P6SMAJ14ADF-13 pinout, P6SMAJ14ADF-13 application, or P6SMAJ14ADF-13 equivalent, key selection criteria include clamping voltage margin vs. protected IC's absolute maximum rating, peak pulse current capability under IEC 61000-4-5 surge conditions, thermal resistance to PCB copper pad area, and RoHS-compliant matte tin terminal finish compatibility with lead-free reflow profiles.
Technical Context
This unidirectional TVS diode operates as a clamping device that remains high-impedance below 14 V VRWM and avalanches sharply above its 15.6–17.9 V breakdown threshold to limit transient energy. Its glass-passivated junction ensures stable leakage (<1 µA at 14 V) and repeatable clamping performance across temperature.
The device delivers 600 W peak pulse power (10/1000 µs waveform), supports 60 A non-repetitive forward surge current (8.3 ms half-sine), and exhibits 64 °C/W typical junction-to-terminal thermal resistance when mounted on a 1" × 1", 2 oz copper pad-enabling reliable dissipation during transient events without thermal runaway.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Pulse Power | 600 W (per 10/1000 µs waveform; defines maximum transient energy absorption) |
| Reverse Standoff Voltage | 14 V (maximum continuous DC operating voltage before significant leakage) |
| Breakdown Voltage | 15.6–17.9 V @ 1.0 mA (avalanche initiation range; determines turn-on precision) |
| Clamping Voltage | 23.2 V @ 25.8 A IPP (voltage seen by protected circuit during worst-case surge) |
| Package | D-FLAT (low-profile 2-pin SMD; 4.65 mm × 2.80 mm footprint; 1.10 mm max height) |
| Thermal Resistance | 64 °C/W (junction-to-terminal; requires ≥1"×1", 2 oz copper pad for full power rating) |
| RoHS Compliance | Lead-free, halogen- and antimony-free "Green" device (≤900 ppm Br/Cl, ≤1000 ppm Sb) |
Pinout & Package
Package: D-FLAT - molded plastic case, UL 94V-0 rated, cathode band polarity indicator, matte tin annealed terminals, 0.035 g weight.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Cathode) | Anode-side connection point for transient current path | Connected to protected line; carries full surge current during clamping |
| 2 (Anode) | Reference/ground return path | Connected to system ground or low-impedance return plane; completes clamping loop |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated die construction | Ensures stable breakdown voltage and low leakage drift over time and temperature |
| Low-profile D-FLAT package | Reduces board area by >40% vs. SMA; enables dense layout in space-constrained power modules |
| 600 W peak pulse rating | Withstands IEC 61000-4-5 Level 4 (4 kV/2 Ω) surges on 12–24 V DC rails |
| Fast response time (<1 ns) | Clamps transients before downstream ICs experience overstress (e.g., MCU I/O, PMIC inputs) |
| Matte tin annealed terminals | Guarantees solderability per MIL-STD-202 Method 208; compatible with Pb-free reflow (260 °C peak) |
Applications
| Industrial PLC I/O Protection | Automotive Body Control Module |
|---|---|
Use Scenario: Protecting 24 V digital input channels in programmable logic controllers against induced lightning surges and inductive kickback from solenoid loads. IC Role / Device Role / Timing Role: Unidirectional clamping TVS placed between field input and optocoupler input stage. Use Value: Limits voltage to ≤23.2 V during 1 kA surge, preventing optocoupler LED overstress and ensuring signal integrity across 10+ year field life. | Use Scenario: Safeguarding LIN bus transceiver power pins and wake-up inputs against load dump and jump-start transients in vehicle body electronics. IC Role / Device Role / Timing Role: Primary overvoltage clamp on 12 V supply rail feeding LIN transceivers and microcontrollers. Use Value: Clamps 100 V/100 ms load dump to <25 V within nanoseconds, avoiding brownout reset and preserving firmware state. |
| Telecom Power Supply Input | Medical Equipment DC Rail Protection |
Use Scenario: Secondary-side transient suppression on +48 V telecom rectifier outputs feeding PoE injectors and baseband processors. IC Role / Device Role / Timing Role: Final-stage TVS on distributed power bus before DC-DC converters. Use Value: Absorbs 600 W surges without degradation, maintaining ±5% output regulation during repeated 10/1000 µs transients. | Use Scenario: Overvoltage protection on isolated 5 V/3.3 V rails powering patient-monitoring sensor front-ends and ADC reference circuits. IC Role / Device Role / Timing Role: Low-leakage (≤1 µA) clamping device placed adjacent to analog signal chain ICs. Use Value: Prevents latch-up in precision op-amps and SAR ADCs while adding <0.5 pF parasitic capacitance-no signal distortion. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar unidirectional TVS diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ14A-Q | Same 14 V VRWM, but SMA package (higher RθJA = 125 °C/W); 1.5 kW peak power rating | Requires larger PCB pad area; better suited for lower-density boards with thermal relief constraints | Select when higher peak power margin is needed and board space allows SMA footprint |
| 1.5SMC14A | Same electrical specs, but SMC package (7.1 mm × 6.2 mm); 1500 W peak power; higher VF (4.5 V) | Larger size increases layout cost; higher forward voltage reduces clamping margin for low-voltage ICs | Choose only if legacy SMC footprint compatibility is mandatory and thermal design accommodates larger case |
Compared with SMAJ14A-Q and 1.5SMC14A, P6SMAJ14ADF-13 offers superior board-space efficiency and lower thermal resistance in the D-FLAT package-critical for compact 24 V industrial modules where 600 W clamping must be delivered within tight height and thermal budgets.
Availability
P6SMAJ14ADF-13 is available at Aetrix Electronics and suitable for industrial PLC I/O protection, automotive body control module power rails, and telecom power supply inputs requiring stable component supply, consistent parametric performance, and long-term lifecycle support.
Supply support for P6SMAJ14ADF-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, specializing in high-reliability protection, power management, and signal integrity solutions for industrial, automotive, and computing markets.
The P6SMAJ series belongs to Diodes' transient voltage suppressor product line, engineered specifically for robust, low-profile surge protection in space-constrained DC power and interface circuits-emphasizing stable clamping, low leakage, and RoHS-compliant manufacturing.
FAQ
What is the maximum clamping voltage of P6SMAJ14ADF-13 under standard test conditions?
The maximum clamping voltage is 23.2 V, measured at 25.8 A peak pulse current using the 10/1000 µs double-exponential waveform per IEC 61000-4-5. This value is guaranteed across the full operating temperature range (−55 °C to +150 °C) and represents the highest voltage imposed on the protected circuit during worst-case surge events.
Does P6SMAJ14ADF-13 support lead-free reflow soldering processes?
Yes. The device features matte tin annealed terminals compliant with MIL-STD-202 Method 208 and qualified for Pb-free reflow profiles up to 260 °C peak temperature. Its D-FLAT package withstands standard JEDEC J-STD-020 moisture sensitivity level 1 handling without pre-bake requirements.
How does the D-FLAT package affect thermal performance compared to SMA or SMC alternatives?
The D-FLAT package achieves 64 °C/W junction-to-terminal thermal resistance when mounted on a 1" × 1", 2 oz copper pad-significantly lower than SMA (125 °C/W) or SMC (100 °C/W). This enables full 600 W pulse power derating at higher ambient temperatures and reduces localized PCB heating during repetitive surge events.
Can P6SMAJ14ADF-13 be used in bidirectional signal line protection?
No. P6SMAJ14ADF-13 is a unidirectional TVS diode with cathode-anode polarity. For bidirectional protection (e.g., RS-485, USB, CAN), a symmetric device such as P6SMBJ14CA or SMBJ14CA is required. Using this part on AC-coupled or differential lines risks permanent conduction and failure.
P6SMAJ14ADF-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):
- 14V
- Voltage - Breakdown (Min):
- 15.6V
- Voltage - Clamping (Max) @ Ipp:
- 23.2V
- Current - Peak Pulse (10/1000µs):
- 25.8A
- 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
P6SMAJ14ADF-13 FAQ
1.How can I place an order for P6SMAJ14ADF-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for P6SMAJ14ADF-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 P6SMAJ14ADF-13 reliable?
The price and inventory of P6SMAJ14ADF-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P6SMAJ14ADF-13 is usually 5 days.
3.What payment methods are accepted for P6SMAJ14ADF-13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P6SMAJ14ADF-13 transactions.
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4.How is shipping managed for P6SMAJ14ADF-13?
P6SMAJ14ADF-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P6SMAJ14ADF-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 P6SMAJ14ADF-13?
For technical support, including P6SMAJ14ADF-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P6SMAJ14ADF-13 requirements.
6.How does Aetrix verify that P6SMAJ14ADF-13 is sourced from the original manufacturer or authorized distributors?
All P6SMAJ14ADF-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 P6SMAJ14ADF-13 meets industry standards.
7.What is the process for return or replacement of P6SMAJ14ADF-13?
All P6SMAJ14ADF-13 units undergo pre-shipment inspection (PSI). If there is an issue with P6SMAJ14ADF-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 P6SMAJ14ADF-13 part is unused and in its original packaging.
Return procedure for P6SMAJ14ADF-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P6SMAJ14ADF-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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