Diodes Incorporated D13AP2WF-7
- Part No.:
- D13AP2WF-7
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- SOD-123F
- Datasheet:
-
D13AP2WF-7.pdf
- Description:
- SURGE PROTECTION PP SOD123F
- Quantity:
- Payment:

- Shipping:

Inventory:8,690
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Product details
Overview
D13AP2WF-7 from Diodes Incorporated is a unidirectional surface-mount transient voltage suppressor (TVS) diode designed for clamping fast-rising ESD and surge transients in low-voltage DC power rails. It features a 13 V standoff voltage, 14.4 V minimum breakdown voltage at 1 mA, 21.5 V maximum clamping voltage at 10.5 A, and 225 W peak pulse power (10/1000 µs). It is deployed in battery contact protection and automotive power management circuits.
For engineers reviewing the D13AP2WF-7 datasheet, D13AP2WF-7 pinout, D13AP2WF-7 application, or D13AP2WF-7 equivalent, key selection criteria include clamping voltage margin relative to system rail, IEC 61000-4-2 ±30 kV ESD rating, SOD123F footprint compatibility, thermal resistance (RθJA = 330 °C/W), and cathode-bar polarity marking.
Technical Context
This TVS operates as a unidirectional avalanche clamp, triggered when reverse voltage exceeds its 14.4 V (min) breakdown threshold. Its silicon junction design delivers sub-nanosecond response to transients and maintains stable clamping up to 10.5 A peak pulse current under standardized 10/1000 µs waveform conditions.
The device uses a planar junction structure in a molded SOD123F package with matte tin-plated copper alloy leads. Its RθJS of 70 °C/W enables effective heat transfer from junction to solder point, supporting reliable operation at ambient temperatures from –65 °C to +150 °C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Standoff Voltage (VRWM) | 13 V - Maximum continuous reverse operating voltage before leakage exceeds 1 µA |
| Breakdown Voltage (VBR) | 14.4 V (min) at 1 mA - Confirmed avalanche initiation threshold for overvoltage clamping |
| Clamping Voltage (VC) | 21.5 V (max) at 10.5 A - Peak voltage seen by protected circuit during worst-case 10/1000 µs surge |
| Peak Pulse Power | 225 W (10/1000 µs) - Sustained transient energy handling capability on FR-4 PCB |
| ESD Rating | ±30 kV (air/contact per IEC 61000-4-2) - Full-system level ESD immunity without external shielding |
| Thermal Resistance | RθJA = 330 °C/W - Junction-to-ambient dissipation limit under standard 1"×1" 2 oz Cu pad layout |
Pinout & Package
Package: SOD123F - Surface-mount plastic case, 3.5 mm × 1.9 mm × 1.0 mm body, cathode-bar marked, RoHS-compliant matte tin finish over copper alloy leadframe.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Transient return path | Connected to GND or low-impedance reference; completes clamping loop during surge event |
| Cathode | Protected line connection | Connected to power rail (e.g., battery+, 12 V bus); blocks normal operation, conducts during overvoltage |
Key Features
| Feature | Design Value |
|---|---|
| Unidirectional clamping architecture | Enables precise placement on positive-rail lines without reverse-bias leakage concerns |
| IEC 61000-4-2 ±30 kV ESD protection | Eliminates need for secondary ESD components in battery interface and connector zones |
| SOD123F footprint compatibility | Direct drop-in replacement for industry-standard 13 V TVS diodes in space-constrained layouts |
| Halogen- and antimony-free "Green" construction | Meets automotive OEM environmental compliance requirements (Br+Cl <1500 ppm, Sb <1000 ppm) |
Applications
| Battery Contact Protection | Automotive Power Rail |
|---|---|
Use Scenario: Protecting lithium-ion battery terminals against insertion/removal sparks and hot-swap transients. IC Role / Device Role / Timing Role: Unidirectional TVS diode placed between BAT+ and GND to clamp surges before reaching battery management IC. Use Value: Prevents permanent damage to battery protection MOSFETs and fuel gauges during repeated mechanical mating cycles. | Use Scenario: Safeguarding 12 V power distribution networks in infotainment head units and body control modules. IC Role / Device Role / Timing Role: Primary surge suppression element on main supply input, upstream of DC-DC converters. Use Value: Maintains system uptime during load-dump events (ISO 7637-2 Pulse 5a) by limiting clamped voltage to 21.5 V. |
| Power Management IC Interface | USB-C Port VBUS Line |
Use Scenario: Shielding PMIC enable inputs and feedback resistors from coupling-induced transients on adjacent traces. IC Role / Device Role / Timing Role: Localized low-capacitance TVS (12 pF typical at 0 V) placed directly at PMIC pin. Use Value: Preserves signal integrity on precision voltage sensing paths while meeting IEC 61000-4-5 Level 3 surge immunity. | Use Scenario: Protecting USB-C VBUS lines in portable docking stations during cable hot-plug events. IC Role / Device Role / Timing Role: Standoff-rated TVS on 5–20 V programmable power supply rail, referenced to chassis ground. Use Value: Withstands ±30 kV contact ESD without latch-up, enabling full USB-IF compliance without additional filtering. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar transient suppression applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMAJ13A | Same 13 V VRWM, but higher VC = 23.0 V at 10.5 A; SOD-123 package (not SOD123F) | Marginally lower clamping performance; slightly larger footprint may impact layout density | Select if legacy SOD-123 board space is fixed and 1.5 V higher clamping is acceptable |
| P6SMB13A | Higher PPK = 600 W, but larger DO-214AA package; VRWM = 13 V, VC = 21.5 V at 27.3 A | Requires PCB rework for footprint; suited for higher-energy surges beyond automotive battery contact scope | Choose only when system-level surge testing exceeds 225 W (e.g., ISO 16750-2 long-duration pulses) |
Compared with SMAJ13A and P6SMB13A, D13AP2WF-7 offers optimal balance of compact SOD123F size, tight 21.5 V clamping, and full ±30 kV ESD robustness-making it preferred for space-constrained battery and automotive power interfaces where thermal and layout constraints dominate.
Availability
D13AP2WF-7 is available at Aetrix Electronics and suitable for battery contact protection, automotive power rail hardening, and USB-C VBUS line safeguarding requiring stable component supply across production lifecycles.
Supply support for D13AP2WF-7 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.
D13AP2WF-7 belongs to Diodes' TVS Diode portfolio, engineered specifically for high-reliability transient suppression in automotive, industrial, and portable power systems where small size, high ESD immunity, and precise clamping are critical.
FAQ
What is the polarity configuration of D13AP2WF-7?
D13AP2WF-7 is a unidirectional TVS diode with cathode-bar marking. The cathode terminal connects to the protected power rail (e.g., BAT+), and the anode connects to ground. This configuration allows it to block normal forward bias while clamping reverse transients.
Can D13AP2WF-7 be used in bidirectional signal-line protection?
No. D13AP2WF-7 is unidirectional and unsuitable for AC or bidirectional data lines. Its asymmetrical IV curve provides no clamping in forward conduction mode. For bidirectional protection, use a dedicated bidirectional TVS such as D13AP2WQ-7 or SMBJ13CA.
What is the maximum steady-state power dissipation for D13AP2WF-7?
The DC steady-state power dissipation is rated at 1.0 W under standard mounting conditions (1" × 1", FR-4, 2 oz Cu). Derating begins above 25 °C ambient, reaching zero power at 150 °C per the published derating curve (Figure 5).
Does D13AP2WF-7 meet AEC-Q200 stress test requirements?
No. D13AP2WF-7 is not AEC-Q200 qualified. While widely used in automotive applications, it lacks formal qualification for temperature cycling, humidity bias, or mechanical shock per AEC-Q200 Rev D. For Q200-compliant alternatives, consider Diodes' AEC-Q200-qualified AP7xxx series.
D13AP2WF-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Package/Case:
- SOD-123F
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 13V
- Voltage - Breakdown (Min):
- 14.4V
- Voltage - Clamping (Max) @ Ipp:
- 21.5V
- Current - Peak Pulse (10/1000µs):
- 10.5A
- Power - Peak Pulse:
- 225W
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-123F
D13AP2WF-7 FAQ
1.How can I place an order for D13AP2WF-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for D13AP2WF-7 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 D13AP2WF-7 reliable?
The price and inventory of D13AP2WF-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for D13AP2WF-7 is usually 5 days.
3.What payment methods are accepted for D13AP2WF-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for D13AP2WF-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for D13AP2WF-7?
D13AP2WF-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your D13AP2WF-7 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 D13AP2WF-7?
For technical support, including D13AP2WF-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your D13AP2WF-7 requirements.
6.How does Aetrix verify that D13AP2WF-7 is sourced from the original manufacturer or authorized distributors?
All D13AP2WF-7 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 D13AP2WF-7 meets industry standards.
7.What is the process for return or replacement of D13AP2WF-7?
All D13AP2WF-7 units undergo pre-shipment inspection (PSI). If there is an issue with D13AP2WF-7, 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 D13AP2WF-7 part is unused and in its original packaging.
Return procedure for D13AP2WF-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
D13AP2WF-7 Tags

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Diodes Incorporated

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