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Diodes Incorporated P4SMAJ8.0ADF-13
- Part No.:
- P4SMAJ8.0ADF-13
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- 2-SMD, Flat Leads
- Datasheet:
-
P4SMAJ8.0ADF-13.pdf
- Description:
- TVS DIODE 8VWM 13.6VC D-FLAT
- Quantity:
- Payment:
- Shipping:
Inventory:6,284
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Product details
Overview
P4SMAJ8.0ADF-13 from Diodes Incorporated is a 400W 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 8.0 V, clamping voltage of 13.6 V at 29.4 A peak pulse current, and IEC 61000-4-2 ESD rating of ±30 kV (air/contact). Used in industrial power supplies and automotive body electronics to protect downstream ICs from lightning-induced surges and ESD events.
For engineers reviewing the P4SMAJ8.0ADF-13 datasheet, P4SMAJ8.0ADF-13 pinout, P4SMAJ8.0ADF-13 application, or P4SMAJ8.0ADF-13 equivalent, key selection criteria include clamping voltage margin relative to protected IC's absolute maximum rating, thermal resistance under PCB layout constraints, peak pulse current capability for system-level surge compliance (IEC 61000-4-5), and D-FLAT package footprint compatibility with high-density layouts.
Technical Context
This unidirectional TVS diode operates in avalanche breakdown mode during transient events, providing low-impedance shunt path from anode to cathode when reverse voltage exceeds 8.0 V standoff level. Its glass-passivated junction ensures stable breakdown characteristics and long-term reliability under repetitive surge stress.
Designed for single-pulse 10×1000 µs waveform testing, it delivers 400 W peak pulse power at 25°C ambient, derating linearly above that temperature per Figure 1. Thermal resistance junction-to-terminal is 37°C/W on standard FR-4 (1"×1", 2 oz copper), enabling effective heat dissipation in compact board designs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Pulse Power | 400 W - Sustains single 10×1000 µs transients without failure under defined PCB thermal conditions. |
| Reverse Standoff Voltage (VRWM) | 8.0 V - Maximum continuous DC operating voltage before significant leakage; sets upper limit for protected circuit rail. |
| Clamping Voltage (VC) | 13.6 V @ 29.4 A - Voltage seen by downstream IC during worst-case surge; must stay below IC's absolute max rating. |
| Breakdown Voltage (VBR) | 8.89–9.83 V @ 1.0 mA - Confirmed avalanche onset range; ensures reliable triggering above VRWM with margin. |
| Max Reverse Leakage (IR) | 25 µA @ 8.0 V - Low leakage preserves efficiency in battery-powered or low-quiescent systems. |
| ESD Rating | ±30 kV (air/contact) per IEC 61000-4-2 - Validates robustness against human-body-model ESD events in end-user environments. |
Pinout & Package
Package: D-FLAT - Low-profile, surface-mount plastic package (2.25–2.95 mm width × 3.95–4.60 mm length × 0.90–1.10 mm height), UL 94V-0 rated, with matte tin–annealed copper leadframe and cathode band polarity indicator.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Cathode) | Transient Current Sink | Connected to protected line; conducts surge current to ground during overvoltage event. |
| 2 (Anode) | Reference / Ground Return | Typically tied to system ground; completes low-inductance return path for clamped current. |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated die construction | Ensures stable breakdown voltage and low parameter drift over temperature and lifetime. |
| D-FLAT low-profile package | Reduces board space by >40% vs. SMA; enables placement near connectors or ICs requiring localized protection. |
| 400 W peak pulse power rating | Meets Level 4 IEC 61000-4-5 surge immunity (4 kV line-to-ground) in typical layouts. |
| Halogen- and antimony-free "Green" design | Complies with EU RoHS 3 and JEDEC J-STD-020 moisture sensitivity Level 1 for reflow compatibility. |
Applications
| Industrial Power Input Protection | Automotive Body Control Module |
|---|---|
Use Scenario: 24 V DC input rail in programmable logic controllers exposed to load dump and ISO 7637-2 pulses. IC Role / Device Role: Primary clamping device placed upstream of DC-DC converter input. Use Value: Limits transient voltage to ≤13.6 V, preventing damage to 16 V-rated input capacitors and controller ICs. |
Use Scenario: LIN bus transceiver power supply in door module subjected to ESD and battery reversal transients. IC Role / Device Role: Unidirectional TVS on VCC rail adjacent to transceiver IC. Use Value: Clamps 30 kV ESD events within 1 ns, maintaining <1 µA leakage to avoid sleep-mode current violations. |
| USB Type-C Port Protection | Smart Meter Communication Interface |
Use Scenario: VBUS line protection in USB-C receptacle where hot-plug surges and contact ESD occur. IC Role / Device Role: Secondary overvoltage clamp after primary fuse and common-mode choke. Use Value: Withstands 10×1000 µs 1 A surge while adding only 0.035 g mass and no additional board area. |
Use Scenario: RS-485 transceiver power rail in utility meter exposed to induced surges on long outdoor wiring. IC Role / Device Role: Rail clamp between isolated DC-DC output and transceiver VDD pin. Use Value: Delivers 29.4 A peak pulse current handling with 37°C/W RθJT, minimizing local heating near isolation barrier. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar unidirectional TVS diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ8.0A-13-F | Same 8.0 V VRWM, but 600 W peak power and SMB package (larger footprint, higher RθJA = 125°C/W). | Better surge handling but requires more board space; less suitable for ultra-dense layouts. | Select when higher single-pulse energy tolerance is required and PCB area permits SMB footprint. |
| 1.5SMC8.0A | Same 8.0 V VRWM, 1500 W peak power, DO-214AB package, higher VF (4.5 V) and larger size. | Used in legacy industrial designs with through-hole or large SMT footprints; not D-FLAT compatible. | Choose only for backward compatibility with existing DO-214AB land patterns or extreme surge requirements. |
Compared with SMBJ8.0A-13-F and 1.5SMC8.0A, P4SMAJ8.0ADF-13 offers optimal balance of compact D-FLAT packaging, 400 W surge capability, and low thermal resistance-making it preferred for space-constrained, thermally sensitive applications like automotive ECUs and portable instrumentation.
Availability
P4SMAJ8.0ADF-13 is available at Aetrix Electronics and suitable for industrial power input protection, automotive body control modules, USB Type-C port hardening, and smart meter communication interfaces requiring stable component supply and full traceability.
Supply support for P4SMAJ8.0ADF-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 and manufacturing operations across Asia and the Americas.
P4SMAJ8.0ADF-13 belongs to the P4SMAJ series of surface-mount TVS diodes engineered specifically for high-reliability transient suppression in automotive, industrial, and consumer power systems where board space and thermal performance are critical.
FAQ
What is the maximum operating temperature for P4SMAJ8.0ADF-13?
The device supports continuous operation from –55°C to +150°C junction temperature. At ambient temperatures above +25°C, peak pulse power must be derated per Figure 1 in the datasheet-e.g., to ~280 W at +75°C ambient on a standard FR-4 board with 1"×1" copper pad.
Can P4SMAJ8.0ADF-13 be used in bidirectional configurations?
No-it is a unidirectional TVS diode with cathode-anode polarity. For bidirectional protection, two devices must be connected in series opposing configuration, or a dedicated bidirectional part such as P4SMAJ8.0CA-13 must be selected.
How does the D-FLAT package affect solder reflow profile?
The D-FLAT package is qualified to JEDEC J-STD-020 Level 1 moisture sensitivity and supports standard lead-free reflow profiles (peak 260°C, 60–90 sec above 217°C). Its low mass (0.035 g) and copper leadframe ensure uniform heating and minimal tombstoning risk.
Is P4SMAJ8.0ADF-13 compliant with AEC-Q200?
No-this part is not AEC-Q200 qualified. For automotive-grade TVS diodes with AEC-Q200 qualification, consider Diodes Incorporated's AEC-Q200–qualified SMAJ series (e.g., SMAJ8.0A-Q), which undergo extended temperature cycling and vibration testing.
P4SMAJ8.0ADF-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):
- 8V
- Voltage - Breakdown (Min):
- 8.89V
- Voltage - Clamping (Max) @ Ipp:
- 13.6V
- Current - Peak Pulse (10/1000µs):
- 29.4A
- Power - Peak Pulse:
- 400W
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- D-Flat
P4SMAJ8.0ADF-13 FAQ
1.How can I place an order for P4SMAJ8.0ADF-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for P4SMAJ8.0ADF-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 P4SMAJ8.0ADF-13 reliable?
The price and inventory of P4SMAJ8.0ADF-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P4SMAJ8.0ADF-13 is usually 5 days.
3.What payment methods are accepted for P4SMAJ8.0ADF-13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P4SMAJ8.0ADF-13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P4SMAJ8.0ADF-13?
P4SMAJ8.0ADF-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P4SMAJ8.0ADF-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 P4SMAJ8.0ADF-13?
For technical support, including P4SMAJ8.0ADF-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P4SMAJ8.0ADF-13 requirements.
6.How does Aetrix verify that P4SMAJ8.0ADF-13 is sourced from the original manufacturer or authorized distributors?
All P4SMAJ8.0ADF-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 P4SMAJ8.0ADF-13 meets industry standards.
7.What is the process for return or replacement of P4SMAJ8.0ADF-13?
All P4SMAJ8.0ADF-13 units undergo pre-shipment inspection (PSI). If there is an issue with P4SMAJ8.0ADF-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 P4SMAJ8.0ADF-13 part is unused and in its original packaging.
Return procedure for P4SMAJ8.0ADF-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P4SMAJ8.0ADF-13 Tags
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