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Diodes Incorporated P4SMAJ10ADF-13
- Part No.:
- P4SMAJ10ADF-13
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- 2-SMD, Flat Leads
- Datasheet:
-
P4SMAJ10ADF-13.pdf
- Description:
- TVS DIODE 10VWM 17VC D-FLAT
- Quantity:
- Payment:
- Shipping:
Inventory:882
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Product details
Overview
P4SMAJ10ADF-13 from Diodes Incorporated is a 400W surface-mount transient voltage suppressor (TVS) diode in D-FLAT package, designed for unidirectional overvoltage protection of DC power lines and signal interfaces. It features a 10V reverse standoff voltage (VRWM), 11.1–12.3V breakdown voltage (VBR), 17.0V clamping voltage (VC) at 23.5A peak pulse current (IPP), and meets IEC 61000-4-2 ESD immunity (±30kV air/contact). Used in industrial power supplies and automotive body control modules to safeguard microcontrollers and communication ICs.
For engineers reviewing the P4SMAJ10ADF-13 datasheet, P4SMAJ10ADF-13 pinout, P4SMAJ10ADF-13 application, or P4SMAJ10ADF-13 equivalent, key selection criteria include clamping voltage margin relative to protected IC VDD, thermal resistance under PCB layout constraints, peak pulse power derating above +25°C, and compliance with IEC 61000-4-2 Level 4 ESD requirements.
Technical Context
This unidirectional TVS diode operates as a fast-acting shunt clamp during transient events, conducting when reverse voltage exceeds VRWM = 10V and clamping to ≤17.0V at IPP = 23.5A (10/1000µs waveform). Its glass-passivated junction ensures stable breakdown characteristics and low leakage (<1.0µA at VRWM).
Thermal performance depends on PCB copper pad area: RθJA = 114°C/W on 1"×1" FR-4 (2oz), dropping to 88°C/W on smaller 0.4"×0.5" pads. The D-FLAT package enables low-profile mounting while maintaining 400W non-repetitive peak pulse power capability.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Peak Pulse Power | 400W (non-repetitive, 10×1000µs waveform; defines maximum surge energy absorption) |
| Reverse Standoff Voltage | 10V (maximum continuous DC or RMS voltage before clamping begins) |
| Breakdown Voltage | 11.1–12.3V @ 1.0mA (guaranteed conduction onset range; ensures reliable triggering) |
| Clamping Voltage | 17.0V @ 23.5A (voltage seen by protected circuit during worst-case surge; must be below IC absolute max rating) |
| ESD Rating | ±30kV air, ±30kV contact (IEC 61000-4-2 Level 4; qualifies for harsh industrial environments) |
| Thermal Resistance | 37°C/W (junction-to-terminal; critical for sustained surge handling with localized heatsinking) |
| Capacitance | Typical 100pF @ 0V, 1MHz (low enough for USB 2.0 and RS-485 data line protection without signal distortion) |
Pinout & Package
Package: D-FLAT (low-profile surface-mount, 2-terminal, cathode-banded polarity indicator; dimensions: 4.65mm × 2.80mm × 1.10mm max height).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Cathode) | Anode of internal PN junction (connected to protected line) | Connected to the line requiring protection (e.g., 12V rail); reverse-biased during normal operation |
| 2 (Anode) | Cathode of internal PN junction (connected to ground or reference) | Must be tied to low-impedance ground plane to ensure effective clamping; routing inductance directly impacts VC |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated die construction | Ensures long-term stability of breakdown voltage and leakage current across temperature and humidity stress |
| Low-profile D-FLAT package | Reduces board space by >30% vs. SMA; enables high-density layouts in compact power modules and ECUs |
| Lead-free, halogen-free, RoHS 3 compliant | Meets IPC-J-STD-020 moisture sensitivity Level 1 and automotive AEC-Q200 environmental requirements |
| 40A peak forward surge current | Supports robust handling of repetitive load dump transients in 12V automotive systems (ISO 7637-2 Pulse 5a) |
Applications
| Industrial PLC I/O Protection | Automotive Body Control Module |
|---|---|
Use Scenario: Protecting 24V digital input channels against induced surges from relay coil flyback and nearby motor switching. IC Role / Device Role: Unidirectional shunt clamp placed between field input and optocoupler input stage. Use Value: Clamps transients to ≤17.0V, keeping optocoupler LED forward voltage within safe operating range and preventing false triggering. |
Use Scenario: Safeguarding LIN bus transceiver power pins against battery load dump and jump-start spikes. IC Role / Device Role: Primary overvoltage clamp on VCC supply rail upstream of the LIN transceiver IC. Use Value: Limits rail voltage excursion to 17.0V during 400W surges, avoiding transceiver latch-up or permanent damage. |
| USB-C Power Delivery Port | Smart Meter Communication Interface |
Use Scenario: ESD protection on VBUS line of USB-C receptacles exposed to frequent hot-plug events. IC Role / Device Role: First-line defense against ±30kV contact ESD per IEC 61000-4-2, placed adjacent to connector. Use Value: Low 100pF capacitance prevents USB 2.0 signal integrity degradation while delivering full Level 4 ESD immunity. |
Use Scenario: Transient suppression on RS-485 differential pair termination resistors in utility smart meters deployed in lightning-prone areas. IC Role / Device Role: Common-mode clamp across A/B lines referenced to local ground, absorbing induced surges. Use Value: 400W peak power rating withstands multiple 10/1000µs surges without degradation, ensuring 15+ year field reliability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar TVS diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SMBJ10A (Bourns) | Same VRWM (10V), higher VC = 17.5V @ 23.1A; SMB package (larger footprint, higher RθJA = 140°C/W) | Less suitable for ultra-thin designs; requires larger PCB pad for thermal management | Select when existing SMB footprint is fixed and higher clamping margin is acceptable |
| 1.5SMC10A (ON Semiconductor) | Same VRWM (10V), identical VC = 17.0V @ 23.5A; SMC package (3.9mm × 2.5mm, taller than D-FLAT) | Higher profile limits use in height-constrained modules like portable meters | Choose only if SMC is already standardized in production and board height is not constrained |
Compared with SMBJ10A and 1.5SMC10A, P4SMAJ10ADF-13 offers the lowest profile (1.1mm max height) and best thermal resistance (RθJT = 37°C/W), making it optimal for space- and thermally constrained industrial and automotive PCBs where minimal board real estate and efficient surge heat dissipation are critical.
Availability
P4SMAJ10ADF-13 is available at Aetrix Electronics and suitable for industrial PLC I/O modules, automotive body control units, USB-C power delivery ports, and smart meter communication interfaces requiring stable component supply and long-term lifecycle support.
Supply support for P4SMAJ10ADF-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 P4SMAJ series belongs to Diodes' transient voltage suppressor portfolio, engineered specifically for high-power, low-profile surge protection in space-constrained applications where traditional SMA/SMB packages cannot meet mechanical or thermal requirements.
FAQ
What is the maximum operating temperature for P4SMAJ10ADF-13?
The device supports continuous operation from –55°C to +150°C junction temperature. Derating of peak pulse power begins above +25°C ambient, with 50% power capability retained at +75°C ambient when mounted on a 1"×1" FR-4 board with 2oz copper.
Does P4SMAJ10ADF-13 meet AEC-Q200 qualification?
No - P4SMAJ10ADF-13 is not AEC-Q200 qualified. It is rated for industrial-grade operation (–55°C to +150°C) and complies with IEC 61000-4-2 ESD, but automotive-qualified equivalents require explicit AEC-Q200 test reports and part numbering (e.g., P4SMAJ10ADFQ-13).
How does the D-FLAT package affect PCB layout for optimal clamping performance?
Minimize trace length between cathode and protected node, and between anode and solid ground plane. Use ≥0.2"×0.25" copper pads per terminal (per datasheet Note 8) to achieve RθJA = 88°C/W; avoid thermal relief spokes that increase junction temperature during surge events.
Can P4SMAJ10ADF-13 be used for bidirectional transient suppression?
No - it is a unidirectional TVS diode. For bidirectional protection (e.g., AC lines or differential data), a symmetric device such as P4SMAJ10CA-13 (center-tapped, bidirectional) or two series-opposed unidirectional devices would be required.
P4SMAJ10ADF-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):
- 10V
- Voltage - Breakdown (Min):
- 11.1V
- Voltage - Clamping (Max) @ Ipp:
- 17V
- Current - Peak Pulse (10/1000µs):
- 23.5A
- Power - Peak Pulse:
- 400W
- 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
P4SMAJ10ADF-13 FAQ
1.How can I place an order for P4SMAJ10ADF-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for P4SMAJ10ADF-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 P4SMAJ10ADF-13 reliable?
The price and inventory of P4SMAJ10ADF-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for P4SMAJ10ADF-13 is usually 5 days.
3.What payment methods are accepted for P4SMAJ10ADF-13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for P4SMAJ10ADF-13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for P4SMAJ10ADF-13?
P4SMAJ10ADF-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your P4SMAJ10ADF-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 P4SMAJ10ADF-13?
For technical support, including P4SMAJ10ADF-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your P4SMAJ10ADF-13 requirements.
6.How does Aetrix verify that P4SMAJ10ADF-13 is sourced from the original manufacturer or authorized distributors?
All P4SMAJ10ADF-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 P4SMAJ10ADF-13 meets industry standards.
7.What is the process for return or replacement of P4SMAJ10ADF-13?
All P4SMAJ10ADF-13 units undergo pre-shipment inspection (PSI). If there is an issue with P4SMAJ10ADF-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 P4SMAJ10ADF-13 part is unused and in its original packaging.
Return procedure for P4SMAJ10ADF-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
P4SMAJ10ADF-13 Tags
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