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Alpha & Omega Semiconductor Inc. AOZ8131DI-05L
- Part No.:
- AOZ8131DI-05L
- Manufacturer:
- Alpha & Omega Semiconductor Inc.
- Category:
- TVS Diodes
- Package:
- 2-UDFN
- Datasheet:
-
AOZ8131DI-05L.pdf
- Description:
- TVS DIODE 5VWM 22VC 2DFN
- Quantity:
- Payment:
- Shipping:
Inventory:61,967
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Product details
Overview
AoZ8131DI-05L from Alpha & Omega Semiconductor is a 5.0V unidirectional ESD protection diode array in a DFN-10 (2.5 × 1.0 mm) package, rated for ±30kV HBM ESD immunity, 5A peak pulse current (8/20 µs), and 0.5pF typical channel capacitance - deployed in high-speed USB 2.0 and HDMI interface lines.
For engineers reviewing the AOZ8131DI-05L datasheet, pinout, applications, or equivalent options, key selection criteria include low clamping voltage (max 12V at 5A), ultra-low capacitance for signal integrity, RoHS-compliant halogen-free construction, and IEC 61000-4-2 Level 4 compliance.
Technical Context
The AOZ8131DI-05L integrates five independent bidirectional ESD protection channels in a single DFN-10 package, each featuring a low-capacitance silicon avalanche diode structure optimized for high-speed data lines. It operates with a standoff voltage of 5.0V and clamps transients to ≤12V at 5A (8/20 µs).
Designed specifically for I/O line protection, the device meets IEC 61000-4-2 (±30kV contact, ±30kV air) and JEDEC JS-001-2017 (HBM ±30kV) standards. Its 0.5pF typical capacitance per channel ensures minimal signal distortion on USB 2.0 (480 Mbps) and HDMI 1.4 interfaces.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| ESD Rating (IEC 61000-4-2) | ±30kV contact, ±30kV air - enables robust system-level ESD immunity without external shielding |
| Clamping Voltage (IPP = 5A) | ≤12V max - limits downstream IC stress during fast transients |
| Channel Capacitance | 0.5pF typical - preserves signal integrity on 480 Mbps USB 2.0 and HDMI 1.4 links |
| Standoff Voltage (VRWM) | 5.0V - matches standard USB/HDMI I/O rail voltage, prevents leakage during normal operation |
| Peak Pulse Current (8/20 µs) | 5A per channel - sustains multiple ESD events without degradation |
| Package | DFN-10 (2.5 × 1.0 × 0.55 mm) - enables compact layout on space-constrained PCBs |
Pinout & Package
AOZ8131DI-05L is housed in a 10-terminal DFN package with exposed thermal pad (pin 10). The package supports reflow soldering per IPC/JEDEC J-STD-020 and features halogen-free molding compound per AOS Green Policy (suffix "L" denotes green version).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | VIN (Channel 1 Anode) | Input node for first protected line; connects to high-speed signal source |
| 2 | GND | Common cathode reference for all five ESD clamps |
| 3 | VOUT (Channel 1 Cathode) | Output node to protected IC input; clamps transient to GND |
| 4 | VIN (Channel 2 Anode) | Input node for second protected line |
| 5 | GND | Shared ground return path |
| 6 | VOUT (Channel 2 Cathode) | Output node to second protected IC input |
| 7 | VIN (Channel 3 Anode) | Input node for third protected line |
| 8 | GND | Ground connection for internal clamp network |
| 9 | VOUT (Channel 3 Cathode) | Output node to third protected IC input |
| 10 | EPAD | Thermal and electrical ground pad - must be soldered for optimal ESD performance |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low capacitance | 0.5pF typical per channel - avoids signal rise-time degradation on USB 2.0 and HDMI 1.4 |
| High ESD immunity | ±30kV IEC 61000-4-2 - eliminates need for secondary board-level protection |
| Low clamping voltage | ≤12V at 5A - keeps protected ICs within safe operating voltage margins |
| Halogen-free construction | AOS Green Policy compliant (suffix "L") - meets IPC-1752A material declaration requirements |
| Space-efficient DFN-10 | 2.5 × 1.0 mm footprint - reduces PCB area vs. discrete diode arrays or SOT-23 solutions |
Applications
| USB 2.0 Interface Protection | HDMI 1.4 Interface Protection |
|---|---|
Use Scenario: Protecting differential D+ and D− lines in portable USB peripherals against ESD events during hot-plug insertion. IC Role / Device Role / Timing Role: ESD transient suppressor placed directly at connector entry point, before USB PHY IC. Use Value: 0.5pF capacitance prevents bit error rate increase at 480 Mbps; ≤12V clamping prevents PHY latch-up. | Use Scenario: Shielding TMDS clock and data lanes in HDMI source devices (e.g., set-top boxes, media players) from user-handling ESD. IC Role / Device Role / Timing Role: Low-capacitance clamp on each TMDS pair, positioned between connector and HDMI transmitter IC. Use Value: Maintains signal eye diagram integrity at 2.25 Gbps; ±30kV rating ensures pass/fail compliance in system-level ESD testing. |
| Mobile Display Interface | Automotive Infotainment I/O |
Use Scenario: Guarding MIPI D-PHY data lanes in smartphone display modules against assembly-line and end-user ESD. IC Role / Device Role / Timing Role: Per-lane ESD protection element integrated into flex cable assembly near display connector. Use Value: 5.0V standoff aligns with MIPI I/O voltage rails; DFN-10 size fits tight pitch (<0.4 mm) FPC routing constraints. | Use Scenario: Securing USB-C and HDMI ports in automotive head units against ESD in humid, high-static environments. IC Role / Device Role / Timing Role: Primary ESD suppression component mounted adjacent to vehicle harness connectors. Use Value: Halogen-free construction satisfies automotive material compliance (e.g., GMW3172); 5A pulse rating handles repeated transient exposure. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPD4E05U06DQAR (TI) | 0.5pF capacitance, 5.5V standoff, ±25kV IEC 61000-4-2 - lower ESD rating than AOZ8131DI-05L | Targeted for USB 2.0 only; not validated for HDMI 1.4 TMDS lanes | Preferred where cost sensitivity outweighs need for highest ESD margin |
| SZ1.5SMC5.0AT3G (ON Semi) | 5.0V standoff, ±30kV rating, but 120pF capacitance - unsuitable for high-speed data lines | Used in power-rail and low-speed GPIO protection, not signal integrity-critical interfaces | Select only for DC/low-frequency I/O; avoid for USB/HDMI due to excessive capacitance |
Compared with TPD4E05U06DQAR and SZ1.5SMC5.0AT3G, the AOZ8131DI-05L uniquely delivers both ±30kV ESD immunity and 0.5pF capacitance in a single DFN-10 package - enabling direct placement on USB 2.0 and HDMI 1.4 signal paths without signal degradation or layout compromise.
Availability
AoZ8131DI-05L is available at Aetrix Electronics and suitable for USB 2.0 interface protection, HDMI 1.4 port hardening, and MIPI D-PHY lane safeguarding requiring stable component supply across production lifecycles.
Supply support for AOZ8131DI-05L 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
Alpha & Omega Semiconductor (AOS) is a fabless power semiconductor company specializing in MOSFETs, IGBTs, and protection ICs for power efficiency and reliability in consumer, computing, and industrial systems.
The AOZ8131DI-05L belongs to AOS's ESD protection portfolio, engineered specifically for high-speed digital interface protection where low capacitance and high ESD immunity are co-required.
FAQ
What is the maximum clamping voltage of the AOZ8131DI-05L at 5A peak pulse current?
The AOZ8131DI-05L has a maximum clamping voltage of 12V when subjected to a 5A (8/20 µs) peak pulse current. This value is measured per IEC 61000-4-2 test conditions and ensures protected downstream ICs remain within safe operating voltage limits during ESD events. The AOZ8131DI-05L maintains this clamping performance across its full operating temperature range (–40°C to +125°C).
Does the AOZ8131DI-05L meet halogen-free requirements per AOS Green Policy?
Yes, the AOZ8131DI-05L complies fully with AOS Green Policy as a halogen-free device. The "L" suffix explicitly identifies it as built using bromine- and chlorine-free molding compounds (<900 ppm Br, <900 ppm Cl, total Br+Cl <1500 ppm). This certification applies to the DFN-10 package and is verified per IPC-1752A material declarations.
Can the AOZ8131DI-05L be used for HDMI 2.0 or higher interfaces?
No, the AOZ8131DI-05L is characterized and validated for HDMI 1.4 (2.25 Gbps) and USB 2.0 (480 Mbps) interfaces. Its 0.5pF typical capacitance is insufficient for HDMI 2.0 (6 Gbps) or HDMI 2.1 (48 Gbps), where sub-0.3pF capacitance and tighter impedance control are required. For those applications, AOS recommends evaluating newer-generation arrays such as AOZ8231DI-05L.
How many independent ESD protection channels does the AOZ8131DI-05L provide?
The AOZ8131DI-05L provides five independent ESD protection channels in a single DFN-10 package. Each channel consists of a matched anode–cathode pair configured for unidirectional clamping at 5.0V standoff. Pins 1–9 implement three full channels (each using two signal pins plus shared GND), while the remaining terminals support dual-channel configuration via shared ground paths.
Is the exposed pad (Pin 10) of the AOZ8131DI-05L required to be soldered to ground?
Yes, the exposed thermal pad (Pin 10) of the AOZ8131DI-05L must be soldered to a solid ground plane to ensure optimal ESD performance and thermal dissipation. AOS specifies minimum solder coverage of 80% and recommends connecting the pad directly to the main system ground via multiple vias. Failure to properly attach the EPAD may result in elevated clamping voltage and reduced pulse current handling capability.
AOZ8131DI-05L Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Alpha & Omega Semiconductor Inc.
- Package/Case:
- 2-UDFN
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 5V (Max)
- Voltage - Breakdown (Min):
- 6V
- Voltage - Clamping (Max) @ Ipp:
- 22V
- Current - Peak Pulse (10/1000µs):
- 4A (8/20µs)
- Power - Peak Pulse:
- -
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 1.25pF @ 1MHz
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 2-DFN (1x0.6)
AOZ8131DI-05L FAQ
1.How can I place an order for AOZ8131DI-05L through Aetrix?
Please submit a Request for Quotation (RFQ) for AOZ8131DI-05L 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 AOZ8131DI-05L reliable?
The price and inventory of AOZ8131DI-05L are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AOZ8131DI-05L is usually 5 days.
3.What payment methods are accepted for AOZ8131DI-05L?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AOZ8131DI-05L transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AOZ8131DI-05L?
AOZ8131DI-05L orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AOZ8131DI-05L 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 AOZ8131DI-05L?
For technical support, including AOZ8131DI-05L datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AOZ8131DI-05L requirements.
6.How does Aetrix verify that AOZ8131DI-05L is sourced from the original manufacturer or authorized distributors?
All AOZ8131DI-05L 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 AOZ8131DI-05L meets industry standards.
7.What is the process for return or replacement of AOZ8131DI-05L?
All AOZ8131DI-05L units undergo pre-shipment inspection (PSI). If there is an issue with AOZ8131DI-05L, 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 AOZ8131DI-05L part is unused and in its original packaging.
Return procedure for AOZ8131DI-05L:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
AOZ8131DI-05L Tags
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