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Diodes Incorporated D1213A-01T-7
- Part No.:
- D1213A-01T-7
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- SC-79, SOD-523
- Datasheet:
-
D1213A-01T-7.pdf
- Description:
- TVS DIODE 3.3VWM 10VC SOD523
- Quantity:
- Payment:
- Shipping:
Inventory:1,024,382
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Product details
Overview
D1213A-01T-7 from Diodes Incorporated is a single-channel, low-capacitance TVS diode array designed for ESD protection of high-speed data lines. It features 0.85 pF typical capacitance, ±8 kV contact / ±15 kV air IEC 61000-4-2 ESD rating, 3.3 V reverse working voltage, and SOD523 package with 1.7 × 0.9 mm footprint - deployed in USB 2.0, HDMI, and SATA interfaces.
For engineers reviewing the D1213A-01T-7 datasheet, D1213A-01T-7 pinout, D1213A-01T-7 application, or D1213A-01T-7 equivalent, key selection criteria include clamping voltage under 10 V at 1 A, sub-1 pF signal-line capacitance, AEC-Q101 qualification, and compatibility with FR-4 PCB layouts per AP02001.
Technical Context
This unidirectional TVS array protects one signal line against transient overvoltages using an integrated avalanche diode structure. It operates with a 3.3 V VRWM and clamps positive transients to ≤10.0 V (at 1 A, 8/20 μs) while maintaining low dynamic resistance (0.9 Ω) and minimal parasitic capacitance (0.85 pF @ 1 MHz, 1.65 V).
The device is rated for ±8 kV contact and ±15 kV air ESD per IEC 61000-4-2, supports continuous power dissipation up to 250 mW on standard FR-4 layout, and functions across –65 °C to +150 °C ambient temperature with AEC-Q101 qualification for automotive-grade reliability.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| ESD Rating (IEC 61000-4-2) | ±8 kV contact / ±15 kV air - meets industrial and automotive ESD immunity requirements without external shielding |
| Reverse Working Voltage (VRWM) | 3.3 V - matches standard USB 2.0 and HDMI I/O supply rails, preventing leakage during normal operation |
| Clamping Voltage (VCL1) | 10.0 V @ 1 A, 8/20 μs - limits transient overshoot below IC damage thresholds for 3.3 V logic interfaces |
| Capacitance (CT) | 0.85 pF @ 1 MHz, 1.65 V - preserves signal integrity at >480 Mbps (USB 2.0) with negligible insertion loss |
| Package | SOD523 - 1.7 × 0.9 mm footprint, 0.65 mm max height - enables routing under fine-pitch connectors in ultra-thin portable designs |
| Operating Temperature | –65 °C to +150 °C - supports under-hood automotive and extended industrial environments |
| AEC-Q101 Qualified | Yes - validated for high-reliability automotive applications including infotainment and ADAS data links |
Pinout & Package
SOD523 is a two-terminal surface-mount package with cathode-marked Pin 1 and anode Pin 2. Its compact 1.7 × 0.9 mm outline and 0.65 mm maximum profile support high-density PCB layouts in space-constrained portable and automotive modules.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 (Marked) | Cathode | Connected to protected signal line; clamps positive transients to VCC or ground depending on bias configuration |
| Pin 2 | Anode | Typically tied to ground (unidirectional configuration); establishes reference for ESD current path during negative transients |
Key Features
| Feature | Design Value |
|---|---|
| Low Capacitance Protection | 0.85 pF typical - avoids signal distortion and eye closure in 480 Mbps USB 2.0 channels |
| Automotive-Qualified ESD Suppression | AEC-Q101 certified - ensures robustness in automotive infotainment and camera link applications |
| Compact SOD523 Footprint | 1.7 × 0.9 mm - fits beneath micro-USB and HDMI Type-A receptacles without layer stacking |
| Green Construction | Halogen- and antimony-free, RoHS-compliant - satisfies EU environmental compliance for global OEM programs |
Applications
| USB 2.0 Interface Protection | HDMI Data Line Protection |
|---|---|
Use Scenario: Protecting D+ and D− differential pairs in portable media players and docking stations from user-handling ESD events. IC Role / Device Role / Timing Role: Unidirectional TVS array placed directly at connector entry point to shunt ESD energy before reaching PHY IC. Use Value: 0.85 pF capacitance prevents jitter accumulation and maintains USB eye diagram compliance per USB-IF test plan. | Use Scenario: Safeguarding TMDS clock and data channels in flat-panel displays and set-top boxes exposed to frequent cable hot-plug events. IC Role / Device Role / Timing Role: Single-channel clamp on each TMDS pair, referenced to ground, preserving 165 MHz pixel clock timing integrity. Use Value: 10.0 V clamping voltage ensures downstream HDMI receiver inputs remain within absolute maximum ratings during ±8 kV contact discharge. |
| SATA Host Port Protection | Automotive Camera Link (FPD-Link II) |
Use Scenario: Shielding SATA TX/RX lanes in notebook SSD enclosures from electrostatic discharge during module replacement. IC Role / Device Role / Timing Role: One D1213A-01T-7 per lane, mounted adjacent to edge connector, providing fast-response clamping without degrading 1.5 Gbps signaling. Use Value: Sub-1 pF capacitance avoids return loss degradation above 750 MHz, maintaining SATA Gen I signal fidelity. | Use Scenario: ESD hardening of FPD-Link II serial video links between rearview cameras and display ECUs in vehicles. IC Role / Device Role / Timing Role: Channel-level TVS on each high-speed video/data line, qualified to AEC-Q101 for under-hood thermal cycling and vibration resilience. Use Value: –65 °C to +150 °C operating range ensures protection remains effective across full automotive ambient envelope. |
Availability
D1213A-01T-7 is available at Aetrix Electronics and suitable for USB 2.0 interface protection, HDMI data line safeguarding, and automotive FPD-Link II camera links requiring stable component supply and long-term production continuity.
Supply support for D1213A-01T-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, specializing in high-performance protection, signal integrity, and power management solutions for consumer, computing, and automotive markets.
The D1213A series belongs to Diodes' ESD protection portfolio, engineered specifically for high-speed digital interfaces where low capacitance and fast transient response are critical to system-level EMC compliance and signal fidelity.
FAQ
What is the polarity configuration of D1213A-01T-7?
D1213A-01T-7 is a unidirectional TVS diode array with Pin 1 as cathode and Pin 2 as anode. It is intended for use with the protected line biased above ground, clamping positive transients to the rail and negative transients to ground. Its schematic symbol matches standard unidirectional TVS topology per DS35762 Rev. 5–2.
Does D1213A-01T-7 require external biasing or supporting components?
No external biasing or supporting components are required. D1213A-01T-7 operates passively: it presents high impedance below 3.3 V VRWM and conducts only during overvoltage events. Layout follows Diodes' AP02001 pad design - no series resistors, ferrites, or bypass capacitors are needed for basic ESD protection functionality.
How does D1213A-01T-7 compare to bidirectional TVS arrays in USB applications?
In USB 2.0 applications, D1213A-01T-7's unidirectional architecture provides lower capacitance (0.85 pF vs. ~1.2 pF typical for bidirectional variants) and tighter clamping (10.0 V vs. ~12–14 V), improving signal integrity and noise margin. It requires proper DC bias alignment but delivers superior high-frequency performance for single-rail interfaces.
Is D1213A-01T-7 compatible with lead-free reflow profiles?
Yes - D1213A-01T-7 uses matte tin plating over Alloy 42 leadframe and is rated for standard lead-free reflow per JEDEC J-STD-020. Its moisture sensitivity level is MSL 1, allowing unlimited floor life at ≤30 °C/60% RH, and it withstands peak temperatures up to 260 °C for 10 seconds without degradation.
D1213A-01T-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Package/Case:
- SC-79, SOD-523
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 3.3V (Max)
- Voltage - Breakdown (Min):
- 6V
- Voltage - Clamping (Max) @ Ipp:
- 10V (Typ)
- Current - Peak Pulse (10/1000µs):
- 1A (8/20µs)
- Power - Peak Pulse:
- -
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-523
D1213A-01T-7 FAQ
1.How can I place an order for D1213A-01T-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for D1213A-01T-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 D1213A-01T-7 reliable?
The price and inventory of D1213A-01T-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for D1213A-01T-7 is usually 5 days.
3.What payment methods are accepted for D1213A-01T-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for D1213A-01T-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for D1213A-01T-7?
D1213A-01T-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your D1213A-01T-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 D1213A-01T-7?
For technical support, including D1213A-01T-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your D1213A-01T-7 requirements.
6.How does Aetrix verify that D1213A-01T-7 is sourced from the original manufacturer or authorized distributors?
All D1213A-01T-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 D1213A-01T-7 meets industry standards.
7.What is the process for return or replacement of D1213A-01T-7?
All D1213A-01T-7 units undergo pre-shipment inspection (PSI). If there is an issue with D1213A-01T-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 D1213A-01T-7 part is unused and in its original packaging.
Return procedure for D1213A-01T-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
D1213A-01T-7 Tags
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ESD9B5.0ST5G
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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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onsemi
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Diodes Incorporated
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Diodes Incorporated
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Nexperia USA Inc.
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Toshiba Semiconductor and Storage
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Diodes Incorporated
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