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Diodes Incorporated D1213A-01WSQ-7
- Part No.:
- D1213A-01WSQ-7
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- SC-76, SOD-323
- Datasheet:
-
D1213A-01WSQ-7.pdf
- Description:
- DATALINE PROTECTION PP SOD323 T&
- Quantity:
- Payment:
- Shipping:
Inventory:7,087
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Product details
Overview
D1213A-01WSQ 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, 3.3 V reverse working voltage, ±25 kV contact/±30 kV air ESD rating per IEC 61000-4-2, and AEC-Q101 qualification for automotive use - deployed in HDMI, USB 2.0, and SATA interfaces.
For engineers reviewing the D1213A-01WSQ datasheet, D1213A-01WSQ pinout, D1213A-01WSQ application, or D1213A-01WSQ equivalent, key selection criteria include clamping voltage under 10 V at 1 A, sub-1 pF signal-line capacitance, SOD323 footprint compatibility, and automotive-grade reliability for high-speed serial bus protection.
Technical Context
This device implements a unidirectional TVS structure with one anode-cathode pair in a two-terminal configuration, optimized for bidirectional transient suppression on a single data line. Its low dynamic resistance (0.9 Ω) and fast response ensure effective clamping of ESD pulses without signal distortion.
Designed for placement directly at connector-level inputs, it operates within -65°C to +150°C and maintains stable capacitance (<1.2 pF) across 1.65 V reverse bias at 1 MHz - critical for preserving signal integrity in 480 Mbps USB 2.0 and 3 Gbps SATA links.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| ESD Rating (IEC 61000-4-2) | Air ±30 kV / Contact ±25 kV - meets automotive and industrial system-level ESD immunity requirements |
| Reverse Working Voltage (VRWM) | 3.3 V - matches standard I/O voltage rails for USB 2.0, HDMI, and PCIe Gen1 signaling |
| Clamping Voltage (VCL1 @ 1 A) | 10.0 V - limits transient overvoltage below IC absolute maximum ratings during ESD events |
| Capacitance (CT @ 1.65 V, 1 MHz) | 0.85 pF typical - preserves signal rise time and minimizes insertion loss in >480 Mbps data paths |
| Package | SOD323 - 1.3 mm × 1.7 mm surface-mount footprint compatible with high-density PCB layouts |
| AEC-Q101 Qualified | Yes - validated for automotive applications requiring PPAP documentation and IATF 16949 manufacturing control |
Pinout & Package
Package: SOD323 - ultra-compact plastic molded case (1.30 mm × 1.70 mm × 0.95 mm), matte tin-plated alloy 42 leadframe, moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Anode | Connected to protected signal line; forms cathode-to-ground path for negative transients |
| Pin 2 | Cathode | Connected to ground plane; provides low-impedance discharge path for ESD current |
Key Features
| Feature | Design Value |
|---|---|
| Low input capacitance | 0.85 pF typical - enables use on 480 Mbps USB 2.0 and 3 Gbps SATA without degrading eye diagram |
| High ESD robustness | ±25 kV contact discharge - exceeds IEC 61000-4-2 Level 4 for system-level compliance |
| Automotive qualification | AEC-Q101 qualified, PPAP capable, manufactured in IATF 16949 facilities - supports Tier-1 supply chain requirements |
| Green material compliance | Halogen- and antimony-free, RoHS 3 compliant - satisfies EU environmental directives and OEM sustainability mandates |
Applications
| USB 2.0 Interface Protection | HDMI Signal Line Protection |
|---|---|
Use Scenario: Protecting D+ and D- differential pairs in portable USB host/device ports against user-handling ESD. IC Role / Device Role / Timing Role: Unidirectional TVS clamp placed immediately before the USB transceiver IC to shunt ESD energy to ground. Use Value: 0.85 pF capacitance prevents signal integrity degradation at 480 Mbps, while 10 V clamping avoids transceiver latch-up. | Use Scenario: Safeguarding TMDS clock and data channels in consumer AV equipment against hot-plug and handling ESD. IC Role / Device Role / Timing Role: One D1213A-01WSQ per TMDS channel (clock + three data lanes) to maintain differential impedance and bandwidth. Use Value: Sub-1 pF loading preserves 165 MHz TMDS clock timing margin and reduces jitter accumulation. |
| SATA Data Lane Protection | Automotive Infotainment Link Protection |
Use Scenario: Shielding SATA Gen II (3 Gbps) transmitter/receiver pins in storage controllers and SSD modules. IC Role / Device Role / Timing Role: Point-of-entry TVS on each differential pair to suppress ESD before signal conditioning circuitry. Use Value: Low dynamic resistance (0.9 Ω) ensures rapid clamping response, minimizing bit error rate during transient events. | Use Scenario: Hardening LVDS or FPD-Link video/data buses in automotive head units and digital clusters against ESD in harsh environments. IC Role / Device Role / Timing Role: AEC-Q101-qualified TVS placed at connector interface to meet ISO 10605 and OEM ESD test plans. Use Value: -65°C to +150°C operating range and PPAP support enable deployment in under-hood and dashboard systems. |
Availability
D1213A-01WSQ is available at Aetrix Electronics and suitable for USB 2.0 interface protection, HDMI signal line hardening, SATA Gen II data lane safeguarding, and automotive infotainment link protection requiring stable component supply and long-term lifecycle assurance.
Supply support for D1213A-01WSQ 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 consumer markets.
The D1213A-01WSQ belongs to Diodes' low-capacitance TVS diode array product line, engineered specifically for ESD protection of high-speed serial interfaces where signal fidelity and automotive qualification are mandatory.
FAQ
What is the maximum clamping voltage of D1213A-01WSQ under 1 A ESD pulse?
The D1213A-01WSQ exhibits a maximum reverse clamping voltage (VCL1) of 10.0 V when subjected to a 1 A, 8/20 μs positive transient pulse. This value is measured at the device terminals under standardized test conditions and ensures protected ICs remain within safe operating voltage margins during ESD events.
Is D1213A-01WSQ suitable for bidirectional data lines like USB D+/D-?
Yes - although unidirectional in structure, D1213A-01WSQ is configured as an anode-to-signal/cathode-to-ground device and functions effectively on bidirectional lines by clamping both positive and negative transients relative to ground. Its low capacitance and fast response make it appropriate for full-speed USB 2.0 differential pairs.
Does D1213A-01WSQ require external biasing or control signals?
No - D1213A-01WSQ is a passive TVS diode array with no control pins, bias requirements, or active circuitry. It operates solely via avalanche breakdown under overvoltage conditions and remains fully transparent to normal signal operation below its 3.3 V VRWM threshold.
How does the SOD323 package impact thermal performance in high-density layouts?
The SOD323 package delivers a junction-to-ambient thermal resistance (RθJA) of 500 °C/W on standard FR-4 with 2 oz copper pads. In compact layouts, thermal derating applies above 75°C ambient - power dissipation drops linearly to zero at 150°C, per the published derating curve in DS42311.
D1213A-01WSQ-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Package/Case:
- SC-76, SOD-323
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Steering (Rail to Rail)
- Unidirectional Channels:
- 1
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 3.3V (Max)
- Voltage - Breakdown (Min):
- 6V
- Voltage - Clamping (Max) @ Ipp:
- 10V
- Current - Peak Pulse (10/1000µs):
- 5A (8/20µs)
- Power - Peak Pulse:
- -
- Power Line Protection:
- No
- Applications:
- DVI, HDMI, USB
- Capacitance @ Frequency:
- 0.85pF @ 1MHz
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-323
D1213A-01WSQ-7 FAQ
1.How can I place an order for D1213A-01WSQ-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for D1213A-01WSQ-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-01WSQ-7 reliable?
The price and inventory of D1213A-01WSQ-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-01WSQ-7 is usually 5 days.
3.What payment methods are accepted for D1213A-01WSQ-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for D1213A-01WSQ-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for D1213A-01WSQ-7?
D1213A-01WSQ-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your D1213A-01WSQ-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-01WSQ-7?
For technical support, including D1213A-01WSQ-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your D1213A-01WSQ-7 requirements.
6.How does Aetrix verify that D1213A-01WSQ-7 is sourced from the original manufacturer or authorized distributors?
All D1213A-01WSQ-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-01WSQ-7 meets industry standards.
7.What is the process for return or replacement of D1213A-01WSQ-7?
All D1213A-01WSQ-7 units undergo pre-shipment inspection (PSI). If there is an issue with D1213A-01WSQ-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-01WSQ-7 part is unused and in its original packaging.
Return procedure for D1213A-01WSQ-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
D1213A-01WSQ-7 Tags
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