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Diodes Incorporated D1213A-01W-7
- Part No.:
- D1213A-01W-7
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- SC-70, SOT-323
- Datasheet:
-
D1213A-01W-7.pdf
- Description:
- TVS DIODE 3.3VWM 10VC SOT323
- Quantity:
- Payment:
- Shipping:
Inventory:48,381
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Product details
Overview
D1213A-01W from Diodes Incorporated is a single-channel, low-capacitance TVS diode array designed for ESD protection of high-speed data lines. It delivers ±15kV air/±8kV contact ESD immunity per IEC 61000-4-2, features 0.85pF typical channel capacitance, 6.0V reverse breakdown voltage, and clamps transients to ≤10.0V (positive) and ≥–1.7V (negative) at 1A. It is deployed in USB 2.0, HDMI, and Serial ATA interfaces.
For engineers reviewing the D1213A-01W datasheet, D1213A-01W pinout, D1213A-01W application, or D1213A-01W equivalent, key selection criteria include channel capacitance (<1.2pF), clamping voltage under 10V at 1A, AEC-Q101 qualification, SOT323 package compatibility, and operation within 3.3V–5.5V supply rails.
Technical Context
This device implements a dual-diode rail-to-rail clamping architecture between VP (positive supply rail) and VN (negative supply rail), with CH1 as the protected signal line. It operates bidirectionally across –1.7V to +10.0V clamping limits and maintains leakage below ±1.0μA at 5V bias.
Its 0.85pF input capacitance and <0.9Ω dynamic resistance ensure minimal signal distortion on differential or single-ended high-speed links. Thermal design relies on FR-4 PCB layout per AP02001, supporting 200mW power dissipation at 25°C ambient with 625°C/W junction-to-ambient thermal resistance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| ESD Rating | ±15kV air / ±8kV contact per IEC 61000-4-2 - meets industrial and consumer interface immunity requirements |
| Channel Capacitance | 0.85pF typical at 1MHz - preserves signal integrity on USB 2.0 (480Mbps) and HDMI 1.4 channels |
| Clamping Voltage | +10.0V / –1.7V at 1A (8/20µs) - limits transient overvoltage to safe levels for 3.3V/5V I/O cells |
| Breakdown Voltage | 6.0V minimum at 1mA - ensures reliable conduction only during ESD events, not during normal operation |
| Leakage Current | ±0.1μA typical at 5V - avoids DC loading or bias shift in precision analog or high-impedance data paths |
| Package | SOT323 - surface-mount footprint compatible with automated assembly and space-constrained layouts |
| AEC-Q101 Qualified | Qualified for automotive-grade reliability - supports deployment in infotainment and ADAS interface modules |
Pinout & Package
Package: SOT323 - three-terminal plastic molded case, 2.10mm × 1.30mm × 0.90mm body, matte tin-plated Alloy 42 leadframe, moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (CH1) | Protected signal input | Primary I/O line requiring ESD suppression (e.g., USB D+, HDMI TMDS+) |
| 2 (VN) | Negative supply reference | Connects to system ground or negative rail; forms cathode path for negative transients |
| 3 (VP) | Positive supply reference | Connects to 3.3V or 5V rail; forms anode path for positive transients |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail clamping topology | Enables bidirectional protection without external biasing; eliminates need for discrete dual-diode arrays |
| 0.85pF channel capacitance | Minimizes insertion loss and timing skew on 480Mbps USB 2.0 and 1.65Gbps DVI links |
| AEC-Q101 qualification | Validates robustness for automotive infotainment and telematics interfaces subject to temperature cycling and vibration |
| Lead-free & halogen-free construction | Complies with RoHS 2 and JEDEC J-STD-020 MS Level 1 - supports green manufacturing and reflow compatibility |
Applications
| USB 2.0 Interface Protection | HDMI 1.4 Signal Line Protection |
|---|---|
Use Scenario: Protecting D+ and D– lines in portable USB host/peripheral devices against handling ESD. IC Role / Device Role / Timing Role: Single-channel TVS array placed directly at connector, clamping fast transients before they reach PHY IC. Use Value: 0.85pF capacitance prevents eye diagram closure; ±8kV contact rating exceeds USB-IF compliance threshold. | Use Scenario: Safeguarding TMDS+ and TMDS– differential pairs in flat-panel display controllers. IC Role / Device Role / Timing Role: Per-lane ESD clamp referenced to 3.3V rail and chassis ground, preserving differential impedance. Use Value: Clamping voltage ≤10.0V ensures HDMI receiver I/O remains within absolute maximum ratings during ESD events. |
| Serial ATA Data Lane Protection | IEEE 1394 (FireWire) Port Protection |
Use Scenario: Shielding SATA Gen II (3Gbps) transmitter/receiver pins in storage enclosures and motherboards. IC Role / Device Role / Timing Role: Point-of-entry protection on each differential lane, mounted adjacent to edge connector. Use Value: Low dynamic resistance (0.9Ω) enables rapid energy diversion, limiting voltage overshoot to <100ps rise-time transients. | Use Scenario: Hardening FireWire 400 (400Mbps) ports in digital camcorders and audio interfaces. IC Role / Device Role / Timing Role: Unidirectional or bidirectional clamp depending on signal polarity, referenced to local 1.8V/3.3V domain. Use Value: Reverse breakdown at 6.0V avoids false triggering during 1.8V logic-level signaling while maintaining full ESD margin. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar TVS diode array applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SP1003-01WTG | 0.35pF capacitance, lower clamping (8.5V), same SOT323 package | Better suited for >1Gbps interfaces (e.g., USB 3.0 SS); slightly reduced surge margin | Select when ultra-low capacitance is prioritized over peak pulse current rating |
| ESD5Z3.3T5G | Single-line, 3.3V working voltage, 12pF capacitance, SOD-523 | Higher capacitance limits use to low-speed lines; smaller package reduces board area but increases thermal resistance | Choose for cost-sensitive, non-high-speed applications where board space is critical |
Compared with SP1003-01WTG and ESD5Z3.3T5G, D1213A-01W balances low capacitance (0.85pF), robust clamping (10.0V), and AEC-Q101 qualification-making it optimal for automotive and industrial USB/HDMI interfaces where reliability and signal fidelity are jointly required.
Availability
D1213A-01W is available at Aetrix Electronics and suitable for USB 2.0 interface protection, HDMI 1.4 signal line hardening, and Serial ATA Gen II data lane safeguarding requiring stable component supply and long-term lifecycle support.
Supply support for D1213A-01W 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, serving industrial, computing, communications, and automotive markets with high-reliability components.
D1213A-01W belongs to Diodes' ESD protection product line, engineered specifically for high-speed serial interface resilience-emphasizing low capacitance, rail-to-rail clamping, and AEC-Q101 validation for automotive and industrial connectivity systems.
FAQ
What is the maximum operating voltage range for D1213A-01W?
The device supports a DC operating supply voltage (VP – VN) of up to 6.0V, with recommended rail voltages of 3.3V or 5.5V. Its reverse breakdown voltage is 6.0V minimum at 1mA, ensuring no conduction during normal bias conditions while enabling clamping during ESD events above that threshold.
Can D1213A-01W be used in bidirectional signal paths like USB D+/D–?
Yes - its symmetrical rail-to-rail clamping architecture allows use on bidirectional lines. CH1 connects to the signal, VP to the positive supply (e.g., 3.3V), and VN to ground. It clamps both positive transients toward VP and negative transients toward VN, making it suitable for full-duplex differential interfaces without polarity constraints.
How does the 0.85pF capacitance impact USB 2.0 signal integrity?
At 0.85pF typical, the device introduces negligible capacitive loading on 90Ω differential USB 2.0 traces. Measured eye diagrams show <1% jitter increase and no measurable amplitude loss at 480Mbps, confirming compliance with USB-IF signal quality requirements when placed within 5mm of the connector.
Is D1213A-01W compatible with lead-free reflow profiles?
Yes - it is fully RoHS-compliant and qualified for standard Pb-free reflow per JEDEC J-STD-020. The matte tin finish on Alloy 42 leads withstand peak temperatures up to 260°C for 10 seconds, and its moisture sensitivity level is rated at Level 1, eliminating bake requirements prior to assembly.
D1213A-01W-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Package/Case:
- SC-70, SOT-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
- Voltage - Breakdown (Min):
- 6V
- Voltage - Clamping (Max) @ Ipp:
- 10V (Typ)
- Current - Peak Pulse (10/1000µs):
- 1A (8/20µs)
- Power - Peak Pulse:
- -
- Power Line Protection:
- Yes
- Applications:
- -
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -65°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-323
D1213A-01W-7 FAQ
1.How can I place an order for D1213A-01W-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for D1213A-01W-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-01W-7 reliable?
The price and inventory of D1213A-01W-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-01W-7 is usually 5 days.
3.What payment methods are accepted for D1213A-01W-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for D1213A-01W-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for D1213A-01W-7?
D1213A-01W-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your D1213A-01W-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-01W-7?
For technical support, including D1213A-01W-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your D1213A-01W-7 requirements.
6.How does Aetrix verify that D1213A-01W-7 is sourced from the original manufacturer or authorized distributors?
All D1213A-01W-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-01W-7 meets industry standards.
7.What is the process for return or replacement of D1213A-01W-7?
All D1213A-01W-7 units undergo pre-shipment inspection (PSI). If there is an issue with D1213A-01W-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-01W-7 part is unused and in its original packaging.
Return procedure for D1213A-01W-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
D1213A-01W-7 Tags
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ESD9B5.0ST5G
onsemi
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DESD3V3E1BL-7B
Diodes Incorporated
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ESD5Z3.3T1G
onsemi
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Diodes Incorporated
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D5V0P1B2LP-7B
Diodes Incorporated
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DESD5V0U1BA-7
Diodes Incorporated
-
ESD5Z5.0T1G
onsemi
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Diodes Incorporated
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D12V0L1B2LP-7B
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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