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Diodes Incorporated D1213A-01WS-7
- Part No.:
- D1213A-01WS-7
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- SC-76, SOD-323
- Datasheet:
-
D1213A-01WS-7.pdf
- Description:
- TVS DIODE 3.3VWM 10VC SOD323
- Quantity:
- Payment:
- Shipping:
Inventory:23,600
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Product details
Overview
D1213A-01WS 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 input capacitance, 3.3 V reverse working voltage, ±8 kV contact/±15 kV air ESD rating per IEC 61000-4-2, and 10.0 V clamping voltage at 1 A, making it suitable for USB 2.0, HDMI, and DVI interface protection.
For engineers reviewing the D1213A-01WS datasheet, D1213A-01WS pinout, D1213A-01WS application, or D1213A-01WS equivalent, this device delivers verified low-capacitance transient suppression with AEC-Q101 qualification, SOD323 packaging, and precise clamping performance critical for signal integrity in high-speed serial interfaces.
Technical Context
This unidirectional TVS array uses a planar silicon avalanche structure optimized for fast response (<1 ns) to ESD transients while maintaining sub-1 pF capacitance. Its 3.3 V VRWM aligns with 3.3 V logic rails, and the 6.0 V minimum breakdown voltage ensures reliable triggering before system-level damage occurs.
The device operates across –65 °C to +150 °C and exhibits stable dynamic resistance (0.9 Ω typical) under 8/20 µs surge conditions. Its thermal resistance (500 °C/W) and 250 mW power dissipation are validated on standard FR-4 PCB layouts per AP02001.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| ESD Rating (IEC 61000-4-2) | Air ±15 kV, Contact ±8 kV - meets industrial and consumer ESD immunity requirements without external filtering |
| Reverse Working Voltage (VRWM) | 3.3 V - matches standard 3.3 V I/O supply rails, preventing leakage during normal operation |
| Clamping Voltage (VCL1 @ 1 A) | 10.0 V - limits transient voltage to safe levels for downstream 3.3 V logic receivers |
| Capacitance (CT @ 1 MHz) | 0.85 pF typical - preserves signal integrity up to 480 Mbps in USB 2.0 applications |
| Breakdown Voltage (VBR) | 6.0 V min @ 1 mA - ensures robust margin above VRWM for reliable turn-on during surges |
| Package | SOD323 - 2-pin surface-mount package with 0.004 g mass, compatible with automated pick-and-place |
Pinout & Package
Package: SOD323 - ultra-small plastic case (2.30–2.70 mm length × 1.20–1.40 mm width × 0.25–0.35 mm height), matte tin-plated Alloy 42 leadframe, moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Anode | Connected to protected signal line; conducts transient current to ground when clamped |
| Pin 2 | Cathode | Connected to system ground; establishes reference for clamping action and defines unidirectional polarity |
Key Features
| Feature | Design Value |
|---|---|
| Low Capacitance | 0.85 pF typical - minimizes signal distortion and insertion loss in 480 Mbps USB 2.0 paths |
| AEC-Q101 Qualified | Qualified for automotive-grade reliability - supports deployment in infotainment and ADAS interface modules |
| Green Construction | Halogen- and antimony-free, RoHS-compliant molding compound - satisfies environmental compliance for global markets |
| Precision Clamping | 10.0 V clamping at 1 A - holds protected IC I/O within safe operating area during ESD events |
Applications
| USB 2.0 Interface Protection | HDMI Signal Line Protection |
|---|---|
Use Scenario: Protecting D+ and D− differential pairs in portable USB hosts and peripherals against ESD discharge. IC Role / Device Role / Timing Role: Unidirectional TVS clamp placed directly at connector, shunting transients before reaching PHY IC. Use Value: 0.85 pF capacitance avoids eye diagram degradation; ±8 kV contact rating exceeds USB-IF compliance thresholds. | Use Scenario: Safeguarding TMDS clock and data channels in flat-panel display interconnects. IC Role / Device Role / Timing Role: Per-channel ESD suppressor mounted adjacent to HDMI receptacle, referenced to chassis ground. Use Value: 10.0 V clamping prevents latch-up in HDMI receiver inputs; SOD323 footprint enables dense layout near edge connectors. |
| DVI-D Link Protection | Serial ATA (SATA) Transceiver Protection |
Use Scenario: Shielding DVI-D transition-minimized differential signaling (TMDS) outputs in graphics cards and monitors. IC Role / Device Role / Timing Role: Single-channel TVS per TMDS pair, positioned between source driver and connector. Use Value: Sub-1 pF capacitance maintains signal rise/fall time integrity; 3.3 V VRWM matches DVI transmitter output swing. | Use Scenario: Securing SATA Gen II (3 Gbps) transmitter/receiver lanes in storage controllers and SSD modules. IC Role / Device Role / Timing Role: Point-of-entry ESD protection on SATA TX/RX lines, grounded via shortest possible path. Use Value: Low dynamic resistance (0.9 Ω) ensures rapid energy diversion; AEC-Q101 qualification supports enterprise SSD reliability requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SP1003-01WTG | 0.3 pF typical capacitance, 5.0 V VRWM, ±30 kV air ESD rating | Better suited for 5 V systems and ultra-high-speed interfaces (>5 Gbps); lower clamping (7.5 V @ 1 A) | Select when lower capacitance and higher ESD margin are required, but verify compatibility with 3.3 V logic thresholds. |
| ESD5Z3.3T5G | 0.65 pF typical capacitance, same 3.3 V VRWM, ±12 kV air rating, 12.5 V clamping | Higher clamping voltage may stress sensitive receivers; identical SOD523 footprint (smaller than SOD323) | Choose only if board space is constrained and clamping margin allows; verify thermal derating at elevated ambient temperatures. |
Compared with SP1003-01WTG and ESD5Z3.3T5G, D1213A-01WS offers balanced performance: moderate capacitance for USB 2.0/HDMI, precise 3.3 V VRWM alignment, and AEC-Q101 qualification-making it optimal for cost-sensitive, automotive-qualified high-speed interface protection where strict 0.85 pF tolerance is acceptable.
Availability
D1213A-01WS is available at Aetrix Electronics and suitable for USB 2.0 interface protection, HDMI signal line safeguarding, and automotive infotainment module design requiring stable component supply and long-term lifecycle support.
Supply support for D1213A-01WS 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.
The D1213A series belongs to Diodes' ESD protection product line, engineered specifically for low-capacitance, high-speed data line protection in consumer, computing, and automotive electronics.
FAQ
What is the maximum peak pulse current rating for D1213A-01WS?
The D1213A-01WS is rated for 5 A peak pulse current under 8/20 µs waveform conditions, as specified in its maximum ratings table. This value reflects the device's ability to safely absorb transient energy without failure when mounted per Diodes' recommended AP02001 PCB layout.
Is D1213A-01WS bidirectional or unidirectional?
D1213A-01WS is a unidirectional TVS diode array. Its electrical characteristics-including 3.3 V VRWM, 6.0 V VBR, and asymmetric clamping voltages (10.0 V positive, –1.7 V negative)-confirm unidirectional operation, intended for protection of signals referenced to ground in 3.3 V systems.
Does D1213A-01WS require external biasing or control signals?
No. D1213A-01WS is a passive, two-terminal device requiring no external bias, power, or control signals. It operates solely by avalanche breakdown during overvoltage events and presents negligible leakage (<1.0 µA) under normal 3.3 V operation.
Can D1213A-01WS be used in place of a dual-channel ESD protector?
No. D1213A-01WS contains one channel only and protects a single signal line. Replacing a dual-channel device would require two D1213A-01WS units-one per line-with independent ground connections and careful layout to avoid coupling. Its SOD323 footprint does not support dual-channel integration.
D1213A-01WS-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 (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-323
D1213A-01WS-7 FAQ
1.How can I place an order for D1213A-01WS-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for D1213A-01WS-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-01WS-7 reliable?
The price and inventory of D1213A-01WS-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-01WS-7 is usually 5 days.
3.What payment methods are accepted for D1213A-01WS-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for D1213A-01WS-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for D1213A-01WS-7?
D1213A-01WS-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your D1213A-01WS-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-01WS-7?
For technical support, including D1213A-01WS-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your D1213A-01WS-7 requirements.
6.How does Aetrix verify that D1213A-01WS-7 is sourced from the original manufacturer or authorized distributors?
All D1213A-01WS-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-01WS-7 meets industry standards.
7.What is the process for return or replacement of D1213A-01WS-7?
All D1213A-01WS-7 units undergo pre-shipment inspection (PSI). If there is an issue with D1213A-01WS-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-01WS-7 part is unused and in its original packaging.
Return procedure for D1213A-01WS-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
D1213A-01WS-7 Tags
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ESD9B5.0ST5G
onsemi
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DESD3V3E1BL-7B
Diodes Incorporated
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onsemi
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Diodes Incorporated
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Diodes Incorporated
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Diodes Incorporated
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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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