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Diodes Incorporated D1213A-01SO-7
- Part No.:
- D1213A-01SO-7
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
D1213A-01SO-7.pdf
- Description:
- TVS DIODE 3.3VWM 10VC SOT23
- Quantity:
- Payment:
- Shipping:
Inventory:181,876
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Product details
Overview
D1213A-01SO 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 channel capacitance, ±8 kV contact / ±15 kV air IEC 61000-4-2 ESD rating, and clamping voltages of 10.0 V (positive) and –1.7 V (negative) at 1 A, making it suitable for USB 2.0, HDMI, and Serial ATA interfaces.
For engineers reviewing the D1213A-01SO datasheet, D1213A-01SO pinout, D1213A-01SO application, or D1213A-01SO equivalent, key selection criteria include channel input capacitance, ESD robustness, clamping voltage symmetry, reverse breakdown threshold, and SOT23 package compatibility with high-density PCB layouts.
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 over –65°C to +150°C and supports supply voltages from 3.3 V to 5.5 V.
Its low dynamic resistance (0.9 Ω) ensures fast transient response during ESD events, while its 6.0 V minimum reverse breakdown voltage (VBR) provides reliable overvoltage thresholding before clamping activation. The device is qualified to AEC-Q101 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 consumer interface immunity requirements |
| Channel Capacitance | 0.85 pF typical at 1 MHz - preserves signal integrity on USB 2.0 (480 Mbps) and HDMI 1.4 links |
| Clamping Voltage (IPP = 1 A) | +10.0 V / –1.7 V - limits transient overvoltage to safe levels for 3.3 V/5 V logic receivers |
| Reverse Breakdown Voltage | 6.0 V min at IR = 1 mA - establishes precise turn-on threshold above normal operating voltage |
| Leakage Current | ±0.1 µA typical at 5 V - negligible loading on high-impedance data lines |
| Package | SOT23 - surface-mount footprint compatible with automated assembly and space-constrained layouts |
Pinout & Package
Package: SOT23 - three-terminal plastic molded case, 2.9 mm × 1.3 mm × 1.0 mm, matte tin-plated Alloy 42 leadframe, moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (CH1) | Protected signal input | Primary I/O node routed to high-speed interface (e.g., USB D+, HDMI TMDS+) |
| 2 (VN) | Negative supply rail | Reference terminal tied to ground or negative bias; forms cathode path for negative transients |
| 3 (VP) | Positive supply rail | Reference terminal tied to VCC; forms anode path for positive transients |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail clamping topology | Enables bidirectional transient suppression without external biasing-reduces BOM count and layout complexity |
| AEC-Q101 qualification | Validated for automotive infotainment and ADAS subsystems requiring extended temperature and reliability compliance |
| 0.85 pF channel capacitance | Minimizes signal distortion and insertion loss on 480 Mbps USB 2.0 differential pairs |
| Green, halogen-free construction | Meets IPC-1752A material declaration requirements and EU RoHS 2 (2011/65/EU) compliance |
Applications
| USB 2.0 Interface Protection | HDMI 1.4 Signal Line Protection |
|---|---|
Use Scenario: Protecting D+ and D– lines in portable USB host/device ports against electrostatic discharge during hot-plug events. IC Role / Device Role / Timing Role: Bidirectional TVS clamp placed directly at connector, referenced to 3.3 V supply and ground. Use Value: 0.85 pF capacitance avoids eye diagram closure; ±8 kV contact rating exceeds IEC 61000-4-2 system-level test requirement. | Use Scenario: Safeguarding TMDS+ and TMDS– channels in HDMI source/sink devices against ESD during cable mating/unmating. IC Role / Device Role / Timing Role: Single-channel array deployed per differential pair, with VP tied to 3.3 V and VN to ground. Use Value: Symmetrical clamping (–1.7 V / +10.0 V) prevents receiver latch-up while maintaining DC common-mode range. |
| Serial ATA (SATA) Gen II Data Lines | IEEE 1394 (FireWire) Physical Layer |
Use Scenario: Shielding SATA TX/RX differential lanes in notebook storage controllers from handling-induced ESD. IC Role / Device Role / Timing Role: One D1213A-01SO per lane, mounted within 5 mm of edge connector to minimize inductance. Use Value: 6.0 V VBR ensures no conduction during 0.5 V common-mode swing; 0.9 Ω RDYN enables sub-nanosecond response. | Use Scenario: Hardening FireWire 400 PHY interfaces in digital camcorders and audio interfaces against repeated plug/unplug stress. IC Role / Device Role / Timing Role: Channel-protected signal line referenced to 1.8 V or 3.3 V supply rails per link layer specification. Use Value: Low leakage (<0.1 µA) prevents baseline shift in high-impedance 1394 termination networks. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar TVS diode array applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SP1001-01UTG | 0.35 pF capacitance, ±12 kV air ESD, SOD-323 package | Better suited for >1 Gbps interfaces (e.g., USB 3.0); smaller footprint but lower power handling | Select when ultra-low capacitance is prioritized over peak pulse current robustness |
| ESD5Z3.3T5G | Single-line unidirectional TVS, 3.3 V working voltage, 0.65 pF | Lacks rail-to-rail clamping; requires separate ground reference and cannot suppress negative transients below VN | Choose only for unidirectional biasing schemes where negative excursions are absent |
Compared with SP1001-01UTG and ESD5Z3.3T5G, D1213A-01SO uniquely balances low capacitance (0.85 pF), full bidirectional clamping, and 5 A peak pulse capability in SOT23-making it optimal for cost-sensitive, space-constrained USB 2.0 and HDMI 1.4 designs requiring AEC-Q101 validation.
Availability
D1213A-01SO 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 across production lifecycles.
Supply support for D1213A-01SO 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, with design, manufacturing, and sales operations across Asia, Europe, and the Americas.
The D1213A-01SO belongs to Diodes' ESD protection product line, engineered specifically for high-speed serial interface resilience-emphasizing low capacitance, rail-to-rail clamping, and automotive-grade reliability in compact packages.
FAQ
What is the maximum recommended trace length between D1213A-01SO and the protected connector?
For optimal ESD performance, place the device within 5 mm of the connector pad. Longer traces increase inductance, degrading clamping speed and allowing voltage overshoot beyond the specified 10.0 V / –1.7 V levels during 8/20 µs transients. The SOT23 footprint supports direct placement adjacent to USB or HDMI edge connectors.
Can D1213A-01SO be used on 1.8 V logic interfaces?
Yes-its 6.0 V minimum breakdown voltage ensures no conduction during normal 1.8 V operation, and its ±0.1 µA leakage at 5 V extrapolates to sub-100 nA at 1.8 V. However, clamping effectiveness remains optimized for 3.3 V/5 V systems; verify system-level ESD margin with actual 1.8 V rail decoupling.
Does D1213A-01SO require external biasing components?
No-its rail-to-rail architecture uses VP and VN as direct references, eliminating need for pull-up/pull-down resistors or bias networks. VP must be connected to the interface's positive supply (e.g., 3.3 V), VN to ground or negative rail; no additional passive components are required for basic ESD protection functionality.
How does thermal derating affect power dissipation at 105°C ambient?
At 105°C ambient, the device's power dissipation must be reduced to approximately 180 mW per the Figure 1 derating curve-60% of its 300 mW rated value at 25°C. This ensures junction temperature stays within the –65°C to +150°C operating limit under sustained surge conditions.
D1213A-01SO-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- 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-23-3
D1213A-01SO-7 FAQ
1.How can I place an order for D1213A-01SO-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for D1213A-01SO-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-01SO-7 reliable?
The price and inventory of D1213A-01SO-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-01SO-7 is usually 5 days.
3.What payment methods are accepted for D1213A-01SO-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for D1213A-01SO-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for D1213A-01SO-7?
D1213A-01SO-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your D1213A-01SO-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-01SO-7?
For technical support, including D1213A-01SO-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your D1213A-01SO-7 requirements.
6.How does Aetrix verify that D1213A-01SO-7 is sourced from the original manufacturer or authorized distributors?
All D1213A-01SO-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-01SO-7 meets industry standards.
7.What is the process for return or replacement of D1213A-01SO-7?
All D1213A-01SO-7 units undergo pre-shipment inspection (PSI). If there is an issue with D1213A-01SO-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-01SO-7 part is unused and in its original packaging.
Return procedure for D1213A-01SO-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
D1213A-01SO-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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D5V0H1B2LP-7B
Diodes Incorporated
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D5V0P1B2LP-7B
Diodes Incorporated
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DESD5V0U1BA-7
Diodes Incorporated
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ESD5Z5.0T1G
onsemi
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DESD5V0U1BB-7
Diodes Incorporated
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D12V0L1B2LP-7B
Diodes Incorporated
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PESD2V0Y1BSFYL
Nexperia USA Inc.
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DF2S5M4CT,L3F
Toshiba Semiconductor and Storage
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Diodes Incorporated
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