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Diodes Incorporated D1213A-04S-7
- Part No.:
- D1213A-04S-7
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- 6-TSSOP, SC-88, SOT-363
- Datasheet:
-
D1213A-04S-7.pdf
- Description:
- TVS DIODE 3.3VWM 10VC SOT363
- Quantity:
- Payment:
- Shipping:
Inventory:183,952
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Product details
Overview
D1213A-04S from Diodes Incorporated is a 4-channel low-capacitance TVS diode array designed for ESD protection of high-speed data lines. It features ±15kV air/±8kV contact IEC 61000-4-2 ESD rating, 0.85pF typical channel capacitance, 6.0V reverse breakdown voltage, and clamping voltages of 10.0V (positive) and –1.7V (negative) at 1A, deployed in USB 2.0, HDMI, and SATA interfaces.
For engineers reviewing the D1213A-04S datasheet, D1213A-04S pinout, D1213A-04S application, or D1213A-04S equivalent, key selection criteria include channel count, sub-1pF input capacitance, bidirectional clamping symmetry, JEDEC-qualified reliability, and SOT363 footprint compatibility with high-speed signal integrity constraints.
Technical Context
This device implements a quad-channel, bidirectional TVS array with independent anode-cathode paths per channel referenced to VP (positive rail) and VN (negative rail). Each channel provides symmetrical transient clamping with VBR = 6.0V (min), VCL1 = 10.0V @ +1A, and VCL2 = –1.7V @ –1A under 8/20µs pulses.
Its ultra-low 0.85pF typical input capacitance minimizes signal distortion on differential or single-ended high-speed buses. The SOT363 package supports compact layout with thermal resistance RθJA = 625°C/W on standard FR-4, enabling operation from –55°C to +150°C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| ESD Rating (IEC 61000-4-2) | Air ±15kV / Contact ±8kV - meets industrial and consumer interface immunity requirements |
| Channel Input Capacitance | 0.85pF typical - preserves signal integrity on USB 2.0 (480Mbps) and HDMI 1.4 channels |
| Reverse Breakdown Voltage | 6.0V min at 1mA - ensures reliable turn-on before damage to downstream 3.3V/5V logic |
| Clamping Voltage (+1A) | 10.0V max - limits transient overvoltage to safe levels for 5V-tolerant I/O cells |
| Clamping Voltage (–1A) | –1.7V max - protects against negative transients without forward-biasing receiver inputs |
| Leakage Current | 1.0µA max at 5V - avoids DC loading on high-impedance data lines |
| Power Dissipation | 200mW - supports continuous operation with derating above 25°C ambient |
Pinout & Package
SOT363 6-pin surface-mount package with exposed pad-less construction, 2.15mm × 2.10mm footprint, 0.65mm pitch, and UL 94V-0 molded plastic body weighing 0.006g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (CH1) | Channel 1 Anode | ESD current path from protected line to VP rail during positive transients |
| 2 (CH2) | Channel 2 Anode | Independent ESD path for second high-speed signal line |
| 3 (VP) | Positive Supply Rail | Common anode connection point for all four top diodes; ties to system VCC |
| 4 (CH4) | Channel 4 Cathode | ESD current path from protected line to VN rail during negative transients |
| 5 (CH3) | Channel 3 Cathode | Independent ESD path for third signal line referenced to ground |
| 6 (VN) | Negative Supply Rail | Common cathode connection for all four bottom diodes; typically tied to GND |
Key Features
| Feature | Design Value |
|---|---|
| Quad-channel ESD protection | Four independent, matched TVS paths in one SOT363 package - reduces board area vs. discrete solutions |
| Low dynamic resistance | 0.9Ω typical - enables fast clamping response and lower let-through voltage |
| JEDEC-qualified reliability | Qualified to AEC-Q101 stress test standards - suitable for automotive-grade designs with PPAP capability |
| Green RoHS compliance | Lead-free, halogen-free, antimony-free - meets EU RoHS 3 (2015/863/EU) and IATF 16949 manufacturing requirements |
| Thermal robustness | RθJA = 625°C/W on FR-4 - supports stable operation up to +150°C junction temperature |
Applications
| USB 2.0 Interface Protection | HDMI 1.4 Data Lane Protection |
|---|---|
Use Scenario: Protecting D+ and D– lines of USB 2.0 host/device ports against ESD events during hot-plug insertion. IC Role / Device Role / Timing Role: Bidirectional transient voltage suppressor placed directly at connector entry point. Use Value: 0.85pF capacitance prevents eye diagram degradation; ±8kV contact rating exceeds USB-IF compliance thresholds. | Use Scenario: Safeguarding TMDS clock and data pairs in HDMI 1.4 source/sink devices against electrostatic discharge. IC Role / Device Role / Timing Role: Low-capacitance clamp between each differential pair and power rails (VP/VN). Use Value: Symmetrical clamping (10.0V/+1A, –1.7V/–1A) maintains common-mode noise rejection and signal swing integrity. |
| SATA Gen II Transceiver Protection | IEEE 1394b (FireWire) Port Protection |
Use Scenario: Shielding SATA TX/RX differential lanes from ESD during cable mating in storage enclosures and motherboards. IC Role / Device Role / Timing Role: Per-lane TVS array connected across differential signals and local 3.3V/GND rails. Use Value: 6.0V VBR aligns with SATA I/O voltage tolerance; 200mW PD supports intermittent surge handling without thermal runaway. | Use Scenario: Hardening IEEE 1394b physical layer transceivers in digital camcorders and audio interfaces against user-handling ESD. IC Role / Device Role / Timing Role: Four-channel clamp protecting data, control, and power pins in legacy FireWire connectors. Use Value: ±15kV air discharge rating exceeds IEC 61000-4-2 Level 4; SOT363 footprint fits tight connector-side routing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar TVS diode array applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SP1006-04UTG | 0.5pF typical capacitance; lower 5.5V VBR; 300mW PD | Better suited for 2.5V/3.3V-only systems requiring tighter clamping | Select when lower capacitance and tighter VBR tolerance outweigh higher cost and reduced 5V margin |
| ESD5V3U4-2/TR | 1.0pF typical capacitance; 5.3V VBR; 150mW PD; different SOT23-6 pinout | Compatible with legacy PCB layouts using SOT23-6 footprints | Choose for drop-in replacement where SOT363 rework is not feasible and 1pF capacitance is acceptable |
Compared with SP1006-04UTG and ESD5V3U4-2/TR, D1213A-04S offers balanced 0.85pF capacitance and 6.0V VBR for mixed 3.3V/5V interfaces, JEDEC qualification for extended temperature use, and optimized SOT363 routing for new high-density designs.
Availability
D1213A-04S is available at Aetrix Electronics and suitable for USB 2.0 interface protection, HDMI 1.4 data lane hardening, and SATA Gen II transceiver safeguarding requiring stable component supply across production lifecycles.
Supply support for D1213A-04S 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-04S belongs to Diodes' ESD protection product line, engineered specifically for high-speed serial interface resilience-prioritizing ultra-low capacitance, precise clamping symmetry, and automotive-grade reliability in compact packages.
FAQ
What is the maximum operating voltage range for D1213A-04S?
The D1213A-04S operates with a VP–VN supply range of 6.0V DC maximum. Its specified operating supply voltage is 3.3V to 5.5V, supporting both 3.3V and 5V logic systems. Channel inputs tolerate (VN – 0.5V) to (VP + 0.5V), allowing safe use with signals swinging slightly beyond rail limits during transients.
How does the dual-rail architecture (VP and VN) improve protection performance?
The VP/VN dual-rail structure enables independent clamping of positive and negative transients to separate supply references-reducing ground bounce and improving noise immunity. Unlike single-rail TVS arrays, this architecture delivers asymmetric clamping (10.0V positive, –1.7V negative), which better matches the voltage tolerances of modern I/O buffers and avoids forward-biasing receiver inputs during negative surges.
Is D1213A-04S qualified for automotive applications?
Yes-the D1213A-04S is qualified to JEDEC standards referenced in AEC-Q101 and manufactured in IATF 16949 certified facilities. While the base part is not automotive-grade by default, Diodes offers Q-suffix variants (e.g., D1213AQ-04S) with full PPAP documentation and AEC-Q101 qualification for automotive use cases.
Can D1213A-04S be used on differential pairs without degrading signal integrity?
Yes-its 0.85pF typical channel capacitance and matched diode characteristics ensure minimal skew and impedance discontinuity on differential lines like USB 2.0 D+/D– or HDMI TMDS pairs. Application Note AN77 from Diodes confirms preserved eye diagrams at 480Mbps with this device, validating its suitability for differential high-speed protection without equalization or compensation.
D1213A-04S-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Package/Case:
- 6-TSSOP, SC-88, SOT-363
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Steering (Rail to Rail)
- Unidirectional Channels:
- 4
- 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:
- -55°C ~ 150°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-363
D1213A-04S-7 FAQ
1.How can I place an order for D1213A-04S-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for D1213A-04S-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-04S-7 reliable?
The price and inventory of D1213A-04S-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-04S-7 is usually 5 days.
3.What payment methods are accepted for D1213A-04S-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for D1213A-04S-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for D1213A-04S-7?
D1213A-04S-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your D1213A-04S-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-04S-7?
For technical support, including D1213A-04S-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your D1213A-04S-7 requirements.
6.How does Aetrix verify that D1213A-04S-7 is sourced from the original manufacturer or authorized distributors?
All D1213A-04S-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-04S-7 meets industry standards.
7.What is the process for return or replacement of D1213A-04S-7?
All D1213A-04S-7 units undergo pre-shipment inspection (PSI). If there is an issue with D1213A-04S-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-04S-7 part is unused and in its original packaging.
Return procedure for D1213A-04S-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
D1213A-04S-7 Tags
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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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Diodes Incorporated
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