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Diodes Incorporated DT1452-02SO-7
- Part No.:
- DT1452-02SO-7
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
DT1452-02SO-7.pdf
- Description:
- TVS DIODE 5.5VWM 11VC SOT23
- Quantity:
- Payment:
- Shipping:
Inventory:80,119
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Product details
Overview
DT1452-02SO-7 from Diodes Incorporated is a 2-channel, low-capacitance TVS diode array designed for high-speed data line ESD protection. It delivers ±16 kV IEC 61000-4-2 contact/air ESD immunity, 12 A IEC 61000-4-5 lightning surge capability, and 1.2 pF typical channel input capacitance, making it suitable for USB 2.0, HDMI, and SATA interfaces.
For engineers reviewing the DT1452-02SO-7 datasheet, DT1452-02SO-7 pinout, DT1452-02SO-7 application, or DT1452-02SO-7 equivalent, key selection criteria include clamping voltage at 12 A (9.5 V), reverse working voltage (5.5 V), dynamic resistance (0.22 Ω), thermal resistance (417 °C/W), and SOT23 package compatibility with high-density PCB layouts.
Technical Context
This dual-channel TVS array uses bidirectional avalanche diodes configured between each I/O line and VSS to provide symmetrical transient suppression. Its low 1.2 pF input capacitance ensures minimal signal integrity impact on 480 Mbps USB 2.0 and 1.5 Gbps DVI/HDMI links.
The device operates within –55°C to +150°C and features a 7–10 V reverse breakdown voltage (VBR) at 1 mA, with clamping voltages of 7.5 V at 5 A and 9.5 V at 12 A under 8/20 µs surges - enabling robust protection without compromising timing margins in high-speed serial interfaces.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| ESD Rating (IEC 61000-4-2) | ±16 kV contact & air discharge - meets industrial-grade ESD immunity requirements for exposed ports |
| Lightning Surge (IEC 61000-4-5) | 12 A (8/20 µs) - protects against induced surges on board-level interconnects |
| Channel Input Capacitance | 1.2 pF typical at 2.5 V - preserves signal rise/fall times in USB 2.0 and HDMI 1.4 channels |
| Reverse Working Voltage (VRWM) | 5.5 V - supports 3.3 V and 5 V logic rails with margin against false triggering |
| Clamping Voltage (VC) | 9.5 V at 12 A - limits transient overvoltage to safe levels for downstream PHY ICs |
| Dynamic Resistance (RDIF) | 0.22 Ω - enables fast response and low-voltage overshoot during EFT events |
| Thermal Resistance (RθJA) | 417 °C/W - requires minimal copper area for thermal management on standard FR-4 |
Pinout & Package
SOT23-3L package: compact surface-mount outline with gull-wing leads, moisture sensitivity level 1, and matte tin lead finish compliant with MIL-STD-202 solderability requirements.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| I/O 1 | Protected Data Line 1 | Input/output terminal for first high-speed signal path (e.g., USB D+) |
| I/O 2 | Protected Data Line 2 | Input/output terminal for second high-speed signal path (e.g., USB D–) |
| VSS | Common Ground Reference | Shared cathode connection for both TVS channels; must be low-inductance ground plane |
Key Features
| Feature | Design Value |
|---|---|
| Low Capacitance Architecture | 1.2 pF typical per channel - avoids signal distortion and bit error rate degradation in 480 Mbps USB 2.0 links |
| IEC 61000-4-4 EFT Robustness | 55 A (5/50 ns) - withstands repetitive fast transients common in industrial power supply environments |
| Green Compliance | Halogen- and antimony-free, RoHS-compliant - satisfies environmental mandates for consumer and medical electronics |
| Thermal Stability | –55°C to +150°C operating range - supports deployment in automotive infotainment and industrial control enclosures |
Applications
| USB 2.0 Interface Protection | HDMI 1.4 Signal Line Protection |
|---|---|
Use Scenario: Protecting differential D+/D− lines on host/device USB 2.0 ports against ESD events during cable insertion. IC Role / Device Role / Timing Role: Bidirectional TVS clamp placed immediately before the USB transceiver PHY to limit transient voltage excursion. Use Value: 1.2 pF capacitance prevents rise time degradation; 9.5 V clamping at 12 A ensures PHY IO remains below absolute maximum ratings. | Use Scenario: Safeguarding TMDS clock/data pairs in HDMI 1.4 source devices (e.g., set-top boxes) against user-handling ESD. IC Role / Device Role / Timing Role: Low-capacitance shunt protector on each TMDS channel, referenced to chassis ground via VSS. Use Value: Symmetrical ±16 kV ESD rating and sub-10 V clamping preserve eye diagram integrity at 165 MHz pixel clock rates. |
| SATA II Data Lane Protection | DVI-D Dual-Link Interface Protection |
Use Scenario: ESD hardening of SATA II TX/RX differential pairs in SSD controller modules and motherboard backplanes. IC Role / Device Role / Timing Role: Per-lane TVS array placed adjacent to SATA connector to minimize stub length and inductance. Use Value: 0.22 Ω dynamic resistance enables rapid clamping response (<1 ns), limiting overshoot to <10 V during 15 kV contact discharge. | Use Scenario: Transient suppression on DVI-D dual-link TMDS channels in digital signage controllers and graphics cards. IC Role / Device Role / Timing Role: Channel-isolated TVS element per TMDS pair, with shared VSS return to reduce component count. Use Value: 5.5 V VRWM aligns with DVI 3.3 V signaling; 1.2 pF capacitance maintains signal fidelity up to 1.65 Gbps per lane. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar TVS diode array applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SP1003-02UTG | 0.8 pF typical capacitance; lower 6.5 V clamping at 12 A; 300 W peak power | Better suited for >1 Gbps interfaces (e.g., USB 3.0 Gen1); tighter clamping margin | Select when lower capacitance and stricter voltage clamping are required for next-gen serial links |
| ESD5Z3.3T5G | Single-channel; 3.3 V VRWM; 12 V clamping at 12 A; 0.6 pF capacitance | Requires two devices per differential pair; higher board area; optimized for 3.3 V-only systems | Choose for cost-sensitive, single-line protection where dual-channel integration is not mandatory |
Compared with SP1003-02UTG and ESD5Z3.3T5G, DT1452-02SO-7 offers optimal balance of dual-channel integration, 5.5 V VRWM headroom for mixed-voltage systems, and proven 480 Mbps USB 2.0 compatibility - making it preferred for legacy high-speed interface designs requiring minimal layout change.
Availability
DT1452-02SO-7 is available at Aetrix Electronics and suitable for USB 2.0 interface protection, HDMI 1.4 signal line hardening, and SATA II data lane safeguarding requiring stable component supply across production lifecycles.
Supply support for DT1452-02SO-7 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, signal integrity, and power management solutions for industrial, computing, and consumer markets.
The DT1452-02SO-7 belongs to Diodes' TVS Diode Array product line, engineered specifically for low-capacitance, multi-channel ESD protection of high-speed serial interfaces without signal integrity compromise.
FAQ
What is the maximum clamping voltage of DT1452-02SO-7 at 12 A surge current?
The DT1452-02SO-7 exhibits a maximum reverse clamping voltage of 9.5 V at 12 A (8/20 µs waveform), measured between I/O and VSS terminals. This value is specified in the Electrical Characteristics table of DS36355 Rev. 3-2 and ensures downstream ICs remain within safe operating voltage limits during lightning-surge events.
Can DT1452-02SO-7 be used for USB 3.0 (5 Gbps) applications?
No - DT1452-02SO-7 is characterized for USB 2.0 (480 Mbps) and lower-speed interfaces. Its 1.2 pF typical capacitance and frequency response are validated up to ~500 MHz; USB 3.0 requires sub-0.5 pF devices like SP1003-02UTG to maintain signal integrity at 2.5 GHz fundamental frequencies.
Is the SOT23-3L package of DT1452-02SO-7 compatible with standard reflow profiles?
Yes - the device is rated for moisture sensitivity level 1 per J-STD-020 and features matte tin-plated leads qualified to MIL-STD-202 Method 208. It supports standard Pb-free reflow profiles with peak temperatures up to 260°C, provided the recommended pad layout (AP02001) is followed to ensure thermal reliability.
Does DT1452-02SO-7 require external biasing or control signals?
No - DT1452-02SO-7 is a passive, bidirectional TVS diode array with no control pins or bias requirements. It operates solely through avalanche breakdown between I/O and VSS terminals and functions autonomously during transient events without power or configuration.
DT1452-02SO-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:
- Zener
- Unidirectional Channels:
- 2
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 5.5V (Max)
- Voltage - Breakdown (Min):
- 7V
- Voltage - Clamping (Max) @ Ipp:
- 11V
- Current - Peak Pulse (10/1000µs):
- 5A (8/20µs)
- Power - Peak Pulse:
- -
- Power Line Protection:
- Yes
- Applications:
- HDMI
- Capacitance @ Frequency:
- 1.2pF @ 1MHz
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-3
DT1452-02SO-7 FAQ
1.How can I place an order for DT1452-02SO-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for DT1452-02SO-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 DT1452-02SO-7 reliable?
The price and inventory of DT1452-02SO-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DT1452-02SO-7 is usually 5 days.
3.What payment methods are accepted for DT1452-02SO-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DT1452-02SO-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DT1452-02SO-7?
DT1452-02SO-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DT1452-02SO-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 DT1452-02SO-7?
For technical support, including DT1452-02SO-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DT1452-02SO-7 requirements.
6.How does Aetrix verify that DT1452-02SO-7 is sourced from the original manufacturer or authorized distributors?
All DT1452-02SO-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 DT1452-02SO-7 meets industry standards.
7.What is the process for return or replacement of DT1452-02SO-7?
All DT1452-02SO-7 units undergo pre-shipment inspection (PSI). If there is an issue with DT1452-02SO-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 DT1452-02SO-7 part is unused and in its original packaging.
Return procedure for DT1452-02SO-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DT1452-02SO-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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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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