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Diodes Incorporated DT1140-04LP-7
- Part No.:
- DT1140-04LP-7
- Manufacturer:
- Diodes Incorporated
- Category:
- TVS Diodes
- Package:
- 10-UFDFN
- Datasheet:
-
DT1140-04LP-7.pdf
- Description:
- TVS DIODE 5.5VWM 10VC U-DFN2510
- Quantity:
- Payment:
- Shipping:
Inventory:126,353
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Product details
Overview
DT1140-04LP from Diodes Incorporated is a 4-channel low-capacitance TVS diode array designed for ESD and surge protection on high-speed data lines. It delivers 9V clamping at 6A (8/20µs), 0.5pF typical channel capacitance, and ±20kV IEC 61000-4-2 air discharge rating - deployed in USB 2.0, HDMI™, and Ethernet port interfaces.
For engineers reviewing the DT1140-04LP datasheet, DT1140-04LP pinout, DT1140-04LP application, or DT1140-04LP equivalent, key selection criteria include dynamic resistance (0.25Ω), low clamping voltage under transient stress, I/O-to-VSS configuration, and U-DFN2510-10 package compatibility with high-density PCB layouts.
Technical Context
This device implements four independent bidirectional TVS diodes between I/O pins and VSS, each with a reverse breakdown voltage of 6V and holding voltage of 5.5V. Its low 0.5pF input capacitance ensures minimal signal integrity degradation on differential high-speed links up to 480 Mbps.
The clamping behavior is characterized by 9V at 10A TLP (100ns) and 9V at 6A (8/20µs), with dynamic resistance measured at 0.25Ω in both forward and reverse directions - enabling fast response and low voltage overshoot during ESD events.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Clamping Voltage | 9V at 6A (8/20µs); limits transient overvoltage to safe levels for downstream ICs |
| Channel Capacitance | 0.5pF typical at 2.5V; preserves signal rise/fall times in USB 2.0 and HDMI applications |
| ESD Rating | ±20kV air / ±16kV contact per IEC 61000-4-2; meets industrial and consumer immunity requirements |
| Peak Pulse Current | 6A per channel (8/20µs); withstands lightning-induced surges per IEC 61000-4-5 |
| Reverse Working Voltage | 5.5V; supports 5V logic-level interfaces without leakage or false triggering |
| Dynamic Resistance | 0.25Ω (TLP, 10A); reduces voltage overshoot during fast transients |
Pinout & Package
Package: U-DFN2510-10 (2.5mm × 1.0mm × 0.575mm), lead-free, halogen-free, moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 4, 5 | I/O Channel Terminal | Each connects to one protected data line (e.g., USB D+, D−, HDMI TMDS+/-) |
| 3, 8 | VSS | Common cathode reference node tied to system ground plane for all four channels |
| 6, 7, 9, 10 | No Connection | Unbonded die pads; must remain floating - no PCB trace or thermal pad connection |
Key Features
| Feature | Design Value |
|---|---|
| Low Capacitance Protection | 0.5pF typical per channel enables use on 480 Mbps USB 2.0 without signal distortion |
| Multi-Standard ESD Compliance | Passes IEC 61000-4-2 (±20kV air) and IEC 61000-4-5 (±6A lightning) without external filtering |
| Thermally Robust Layout | U-DFN2510-10 footprint supports high-current pulse dissipation via exposed copper pad under VSS pins |
| Automotive-Qualified Variant | DT1140-04LPQ version available with AEC-Q200 qualification for infotainment and ADAS interfaces |
Applications
| USB 2.0 Interface Protection | HDMI™ TMDS Line Protection |
|---|---|
Use Scenario: Protecting upstream/downstream USB 2.0 ports against ESD events during cable insertion and hot-plug operation. IC Role / Device Role / Timing Role: Bidirectional TVS clamp placed directly at connector, shunting transients from D+ and D− to ground before reaching PHY IC. Use Value: 0.5pF capacitance avoids signal integrity loss at 480 Mbps; 9V clamping prevents PHY latch-up or damage. | Use Scenario: Safeguarding HDMI source/sink TMDS differential pairs against contact ESD during display cable mating. IC Role / Device Role / Timing Role: Four-channel array protects three TMDS pairs plus CEC line, with common VSS return path. Use Value: 0.5pF per channel maintains differential impedance and eye diagram integrity at 2.25 Gbps. |
| Ethernet PHY Port Protection | PCI Express® Gen1/Gen2 Lane Protection |
Use Scenario: Shielding 10/100/1000BASE-T Ethernet magnetics secondary side from ESD coupling through RJ45 jack. IC Role / Device Role / Timing Role: One DT1140-04LP protects four twisted-pair lanes (TX+/−, RX+/−) referenced to local PHY ground. Use Value: 6A IEC 61000-4-5 surge rating handles induced lightning surges; low capacitance avoids jitter accumulation. | Use Scenario: Adding board-level ESD robustness to PCIe Gen1 (2.5 GT/s) or Gen2 (5 GT/s) edge connectors and routing stubs. IC Role / Device Role / Timing Role: Clamps transients on two differential lanes (e.g., TX0+/−, RX0+/−) with matched channel capacitance. Use Value: 0.5pF matching minimizes skew between differential signals; 9V clamping stays below PCIe receiver absolute max rating. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SZ1.8C-4 | Higher clamping voltage (12V at 6A), 0.8pF capacitance, SOT-23-6 package | Less suitable for >480 Mbps interfaces due to higher capacitance and slower response | Prefer when cost sensitivity outweighs speed requirements and layout space allows larger package |
| TPD4E001DPYR | 0.5pF capacitance, but 12V clamping at 6A and lower ESD rating (±12kV contact) | Marginally compliant for HDMI 1.4 or USB 2.0 in harsh environments | Select only if supply chain constraints require TI-sourced devices and system-level testing confirms margin |
Compared with SZ1.8C-4 and TPD4E001DPYR, DT1140-04LP offers superior high-speed interface support via tighter clamping (9V vs. ≥12V), lower dynamic resistance (0.25Ω vs. ≥0.5Ω), and optimized U-DFN2510-10 footprint for dense routing - making it preferred for HDMI, USB 2.0, and PCIe Gen1/2 designs where signal fidelity and compactness are critical.
Availability
DT1140-04LP is available at Aetrix Electronics and suitable for USB 2.0 interface protection, HDMI™ TMDS line safeguarding, and Ethernet PHY port hardening requiring stable component supply across production lifecycles.
Supply support for DT1140-04LP 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 for industrial, computing, and consumer markets.
The DT1140-04LP belongs to Diodes' low-capacitance TVS array product line, engineered specifically for ESD and surge protection of high-speed serial interfaces without compromising signal integrity or board space.
FAQ
What is the maximum operating voltage for DT1140-04LP?
The DT1140-04LP has a reverse working voltage (VRWM) of 5.5V DC, meaning it can safely operate on 5V nominal interfaces such as USB 2.0 and HDMI without leakage or false triggering. Its reverse breakdown voltage is specified at 6V minimum, ensuring reliable clamping onset above normal operating conditions while staying within safe margins for 5V logic systems.
Can DT1140-04LP be used on differential high-speed signals like HDMI or PCIe?
Yes - its 0.5pF typical channel capacitance, matched pin-to-pin layout, and bidirectional clamping make it suitable for differential high-speed interfaces including HDMI TMDS, USB 2.0, and PCIe Gen1/Gen2. The low capacitance minimizes signal distortion and jitter, while the 9V clamping voltage remains well below the absolute maximum ratings of common PHY receivers in these standards.
How does the U-DFN2510-10 package affect thermal performance?
The U-DFN2510-10 package features an exposed copper leadframe at pins 3 and 8 (VSS), enabling efficient heat dissipation during transient events. With a typical thermal resistance of 360°C/W (junction-to-ambient), optimal PCB layout - including a solid thermal pad connected to a ground plane - is required to sustain repeated 6A pulses per IEC 61000-4-5 without exceeding junction temperature limits.
Is there an automotive-qualified version of DT1140-04LP?
Yes - the DT1140-04LPQ is the automotive-qualified variant, qualified to AEC-Q200 standards for temperature cycling, humidity, and mechanical shock. It shares identical electrical specifications and pinout with DT1140-04LP but undergoes additional screening and traceability controls required for automotive infotainment, ADAS camera links, and body control modules.
DT1140-04LP-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Package/Case:
- 10-UFDFN
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Steering (Rail to Rail)
- Unidirectional Channels:
- 4
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 5.5V (Max)
- Voltage - Breakdown (Min):
- 6V
- Voltage - Clamping (Max) @ Ipp:
- 10V
- Current - Peak Pulse (10/1000µs):
- 6A (8/20µs)
- Power - Peak Pulse:
- 60W
- Power Line Protection:
- Yes
- Applications:
- Ethernet, HDMI
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -55°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- U-DFN2510-10
DT1140-04LP-7 FAQ
1.How can I place an order for DT1140-04LP-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for DT1140-04LP-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 DT1140-04LP-7 reliable?
The price and inventory of DT1140-04LP-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DT1140-04LP-7 is usually 5 days.
3.What payment methods are accepted for DT1140-04LP-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DT1140-04LP-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DT1140-04LP-7?
DT1140-04LP-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DT1140-04LP-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 DT1140-04LP-7?
For technical support, including DT1140-04LP-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DT1140-04LP-7 requirements.
6.How does Aetrix verify that DT1140-04LP-7 is sourced from the original manufacturer or authorized distributors?
All DT1140-04LP-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 DT1140-04LP-7 meets industry standards.
7.What is the process for return or replacement of DT1140-04LP-7?
All DT1140-04LP-7 units undergo pre-shipment inspection (PSI). If there is an issue with DT1140-04LP-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 DT1140-04LP-7 part is unused and in its original packaging.
Return procedure for DT1140-04LP-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DT1140-04LP-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
-
ESD5Z5.0T1G
onsemi
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DESD5V0U1BB-7
Diodes Incorporated
-
D12V0L1B2LP-7B
Diodes Incorporated
-
PESD2V0Y1BSFYL
Nexperia USA Inc.
-
DF2S5M4CT,L3F
Toshiba Semiconductor and Storage
-
D5V0L1B2WS-7
Diodes Incorporated
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