onsemi ESD11L5.0DT5G
- Part No.:
- ESD11L5.0DT5G
- Manufacturer:
- onsemi
- Category:
- TVS Diodes
- Package:
- SOT-1123
- Datasheet:
-
ESD11L5.0DT5G.pdf
- Description:
- TVS DIODE 5VWM SOT1123
- Quantity:
- Payment:

- Shipping:

Inventory:9,653
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Product details
Overview
ESD11L5.0DT5G from onsemi is a unidirectional ESD protection diode designed to safeguard high-speed signal lines such as USB 2.0 and antenna interfaces. It delivers ultra-low 0.5 pF capacitance (unidirectional), 5.0 V stand-off voltage, <1.0 ns response time, and IEC 61000-4-2 Level 4 (±10 kV contact) ESD immunity in a space-constrained SOT-1123 package.
For engineers reviewing the ESD11L5.0DT5G datasheet, pinout, applications, or equivalent options, key selection criteria include clamping voltage under 8 kV ESD stress, bi-directional effective capacitance of 0.25 pF, AEC-Q101 qualification, and compatibility with high-frequency analog/RF signal paths requiring minimal parasitic loading.
Technical Context
The ESD11L5.0DT5G implements a dual-cathode, single-anode topology enabling flexible configuration for either two unidirectional lines or one bidirectional line. Its clamping behavior is characterized using the IEC 61000-4-2 8/20 µs waveform, with verified VC ≤ 0.45 V at IPP = 1 A per pin pair.
It operates within a junction temperature range of −55°C to +125°C and meets MSL 1 reflow requirements (260°C peak, 10 s). The device uses void-free thermosetting plastic packaging rated UL 94 V-0 and features 100% matte tin lead finish.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Capacitance (Unidirectional) | 0.5 pF typical - preserves signal integrity on USB 2.0 and RF antenna lines |
| Stand-off Voltage (VRWM) | 5.0 V - blocks normal operating voltage while triggering only during ESD events |
| Clamping Voltage (VC) | ≤ 0.45 V @ IPP = 1 A - limits transient overvoltage seen by protected ICs |
| ESD Rating | ±10 kV contact per IEC 61000-4-2 Level 4 - exceeds industrial and automotive system-level test requirements |
| Response Time | < 1.0 ns - activates before sensitive circuitry sustains damage |
| Leakage Current (IR) | ≤ 1.0 µA @ VRWM - avoids DC loading on low-power sensor or RF bias networks |
| Package | SOT-1123 (1.0 mm × 0.6 mm × 0.37 mm) - enables placement adjacent to connectors and RF front-ends |
Pinout & Package
SOT-1123 is a 3-pin, ultra-miniature surface-mount package with 0.35 mm pitch. Pin 1 and Pin 2 are cathodes; Pin 3 is the common anode. This dual-cathode configuration supports either dual unidirectional protection or single bidirectional protection with halved effective capacitance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Cathode | Connects to first protected signal line (e.g., USB D+); reverse-biased during normal operation |
| Pin 2 | Cathode | Connects to second protected signal line (e.g., USB D−) or complementary side of bidirectional line |
| Pin 3 | Anode | Common return path to ground or low-impedance reference; must be routed with minimal inductance |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low capacitance | 0.5 pF unidirectional / 0.25 pF bidirectional - prevents signal distortion on >480 Mbps data lines |
| AEC-Q101 qualification | Qualified for automotive electronics per stress test requirements - supports infotainment and ADAS subsystems |
| Pb-free construction | RoHS-compliant, 100% matte tin finish - compatible with lead-free reflow and long-term reliability standards |
| Low clamping voltage | ≤0.45 V at 1 A pulse - ensures protected ICs remain below absolute maximum ratings during ESD transients |
| MSL 1 rating | Unlimited floor life at ≤30°C/60% RH - eliminates bake requirements prior to assembly |
Applications
| USB 2.0 High-Speed Interface | Cellular Antenna Line Protection |
|---|---|
Use Scenario: Protecting differential data pairs in portable devices against user-hand ESD events during cable insertion or handling. IC Role / Device Role / Timing Role: Unidirectional shunt clamp placed between D+ and D− lines and ground, triggered only during ESD overstress. Use Value: 0.5 pF capacitance avoids signal rise-time degradation and maintains eye diagram compliance at 480 Mbps. | Use Scenario: Shielding RF front-end components (e.g., LNA, switch, tuner) from electrostatic discharge induced via external antenna ports. IC Role / Device Role / Timing Role: Bidirectional shunt protector connected between antenna trace and ground, leveraging 0.25 pF effective capacitance. Use Value: Sub-0.3 pF loading prevents detuning of matching networks and preserves receiver noise figure. |
| Automotive Infotainment Display Link | Industrial Sensor Interface |
Use Scenario: Safeguarding MIPI D-PHY or LVDS video links between head unit and display in vehicles exposed to dry-climate ESD. IC Role / Device Role / Timing Role: Dual unidirectional clamp protecting clock and data lanes independently with shared anode grounding. Use Value: AEC-Q101 qualification and −55°C to +125°C operation ensure robustness across vehicle thermal cycles. | Use Scenario: Protecting analog output lines (e.g., 4–20 mA current loop, precision voltage output) from field-service ESD in factory automation equipment. IC Role / Device Role / Timing Role: Unidirectional clamp placed between signal line and system ground, with VRWM = 5.0 V matching supply rail margins. Use Value: ≤1.0 µA leakage avoids error contribution in µA-level measurement circuits. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ESD5Z5.0T1G | Same SOT-523 package; 0.6 pF capacitance; 5.0 V VRWM; ±8 kV IEC 61000-4-2 contact rating | Larger footprint than SOT-1123; less suitable for ultra-dense RF layouts | Select when board space allows larger package and slightly higher capacitance is acceptable |
| CM1213A-04SO | 4-channel array in SOIC-14; 0.8 pF per line; 5.5 V VRWM; ±15 kV air discharge rating | Multi-line integration reduces component count but increases layout area and channel-to-channel coupling risk | Select when protecting ≥3 signal lines with shared ground and PCB real estate permits SOIC footprint |
Compared with ESD5Z5.0T1G and CM1213A-04SO, the ESD11L5.0DT5G offers the smallest footprint and lowest capacitance, making it optimal for single- or dual-line protection where board space and signal fidelity are critical-especially in mobile and automotive RF designs.
Availability
ESD11L5.0DT5G is available at Aetrix Electronics and suitable for USB 2.0 interface protection, cellular antenna line safeguarding, and automotive infotainment display link applications requiring stable component supply and consistent parametric performance across production lots.
Supply support for ESD11L5.0DT5G 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
onsemi (formerly ON Semiconductor) is a global semiconductor supplier delivering energy-efficient power, analog, sensing, and connectivity solutions for automotive, industrial, cloud, medical, and IoT applications.
The ESD11L5.0DT5G belongs to onsemi's ultra-low-capacitance ESD protection diode family, engineered specifically for preserving signal integrity in high-speed digital and RF interfaces while meeting stringent automotive and industrial reliability standards.
FAQ
What is the maximum clamping voltage of the ESD11L5.0DT5G under IEC 61000-4-2 ESD stress?
The ESD11L5.0DT5G exhibits a maximum clamping voltage (VC) of 0.45 V when subjected to a 1 A peak pulse current per IEC 61000-4-2 waveform conditions. This value is measured across the protected line and ground during standardized ESD testing and ensures downstream ICs remain within safe voltage limits. The ESD11L5.0DT5G achieves this performance while maintaining ultra-low 0.5 pF capacitance and 5.0 V stand-off voltage.
Can the ESD11L5.0DT5G protect bidirectional signal lines, and what is its effective capacitance in that configuration?
Yes, the ESD11L5.0DT5G can protect one bidirectional signal line by connecting Pins 1 and 2 to opposite sides of the line and Pin 3 to ground. In this configuration, the effective capacitance drops to 0.25 pF - half the unidirectional value - due to series connection of the two internal diodes. This makes the ESD11L5.0DT5G especially suitable for antenna feedlines and other RF paths where sub-0.3 pF loading is essential to avoid impedance mismatch.
Is the ESD11L5.0DT5G qualified for automotive use, and what standard does it meet?
Yes, the ESD11L5.0DT5G is AEC-Q101 qualified and PPAP capable, confirming its suitability for automotive electronics applications including infotainment, telematics, and ADAS subsystems. It meets the full stress test requirements defined in AEC-Q101 Rev D, including temperature cycling, humidity bias HAST, and mechanical shock. Its operational junction temperature range of −55°C to +125°C further supports under-hood and dashboard deployment.
What is the package type and dimensions of the ESD11L5.0DT5G, and how does it impact PCB layout?
The ESD11L5.0DT5G uses the SOT-1123 package (case 524AA), measuring 1.0 mm × 0.6 mm × 0.37 mm with 0.35 mm pin pitch. Its ultra-small footprint minimizes PCB area consumption and enables placement directly adjacent to connectors or RF components. Layout best practices require short, low-inductance traces from Pins 1 and 2 to protected lines and a direct, low-impedance path from Pin 3 to solid ground plane to preserve clamping performance.
Does the ESD11L5.0DT5G require special handling or moisture sensitivity precautions before soldering?
No special moisture handling is required: the ESD11L5.0DT5G is rated MSL 1 (Moisture Sensitivity Level 1), meaning it has unlimited floor life at ≤30°C/60% RH and does not require baking prior to reflow. It supports standard lead-free reflow profiles with a maximum peak temperature of 260°C for 10 seconds. The device uses void-free thermosetting plastic encapsulation compliant with UL 94 V-0 flammability rating.
ESD11L5.0DT5G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Package/Case:
- SOT-1123
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- Zener
- Unidirectional Channels:
- 2
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 5V (Max)
- Voltage - Breakdown (Min):
- 5.4V
- Voltage - Clamping (Max) @ Ipp:
- -
- Current - Peak Pulse (10/1000µs):
- -
- Power - Peak Pulse:
- -
- Power Line Protection:
- No
- Applications:
- -
- Capacitance @ Frequency:
- 0.5pF @ 1MHz, 0.25pF @ 1MHz
- Operating Temperature:
- -55°C ~ 125°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-1123
ESD11L5.0DT5G FAQ
1.How can I place an order for ESD11L5.0DT5G through Aetrix?
Please submit a Request for Quotation (RFQ) for ESD11L5.0DT5G 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 ESD11L5.0DT5G reliable?
The price and inventory of ESD11L5.0DT5G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ESD11L5.0DT5G is usually 5 days.
3.What payment methods are accepted for ESD11L5.0DT5G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ESD11L5.0DT5G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ESD11L5.0DT5G?
ESD11L5.0DT5G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ESD11L5.0DT5G 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 ESD11L5.0DT5G?
For technical support, including ESD11L5.0DT5G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ESD11L5.0DT5G requirements.
6.How does Aetrix verify that ESD11L5.0DT5G is sourced from the original manufacturer or authorized distributors?
All ESD11L5.0DT5G 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 ESD11L5.0DT5G meets industry standards.
7.What is the process for return or replacement of ESD11L5.0DT5G?
All ESD11L5.0DT5G units undergo pre-shipment inspection (PSI). If there is an issue with ESD11L5.0DT5G, 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 ESD11L5.0DT5G part is unused and in its original packaging.
Return procedure for ESD11L5.0DT5G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ESD11L5.0DT5G Tags

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