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onsemi ESDL2012MX4T5G
- Part No.:
- ESDL2012MX4T5G
- Manufacturer:
- onsemi
- Category:
- TVS Diodes
- Package:
- 0201 (0603 Metric)
- Datasheet:
-
ESDL2012MX4T5G.pdf
- Description:
- TVS DIODE 1VWM 5.2VC 2DFN
- Quantity:
- Payment:
- Shipping:
Inventory:22,921
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Product details
Overview
ESDL2012MX4T5G from onsemi is an extremely low-voltage, bidirectional ESD protection diode in a 0201 (X4DFN, 0.6 × 0.3 mm) package, featuring 0.23 pF capacitance, 1.0 V standoff voltage, and IEC 61000-4-2 Level 4 compliance - designed for high-speed data lines including USB 3.x, Thunderbolt 3.0, and PCIe 3.x/4.x.
For engineers reviewing the ESDL2012MX4T5G datasheet, pinout, applications, or equivalent options, key selection criteria include ultra-low capacitance for signal integrity, sub-1V operating voltage compatibility with modern I/O rails, bidirectional clamping performance, and 0201 footprint constraints for dense PCB layouts.
Technical Context
The ESDL2012MX4T5G is a single-line, bidirectional TVS diode optimized for ultra-low-voltage I/O protection. Its 0.23 pF typical capacitance and 1.0 V VRWM enable use on 1.0 V and 1.2 V high-speed differential pairs without degrading insertion loss or eye diagram integrity.
It delivers 15 kV air/8 kV contact ESD immunity per IEC 61000-4-2 Level 4 while maintaining clamping voltage ≤7.5 V at 1 A TLP, with leakage current <0.5 µA at rated standoff - critical for preserving signal swing and power rail stability in portable and compute platforms.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CMAX | 0.23 pF - preserves signal integrity on >10 Gbps differential links (e.g., USB 3.2 Gen 2, PCIe 4.0) |
| VRWM | 1.0 V - supports direct placement on 1.0 V I/O rails without forward biasing during normal operation |
| V(BR) min | 1.4 V - ensures reliable turn-on margin above operating voltage to prevent false triggering |
| IR max | 0.5 µA at 1.0 V - minimizes standby current draw and avoids DC loading of sensitive receivers |
| PPK max | 0.31 W - sustains transient energy from IEC 61000-4-2 ESD events without thermal runaway |
| ESD Rating | ±15 kV air / ±8 kV contact (IEC 61000-4-2 Level 4) - meets industrial and consumer end-equipment requirements |
Pinout & Package
Package: X4DFN (0201), 0.6 mm × 0.3 mm, 2-terminal surface-mount device with exposed pad not electrically connected.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | ESD current sink path (bidirectional) | Connected to protected line; conducts transient current to cathode during positive or negative ESD events |
| Cathode | ESD current sink path (bidirectional) | Connected to reference plane (e.g., ground or common return); completes low-inductance discharge path |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low capacitance | 0.23 pF enables use on 10+ Gbps serial interfaces without measurable signal degradation |
| Bidirectional clamping | Protects both polarities of differential signals without requiring polarity-aware layout |
| 0201 footprint | 0.6 × 0.3 mm size saves >50% board area vs. 0402 alternatives in space-constrained mobile designs |
| Low leakage | <0.5 µA at 1.0 V prevents DC offset accumulation and receiver input loading |
Applications
| USB 3.x & 4.0 Tx/Rx Data Lines | Thunderbolt 3.0 Data Lines |
|---|---|
Use Scenario: Protecting differential high-speed data lanes between USB controller and Type-C connector in ultrabooks. IC Role / Device Role / Timing Role: ESD transient suppressor placed directly at connector interface to shunt ESD energy before reaching PHY. Use Value: 0.23 pF capacitance maintains >12 dB insertion loss margin at 10 GHz, ensuring USB 3.2 Gen 2 compliance. | Use Scenario: Shielding Thunderbolt 3 host port differential pairs from user-accessible ESD events. IC Role / Device Role / Timing Role: Bidirectional TVS diode mounted adjacent to edge connector to clamp ±15 kV air discharge transients. Use Value: 1.0 V VRWM matches Thunderbolt PHY core voltage, eliminating risk of forward conduction during idle state. |
| PCIe 4.0 Data Lanes | Smartphone High-Speed Interfaces |
Use Scenario: Guarding PCIe 4.0 x4 lanes between SoC and NVMe SSD in compact form factor storage modules. IC Role / Device Role / Timing Role: Single-line ESD protector on each differential pair, minimizing inter-pair skew and crosstalk. Use Value: Sub-1V standoff and ultra-low CMAX preserve 16 GT/s eye opening and jitter budget. | Use Scenario: Protecting MIPI D-PHY or USB 3.1 SS lines in smartphone mainboard routing near flex connectors. IC Role / Device Role / Timing Role: Space-optimized ESD clamp placed at entry point of high-speed traces from camera or display modules. Use Value: 0201 package allows placement within 2 mm of connector without compromising RF isolation or trace length matching. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ESD9X3.3SCT5G | Higher VRWM (3.3 V), higher CMAX (0.65 pF), same 0201 package | Suitable for 3.3 V I/O domains; not compatible with 1.0 V rails due to forward conduction risk | Select only when protecting legacy 3.3 V interfaces where lower capacitance is secondary to voltage rating |
| SZESDL2012MX2WT5G | Larger X2DFNW package (1.6 × 0.8 mm), higher CMAX (0.35 pF), same electrical specs | Offers easier handling and rework but occupies ~4× more board area than ESDL2012MX4T5G | Prefer when assembly yield or manual repair is prioritized over miniaturization |
Compared with ESD9X3.3SCT5G and SZESDL2012MX2WT5G, the ESDL2012MX4T5G uniquely balances 1.0 V compatibility, 0.23 pF capacitance, and 0201 size - making it the only option qualified for next-generation 1.0 V high-speed differential interfaces where board space and signal fidelity are simultaneously constrained.
Availability
ESDL2012MX4T5G is available at Aetrix Electronics and suitable for USB 3.x/4.0 interface protection, Thunderbolt 3.0 port hardening, and PCIe 4.0 lane safeguarding requiring stable component supply across high-volume consumer electronics production.
Supply support for ESDL2012MX4T5G 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 is a global semiconductor supplier delivering energy-efficient, intelligent power and sensing solutions for automotive, industrial, cloud, medical, and IoT applications.
The ESDL2012MX4T5G belongs to onsemi's ESDL family of ultra-low-capacitance, low-voltage TVS diodes engineered specifically for ESD protection of 1.0–1.2 V high-speed serial interfaces without compromising signal integrity.
FAQ
What is the maximum operating voltage for ESDL2012MX4T5G?
The ESDL2012MX4T5G has a maximum working peak reverse voltage (VRWM) of 1.0 V. This means it is rated for continuous operation on 1.0 V I/O rails - such as those used in modern USB 3.x, Thunderbolt 3.0, and PCIe 4.0 PHYs - without forward conduction or leakage-induced signal distortion. Exceeding this voltage risks unintended turn-on and DC loading of the protected line.
Does ESDL2012MX4T5G support bidirectional ESD protection?
Yes, the ESDL2012MX4T5G is a symmetric, bidirectional TVS diode. It provides identical clamping behavior for both positive and negative ESD transients, enabling direct placement on differential high-speed pairs (e.g., USB SS TX+/TX−) without polarity alignment concerns. Its bidirectional architecture eliminates the need for dual-diode configurations or orientation-sensitive layout.
What is the typical capacitance of ESDL2012MX4T5G and why does it matter?
The ESDL2012MX4T5G has a typical capacitance of 0.23 pF, measured at 1 MHz. This ultra-low value is essential for preserving signal integrity on multi-gigabit serial links - minimizing insertion loss, reflection, and jitter. In practice, this capacitance allows the ESDL2012MX4T5G to be placed directly at USB 3.2 Gen 2 or PCIe 4.0 connector interfaces without violating channel compliance masks.
Is ESDL2012MX4T5G compliant with international ESD standards?
Yes, the ESDL2012MX4T5G is fully compliant with IEC 61000-4-2 Level 4, providing ±15 kV air discharge and ±8 kV contact discharge protection. This certification is verified per standard test conditions and applies directly to the ESDL2012MX4T5G device - not just the family - ensuring robust field reliability in consumer and industrial end equipment subject to user-handling ESD events.
What package type does ESDL2012MX4T5G use and what are its dimensions?
The ESDL2012MX4T5G uses the X4DFN (0201) package, measuring 0.6 mm × 0.3 mm with a nominal height of 0.25 mm. This 2-terminal, no-lead surface-mount package features a thermally enhanced copper leadframe and conforms to JEDEC MO-252. Its ultra-compact size enables placement within 1 mm of high-speed connectors in smartphones, tablets, and ultrabooks.
ESDL2012MX4T5G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Package/Case:
- 0201 (0603 Metric)
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 1V (Max)
- Voltage - Breakdown (Min):
- 1.4V
- Voltage - Clamping (Max) @ Ipp:
- 5.2V
- Current - Peak Pulse (10/1000µs):
- 8A
- Power - Peak Pulse:
- -
- Power Line Protection:
- No
- Applications:
- USB
- Capacitance @ Frequency:
- 0.18pF @ 1MHz
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 2-DFN (0.6x0.3)
ESDL2012MX4T5G FAQ
1.How can I place an order for ESDL2012MX4T5G through Aetrix?
Please submit a Request for Quotation (RFQ) for ESDL2012MX4T5G 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 ESDL2012MX4T5G reliable?
The price and inventory of ESDL2012MX4T5G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ESDL2012MX4T5G is usually 5 days.
3.What payment methods are accepted for ESDL2012MX4T5G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ESDL2012MX4T5G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ESDL2012MX4T5G?
ESDL2012MX4T5G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ESDL2012MX4T5G 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 ESDL2012MX4T5G?
For technical support, including ESDL2012MX4T5G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ESDL2012MX4T5G requirements.
6.How does Aetrix verify that ESDL2012MX4T5G is sourced from the original manufacturer or authorized distributors?
All ESDL2012MX4T5G 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 ESDL2012MX4T5G meets industry standards.
7.What is the process for return or replacement of ESDL2012MX4T5G?
All ESDL2012MX4T5G units undergo pre-shipment inspection (PSI). If there is an issue with ESDL2012MX4T5G, 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 ESDL2012MX4T5G part is unused and in its original packaging.
Return procedure for ESDL2012MX4T5G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ESDL2012MX4T5G Tags
-
ESD9B5.0ST5G
onsemi
-
DESD3V3E1BL-7B
Diodes Incorporated
-
ESD5Z3.3T1G
onsemi
-
D5V0H1B2LP-7B
Diodes Incorporated
-
D5V0P1B2LP-7B
Diodes Incorporated
-
DESD5V0U1BA-7
Diodes Incorporated
-
ESD5Z5.0T1G
onsemi
-
DESD5V0U1BB-7
Diodes Incorporated
-
D12V0L1B2LP-7B
Diodes Incorporated
-
PESD2V0Y1BSFYL
Nexperia USA Inc.
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DF2S5M4CT,L3F
Toshiba Semiconductor and Storage
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D5V0L1B2WS-7
Diodes Incorporated
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