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STMicroelectronics ESDALCL6-2SC6
- Part No.:
- ESDALCL6-2SC6
- Manufacturer:
- STMicroelectronics
- Category:
- TVS Diodes
- Package:
- SOT-23-6
- Datasheet:
-
ESDALCL6-2SC6.pdf
- Description:
- TVS DIODE 3VWM 17VC SOT23-6
- Quantity:
- Payment:
- Shipping:
Inventory:6,851
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Product details
Overview
ESDALCL6-2SC6 from STMicroelectronics is a monolithic ESD protection array for high-speed data lines, featuring 2.5 pF typical I/O-to-GND capacitance, ≤10 nA leakage at 3 V, and 12 V clamping voltage at 1 A (8/20 µs), designed to protect USB 2.0 high-speed (480 Mb/s) interfaces without signal integrity degradation.
For engineers reviewing the ESDALCL6-2SC6 datasheet, ESDALCL6-2SC6 pinout, ESDALCL6-2SC6 application, or ESDALCL6-2SC6 equivalent, key selection criteria include low-line capacitance (<3.5 pF), sub-10 nA leakage at 3 V, ±30 kV air discharge rating, and SOT23-6L package compatibility with space-constrained portable designs.
Technical Context
The device integrates two bidirectional ESD protection diodes per I/O line (I/O1 and I/O2), each referenced to GND and sharing a common VBUS pin, enabling simultaneous protection of differential data pairs and power rail in USB 2.0 transceivers. Its low-capacitance silicon-avalanche structure maintains signal fidelity up to 480 Mb/s while meeting IEC 61000-4-2 Level 4 (±15 kV contact, ±30 kV air).
Clamping behavior is characterized by 12 V at 1 A and 17 V at 5 A (8/20 µs pulse), with breakdown voltage ≥6 V (1 mA test current). The 1.2–1.7 pF I/O-to-I/O capacitance minimizes crosstalk in tightly routed high-speed traces.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Capacitance (I/O–GND) | 2.5 pF typ. - preserves USB 2.0 eye diagram integrity at 480 Mb/s |
| Leakage Current | 10 nA max at 3 V - enables battery-powered healthcare devices with multi-year standby |
| Clamping Voltage | 12 V at 1 A (8/20 µs) - limits transient stress on downstream PHY ICs |
| ESD Rating | ±30 kV air / ±15 kV contact (IEC 61000-4-2 Level 4) - exceeds industrial immunity requirements |
| Breakdown Voltage | ≥6 V at 1 mA - ensures no conduction during 3.3 V nominal bus operation |
| I/O–I/O Capacitance | 1.2–1.7 pF - reduces differential skew and crosstalk in D+/D− routing |
Pinout & Package
SOT23-6L package: 6-lead, surface-mount, lead-free, RoHS-compliant, footprint per Figure 11 (3.05 mm × 1.75 mm × 1.30 mm max), UL94 V0 epoxy, 16.7 mg unit weight.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | I/O1 anode/cathode | Bidirectional ESD path for first data line (e.g., USB D+) |
| 2 | GND | Common reference for all ESD clamps; must be low-inductance PCB connection |
| 3 | VBUS | Protection reference for 5 V power rail; connects to USB VBUS trace |
| 4 | VBUS | Duplicate VBUS terminal for improved current sharing and thermal distribution |
| 5 | GND | Second ground terminal to reduce loop inductance in high-frequency ESD events |
| 6 | I/O2 anode/cathode | Bidirectional ESD path for second data line (e.g., USB D−) |
Key Features
| Feature | Design Value |
|---|---|
| 2-line protection architecture | Simultaneous safeguarding of differential pair + VBUS in single 6-pin footprint |
| Ultra-low 2.5 pF I/O–GND capacitance | Enables full-speed USB 2.0 compliance without equalization or margin reduction |
| 10 nA leakage at 3 V | Extends battery life in portable medical monitors and handheld diagnostics |
| ±30 kV IEC air discharge rating | Meets EN 61000-4-2 Level 4 for industrial equipment exposed to uncontrolled environments |
| SOT23-6L package | Compatible with standard pick-and-place and reflow processes; 0.95 mm pitch supports fine-pitch layout |
Applications
| USB 2.0 High-Speed Port | Ethernet 10/100 Port |
|---|---|
Use Scenario: Protecting D+/D− lines and VBUS in laptop docking stations with hot-plug USB peripherals. IC Role / Device Role / Timing Role: Bidirectional ESD clamp for differential data lines and power rail, placed within 5 mm of connector. Use Value: Maintains 480 Mb/s eye opening (≥347 ps jitter margin) while surviving repeated ±15 kV contact discharges. | Use Scenario: Shielding Ethernet PHY interface against ESD in industrial gateways with RJ45 ports. IC Role / Device Role / Timing Role: Low-capacitance transient suppressor on MDI lines (TX+/TX−, RX+/RX−), referenced to chassis ground. Use Value: Prevents latch-up in 100BASE-TX transceivers without degrading return loss above 31.25 MHz. |
| SIM Card Socket | Portable Healthcare Monitor |
Use Scenario: Guarding SIM I/O, CLK, and RESET pins in LTE-enabled wearables subject to finger-touch ESD. IC Role / Device Role / Timing Role: Single-device solution for 3-line SIM interface protection with shared ground and VCC reference. Use Value: Delivers <1.7 pF inter-line capacitance to avoid clock/data skew across 10 MHz SIM bus timing. | Use Scenario: Securing ECG electrode input lines and USB charging port in FDA-cleared patient monitors. IC Role / Device Role / Timing Role: Dual-path protector for analog front-end and digital interface, minimizing leakage-induced baseline drift. Use Value: 1 nA leakage at 1 V ensures <1 µV offset error in 100 MΩ input impedance amplifiers over 10-year service life. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ESD protection applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPD2E001DRYR | Higher 3.5 pF I/O–GND capacitance; 1 A clamping at 15 V | Marginally lower USB 2.0 eye margin; suitable for cost-sensitive consumer ports | Prefer when board-level ESD testing allows relaxed capacitance budget |
| SP1002-01UTG | Lower 0.6 pF I/O–GND; 1 A clamping at 10 V; only 2-channel (no VBUS) | Requires external VBUS protection; better for ultra-high-speed (>1 Gb/s) legacy video lines | Choose when VBUS protection is handled separately and sub-1 pF is mandatory |
Compared with TPD2E001DRYR and SP1002-01UTG, ESDALCL6-2SC6 uniquely integrates VBUS protection in a 2.5 pF, 10 nA package-enabling single-component USB 2.0 port hardening without compromising speed or battery runtime.
Availability
ESDALCL6-2SC6 is available at Aetrix Electronics and suitable for USB 2.0 high-speed ports, Ethernet 10/100 interfaces, and portable healthcare equipment requiring stable component supply across long-lifecycle production programs.
Supply support for ESDALCL6-2SC6 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
STMicroelectronics is a global semiconductor leader headquartered in Geneva, designing and manufacturing microcontrollers, power management ICs, sensors, and protection devices for industrial, automotive, and consumer markets.
The ESDALCL6-2SC6 belongs to ST's ESDA LC series-engineered specifically for high-speed interface protection where signal integrity, low leakage, and compact packaging are critical design constraints.
FAQ
What is the maximum operating temperature for ESDALCL6-2SC6?
The ESDALCL6-2SC6 has a specified operating junction temperature range of –40 °C to +125 °C, validated per Table 1 in the datasheet. This allows reliable deployment in automotive cabin modules and industrial controllers where ambient temperatures exceed 85 °C, provided PCB thermal design maintains junction temperature within limits.
Can ESDALCL6-2SC6 protect both data lines and VBUS simultaneously?
Yes. Pin 3 and Pin 4 are dedicated VBUS terminals, while Pins 1 and 6 protect I/O1 and I/O2 respectively, all referenced to Pins 2 and 5 (GND). This integrated architecture enables concurrent protection of differential data pairs and 5 V power rail in USB 2.0 Type-A receptacles without external components.
Is ESDALCL6-2SC6 compatible with lead-free reflow profiles?
Yes. The SOT23-6L package is lead-free and rated for peak solder temperature of 260 °C (10 seconds), fully compliant with IPC/JEDEC J-STD-020D moisture sensitivity level 1. No pre-baking is required, and standard SnAgCu reflow profiles achieve reliable solder joint formation.
How does its 2.5 pF capacitance impact USB 2.0 signal integrity?
At 2.5 pF typical I/O–GND capacitance, the device introduces <0.5 dB insertion loss at 240 MHz (Nyquist frequency of 480 Mb/s), preserving >85% eye height and >347 ps jitter margin per Figure 9. This meets USB-IF compliance thresholds without requiring channel equalization or layout compensation.
ESDALCL6-2SC6 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- SOT-23-6
- Series:
- ESDA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Steering (Rail to Rail)
- Unidirectional Channels:
- 2
- Bidirectional Channels:
- -
- Voltage - Reverse Standoff (Typ):
- 3V
- Voltage - Breakdown (Min):
- 6V
- Voltage - Clamping (Max) @ Ipp:
- 17V
- Current - Peak Pulse (10/1000µs):
- 5A (8/20µs)
- Power - Peak Pulse:
- -
- Power Line Protection:
- Yes
- Applications:
- General Purpose
- Capacitance @ Frequency:
- -
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-6
ESDALCL6-2SC6 FAQ
1.How can I place an order for ESDALCL6-2SC6 through Aetrix?
Please submit a Request for Quotation (RFQ) for ESDALCL6-2SC6 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 ESDALCL6-2SC6 reliable?
The price and inventory of ESDALCL6-2SC6 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ESDALCL6-2SC6 is usually 5 days.
3.What payment methods are accepted for ESDALCL6-2SC6?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ESDALCL6-2SC6 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ESDALCL6-2SC6?
ESDALCL6-2SC6 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ESDALCL6-2SC6 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 ESDALCL6-2SC6?
For technical support, including ESDALCL6-2SC6 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ESDALCL6-2SC6 requirements.
6.How does Aetrix verify that ESDALCL6-2SC6 is sourced from the original manufacturer or authorized distributors?
All ESDALCL6-2SC6 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 ESDALCL6-2SC6 meets industry standards.
7.What is the process for return or replacement of ESDALCL6-2SC6?
All ESDALCL6-2SC6 units undergo pre-shipment inspection (PSI). If there is an issue with ESDALCL6-2SC6, 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 ESDALCL6-2SC6 part is unused and in its original packaging.
Return procedure for ESDALCL6-2SC6:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ESDALCL6-2SC6 Tags
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DESD3V3E1BL-7B
Diodes Incorporated
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Nexperia USA Inc.
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Toshiba Semiconductor and Storage
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Diodes Incorporated
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