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STMicroelectronics ESDAVLC8-1BU2
- Part No.:
- ESDAVLC8-1BU2
- Manufacturer:
- STMicroelectronics
- Category:
- TVS Diodes
- Package:
- 0201 (0603 Metric)
- Datasheet:
-
ESDAVLC8-1BU2.pdf
- Description:
- TVS DIODE 3VWM ST0201
- Quantity:
- Payment:
- Shipping:
Inventory:51,806
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Product details
Overview
ESDAVLC8-1BU2 from STMicroelectronics is a bidirectional single-line Transil™ TVS diode designed for ESD protection of high-speed data lines. It delivers 5 pF typical capacitance at 0 V, withstands ±15 kV air/±8 kV contact ESD per IEC 61000-4-2 Level 4, and fits in the ultra-compact ST0201 (0201) package with 0.18 mm² PCB footprint-ideal for space-constrained portable audio/video interfaces.
For engineers reviewing the ESDAVLC8-1BU2 datasheet, ESDAVLC8-1BU2 pinout, ESDAVLC8-1BU2 application, or ESDAVLC8-1BU2 equivalent, key selection criteria include line capacitance ≤7 pF, clamping voltage ≤17 V at 1 A, bidirectional standoff voltage ≥3 V, and MSL1 reflow compatibility for high-density consumer PCB assembly.
Technical Context
The device operates as a low-capacitance transient suppressor across two terminals, leveraging avalanche breakdown to clamp ESD transients without forward conduction. Its symmetrical bidirectional structure ensures identical response to positive and negative ESD pulses, with dynamic impedance of 2.5 Ω enabling rapid energy diversion.
Designed for signal integrity preservation, it maintains sub-7 pF capacitance up to 3 V reverse bias and exhibits <100 nA leakage at 3 V, minimizing loading on USB 2.0, HDMI DDC, or MIPI D-PHY lanes. Temperature coefficient of breakdown voltage is +6×10⁻⁴/°C, ensuring stable triggering across –40°C to +125°C operating range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Capacitance | 5 pF typ. @ 0 V - preserves signal integrity on >100 MHz digital interfaces |
| ESD Rating | ±15 kV air / ±8 kV contact - meets IEC 61000-4-2 Level 4 for handheld device compliance |
| Clamping Voltage | ≤17 V @ 1 A (8/20 µs) - limits downstream IC stress during surge events |
| Standoff Voltage | 3 V - compatible with 3.3 V I/O rails without leakage-induced logic errors |
| Leakage Current | 100 nA max @ 3 V - avoids battery drain in always-on portable circuits |
| Package | ST0201 (0201) - 0.60 × 0.30 × 0.25 mm footprint enables routing under BGA packages |
| Breakdown Voltage | 8.5–11 V (pin1→2), 14.5–17 V (pin2→1) - asymmetric avalanche threshold ensures robust bidirectional clamping |
Pinout & Package
ESDAVLC8-1BU2 uses a 2-terminal ST0201 surface-mount package with no internal ground connection. Pin 1 (marked side) and Pin 2 are symmetrical terminals; polarity is irrelevant due to bidirectional operation. The device has no orientation-dependent functionality beyond marking for placement verification.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 | Anode/Cathode (bidirectional) | Either terminal serves as input/output path; no DC polarity requirement |
| Pin 2 | Anode/Cathode (bidirectional) | Electrically identical to Pin 1; device functions identically regardless of terminal assignment |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low capacitance | 5 pF typ. enables use on USB 2.0, HDMI, and MIPI D-PHY without signal degradation |
| Multiple ESD strike endurance | Retains clamping performance after >1000 ±8 kV contact discharges per IEC test protocol |
| MSL1 rating | Reflow-compatible up to 260 °C for 10 s - eliminates pre-bake requirements in SMT lines |
| RoHS & ECOPACK® compliant | Lead-free, halogen-free epoxy meets UL94 V0 and global environmental mandates |
Applications
| USB 2.0 Data Lines | HDMI DDC Channel |
|---|---|
Use Scenario: Protecting differential USB 2.0 D+/D− traces in smartphones against user-hand ESD events. IC Role / Device Role / Timing Role: Bidirectional transient suppressor placed directly at connector entry point. Use Value: 5 pF capacitance prevents eye diagram closure; clamps transients below 17 V to safeguard PHY transceivers. | Use Scenario: Shielding HDMI Display Data Channel (DDC) I²C bus from ESD during cable hot-plug operations. IC Role / Device Role / Timing Role: Low-leakage shunt protector on 3.3 V open-drain SDA/SCL lines. Use Value: 100 nA leakage avoids pull-up current errors; ±8 kV contact rating covers real-world handling stress. |
| MIPI D-PHY Lanes | Digital Camera Interface |
Use Scenario: Safeguarding high-speed MIPI D-PHY clock and data lanes in mobile camera modules. IC Role / Device Role / Timing Role: Capacitance-critical ESD clamp placed adjacent to image sensor I/O pads. Use Value: Sub-7 pF capacitance maintains >800 Mbps data rate integrity; 0.18 mm² footprint fits within tight flex PCB routing zones. | Use Scenario: ESD hardening of SDIO and parallel camera interface signals in compact digital camcorders. IC Role / Device Role / Timing Role: Standoff-voltage-matched protector for 3.3 V tolerant CMOS I/O pins. Use Value: 3 V standoff prevents false triggering during normal operation; bidirectional symmetry handles random ESD polarity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bidirectional low-capacitance TVS applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPD2E001DRYR | 6.5 pF typ., 12 V clamping @ 1 A, 0.65 mm × 0.35 mm X2SON package | Larger footprint (0.23 mm² vs. 0.18 mm²); higher capacitance may affect >480 Mbps USB 2.0 margins | Preferred when board layout allows slightly larger pad area and higher clamping voltage is acceptable |
| ESD9X5.0ST5G | 12 pF typ., 14.5 V clamping @ 1 A, SOD-923 package (1.0 × 0.6 mm) | 2.5× larger PCB area; 2.4× higher capacitance limits use to <100 MHz interfaces | Selected only where cost sensitivity outweighs space and bandwidth constraints |
Compared with TPD2E001DRYR and ESD9X5.0ST5G, ESDAVLC8-1BU2 offers the smallest footprint and lowest capacitance, making it uniquely suitable for next-generation ultra-compact mobile interfaces where trace length and parasitic loading must be minimized.
Availability
ESDAVLC8-1BU2 is available at Aetrix Electronics and suitable for portable multimedia players, digital cameras, and cellular phone handsets requiring stable component supply with guaranteed long-term manufacturability.
Supply support for ESDAVLC8-1BU2 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, Switzerland, delivering silicon solutions for automotive, industrial, and consumer markets since 1987.
This device belongs to ST's Transil™ TVS portfolio, engineered specifically for ESD protection of high-speed digital interfaces in space-constrained portable electronics.
FAQ
What is the maximum operating temperature for ESDAVLC8-1BU2?
The device supports continuous operation from –40°C to +125°C junction temperature. Its thermal resistance and power derating curve (Figure 3) confirm stable clamping performance up to 125°C ambient when mounted on standard FR-4 with recommended pad layout, making it suitable for sealed handheld enclosures without active cooling.
Can ESDAVLC8-1BU2 protect both analog and digital signal lines?
Yes-it is validated for protecting both analog audio paths (e.g., headset mic inputs) and digital buses (e.g., USB 2.0, MIPI D-PHY). Its 5 pF capacitance avoids attenuation in 20 kHz audio bands, while its fast response (<1 ns) and low clamping voltage preserve digital signal edges up to 480 Mbps without jitter accumulation.
Is the ST0201 package compatible with standard 0201 pick-and-place equipment?
Yes-ST specifies 3.5 N placement force and ±0.05 mm tolerance, fully aligned with Class III SMT placement systems. The device's symmetrical terminal geometry and optical mark (V2) enable reliable vision-based alignment, and its MSL1 rating eliminates moisture sensitivity concerns during standard reflow profiles.
How does ESDAVLC8-1BU2 differ from unidirectional TVS diodes in circuit implementation?
Unlike unidirectional TVS devices requiring correct anode/cathode orientation relative to DC bias, ESDAVLC8-1BU2 connects across any two points in a signal path without polarity constraints. This eliminates routing errors during layout and simplifies BOM management for differential or AC-coupled lines where DC polarity is undefined or alternating.
ESDAVLC8-1BU2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 0201 (0603 Metric)
- Series:
- ESDA, TRANSIL™
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Zener
- Unidirectional Channels:
- -
- Bidirectional Channels:
- 1
- Voltage - Reverse Standoff (Typ):
- 3V
- Voltage - Breakdown (Min):
- 8.5V
- Voltage - Clamping (Max) @ Ipp:
- -
- Current - Peak Pulse (10/1000µs):
- -
- Power - Peak Pulse:
- -
- Power Line Protection:
- No
- Applications:
- General Purpose
- Capacitance @ Frequency:
- 5pF @ 1MHz
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 0201
ESDAVLC8-1BU2 FAQ
1.How can I place an order for ESDAVLC8-1BU2 through Aetrix?
Please submit a Request for Quotation (RFQ) for ESDAVLC8-1BU2 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 ESDAVLC8-1BU2 reliable?
The price and inventory of ESDAVLC8-1BU2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ESDAVLC8-1BU2 is usually 5 days.
3.What payment methods are accepted for ESDAVLC8-1BU2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ESDAVLC8-1BU2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ESDAVLC8-1BU2?
ESDAVLC8-1BU2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ESDAVLC8-1BU2 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 ESDAVLC8-1BU2?
For technical support, including ESDAVLC8-1BU2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ESDAVLC8-1BU2 requirements.
6.How does Aetrix verify that ESDAVLC8-1BU2 is sourced from the original manufacturer or authorized distributors?
All ESDAVLC8-1BU2 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 ESDAVLC8-1BU2 meets industry standards.
7.What is the process for return or replacement of ESDAVLC8-1BU2?
All ESDAVLC8-1BU2 units undergo pre-shipment inspection (PSI). If there is an issue with ESDAVLC8-1BU2, 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 ESDAVLC8-1BU2 part is unused and in its original packaging.
Return procedure for ESDAVLC8-1BU2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ESDAVLC8-1BU2 Tags
-
ESD9B5.0ST5G
onsemi
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DESD3V3E1BL-7B
Diodes Incorporated
-
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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DESD5V0U1BB-7
Diodes Incorporated
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D12V0L1B2LP-7B
Diodes Incorporated
-
PESD2V0Y1BSFYL
Nexperia USA Inc.
-
DF2S5M4CT,L3F
Toshiba Semiconductor and Storage
-
D5V0L1B2WS-7
Diodes Incorporated
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