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HomeProductsIntegrated Circuits (ICs)Specialized ICsESDA6V1W5-5/TR
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ESDA6V1W5-5/TR - WILLSEMI

Manufacturer Part Number
ESDA6V1W5-5/TR
Manufacturer
WILLSEMI
Allelco Part Number
32D-ESDA6V1W5-5/TR
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
8,460 pcs available, New & Original
Parts Description
DAC91001
Data sheet
-
Category
Integrated Circuits (ICs) > Specialized ICs
RoHs Status
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In stock: 8460
  • Unit Price: $0.031
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
10+ $0.031 $0.31
100+ $0.027 $2.70
300+ $0.025 $7.50
3000+ $0.024 $72.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

ESDA6V1W5-5/TR Tech Specifications
WILLSEMI - ESDA6V1W5-5/TR technical specifications, attributes, parameters and parts with similar specifications to WILLSEMI - ESDA6V1W5-5/TR

Product Attribute Attribute Value
Part Number ESDA6V1W5-5/TR
Package DAC91001
Description DAC91001
Stock Condition Get 8460 pcs available quantity at Allelco
Payment PayPal / TT / Credit Card / Western Union
Allelco Certifications ESD / ISO 9001 / ISO 13485 / ISO 28000
Product Attribute Attribute Value
Manufacturer WILLSEMI
RoHs Status -
Warranty 100% Perfect Functions
Transport port Hong Kong
Shipping by DHL / FedEx / UPS / TNT / SF Express
RFQ Email info@allelco.com

Frequently Asked Questions(FAQ)

How does the ESDA6V1W5-5/TR perform in transient suppression scenarios involving high-current surges, and what design considerations are necessary to ensure reliable protection?
The ESDA6V1W5-5/TR exhibits a peak pulse current capability of 9A, which enables it to absorb substantial transient energy during electrostatic discharge (ESD) or electrical fast transient (EFT) events. This level of current handling is suitable for protecting sensitive downstream circuitry in industrial or automotive environments where surge events may reach several amperes. However, designers must account for power dissipation and junction temperature rise during such events. Given the clamping voltage of 13V and the device’s thermal resistance characteristics in the SOT-353 package, repeated exposure to high-energy transients requires careful layout and thermal management to avoid degradation over time.
What distinguishes the unidirectional polarity configuration of the ESDA6V1W5-5/TR from bidirectional alternatives, and when should each be preferred in circuit protection schemes?
Unlike bidirectional TVS diodes that clamp voltage spikes in both positive and negative directions relative to ground, the ESDA6V1W5-5/TR is configured as unidirectional, meaning it primarily protects against positive-going transients while allowing negative excursions to pass through. This makes it ideal for circuits powered by a single supply where only one polarity of surge is expected or needs to be suppressed. In applications such as USB data lines or power input stages with a defined reference ground, this directional behavior reduces leakage current asymmetry and improves response consistency. Bidirectional devices are typically used in balanced signal lines or dual-supply systems where transients can occur in either direction.
Given its reverse stand-off voltage of 5V and breakdown voltage of 7.2V, how should the ESDA6V1W5-5/TR be applied in a 5V digital system to ensure safe operation under normal and fault conditions?
In a 5V system, the ESDA6V1W5-5/TR is designed to remain inactive under steady-state operation, with its Vrwm set at 5V. This ensures minimal leakage current—typically 1µA—which preserves power efficiency and avoids interference with signal integrity. During an overvoltage event, the device begins conducting once the voltage exceeds the breakdown point of 7.2V, clamping the transient to approximately 13V. Designers must ensure that no sustained voltage above 7.2V appears at the protected node to prevent prolonged conduction, which could lead to thermal stress or failure due to cumulative energy absorption.
Can the ESDA6V1W5-5/TR effectively protect multiple I/O lines simultaneously, and what layout or routing strategies are critical when integrating four channels into a compact PCB footprint?
Yes, the ESDA6V1W5-5/TR incorporates four independent channels within the SOT-353 package, allowing simultaneous protection of multiple signals such as GPIOs, UART, or SPI lines. Each channel operates with low capacitance (55pF per channel), making it suitable for high-speed data interfaces. To optimize performance, traces connected to each pin should be kept short and direct, minimizing parasitic inductance. Additionally, placing decoupling capacitors close to the IC and ensuring a solid ground plane beneath the component reduces impedance paths for surge currents, enhancing overall transient immunity.
What are the implications of the device’s operating temperature range (-40°C to +85°C) for deployment in harsh environments, and how might this affect long-term reliability?
The extended temperature range supports use in industrial and automotive applications where ambient temperatures may fluctuate significantly. However, during surge events, localized heating at the die level can push junction temperatures beyond 85°C even if the ambient remains within specification. Prolonged exposure to repeated high-power pulses without adequate thermal relief may accelerate wear-out mechanisms such as metal migration or bond wire degradation. Therefore, while the ESDA6V1W5-5/TR is rated for the stated range, designers should evaluate duty cycle and pulse repetition frequency to avoid exceeding cumulative thermal stress limits.
How does the junction capacitance of 55pF per channel influence signal integrity in high-speed communication interfaces, and are there alternatives better suited for GHz-range data lines?
At 55pF, the ESDA6V1W5-5/TR introduces measurable capacitive loading on high-impedance nodes or high-speed differential pairs. For applications such as USB 2.0 (480 Mbps) or Ethernet (100/1000 Mbps), this capacitance can degrade rise times and increase crosstalk if not managed properly. While acceptable for many 1–10 Mbps digital interfaces, designs targeting higher data rates may require lower-capacitance protection solutions like specialized ESD arrays or transient voltage suppressors with sub-30pF characteristics. In such cases, trade-offs between protection robustness and signal fidelity must be evaluated based on system requirements.
What testing standards validate the ESDA6V1W5-5/TR’s compliance with electromagnetic compatibility requirements, and why is this certification important for product qualification?
The ESDA6V1W5-5/TR meets the protection levels defined by IEC 61000-4-2 (ESD) and IEC 61000-4-5 (surge), indicating it has been tested to survive at least ±8kV contact discharge and withstand surge waveforms up to 6kV line-to-line in compliance tests. These certifications are critical for products destined for markets requiring CE marking or automotive OEM specifications, as they provide assurance that the device will function reliably after experiencing real-world electrostatic discharges common in handling, installation, or lightning-induced surges.
When comparing the ESDA6V1W5-5/TR to similar 4-channel TVS diodes, what advantages does its integration density and package size offer in space-constrained designs?
The SOT-353 package provides a highly integrated solution with four channels in a surface-mount footprint measuring just 2.9mm x 1.6mm. Compared to discrete diode arrays or multi-device layouts, this reduces board real estate by up to 60% and simplifies assembly. Its small size also minimizes loop inductance, improving transient response speed. While other vendors offer comparable channel counts in larger packages like SOD-123FL or DFN-8, the SOT-353 strikes a balance between protection performance and manufacturability for compact consumer electronics, IoT modules, or wearable devices.
Is the ESDA6V1W5-5/TR suitable for protecting battery-powered devices, and how does its low leakage current impact standby power consumption?
Yes, the ESDA6V1W5-5/TR is well-suited for battery-operated systems due to its extremely low reverse leakage current of 1µA at 5V Vrwm. This contributes minimally to quiescent power draw, preserving battery life in portable equipment. For example, in a device operating on a 3.7V Li-ion cell, the leakage through four channels amounts to less than 4µA total, which is negligible compared to microcontroller sleep currents in the microamp range. Thus, the component aligns with green design principles and extends operational duration between charges.
What precautions should be taken when soldering the ESDA6V1W5-5/TR in mass production, and how does its packaging format influence process parameters?
As part of the Tape & Reel (TR) packaging, the ESDA6V1W5-5/TR is optimized for automated pick-and-place assembly. Soldering profiles should adhere to standard reflow protocols for lead-free processes, typically peaking around 245°C for 30–40 seconds within the recommended time above liquidus. Due to the small size and thin profile of the SOT-353, thermal symmetry across the leads must be ensured to prevent tombstoning or insufficient wetting. Proper alignment during placement and adherence to IPC Class 2 standards help maintain yield and reliability in high-volume manufacturing.
How does the clamping voltage of 13V compare to other TVS diodes in the same voltage class, and what does this imply for downstream component selection?
With a clamping voltage of 13V, the ESDA6V1W5-5/TR falls within the typical range for 5V-rated protection devices but offers relatively tight clamping compared to some competitors whose clamping voltages may exceed 15V under identical test conditions. This lower clamping level provides more margin for protecting ICs with absolute maximum ratings near 12V, reducing the risk of damage during surge events. Designers selecting host ICs should verify that the IC’s VCC withstand capability exceeds 13V by a sufficient safety margin to accommodate variations in clamping behavior across different surge waveforms.
Can the ESDA6V1W5-5/TR be used in conjunction with series resistors or ferrite beads, and what are the potential benefits or drawbacks of such configurations?
Yes, the ESDA6V1W5-5/TR can be combined with series resistors or ferrite beads to limit inrush current or filter high-frequency noise before surge energy reaches the TVS. A 10Ω resistor, for instance, would reduce peak current by nearly 90% during a surge, extending device life. However, excessive series resistance increases voltage drop under normal operation and may interfere with signal amplitude. Ferrite beads add inductance, which can resonate with parasitic capacitance, potentially creating impedance peaks at specific frequencies. Careful tuning is required to balance filtering effectiveness with signal integrity and surge attenuation.
What role does the number of channels play in determining the suitability of the ESDA6V1W5-5/TR for complex peripheral protection architectures?
Four channels allow the ESDA6V1W5-5/TR to protect a full set of general-purpose I/Os without requiring additional discrete components. This is particularly useful in microcontrollers with four or more external interfaces needing ESD protection. By consolidating protection into a single device, system complexity decreases, bill-of-materials cost reduces, and trace routing becomes more predictable. For peripherals beyond four pins, multiple devices may be cascaded, but this increases footprint and capacitance—highlighting the importance of matching channel count to actual interface requirements.
How does the unidirectional nature of the ESDA6V1W5-5/TR affect its performance in differential signaling environments, and are there limitations to consider?
In differential signaling (e.g., CAN bus or LVDS), where surge events often manifest as common-mode voltages, the unidirectional characteristic does not inherently impair protection since common-mode surges appear equally on both lines relative to ground. However, if a surge occurs predominantly on one line while the other remains at reference, the asymmetric clamping behavior could lead to unequal stress distribution. Moreover, if the system lacks a true ground reference or uses floating grounds, the concept of "unidirectional" becomes ambiguous. Thus, while compatible with most differential applications, verification under worst-case fault simulations is advisable.
What evidence supports the long-term reliability of the ESDA6V1W5-5/TR in field-deployed applications, and how do aging effects impact its performance over time?
While datasheets typically specify initial performance under JEDEC-standard tests, long-term field data for the ESDA6V1W5-5/TR is limited. However, based on industry practices for similar TVS devices, gradual degradation is possible due to repeated surge exposure, especially at elevated temperatures. Parameters such as breakdown voltage may shift slightly, and leakage current could increase incrementally. To mitigate risk, designers should implement derating practices—such as limiting expected surge events to fewer than one per hour or using redundancy—and select components with appropriate safety margins in critical applications like medical devices or avionics.

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DHL & FedEx Shipment Charges Reference
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1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
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ESDA6V1W5-5/TR Image

ESDA6V1W5-5/TR

WILLSEMI
32D-ESDA6V1W5-5/TR

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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