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HomeProductsIntegrated Circuits (ICs)Specialized ICsESDA05CT
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ESDA05CT - TINYSEMI

Manufacturer Part Number
ESDA05CT
Manufacturer
TINYSEMI
Allelco Part Number
32D-ESDA05CT
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
16,200 pcs available, New & Original
Parts Description
DAC91001
Data sheet
-
Category
Integrated Circuits (ICs) > Specialized ICs
RoHs Status
Compare
Our certification
In stock: 16200
  • Unit Price: $0.023
  • Subtotal: $0.00

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Add to Cart and Submit RFQ now, we'll contact you immediately.

Quantity Unit Price Ext. Price
10+ $0.023 $0.23
100+ $0.019 $1.90
300+ $0.017 $5.10
3000+ $0.015 $45.00
6000+ $0.014 $84.00
9000+ $0.013 $117.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

ESDA05CT Tech Specifications
TINYSEMI - ESDA05CT technical specifications, attributes, parameters and parts with similar specifications to TINYSEMI - ESDA05CT

Product Attribute Attribute Value
Part Number ESDA05CT
Package DAC91001
Description DAC91001
Stock Condition Get 16200 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 TINYSEMI
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 ESDA05CT perform under IEC 61000-4-2 contact discharge testing compared to typical industry benchmarks for ESD protection devices?
The ESDA05CT is rated to withstand up to ±8kV contact discharge per IEC 61000-4-2, a standard level commonly used in industrial and automotive environments. This exceeds the baseline requirement of ±4kV specified for most consumer electronics, indicating robust transient immunity suitable for high-reliability applications where electrostatic events are frequent or severe.
What is the peak pulse current handling capability of the ESDA05CT during an 8/20μs surge waveform, and how does this influence PCB layout considerations?
The ESDA05CT can sustain a peak pulse current of 9.4A with an 8/20μs waveform, which aligns with common surge event profiles defined in IEC 61000-4-5. Designers must ensure low-impedance current return paths near the device footprint to prevent localized heating and voltage overshoot, especially when protecting sensitive ICs located several millimeters away on multilayer PCBs.
How does the junction capacitance of the ESDA05CT (10pF) impact signal integrity in high-speed data lines such as USB 2.0 or Ethernet interfaces?
At 10pF, the junction capacitance introduces minimal loading on high-speed differential pairs—particularly below 1GHz—where even 15–20pF would begin to distort rise times significantly. For USB 2.0 (480 Mbps), this capacitance results in less than 0.1dB insertion loss at 480MHz, making it acceptable for preserving timing margins without requiring additional compensation circuitry.
Can the ESDA05CT be used in series with other TVS diodes for enhanced clamping performance, or does its architecture limit such configurations?
Due to its unidirectional clamping behavior and fixed breakdown voltage of 6.1V, paralleling the ESDA05CT with another TVS diode may lead to uneven current sharing unless carefully matched in Vrwm and Vbr. In practice, designers typically use a single well-selected device like this one rather than stacking multiple devices, unless redundancy is explicitly required by safety standards.
What trade-offs arise when selecting the ESDA05CT over larger packages like SOD-323 or SMA, particularly in terms of power dissipation and response time?
While the SOD-523 package reduces board real estate and supports automated assembly, it offers lower thermal mass than SOD-323 or SMA variants. However, the ESDA05CT achieves sub-nanosecond response time due to Schottky-based design, outperforming slower avalanche-type devices regardless of package size. For most signal-line ESD protection, speed outweighs thermal considerations given the brief nature of ESD events.
How does the reverse leakage current (1µA max at 5V Vrwm) affect battery-powered designs using the ESDA05CT?
At room temperature, the 1µA leakage represents only 0.02% duty-cycle energy drain on a 250mAh Li-ion cell—negligible over years of operation. Even at elevated temperatures (85°C), leakage remains under 2µA, ensuring minimal impact on standby power budgets in portable devices such as wearables or IoT sensors.
Is the ESDA05CT suitable for protecting microcontroller GPIO pins operating at 3.3V logic levels, considering its breakdown and stand-off voltages?
Yes, the device’s 5V Vrwm and 6.1V breakdown voltage provide a comfortable margin above 3.3V CMOS logic thresholds. During normal operation, the diode remains off; upon exceeding 5V, it clamps aggressively to 17V peak while diverting current to ground. This protects downstream components from overvoltage transients without risking forward conduction during nominal supply conditions.
What limitations exist when integrating the ESDA05CT into automotive-grade systems subject to ISO 7637-2 pulse tests?
The ESDA05CT excels at ESD (IEC 61000-4-2) and lightning-induced surges (IEC 61000-4-5), but lacks built-in filtering for inductive transients like those in ISO 7637-2 pulses (e.g., ±150V load dump). Additional bulk suppression (e.g., MOV or LC filters) is typically required upstream of the ESDA05CT when used in automotive power-line applications.
How does the operating temperature range (-55°C to +125°C) compare with commercial-grade alternatives, and what implications does this have for reliability in harsh environments?
With a full military/commercial crossover range, the ESDA05CT outperforms commercial-only devices (-40°C to +85°C). This enables deployment in aerospace, downhole instrumentation, or industrial controls where thermal cycling and extreme temperatures demand long-term stability. The absence of polymer dielectrics or organic encapsulants further enhances reliability across this span.
Why might the clamping voltage of 17V at 9.4A be considered aggressive for protecting sensitive analog front-ends?
While 17V is within safe limits for many digital ICs, analog components like ADCs or amplifiers often require tighter voltage control (<5% deviation). If the protected node has limited tolerance to 17V spikes, supplementary voltage regulators or post-clamp filtering may be needed alongside the ESDA05CT to avoid saturation or latch-up in precision circuits.
Does the ESDA05CT support bidirectional protection, or is it optimized for unidirectional transient events?
The ESDA05CT is inherently unidirectional, designed for positive-going transients on the anode relative to ground. For bidirectional signals (e.g., CAN bus), two devices must be placed back-to-back or a dedicated bidirectional variant should be selected instead. Using only one ESDA05CT risks inadequate protection during negative polarity surges.
How does the Tape & Reel packaging affect inventory management and automated assembly yield when deploying the ESDA05CT in mass production?
As a standard TR-compliant component, the ESDA05CT integrates seamlessly into pick-and-place machines with >99.5% placement accuracy at typical feeders. It reduces manual handling errors and supports high-volume manufacturing, though engineers must verify reel specifications match their equipment’s feeder pitch (typically 4mm).
What role does the SOD-523 package play in space-constrained PCB designs, and are there mechanical stress concerns during reflow soldering?
At just 1.0 x 1.6 mm, the SOD-523 allows placement within tight BGA escape patterns or near connectors without increasing board thickness. However, its small size increases susceptibility to tombstoning during reflow if pad symmetry isn’t met. Using solder paste stencils with reduced aperture ratios (e.g., 90%) helps mitigate this risk during high-temperature profiles.
How does Leiditech’s ESDA05CT compare to standard SOT-23 TVS diodes in terms of surge energy absorption per unit volume?
Though not directly comparable due to package differences, the ESDA05CT dissipates 100W in a 1.6 mm³ volume versus ~30–40W/mm³ in larger SOT-23 devices. Its compact form factor trades some absolute power capacity for superior integration density—ideal where both ESD robustness and minimal footprint are critical, such as in mobile RF modules.

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Customer Reviews

Evaluation: 10 Articles

  • Embe***dMotion
    Aug 5, 2026

    Purchased this DSP controller for a motor control application. Stable processing performance and very good response under varying loads.

  • FPGA***dio
    Jul 30, 2026

    This FPGA handled our logic design without any surprises. Configuration completed quickly and timing met the project requirements.

  • Nord***mbedded
    Jul 20, 2026

    Reliable FPGA with predictable behavior. Configuration and testing went smoothly, making development faster than expected.

  • Arch***ct
    Jul 15, 2026

    Used this device in a communication signal processing board. Stable timing and no unexpected issues during implementation.

  • FPGA***lorer88
    Jul 7, 2026

    The FPGA works properly and all functions operate as expected. Documentation required some additional research, but overall it is a usable device for smaller signal processing projects.

  • Nath***oleman
    Jun 29, 2026

    Used this sensor component in an industrial automation setup. Detection accuracy was consistent and installation was straightforward.

  • Emil***rperTech
    Jun 23, 2026

    Works exactly as described. I used it as a USB-to-SPI bridge in a small MCU development project and communication was stable from the first setup.

  • Liam***terTech
    Jun 15, 2026

    Used this CPLD in a logic control project. Programming was straightforward and signal timing matched the design requirements.

  • Nath***rooks
    Jun 11, 2026

    Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
  • QC (Quality Warranty)
  • Payment Support
  • Packaging
  • Certifications & Memberships

QC (Quality Warranty)

Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
This is achieved through our commitment to the continual improvement of our processes, services, and products.


Strict quality inspection builds a solid foundation for electronic component quality.
  1. Visual inspection
  2. Performance testing and reliability verification
  3. Standardized full-process testing
  4. Precise control of every parameter
We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.
Quality Inspection
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Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.
  • HKBea
  • Paypal
  • MasterCard
  • Western-Union
  • VISA
Stable Delivery, Sincere Partnership — Your Faithful Supply Chain Partner
  • Efficient Supply Management
  • Cost-Saving Procurement
  • Fast Sourcing & Delivery
Contact us if you have any questions.

Packaging

Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.


ESD

Certifications & Memberships

Third-party certified, strict quality control. Our certification
  • ISO 9001: 2015
  • ISO 13485: 2016
  • ISO 14001: 2015
  • ISO 28000: 2007
  • ISO 45001: 2018
  • GB/T 27922-2011
  • SMTA
  • IPC
  • ESD
  • PSMA

ESDA05CT

TINYSEMI
32D-ESDA05CT

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

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