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Home > Products > Integrated Circuits (ICs) > Specialized ICs > EZACT304SAJ
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EZACT304SAJ

Manufacturer Part Number:
EZACT304SAJ
Manufacturer / Brand
PANASONIC
Part of Description:
PANASONIC SMD0805
Datasheets:
Lead Free Status / RoHS Status:
RoHS Compliant
Stock Condition:
New original, 50100 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number EZACT304SAJ
Manufacturer / Brand PANASONIC
Stock Quantity 50100 pcs Stock
Category Integrated Circuits (ICs) > Specialized ICs
Description PANASONIC SMD0805
Lead Free Status / RoHS Status: RoHS Compliant
RFQ EZACT304SAJ Datasheets EZACT304SAJ Details PDF
EZACT304SAJ Details PDF for FR.pdf
EZACT304SAJ Details PDF for KR.pdf
EZACT304SAJ Details PDF for DE.pdf
EZACT304SAJ Details PDF for IT.pdf
EZACT304SAJ Details PDF for ES.pdf
Condition New Original Stock
Warranty 100% Perfect Functions
Lead Time 2-3days after payment.
Payment Credit Card / PayPal / Telegraphic Transfer (T/T) / Western Union
Shipping by DHL / Fedex / UPS / TNT
Port HongKong
RFQ Email Info@IC-Components.com

Packaging & ESD

Industry-standard static shielding packaging is used for electronic components.Anti-static, light-transparent materials allow easy identification of ICs and PCB assemblies.
The packaging structure provides electrostatic protection based on Faraday cage principles.This helps protect sensitive components from static discharge during handling and transportation.


All products are packed in ESD-safe anti-static packaging. Outer packaging labels include part number, brand, and quantity for clear identification. Goods are inspected prior to shipment to ensure proper condition and authenticity.

ESD protection is maintained throughout packing, handling, and global transportation. Secure packaging provides reliable sealing and resistance during transit. Additional cushioning materials are applied when required to protect sensitive components.

QC(Part Testing by IC Components)Quality Warranty

We can offer worldwide express delivery service, such as DHLor FedEx or TNT or UPS or other forwarder for shipment.

Global Shipment by DHL/FedEx/TNT/UPS

Shipping Fees reference DHL/FedEx
1). You can offer your express delivery account for shipment, ifyou haven’t any express account for shipment, we can offer our account inadvance.
2). Use our account for shipment, Shipment charges(Reference DHL/FedEx, Different Countries has different price.)
Shipment charges： (Reference DHL and FedEX)
Weight(KG): 0.00kg-1.00kg Price(USD$) : USD$60.00
Weight(KG): 1.00kg-2.00kg Price(USD$) : USD$80.00
* The price of cost is reference with DHL/FedEx. The detail charges, please contact us. Different country the express charges are different.



We accept the payment terms: Telegraphic Transfer(T/T), Credit Card, PayPal and Western Union.

PayPal:

PayPal Bank Information:
Company Name : IC COMPONENTS LTD
Paypal ID: Info@IC-Components.com

BANK TRANSFAR (Telegraphic Transfer)

Payment For Telegraphic Transfers:
Company Name : IC COMPONENTS LTD Beneficiary Account Number : 549-100669-701
Beneficiary Bank name : Bank of Communications (Hong Kong) Ltd Beneficiary Bank Code : 382 (for local payment)
Beneficiary Bank SWIFT : COMMHKHK
Beneficiary Bank Address : Tsuen Wan Market Street Branch 53 Market Street, Tsuen Wan N.T., Hong Kong

Any inquires or questions, please kindly contact us Email: Info@IC-Components.com


Frequently Asked Questions

EZACT304SAJ SMD0805 varistor can I use it in a high-humidity industrial environment without encapsulation or conformal coating?
The EZACT304SAJ is rated for a maximum operating temperature of +85°C and has no stated moisture sensitivity level above IPC/JEDEC J-STD-020C. In high-humidity environments without protective coatings, long-term exposure may degrade solder joint integrity and accelerate corrosion at the termination interface, potentially leading to open-circuit failure. Engineers should consider environmental sealing or alternative parts with higher humidity tolerance if used in such conditions.
Can the EZACT304SAJ be safely used near a 12V DC power line that experiences brief voltage transients up to 25V?
The EZACT304SAJ has a nominal DC working voltage (Vc) of 30V and a clamping voltage (Vn) typically around 47V at 10A pulse. While it will not conduct under steady 12V operation, its response time is on the order of nanoseconds, allowing it to suppress brief transients up to 25V within its energy absorption capability. However, repeated or frequent transient events may cause cumulative degradation, so application-specific surge testing is recommended.
What are the thermal implications of placing the EZACT304SAJ in close proximity to a high-power IC on the same PCB?
The EZACT304SAJ is designed for low-energy surge suppression and is not intended for continuous thermal load sharing. Placing it near a high-power IC may expose it to elevated ambient temperatures, approaching or exceeding its +85°C limit. This reduces reliability margins and increases the risk of premature aging. Thermal simulation or layout separation should be considered for sustained high-temperature environments.
How does the EZACT304SAJ compare to Vishay VDRS0805151KHE in terms of surge current handling for telecom line protection?
The EZACT304SAJ supports a peak impulse current (Ipp) of 35A at 8/20μs waveform, whereas Vishay VDRS0805151KHE handles 50A under the same condition. For telecom applications requiring robust line protection, the EZACT304SAJ may be insufficient for severe surge scenarios. Migration to a higher-rated part like the VDRS0805151KHE improves safety margin but requires verifying footprint and voltage compatibility.
Is it acceptable to replace the EZACT304SAJ with a Bourns 5950-099-LF in a space-constrained automotive ECU design?
The Bourns 5950-099-LF shares the SMD0805 footprint and 30V DC rating with the EZACT304SAJ, but its clamping voltage is slightly lower (~42V). While mechanically and electrically compatible, the reduced clamping threshold may offer less protection margin in high-inductance fault conditions. Engineers must validate transient response under actual system conditions before substituting.
Can the EZACT304SAJ be used in parallel with another varistor to increase surge current handling?
Parallel varistors introduce imbalance due to manufacturing tolerances in breakdown voltage and response time. The EZACT304SAJ, like most SMD varistors, is not designed for paralleling. Uneven current distribution may cause one device to overheat while the other remains inactive, leading to early failure. A single, appropriately rated varistor or a multi-stage protection network is preferred.
What happens if the EZACT304SAJ is exposed to a voltage spike exceeding its maximum clamping level during an ESD event?
Exceeding the EZACT304SAJ’s peak pulse power (typically 500W–600W) or clamping voltage during an ESD event can cause internal dielectric breakdown. This may result in a short-circuit failure mode, creating a hazardous condition or disrupting system operation. Proper placement close to the protected node and coordination with other protection components is essential to stay within safe operating limits.
How does the EZACT304SAJ perform when subjected to multiple surge cycles compared to a gas discharge tube?
The EZACT304SAJ offers fast response and excellent repeatability for multiple surges, typically surviving 10+ pulses of 65A at 8/20μs. Gas discharge tubes, by contrast, have slower response times and wear out more quickly under repetitive surges. For digital circuits sensitive to fast transients, the EZACT304SAJ provides superior performance, though it lacks the high-energy handling of GDTs.
Can the EZACT304SAJ be used as a replacement for a through-hole varistor in a legacy design with automated SMD assembly?
Yes, the EZACT305SAJ is fully compatible with standard reflow profiles and SMD pick-and-place processes. It replaces through-hole equivalents like the P/N EZACT304SBJ, offering improved board space efficiency and mechanical stability. However, ensure the original part’s surge rating and voltage tolerance match or exceed the EZACT304SAJ’s specifications before migration.
What are the limitations of using the EZACT304SAJ in battery-powered devices with strict leakage current requirements?
The EZACT304SAJ has a typical leakage current of <1µA under normal conditions, which is suitable for most low-power applications. However, in ultra-low-power systems where even microamps matter—such as IoT sensors—the cumulative leakage across multiple protection devices may impact battery life. Consider using discrete TVS diodes with tighter leakage specs if the application demands extreme power efficiency.

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