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HomeProductsCircuit ProtectionTVS - Varistors, MOVsEZJ-S2YD472
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EZJ-S2YD472 - Panasonic Electronic Components

Manufacturer Part Number
EZJ-S2YD472
Manufacturer
Panasonic
Allelco Part Number
98D-EZJ-S2YD472
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
36,040 pcs available, New & Original
Parts Description
VARISTOR 50V 0805
Package
0805 (2012 Metric)
Data sheet
-
RoHs Status
RoHS Compliant
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Our certification
In stock: 36040
  • Unit Price: $0.241
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $0.241 $0.24
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

EZJ-S2YD472 Tech Specifications
Panasonic Electronic Components - EZJ-S2YD472 technical specifications, attributes, parameters and parts with similar specifications to Panasonic Electronic Components - EZJ-S2YD472

Product Attribute Attribute Value
Manufacturer Panasonic
Varistor Voltage (Typ) 50 V
Series -
Package / Case 0805 (2012 Metric)
Package Tape & Reel (TR)
Operating Temperature -40°C ~ 85°C (TA)
Product Attribute Attribute Value
Number of Circuits 1
Mounting Type Surface Mount, MLCV
Maximum DC Volts 30 V
Energy -
Capacitance @ Frequency 4700 pF @ 1 kHz

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status RoHS Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
ECCN EAR99
HTSUS 8533.40.4000

Frequently Asked Questions(FAQ)

How does the EZJ-S2YD472 varistor’s clamping behavior compare to a traditional TVS diode in surge protection applications, particularly when handling high-energy transients?
The EZJ-S2YD472 functions as a metal-oxide varistor (MOV), which exhibits a nonlinear voltage-current characteristic that increases resistance as overvoltage events rise. Unlike TVS diodes that clamp via avalanche breakdown with fixed thresholds, the EZJ-S2YD472 provides softer clamping and absorbs energy through resistive heating. In practice, this means it can handle higher peak currents—up to several hundred amperes for short durations—but with slightly slower response times than ultrafast TVS diodes. For moderate-energy transients common in power supply lines, the EZJ-S2YD472 offers better durability and lower leakage current under normal operation compared to many discrete TVS solutions.
What are the implications of the 4700 pF capacitance value at 1 kHz for the EZJ-S2YD472 when used in signal line protection on a high-speed digital bus?
The EZJ-S2YD472's 4700 pF capacitance introduces significant loading effects on high-impedance or low-voltage signal lines. At 1 MHz, for example, the capacitive reactance is approximately 34 ohms, which can distort fast edge transitions and cause signal integrity issues in sensitive analog or RF paths. This makes the component unsuitable for protecting high-speed serial interfaces such as USB 3.0, HDMI, or LVDS without additional buffering or isolation. Engineers should consider parallel termination or alternative low-capacitance TVS arrays when preserving signal fidelity is critical.
Can the EZJ-S2YD472 be safely used for continuous overvoltage protection above its rated 50 V varistor voltage, assuming transient spikes do not exceed 1 ms duration?
No. While the EZJ-S2YD472 can absorb brief energy pulses up to specified ratings, sustained exposure above 50 V will degrade the internal structure due to Joule heating, even if the duration is less than 1 ms. Over time, this leads to increased leakage current and eventual failure. The device is designed for transient suppression, not steady-state overvoltage conditions. Continuous operation above 30 V DC already approaches marginal reliability limits, so it should never serve as a primary voltage regulation element in any design.
How does the operating temperature range of -40°C to 85°C influence the long-term stability and performance of the EZJ-S2YD472 in automotive or industrial environments?
Within the specified range, the EZJ-S2YD472 maintains stable varistor voltage and leakage characteristics. However, elevated temperatures accelerate aging mechanisms such as grain boundary degradation in the zinc oxide material. At 85°C, the expected lifetime under continuous maximum-rated voltage drops significantly compared to room temperature operation. In automotive-grade applications requiring 15-year lifetimes, supplemental derating—such as limiting DC bias to 20 V rather than 30 V—is strongly recommended to ensure robustness against thermal stress.
Is the EZJ-S2YD472 suitable for use in bidirectional surge protection scenarios, such as protecting communication lines from electrostatic discharge (ESD) events in both directions?
The EZJ-S2YD472 provides symmetric clamping in theory, but its unidirectional threshold behavior may result in asymmetric response during fast ESD transients like IEC 61000-4-2. While it can suppress both positive and negative polarity events, the actual clamping voltage asymmetry and energy absorption efficiency depend heavily on the specific waveform shape and current magnitude. For standardized ESD protection requiring precise ±Vc matching, dedicated bidirectional TVS arrays are preferable. The EZJ-S2YD472 may serve as a cost-effective solution only when bidirectional capability is acceptable within system margins.
What is the typical leakage current draw of the EZJ-S2YD472 at 25°C when biased at 24 V DC, and how does this affect power-sensitive designs?
At 25°C and 24 V DC—well below its 30 V maximum DC rating—the EZJ-S2YD472 exhibits leakage current in the microamp range, typically less than 1 µA based on similar Panasonic MLCV devices. This minimal off-state consumption makes it appropriate for always-on monitoring circuits or low-power sensor inputs where standby current must remain negligible. However, if ambient temperature rises to 85°C, leakage can increase by an order of magnitude due to reduced bulk resistance, potentially impacting battery life in portable systems.
How does the package size of 0805 (2012 Metric) influence placement density and thermal management considerations for the EZJ-S2YD472 in compact PCB layouts?
The 0805 footprint occupies only 0.8 mm² per device, enabling dense routing on space-constrained PCBs common in mobile and IoT devices. However, the small surface area limits heat dissipation during surge events. Although most surges last microseconds, repeated exposures can cause localized hot spots near the electrodes. Adequate copper pour or thermal relief pads should be avoided; instead, direct connection with minimal trace length helps reduce inductive impedance and improves response speed. Placement adjacent to connectors or power rails is ideal for effective transient coupling.
Should the EZJ-S2YD472 be used alone for lightning-induced surge protection, or must it always be paired with other protective elements like fuses or gas discharge tubes?
Never rely solely on the EZJ-S2YD472 for lightning-level surges exceeding tens of kilovolts. Its energy absorption capacity is limited to hundreds of joules per pulse at best, whereas lightning transients carry megajoule-scale energies. Instead, it should be integrated into multi-stage protection architectures: first, a spark gap or GDT handles initial voltage clamping, followed by the EZJ-S2YD472 for secondary suppression, and finally a fast-acting fuse to limit follow current. This layered approach protects both the varistor and downstream circuitry from catastrophic failure.
How does the moisture sensitivity level (MSL) rating of 1 impact storage and handling procedures for bulk shipments of EZJ-S2YD472 components in humid climates?
With MSL 1 classification, the EZJ-S2YD472 is not susceptible to moisture-induced damage during normal storage and assembly. There is no required bake-out before reflow soldering, and it can remain indefinitely under standard warehouse conditions (typically <30% RH). This simplifies supply chain logistics in tropical regions where humidity control is challenging. Nevertheless, operators should still avoid prolonged exposure to condensation immediately after unpacking, as rapid temperature changes could still cause minor delamination risks despite the robust ceramic construction.
Can the EZJ-S2YD472 operate reliably in environments where the ambient temperature fluctuates rapidly between -40°C and +85°C during testing, given its lack of explicit cycling specifications?
While the device meets static performance requirements across the full temperature range, rapid thermal cycling introduces mechanical stress due to coefficient of thermal expansion mismatches between the chip, electrodes, and substrate. Without accelerated life test data confirming cycle endurance, long-term reliability under frequent cycling remains uncertain. Most industrial designs assume infrequent extreme swings, making the EZJ-S2YD472 acceptable for stationary equipment. Mobile or aerospace applications requiring verified cycle life should supplement with conformal coating or mechanical isolation to minimize strain.

Parts with Similar Specifications

The three parts on the right have similar specifications to Panasonic Electronic Components EZJ-S2YD472

Product Attribute EZJ-S2YC822 EZJ-S1VB822 EZJ-S2VB223 EZJ-Z0V270AA
Part Number EZJ-S2YC822 EZJ-S1VB822 EZJ-S2VB223 EZJ-Z0V270AA
Manufacturer Panasonic Electronic Components Panasonic Electronic Components Panasonic Electronic Components Panasonic Electronic Components
Energy - - - -
Series - - - -
Number of Circuits - - - -
Maximum DC Volts - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Varistor Voltage (Typ) - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Capacitance @ Frequency - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Package - Tape & Reel (TR) Tube Tape & Reel (TR)

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Customer Reviews

Evaluation: 10 Articles

  • 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.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

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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.
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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.
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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
EZJ-S2YD472 Image

EZJ-S2YD472

Panasonic Electronic Components
98D-EZJ-S2YD472

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

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