1N4728A-TR Diodes - Zener - Single by Vishay

Specifies the physical diameter of the component package, typically for cylindrical parts like capacitors, resistors, or fuses. Verify this dimension against your PCB layout and mechanical clearance requirements to ensure proper fit and assembly.

Lifecycle status of the part, such as active or obsolete. Indicates availability and long-term support from the manufacturer. Check this before design-in to avoid last-time buys or supply disruptions. Verify with the datasheet or distributor for current status.

Specifies how the component is attached to the PCB, such as through-hole or surface mount. This affects assembly processes, thermal performance, and mechanical strength. Buyers should verify compatibility with their manufacturing capabilities and design requirements.

Published indicates the date when the product data was released or updated in the catalog. It helps buyers assess the freshness of the information and whether the component is current or possibly obsolete. Check the datasheet for the latest revisions.

Shows whether the component complies with the EU REACH regulation. Essential for legal market access in Europe. Check the manufacturer's latest statement to confirm that no substances of very high concern are present above the threshold.

Export Control Classification Number assigned by the U.S. government. Determines whether the component requires an export license. Essential for international trade compliance. Verify the ECCN with the manufacturer or supplier before shipping to avoid legal issues.

Indicates whether the component is manufactured without lead, complying with RoHS and similar regulations. Check this attribute to ensure environmental compliance for your market. Verify against the datasheet for exact material declarations.

Indicates the typical duration from order confirmation to shipment from the manufacturer's facility. This helps you plan production schedules and inventory. Verify current lead times with your distributor or supplier, as they may vary based on order quantity, product availability, and market conditions.

Indicates the form of delivery for the component, such as tape and reel, tube, or tray. This affects handling, storage, and assembly processes. Verify the packaging type matches your production requirements and equipment compatibility.

Maximum temperature during reflow soldering that the component can withstand. This is critical for solder joint reliability and preventing damage. Verify that the peak reflow temperature is compatible with your soldering profile and the component's moisture sensitivity level.

Describes the internal arrangement of components, such as resistor networks or switch contacts. This affects the circuit topology and pinout. Engineers must verify this configuration against the datasheet to ensure correct integration into the PCB layout and proper functionality.

Identifies the company that designed and produced the component. Buyers often filter by manufacturer to ensure brand reliability, quality standards, and supply chain consistency. Verify the manufacturer against the datasheet and official packaging to avoid counterfeit parts.

Specifies the metal coating applied to the contact surfaces of connectors, switches, or relays. This finish affects conductivity, corrosion resistance, and durability. Engineers should verify the plating material and thickness against the datasheet to ensure reliable performance in the intended environment.

Lists the product categories or classifications assigned to this component, such as connectors, capacitors, or modules. This helps in filtering and comparing similar parts. Review the categories to ensure the component fits your application and to find alternative parts in the same class.

Maximum power the component can safely dissipate as heat without damage. Exceeding this may cause failure. Check datasheet for thermal resistance and derating curves under your operating conditions.

Indicates the product series or family, grouping components with similar design and specifications. Helps identify compatible parts and compare within a product line. Verify the series against the datasheet to ensure correct application.

Describes the physical configuration of the component's leads or pads, such as through-hole, surface mount, or gull-wing. This affects PCB layout, soldering process, and mechanical fit. Confirm compatibility with your assembly method and footprint.

Allowed deviation from the nominal value, expressed as a percentage. Determines precision of resistors, capacitors, and inductors. Choose tighter tolerance for precision circuits, but verify actual performance in the datasheet.

Indicates the specific product subcategories or classifications within the broader component family. Helps narrow down search results and identify the exact type of component needed for your design. Review the subcategory to ensure compatibility with your application.

Harmonized Tariff Schedule code used for customs classification of electronic components. Helps determine duties and regulatory requirements. Buyers should confirm the code with a customs broker for accurate shipping.

Physical package or case type of the component, defining its dimensions, mounting style, and thermal characteristics. Common types include SMD, through-hole, BGA, and QFN. Choose the package that fits your PCB layout and assembly process. Verify the exact package code in the datasheet for footprint compatibility.

Maximum time the component can be exposed to the peak reflow temperature during soldering. Exceeding this duration may cause damage or degrade reliability. Ensure your soldering profile stays within this limit and check the datasheet for exact conditions.

Indicates if the component is designed to withstand ionizing radiation in space, nuclear, or high-energy physics applications. Compare radiation-tolerant vs. radiation-hardened parts for mission-critical designs. Verify the total ionizing dose (TID) and single-event effect (SEE) ratings in the datasheet.

Specifies how the component attaches to the PCB or assembly, such as surface mount, through-hole, or chassis mount. This affects soldering process, mechanical stability, and thermal performance. Verify compatibility with your board layout and assembly capabilities.

Indicates the total number of electrical connection points on the component, such as pins or pads. This is critical for PCB footprint design and assembly. Verify it matches the package specification to ensure proper soldering and connectivity.

Maximum power the component can safely dissipate as heat without exceeding its thermal limits. Compare this rating with your application's expected power loss to ensure reliable operation. Always verify against the datasheet's derating curves and ambient temperature conditions.

Total number of pins or contacts on the component. This determines the footprint and mating connector requirements. Always match the pin count to your PCB layout and connector specification to ensure proper electrical and mechanical connection.

Indicates the permissible deviation from the nominal voltage rating for a component. Engineers compare this to ensure stable operation within circuit limits. Verify against the datasheet for exact conditions, especially for power supplies, regulators, and voltage references.

Total number of pins or terminals on the component package. Essential for footprint design, PCB layout, and connector mating. Verify against the datasheet to ensure compatibility with your board and assembly process.

Indicates the maximum allowable deviation from the nominal voltage rating for this component. Engineers compare this tolerance to ensure stable operation under real-world conditions. Verify against the datasheet when designing circuits with tight voltage requirements.

Specifies whether the component or signal has a defined positive and negative orientation, such as for diodes, electrolytic capacitors, or connectors. Incorrect polarity can cause failure or unsafe operation. Always check the datasheet and board markings before installation.

Manufacturing technology or process used for the component, such as thin film, thick film, or semiconductor process. Affects performance, stability, and cost. Confirm the technology matches your application requirements and environmental conditions.

Indicates how the component's case or package is electrically connected, such as to ground, a supply rail, or left floating. This affects thermal management, shielding, and circuit isolation. Always confirm with the datasheet to ensure proper PCB layout and avoid unintended shorts or noise coupling.

Specifies the opposition to alternating current in a component, typically for RF or high-speed signal paths. Compare values to ensure proper impedance matching and signal integrity. Verify against the datasheet for your application frequency.

Specifies the highest impedance value the component can exhibit under rated conditions. Compare this parameter when selecting components for impedance matching or filtering circuits. Always verify against the datasheet for frequency and bias dependencies.

Specifies the nominal reverse breakdown voltage at which the Zener diode begins conducting in the breakdown region. Compare this value with the required regulation voltage for your circuit. Always verify the exact voltage and tolerance in the datasheet, as it affects voltage reference and clamping applications.

Specifies the stable voltage output used as a benchmark for the component's operation. Compare this value when selecting voltage references or regulators. Always verify against the datasheet for accuracy and temperature stability.

Defines the maximum continuous voltage that can be applied across the component during normal operation without degradation. This is critical for capacitors, connectors, and insulation ratings. Check the datasheet to confirm the safe operating range and any environmental derating.

Specifies the ambient temperature range within which the component reliably functions. Compare this with your application's thermal environment to ensure proper operation. Always verify against the datasheet for derating curves and maximum ratings.

Specifies the physical length of the component body, typically in millimeters. This dimension is critical for PCB layout and mechanical fit. Verify against the datasheet to ensure proper clearance and alignment in your design.

Specifies the current flowing through the Zener diode in its breakdown region, which determines the voltage regulation point. Verify this value against the datasheet to ensure the diode operates within its safe current range for your circuit design.

Identifies the core product family without package, grade, or option suffixes. Use this to compare equivalent components across manufacturers and to locate the primary datasheet. Verify the full ordering code against the manufacturer's specification before design-in.

The unique part number assigned by the original component manufacturer. Use this to cross-reference datasheets, verify specifications, and ensure the exact component matches your design requirements. Always confirm the number against the manufacturer's official documentation.

Indicates the floor life of a component before it must be baked prior to soldering. Higher levels require stricter handling and shorter exposure times. Verify the MSL rating in the datasheet to ensure proper storage and assembly conditions.

Indicates whether the product contains substances of very high concern as per the REACH regulation. Buyers should verify this for compliance with EU environmental standards, especially when exporting to Europe. Check the manufacturer's declaration or datasheet for accurate SVHC status.

Indicates whether the component complies with the EU RoHS directive restricting hazardous substances. Buyers should verify this status for regulatory compliance and market access. Check the datasheet or certificate for exact compliance details.

This code indicates the terminal finish material per JESD-609 standard. It helps identify the plating type for soldering compatibility and environmental compliance. Check the datasheet for the exact code and its meaning.

Harmonized Tariff Schedule of the United States code for customs classification. Essential for import/export documentation and duty calculation. Verify the correct code with a trade specialist to avoid customs delays.

Export Control Classification Number assigned by the U.S. Commerce Department. It determines export licensing requirements for electronic components. Verify the ECCN against the manufacturer's datasheet or export compliance documentation before shipping internationally.

Specifies the plating material on component terminals, affecting solderability, corrosion resistance, and long-term reliability. Compare finishes like tin, gold, or silver for your assembly process and environmental requirements. Verify against datasheet for compliance.

Select the diode classification such as Schottky, Zener, or standard rectifier. This defines the device's electrical behavior and typical applications. Verify the exact type against the datasheet to ensure it meets your circuit requirements for voltage, current, and switching speed.

Indicates how many independent functional sections are integrated into a single component package. This matters when comparing multi-channel devices or resistor networks. Always verify the exact element count against the datasheet to ensure it matches your circuit design requirements.

Semiconductor material used in the diode, such as silicon, germanium, or gallium arsenide. Affects forward voltage, speed, and temperature behavior. Choose based on your application's voltage, current, and switching requirements. Verify with datasheet specifications.

Forward voltage is the voltage drop across a diode or LED when it conducts current in the forward direction. It affects power dissipation and efficiency. Compare this value with your circuit's supply voltage and check the datasheet for the specified test current.

Specifies the highest reverse current that flows through the component when the rated reverse voltage is applied. Compare this value across diodes and rectifiers to ensure minimal leakage and stable operation. Verify against the datasheet for your operating temperature and voltage conditions.

Voltage at which the device starts conducting in reverse, marking its safe operating limit. Essential for selecting diodes and transistors for high-voltage applications. Always check this parameter against your circuit's maximum reverse voltage.

Small current flowing through a semiconductor junction when reverse voltage is applied. Lower leakage is preferred for precision and low-power circuits. Check this parameter at the specified reverse voltage to ensure it meets your application's requirements.

Maximum current that flows through the diode when reverse-biased and off. Compare this value to ensure minimal power loss and proper blocking in circuits. Verify against datasheet for temperature and voltage conditions.

This is the maximum voltage drop across the diode or LED when conducting the specified forward current. It affects power dissipation and efficiency. Compare this value with your circuit's supply voltage and current to ensure proper operation. Always verify against the datasheet for your specific part.

Specifies the current level applied during parameter measurement. Compare this value when evaluating test conditions across similar components. Always verify that the test current matches your application's operating point to ensure datasheet parameters are relevant.