FSA1259AK8X Interface - Analog Switches, Multiplexers, Demultiplexers by ON Semiconductor

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.

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.

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.

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.

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.

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.

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.

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 the count of independent functions or channels integrated into a single component package. This helps engineers determine if the part can handle multiple signal paths or operations simultaneously. Verify against the datasheet to ensure the device meets your circuit's functional requirements.

Indicates whether the component is lead-free per RoHS or other directives. Buyers use this to verify environmental compliance and avoid restricted substances. Always confirm with the datasheet or certificate of compliance.

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.

Current stage in the product's lifecycle, such as Active, Obsolete, or End of Life. This indicates availability and long-term supply risk. Check this before designing in a part to ensure it will be available for your product's production lifetime.

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.

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 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.

Physical width of the component body, typically in millimeters. Essential for PCB footprint design and mechanical fit. Verify against the datasheet to ensure proper clearance and compatibility with your board layout and enclosure.

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 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.

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 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.

Defines the upper limit of ambient temperature for reliable operation without thermal damage or performance degradation. Ensure your system's cooling keeps the component below this threshold. Check the datasheet for derating curves and thermal resistance values.

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.

Indicates the highest DC or AC voltage that can be safely applied to the power supply pin without risking damage or malfunction. Verify this limit against the datasheet before designing your circuit to ensure reliable operation under all conditions.

Position of the terminals on the package, such as dual-in-line, gull-wing, or J-lead. This affects PCB layout, soldering, and thermal performance. Engineers must ensure the terminal position matches the footprint and assembly capabilities of their manufacturing line.

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.

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.

Terminal pitch is the center-to-center distance between adjacent leads or pads on a component. It determines PCB layout compatibility and soldering feasibility. Verify against the datasheet to ensure your footprint matches the component's actual lead spacing.

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.

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.

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.

A more specific classification within the main product category, such as 'Ceramic Capacitor' under 'Capacitors'. This helps narrow down search results and compare similar components. Use it to filter products with similar characteristics and intended applications.

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.

Specifies the highest temperature the semiconductor junction can sustain without damage or degradation. Compare this limit with your operating conditions and thermal management to ensure reliable performance. Verify against the datasheet for derating curves and long-term reliability.

Physical height of the component, measured from the mounting surface to the topmost point. This dimension is critical for clearance in compact assemblies and for ensuring proper fit within enclosures. Always verify against the datasheet for tolerance and mounting considerations.

Specifies the number of output positions per pole in a switch, such as SPST or DPDT. This determines the switching logic and circuit routing. Verify against the datasheet to ensure the switch matches your application's required contact arrangement and signal path.

Specifies the nominal operating voltage that must be applied to the component for proper function. Verify this value against your system's power rail and the datasheet's absolute maximum ratings to ensure reliable operation and avoid damage.

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 lowest DC input voltage at which the component reliably operates. Compare this value with your system's power rail tolerances and the device's recommended operating conditions to ensure stable performance across all load and temperature ranges.

Maximum current drawn from the power supply under specified operating conditions. Compare this value across similar components to estimate power consumption and thermal load. Always verify against the datasheet for your exact supply voltage and load scenario.

Specifies the single positive supply voltage required for the component's operation. This is a key parameter for power design and compatibility. Always verify the absolute maximum ratings and recommended operating range in the datasheet to avoid damage and ensure stable performance.

This is the resistance between the main terminals when the device is fully turned on. Lower values reduce power loss and heat. Compare it with the datasheet for your operating current and voltage to ensure efficient switching.

Charge injection is the amount of charge transferred into a load during switching. It affects glitch energy and settling accuracy in sample-and-hold circuits. Compare values when selecting analog switches or multiplexers, and verify against the datasheet for your operating conditions.

Maximum time required for the device to transition from on-state to off-state after removal of the drive signal. Critical for switching power supplies and motor drives. Verify against datasheet timing diagrams to ensure it meets your circuit's dead-time and frequency requirements.

Indicates the frequency range where the component's gain or response remains within 3 dB of its nominal value. Engineers compare this to ensure signal fidelity in amplifiers, filters, and communication circuits. Verify against the datasheet for your operating frequency.

Specifies the physical weight of the electronic component, important for logistics, shipping cost, and mechanical design. Verify the exact weight in the datasheet or packaging information, as it may vary with packaging type and quantity.

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.

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.

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.

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.

Electrical resistance value in ohms, defining opposition to current flow. Critical for current limiting, voltage division, and signal conditioning. Always check tolerance and power rating in the datasheet for reliable circuit operation.

Maximum turn-on and turn-off time for the switching device. Compare this parameter when evaluating switching speed for power supplies or converters. Verify against the datasheet under specified test conditions to ensure it meets your application's timing requirements.

Defines the default state of a switch or relay contact when no actuation force is applied, such as normally open or normally closed. This determines the initial circuit condition. Always confirm with the datasheet to ensure the component behaves as expected in the unpowered state.

Defines how many input channels the component supports, such as a multiplexer, logic gate, or amplifier. This determines the maximum number of signals that can be routed or processed. Ensure the input count matches your system's channel requirements and pin configuration.

Specifies how many independent signal paths or outputs the component provides. Compare this value with your circuit requirements to ensure each channel can be used separately. Verify the channel configuration in the datasheet, as some devices may share pins or have internal connections.

Describes the type or method of switching used by the component, such as latching, momentary, or break-before-make. This attribute defines how the switch or relay operates in the circuit. Check the datasheet to understand the switching mechanism and its suitability for your application.

Specifies the nominal resistance between isolated circuits when the component is off. Higher values indicate better isolation and lower leakage. Verify this parameter against the datasheet for applications requiring high voltage or safety isolation.

Indicates the required power source, such as AC or DC, for the component. Engineers compare this to ensure compatibility with the system's power architecture. Verify the supply type against the datasheet to avoid incorrect power connections.

Defines the electrical configuration of a switch, such as SPST, SPDT, or DPDT, indicating how many poles and throws are available. This determines the switching logic and wiring options in your circuit design. Always check the datasheet for contact ratings.

Defines the switch topology, such as 2:1, 4:1, or 8:1, indicating how many inputs are routed to outputs. Essential for selecting the correct multiplexer for signal routing in your design. Check the datasheet for channel count and switching characteristics.

Maximum leakage current flowing through the switch when it is in the off state. This parameter affects power consumption and signal integrity in high-impedance circuits. Compare values to ensure the device meets your system's standby or off-state requirements, and verify against the datasheet for operating conditions.

This is the on-state resistance between the drain and source terminals of a MOSFET. It affects power dissipation and efficiency. Lower values are preferred for high-current switching. Always check the datasheet for the specified test conditions, as RDS(on) varies with gate voltage and temperature.

Indicates the maximum difference in on-resistance between any two channels in a multi-channel switch or multiplexer. This parameter affects signal integrity and accuracy in analog routing applications. Compare this value when selecting devices for precision measurement or audio systems.

Indicates the nominal matching of on-state resistance between multiple channels in a device, such as a dual MOSFET or analog switch. This parameter is critical for parallel operation and current sharing. Verify the specified match against the datasheet to ensure balanced performance.

Measures the time from when the turn-off command is applied to when the device actually begins to switch off. This delay affects switching losses and timing in power circuits. Engineers compare this parameter to ensure proper synchronization and to minimize power dissipation during high-frequency operation.

Time from when the input signal crosses its threshold until the output begins to turn on. This parameter affects switching speed and power dissipation in high-frequency circuits. Verify it against the datasheet for your specific load and drive conditions.

Capacitance between source and drain terminals when the switch is off. This parasitic capacitance affects high-frequency performance, switching speed, and signal integrity. Lower values are preferred for RF and high-speed digital applications. Verify against datasheet for voltage and frequency conditions.

Unwanted signal coupling between adjacent channels in a multi-channel device. This parameter indicates how much a signal on one channel can interfere with another. Critical for analog switches, multiplexers, and audio or precision measurement applications. Check datasheet for frequency-dependent behavior.

Maximum resistance between the switch terminals when the device is fully on. Lower values reduce power loss and heat. Compare this parameter when selecting MOSFETs, IGBTs, or relays for high-current circuits. Always verify against the datasheet for your operating conditions.