CD143A-SR70 TVS - Diodes от Bourns, Inc.

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 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.

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 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.

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.

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.

Describes the method used to connect the component to the circuit board, such as solder, press-fit, or wire wrap. This affects assembly processes, reliability, and repairability. Check the termination type against your PCB footprint and soldering process to ensure compatibility.

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.

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 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.

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.

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.

Select the component category that best matches your application, such as resistor, capacitor, diode, or connector. This classification helps narrow down the correct part family and ensures compatibility with your circuit design. Verify the type against the datasheet to avoid mismatches.

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 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.

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 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.

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.

Indicates whether the component has built-in electrostatic discharge protection. This is crucial for devices that interface with external connectors or are handled during assembly. ESD protection helps prevent damage from static electricity, improving reliability in harsh environments. Verify if your application requires this feature.

Specify the typical end-use scenarios for this electronic component, such as consumer electronics, automotive, industrial, or telecommunications. This helps engineers quickly assess suitability for their design. Verify against the datasheet's application section.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

Physical depth of the component body, measured in millimeters or inches. This dimension affects PCB layout and mechanical fit. Verify against the datasheet for proper clearance in your enclosure or assembly.

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.

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.

Peak pulse current the component can withstand with a 10/1000µs waveform, commonly used for TVS diodes and surge suppressors. This rating indicates the maximum surge current capability. Compare it with your system's expected transient currents and ensure the component can handle repeated surges without degradation.

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.

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.

Indicates whether the component is designed to protect power supply lines from overvoltage or overcurrent events. Essential for ensuring system reliability in industrial and automotive applications. Confirm the protection level and response time in the datasheet.

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.

Current that flows through the component when it is in the off-state or reverse-biased. Important for capacitors, diodes, and transistors to minimize power loss and ensure proper isolation. Compare leakage current values to avoid unintended circuit behavior, especially in battery-powered or high-impedance applications. Verify test conditions in the datasheet.

Time for a diode to transition from conducting to blocking state. Critical for switching losses in power circuits. Compare values when designing high-frequency converters or rectifiers. Verify against datasheet under specified test conditions.

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.

Maximum reverse voltage the component can withstand without conducting significant current. For TVS diodes and rectifiers, this is the voltage below which the device remains off. Ensure this voltage is higher than the normal operating voltage to avoid unintended conduction, and check the breakdown voltage in the datasheet.

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.

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.

Highest current the device can handle for a brief surge, such as inrush or lightning. Essential for power supply and protection circuits. Always compare with your system's surge profile and check the datasheet for duration and repetition rate.

Maximum current the component can withstand during a short pulse event without damage. Compare this rating with your circuit's transient conditions to ensure reliable operation. Verify against the datasheet for pulse duration and duty cycle limits.

Specifies the voltage level at which a protection device begins to conduct and limit transient overvoltages. Compare this value with the circuit's maximum allowable voltage to ensure adequate protection. Verify against the datasheet for precise clamping characteristics under specified test conditions.

Capacitance value measured at a specified frequency, often 1 kHz or 1 MHz. Compare this parameter when selecting capacitors for filtering, decoupling, or timing circuits, as capacitance can vary with frequency. Verify the test frequency in the datasheet to ensure consistent performance.

Maximum voltage the component can withstand before breakdown occurs. Essential for ensuring safe operation in high-voltage circuits. Verify this rating against your circuit's worst-case voltage spikes to prevent failure and ensure long-term reliability.

Voltage at which the diode begins to conduct in reverse bias, leading to breakdown. Critical for selecting diodes in rectifier and protection circuits. Ensure this voltage exceeds your maximum reverse voltage with margin. Check datasheet for tolerance and temperature effects.

Specifies the lowest voltage at which the component begins to conduct in reverse or breakdown mode. Compare this value with the operating voltage to ensure sufficient margin. Verify against the datasheet for temperature and tolerance effects.