TLP521-2XGB Optocoupler: TLP521 Series, Datasheet, Pinout [FAQ]

The "Mounting Type" in electronic components refers to the method used to attach or connect a component to a circuit board or other substrate, such as through-hole, surface-mount, or panel mount.

refers to the protective housing that encases an electronic component, providing mechanical support, electrical connections, and thermal management.

The operating temperature is the range of ambient temperature within which a power supply, or any other electrical equipment, operate in. This ranges from a minimum operating temperature, to a peak or maximum operating temperature, outside which, the power supply may fail.

Semiconductor package is a carrier / shell used to contain and cover one or more semiconductor components or integrated circuits. The material of the shell can be metal, plastic, glass or ceramic.

The "Pbfree Code" parameter in electronic components refers to the code or marking used to indicate that the component is lead-free. Lead (Pb) is a toxic substance that has been widely used in electronic components for many years, but due to environmental concerns, there has been a shift towards lead-free alternatives. The Pbfree Code helps manufacturers and users easily identify components that do not contain lead, ensuring compliance with regulations and promoting environmentally friendly practices. It is important to pay attention to the Pbfree Code when selecting electronic components to ensure they meet the necessary requirements for lead-free applications.

Parts can have many statuses as they progress through the configuration, analysis, review, and approval stages.

Moisture Sensitivity Level (MSL) is a standardized rating that indicates the susceptibility of electronic components, particularly semiconductors, to moisture-induced damage during storage and the soldering process, defining the allowable exposure time to ambient conditions before they require special handling or baking to prevent failures

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

HTS (Harmonized Tariff Schedule) codes are product classification codes between 8-1 digits. The first six digits are an HS code, and the countries of import assign the subsequent digits to provide additional classification. U.S. HTS codes are 1 digits and are administered by the U.S. International Trade Commission.

Voltage - Isolation is a parameter in electronic components that refers to the maximum voltage that can be safely applied between two isolated points without causing electrical breakdown or leakage. It is a crucial specification for components such as transformers, optocouplers, and capacitors that require isolation to prevent electrical interference or safety hazards. The voltage isolation rating ensures that the component can withstand the specified voltage without compromising its performance or safety. It is typically measured in volts and is an important consideration when designing circuits that require isolation between different parts of the system.

The "Output Type" parameter in electronic components refers to the type of signal or data that is produced by the component as an output. This parameter specifies the nature of the output signal, such as analog or digital, and can also include details about the voltage levels, current levels, frequency, and other characteristics of the output signal. Understanding the output type of a component is crucial for ensuring compatibility with other components in a circuit or system, as well as for determining how the output signal can be utilized or processed further. In summary, the output type parameter provides essential information about the nature of the signal that is generated by the electronic component as its output.

The parameter "Voltage - Forward (Vf) (Typ)" in electronic components refers to the typical forward voltage drop across the component when it is conducting current in the forward direction. It is a crucial characteristic of components like diodes and LEDs, indicating the minimum voltage required for the component to start conducting current. The forward voltage drop is typically specified as a typical value because it can vary slightly based on factors such as temperature and manufacturing tolerances. Designers use this parameter to ensure that the component operates within its specified voltage range and to calculate power dissipation in the component.

Input type in electronic components refers to the classification of the signal or data that a component can accept for processing or conversion. It indicates whether the input is analog, digital, or a specific format such as TTL or CMOS. Understanding input type is crucial for ensuring compatibility between different electronic devices and circuits, as it determines how signals are interpreted and interacted with.

The parameter "Rise / Fall Time (Typ)" in electronic components refers to the time it takes for a signal to transition from a specified low level to a specified high level (rise time) or from a high level to a low level (fall time). It is typically measured in nanoseconds or picoseconds and is an important characteristic in determining the speed and performance of a component, such as a transistor or integrated circuit. A shorter rise/fall time indicates faster signal switching and can impact the overall speed and efficiency of a circuit. Designers often consider this parameter when selecting components for high-speed applications to ensure proper signal integrity and timing.

Forward Current-Max is a parameter used to specify the maximum amount of current that an electronic component, such as a diode or LED, can safely handle when it is forward-biased. This parameter is crucial for determining the operating limits of the component to prevent damage or failure due to excessive current flow. Exceeding the specified Forward Current-Max can lead to overheating, degradation of the component, or even permanent damage. It is important to carefully consider this parameter when designing circuits to ensure the component operates within its safe limits.

The parameter "Current - DC Forward (If) (Max)" in electronic components refers to the maximum forward current that can safely pass through the component without causing damage. This parameter is typically specified in datasheets for diodes and LEDs, indicating the maximum current that can flow through the component in the forward direction. Exceeding this maximum current rating can lead to overheating and potentially permanent damage to the component. It is important to ensure that the current flowing through the component does not exceed this specified maximum to maintain proper functionality and reliability.

The "Current Transfer Ratio (Max)" is a parameter used to describe the efficiency of a specific type of electronic component known as an optocoupler or optoisolator. This parameter indicates the maximum ratio of output current to input current that can be achieved under ideal conditions. In simpler terms, it quantifies how effectively the optocoupler can transfer an electrical signal from its input side to its output side. A higher Current Transfer Ratio (Max) value typically indicates better performance and stronger signal transmission capabilities for the optocoupler. It is an important specification to consider when designing circuits that require isolation between different electrical systems or components.

Vce Saturation (Max) is a parameter commonly found in datasheets of bipolar junction transistors (BJTs) and refers to the maximum voltage drop across the collector-emitter junction when the transistor is fully saturated. When a BJT is in saturation mode, it is fully turned on and acts like a closed switch, allowing maximum current to flow through it. The Vce Saturation (Max) value indicates the maximum voltage that can be dropped across the collector-emitter junction in this state without affecting the transistor's performance. It is an important parameter to consider when designing circuits to ensure proper operation and efficiency of the transistor.

Dark Current-Max refers to the maximum amount of current that flows through a photodetector or similar electronic component in the absence of incident light. It is an important parameter that indicates the level of noise in a sensor and is typically measured in terms of amperes or milliamperes. High dark current values can lead to decreased signal-to-noise ratio, affecting the overall sensitivity and performance of the device in low-light conditions. Understanding this parameter is crucial for applications that require precise light detection and measurement.

Coll-Emtr Bkdn Voltage-Min refers to the minimum voltage required for the breakdown of a collector-emitter junction in bipolar transistors. It indicates the threshold at which the transistor can no longer effectively block current flow in the off state. Exceeding this voltage can lead to unwanted conduction and potential damage to the device. This parameter is essential for ensuring reliable operation in electronic circuits, especially in high-voltage applications. Manufacturers specify this value to help designers select appropriate components for their specific needs.

RoHS means “Restriction of Certain Hazardous Substances” in the “Hazardous Substances Directive” in electrical and electronic equipment.

Lead Free is a term used to describe electronic components that do not contain lead as part of their composition. Lead is a toxic material that can have harmful effects on human health and the environment, so the electronics industry has been moving towards lead-free components to reduce these risks. Lead-free components are typically made using alternative materials such as silver, copper, and tin. Manufacturers must comply with regulations such as the Restriction of Hazardous Substances (RoHS) directive to ensure that their products are lead-free and environmentally friendly.