Comchip Technology CZRA4731-HF
Comchip Technology CZRA4731-HF
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Comchip Technology CZRA4731-HF

Manufacturer No:

CZRA4731-HF

Manufacturer:

Comchip Technology

Utmel No:

513-CZRA4731-HF

Package:

DO-214AC, SMA Flat Leads

ECAD Model:

Description:

ZENER DIODE 9Ohm ±5% 4.3V 10μA @ 1V -55°C~150°C 1W 2 Terminations DO-214AC, SMA Flat Leads

Quantity:

Unit Price: $0.221363

Ext Price: $0.22

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In Stock : 88000

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    $19.70

  • 500

    $0.185860

    $92.93

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CZRA4731-HF information

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Comchip Technology CZRA4731-HF technical specifications, attributes, parameters and parts with similar specifications to Comchip Technology CZRA4731-HF.
  • Type
    Parameter
  • Factory Lead Time
    12 Weeks
  • Mount

    In electronic components, the term "Mount" typically refers to the method or process of physically attaching or fixing a component onto a circuit board or other electronic device. This can involve soldering, adhesive bonding, or other techniques to secure the component in place. The mounting process is crucial for ensuring proper electrical connections and mechanical stability within the electronic system. Different components may have specific mounting requirements based on their size, shape, and function, and manufacturers provide guidelines for proper mounting procedures to ensure optimal performance and reliability of the electronic device.

    Surface Mount
  • Mounting Type

    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.

    Surface Mount
  • Package / Case

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

    DO-214AC, SMA Flat Leads
  • Diode Element Material

    The parameter "Diode Element Material" refers to the specific semiconductor material used in the construction of a diode. This material determines the electrical characteristics and performance of the diode, including its forward voltage drop, reverse breakdown voltage, and switching speed. Common diode element materials include silicon, germanium, and gallium arsenide, each offering different advantages for various applications. The choice of material impacts the diode's efficiency, thermal stability, and overall suitability for specific electronic circuits.

    SILICON
  • Number of Elements
    1
  • Operating Temperature

    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.

    -55°C~150°C
  • Packaging

    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.

    Tape & Reel (TR)
  • Published
    2014
  • Tolerance

    In electronic components, "tolerance" refers to the acceptable deviation or variation from the specified or ideal value of a particular parameter, such as resistance, capacitance, or voltage. It indicates the range within which the actual value of the component can fluctuate while still being considered acceptable for use in a circuit. Tolerance is typically expressed as a percentage or a specific value and is important for ensuring the accuracy and reliability of electronic devices. Components with tighter tolerances are more precise but may also be more expensive. It is crucial to consider tolerance when selecting components to ensure proper functionality and performance of the circuit.

    ±5%
  • Part Status

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

    Active
  • Moisture Sensitivity Level (MSL)

    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

    1 (Unlimited)
  • Number of Terminations
    2
  • ECCN Code

    An ECCN (Export Control Classification Number) is an alphanumeric code used by the U.S. Bureau of Industry and Security to identify and categorize electronic components and other dual-use items that may require an export license based on their technical characteristics and potential for military use.

    EAR99
  • HTS Code

    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.

    8541.10.00.50
  • Max Power Dissipation

    The maximum power that the MOSFET can dissipate continuously under the specified thermal conditions.

    1W
  • Terminal Position

    In electronic components, the term "Terminal Position" refers to the physical location of the connection points on the component where external electrical connections can be made. These connection points, known as terminals, are typically used to attach wires, leads, or other components to the main body of the electronic component. The terminal position is important for ensuring proper connectivity and functionality of the component within a circuit. It is often specified in technical datasheets or component specifications to help designers and engineers understand how to properly integrate the component into their circuit designs.

    DUAL
  • Terminal Form

    Occurring at or forming the end of a series, succession, or the like; closing; concluding.

    C BEND
  • Peak Reflow Temperature (Cel)

    Peak Reflow Temperature (Cel) is a parameter that specifies the maximum temperature at which an electronic component can be exposed during the reflow soldering process. Reflow soldering is a common method used to attach electronic components to a circuit board. The Peak Reflow Temperature is crucial because it ensures that the component is not damaged or degraded during the soldering process. Exceeding the specified Peak Reflow Temperature can lead to issues such as component failure, reduced performance, or even permanent damage to the component. It is important for manufacturers and assemblers to adhere to the recommended Peak Reflow Temperature to ensure the reliability and functionality of the electronic components.

    NOT SPECIFIED
  • Time@Peak Reflow Temperature-Max (s)

    Time@Peak Reflow Temperature-Max (s) refers to the maximum duration that an electronic component can be exposed to the peak reflow temperature during the soldering process, which is crucial for ensuring reliable solder joint formation without damaging the component.

    NOT SPECIFIED
  • JESD-30 Code

    JESD-30 Code refers to a standardized descriptive designation system established by JEDEC for semiconductor-device packages. This system provides a systematic method for generating designators that convey essential information about the package's physical characteristics, such as size and shape, which aids in component identification and selection. By using JESD-30 codes, manufacturers and engineers can ensure consistency and clarity in the specification of semiconductor packages across various applications and industries.

    R-PDSO-C2
  • Polarity

    In electronic components, polarity refers to the orientation or direction in which the component must be connected in a circuit to function properly. Components such as diodes, capacitors, and LEDs have polarity markings to indicate which terminal should be connected to the positive or negative side of the circuit. Connecting a component with incorrect polarity can lead to malfunction or damage. It is important to pay attention to polarity markings and follow the manufacturer's instructions to ensure proper operation of electronic components.

    UNIDIRECTIONAL
  • Impedance

    In electrical engineering, impedance is the opposition to alternating current presented by the combined effect of resistance and reactance in a circuit.

    9Ohm
  • Element Configuration

    The distribution of electrons of an atom or molecule (or other physical structure) in atomic or molecular orbitals.

    Single
  • Diode Type

    In electronic components, the parameter "Diode Type" refers to the specific type or configuration of a diode, which is a semiconductor device that allows current to flow in one direction only. There are various types of diodes, each designed for specific applications and functions. Common diode types include rectifier diodes, zener diodes, light-emitting diodes (LEDs), and Schottky diodes, among others. The diode type determines the diode's characteristics, such as forward voltage drop, reverse breakdown voltage, and maximum current rating, making it crucial for selecting the right diode for a particular circuit or application. Understanding the diode type is essential for ensuring proper functionality and performance in electronic circuits.

    ZENER DIODE
  • Current - Reverse Leakage @ Vr

    Current - Reverse Leakage @ Vr is a parameter that describes the amount of current that flows in the reverse direction through a diode or other semiconductor component when a reverse voltage (Vr) is applied across it. This leakage current is typically very small, but it is important to consider in electronic circuits as it can affect the overall performance and reliability of the component. The reverse leakage current is influenced by factors such as the material properties of the semiconductor, temperature, and the magnitude of the reverse voltage applied. Manufacturers provide this parameter in datasheets to help engineers and designers understand the behavior of the component in reverse bias conditions.

    10μA @ 1V
  • Voltage - Forward (Vf) (Max) @ If

    The parameter "Voltage - Forward (Vf) (Max) @ If" refers to the maximum voltage drop across a diode when it is forward-biased and conducting a specified forward current (If). It indicates the maximum potential difference the diode can withstand while allowing current to flow in the forward direction without breaking down. This value is crucial for designing circuits as it helps determine how much voltage will be lost across the diode during operation. Higher Vf values can lead to reduced efficiency in power applications, making this parameter essential for optimizing circuit performance.

    1.2V @ 200mA
  • Impedance-Max

    Impedance-Max is a parameter in electronic components that specifies the maximum impedance that the component can handle without experiencing damage or malfunction. Impedance refers to the opposition that a circuit presents to the flow of alternating current. In the context of electronic components, Impedance-Max is crucial for ensuring proper performance and preventing overloading or overheating. Designers and engineers use this parameter to select components that are compatible with the impedance requirements of a circuit, helping to maintain the integrity and reliability of the overall system.

    9Ohm
  • Reference Voltage

    A voltage reference is an electronic device that ideally produces a fixed (constant) voltage irrespective of the loading on the device, power supply variations, temperature changes, and the passage of time. Voltage references are used in power supplies, analog-to-digital converters, digital-to-analog converters, and other measurement and control systems. Voltage references vary widely in performance; a regulator for a computer power supply may only hold its value to within a few percent of the nominal value, whereas laboratory voltage standards have precisions and stability measured in parts per million.

    4.3V
  • Voltage - Zener (Nom) (Vz)

    The parameter "Voltage - Zener (Nom) (Vz)" refers to the nominal voltage of a Zener diode, which is a type of semiconductor device that allows current to flow in the reverse direction when a certain voltage threshold is reached. The Zener voltage, denoted as Vz, is the voltage at which the Zener diode begins to conduct in the reverse direction. This parameter is crucial in determining the specific voltage regulation characteristics of the Zener diode in a circuit. It is important to select a Zener diode with a Vz value that matches the desired voltage regulation requirements of the circuit to ensure proper functionality.

    4.3V
  • Zener Voltage

    The Zener voltage is a crucial parameter in Zener diodes, which are specialized semiconductor devices designed to maintain a constant voltage across their terminals when operated in the reverse-biased mode. The Zener voltage, also known as the breakdown voltage, is the voltage at which the Zener diode starts conducting in the reverse direction. This voltage is carefully controlled during the manufacturing process and is a key characteristic that determines the diode's functionality in voltage regulation and protection circuits. Zener diodes are commonly used in various electronic applications to stabilize voltage levels and protect sensitive components from voltage spikes.

    4.3V
  • Voltage Tol-Max

    Voltage Tol-Max refers to the maximum allowable deviation or tolerance in voltage that an electronic component can withstand without causing damage or malfunction. It indicates the range within which the component can operate safely and reliably. This parameter is crucial for ensuring the proper functioning and longevity of the component in various electrical circuits. Designers and engineers need to consider the Voltage Tol-Max specification when selecting components to ensure compatibility and prevent potential issues related to voltage fluctuations.

    5%
  • Working Test Current

    Working Test Current is a parameter used in electronic components to specify the maximum current that the component can handle during normal operation or testing without being damaged. This parameter is crucial for ensuring the reliability and longevity of the component in a circuit. It helps designers and engineers determine the appropriate operating conditions and limits for the component to prevent overheating or failure. Understanding the Working Test Current of a component is essential for proper selection and integration into electronic systems to ensure optimal performance and safety.

    58mA
  • Reverse Current-Max

    Reverse Current-Max is a parameter used to specify the maximum amount of current that can flow in the reverse direction through an electronic component, such as a diode or a transistor. This parameter is important because it indicates the maximum reverse current that the component can handle without being damaged. It is typically measured in amperes (A) and is crucial for ensuring the reliability and longevity of the component in a circuit. Designers need to consider this parameter when selecting components to prevent reverse current from exceeding the specified limit and causing potential failure.

    10μA
  • Reverse Test Voltage

    Reverse Test Voltage is a parameter used to describe the maximum voltage that can be applied in the reverse direction across an electronic component, such as a diode or a transistor, without causing damage to the component. This parameter is important in ensuring the reliability and longevity of the component, as exceeding the specified reverse test voltage can lead to breakdown and failure. Manufacturers provide this information in datasheets to help engineers and designers select the appropriate components for their circuits and applications. It is crucial to adhere to the specified reverse test voltage to prevent potential damage and ensure the proper functioning of the electronic component.

    1V
  • RoHS Status

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

    ROHS3 Compliant
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Download datasheets and manufacturer documentation for Comchip Technology CZRA4731-HF.

Product Description

Description

The CZRA4731-HF is a high-reliability, surface-mount Zener diode from Comchip Technology. Designed to provide stable voltage regulation and protection against voltage spikes, this diode is ideal for a wide range of applications requiring precise voltage control. With its silicon construction and unidirectional polarity, it ensures reliable operation across various temperature ranges.

Features

  • High Stability: The CZRA4731-HF features a nominal Zener voltage of 4.3V with a tolerance of ±5%, ensuring consistent performance.
  • Low Reverse Leakage: The reverse leakage current is as low as 10μA at 1V, making it suitable for applications where minimal current flow in reverse bias is crucial.
  • High Power Dissipation: The maximum power dissipation is 1W, allowing for efficient operation in demanding environments.
  • Wide Operating Temperature Range: The operating temperature range spans from -55°C to 150°C, making it suitable for use in harsh conditions.
  • Surface Mount Technology (SMT): The diode is available in a DO-214AC package with SMA flat leads, facilitating easy integration into modern electronic designs.
  • RoHS3 Compliant: The CZRA4731-HF adheres to RoHS3 standards, ensuring environmental sustainability.

Applications

  1. Primary Applications:
  2. Voltage Regulation: The CZRA4731-HF can be used as a voltage regulator in power supplies and other electronic circuits where precise voltage control is necessary.
  3. Overvoltage Protection: Its ability to regulate voltage makes it an excellent component for protecting sensitive electronic components from voltage spikes.
  4. Reference Circuits: The stable Zener voltage makes it suitable for use in reference circuits requiring a stable voltage reference point.

  5. Secondary Applications:

  6. Switching Regulators: It can be used in switching regulators to provide a stable output voltage.
  7. Power Supplies: The diode's high power dissipation capability makes it suitable for use in power supplies where high current handling is required.
  8. Audio Equipment: Its low noise characteristics and stable voltage regulation make it useful in audio equipment such as amplifiers and preamplifiers.

Alternative Parts

Alternative parts for the CZRA4731-HF include other Comchip Technology Zener diodes with similar specifications, such as: - CZRA4730-HF - CZRA4732-HF

These diodes offer similar performance characteristics but may have slightly different Zener voltages or tolerances.

Embedded Modules

The CZRA4731-HF is commonly used in various embedded modules designed for precision voltage regulation and overvoltage protection. Some examples include: - Power Supply Modules - Reference Voltage Modules - Switching Regulator Modules

These modules leverage the stable Zener voltage and low reverse leakage current of the CZRA4731-HF to provide reliable performance in a wide range of applications.

The three parts on the right have similar specifications to Comchip Technology & CZRA4731-HF.
  • Image
    Part Number
    Manufacturer
    Mount
    Package / Case
    Zener Voltage
    Tolerance
    Max Power Dissipation
    Impedance
    RoHS Status
    Element Configuration
    Availability
    Price
    Quantity
    Compare Two Parts
    Compare Three Parts
  • CZRA4731-HF

    CZRA4731-HF

    Surface Mount

    DO-214AC, SMA Flat Leads

    4.3 V

    ±5%

    1 W

    9 Ω

    ROHS3 Compliant

    Single

    88000
    $0.221363
  • MMSZ5229B-7-F

    Surface Mount

    SOD-123

    4.3 V

    ±5%

    500 mW

    22 Ω

    ROHS3 Compliant

    Single

    16800
    $0.039847

    Same as the main part number.