Bourns Inc. SRR4818A-180M
Bourns Inc. SRR4818A-180M
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Bourns Inc. SRR4818A-180M

Manufacturer No:

SRR4818A-180M

Manufacturer:

Bourns Inc.

Utmel No:

337-SRR4818A-180M

Package:

Nonstandard

Datasheet:

SRR4818A Series

ECAD Model:

Description:

FIXED IND 18UH 1.4A 280 MOHM SMD

Quantity:

Unit Price: $1.018244

Ext Price: $1.02

Delivery:

DHLTNTUPSFedExSF-Express

Payment:

paypalvisadiscovermastercard

In Stock : 8000

Minimum: 1 Multiples: 1

Qty

Unit Price

Ext Price

  • 1

    $1.018244

    $1.02

  • 10

    $0.960608

    $9.61

  • 100

    $0.906234

    $90.62

  • 500

    $0.854937

    $427.47

  • 1000

    $0.806545

    $806.54

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SRR4818A-180M information

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Bourns Inc. SRR4818A-180M technical specifications, attributes, parameters and parts with similar specifications to Bourns Inc. SRR4818A-180M.
  • Type
    Parameter
  • Factory Lead Time
    18 Weeks
  • 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.

    Nonstandard
  • Frequency-Self-Resonant
    28MHz
  • Material-Core
    Ferrite
  • 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.

    -40°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)
  • Series

    In electronic components, the "Series" refers to a group of products that share similar characteristics, designs, or functionalities, often produced by the same manufacturer. These components within a series typically have common specifications but may vary in terms of voltage, power, or packaging to meet different application needs. The series name helps identify and differentiate between various product lines within a manufacturer's catalog.

    SRR4818A
  • Size / Dimension

    In electronic components, the parameter "Size / Dimension" refers to the physical dimensions of the component, such as its length, width, and height. These dimensions are crucial for determining how the component will fit into a circuit or system, as well as for ensuring compatibility with other components and the overall design requirements. The size of a component can also impact its performance characteristics, thermal properties, and overall functionality within a given application. Engineers and designers must carefully consider the size and dimensions of electronic components to ensure proper integration and functionality within their designs.

    0.189Lx0.189W 4.80mmx4.80mm
  • 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.

    ±20%
  • JESD-609 Code

    The "JESD-609 Code" in electronic components refers to a standardized marking code that indicates the lead-free solder composition and finish of electronic components for compliance with environmental regulations.

    e3
  • 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)
  • 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
  • Type
    Wirewound
  • Terminal Finish

    Terminal Finish refers to the surface treatment applied to the terminals or leads of electronic components to enhance their performance and longevity. It can improve solderability, corrosion resistance, and overall reliability of the connection in electronic assemblies. Common finishes include nickel, gold, and tin, each possessing distinct properties suitable for various applications. The choice of terminal finish can significantly impact the durability and effectiveness of electronic devices.

    Tin (Sn)
  • 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.

    8504.50.80.00
  • Current Rating (Amps)

    The parameter "Current Rating (Amps)" in electronic components refers to the maximum amount of electrical current that the component can safely handle without being damaged. It is typically measured in amperes (A) and is an important specification to consider when designing or selecting components for a circuit. Exceeding the current rating of a component can lead to overheating, malfunction, or even failure of the component. It is crucial to ensure that the current rating of a component matches the requirements of the circuit to prevent any potential issues and ensure reliable operation.

    1.4A
  • Shielding

    Shielding in electronic components refers to the practice of enclosing or surrounding sensitive electronic circuits or components with a conductive material to protect them from electromagnetic interference (EMI) or radio frequency interference (RFI). The shielding material acts as a barrier that blocks or absorbs unwanted electromagnetic signals, preventing them from affecting the performance of the electronic device. Shielding can be achieved using materials such as metal enclosures, conductive coatings, or shielding tapes. Proper shielding is essential in electronic design to ensure the reliable operation of electronic devices in environments where electromagnetic interference is present.

    Shielded
  • Inductance

    Inductance is a property of an electrical component that quantifies its ability to store energy in a magnetic field when electric current flows through it. It is measured in henries and indicates how much voltage is induced in the component as a result of a change in current. Inductance is an essential characteristic in coils, inductors, and transformers, affecting the behavior of electrical circuits, particularly in alternating current applications. Higher inductance values usually correlate with larger coils or more turns of wire in the component.

    18μH
  • DC Resistance (DCR)

    DC Resistance (DCR) is a measure of the resistance of an electronic component when a direct current (DC) is applied. It quantifies how much opposition the component presents to the flow of electrical current under steady-state conditions. DCR is crucial for understanding power loss, heating, and efficient performance in circuits, as it affects the overall behavior of components such as inductors, transformers, and resistors. Lower DCR values typically indicate better efficiency and performance in a given application.

    280mOhm Max
  • Current - Saturation

    Current - Saturation refers to the maximum current that can flow through a semiconductor device, such as a transistor, when it is fully turned on. It occurs when the device is in saturation mode, meaning that increasing the input does not significantly increase the output current. At this point, the device is operating at its maximum capacity, and any further increase in input voltage or current will not result in a proportional increase in output. This parameter is crucial for understanding the limits and performance of electronic circuits.

    790mA
  • Inductance Tolerance

    Inductance tolerance is a specification that indicates the acceptable range of variation in the inductance value of an electronic component, such as an inductor or a transformer. It is expressed as a percentage or a specific value and represents the maximum deviation from the specified inductance value. A tighter tolerance indicates a more precise and consistent inductance value, which is important for maintaining the desired performance and accuracy in electronic circuits. Manufacturers provide inductance tolerance values to ensure that the components meet the required specifications and perform reliably in different applications.

    20%
  • Height Seated (Max)

    Height Seated (Max) is a parameter in electronic components that refers to the maximum allowable height of the component when it is properly seated or installed on a circuit board or within an enclosure. This specification is crucial for ensuring proper fit and alignment within the overall system design. Exceeding the maximum seated height can lead to mechanical interference, electrical shorts, or other issues that may impact the performance and reliability of the electronic device. Manufacturers provide this information to help designers and engineers select components that will fit within the designated space and function correctly in the intended application.

    0.079 2.00mm
  • RoHS Status

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

    ROHS3 Compliant
  • Ratings

    The parameter "Ratings" in electronic components refers to the specified limits that define the maximum operational capabilities of a component. These ratings include voltage, current, power, temperature, and frequency, determining the conditions under which the component can function safely and effectively. Exceeding these ratings can lead to failure, damage, or unsafe operation, making it crucial for designers to adhere to them during component selection and usage.

    AEC-Q200
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Download datasheets and manufacturer documentation for Bourns Inc. SRR4818A-180M.

Product Description: SRR4818A-180M Fixed Inductor by Bourns Inc.

1. Description

The SRR4818A-180M is a high-performance, shielded, fixed inductor designed by Bourns Inc. This wirewound inductor is specifically engineered to meet the demanding requirements of modern electronic systems. With its ferrite core and robust construction, it offers reliable performance across a wide range of applications.

2. Features

  • High Current Rating: The SRR4818A-180M boasts a current rating of 1.4A, ensuring it can handle significant current flows without saturating.
  • Low DC Resistance: Featuring a maximum DC resistance of 280mOhm, this inductor minimizes power loss and maximizes efficiency.
  • Frequency Stability: Operating at a self-resonant frequency of 28MHz, it provides stable performance even in high-frequency circuits.
  • Environmental Compliance: Compliant with ROHS3 standards and rated for operation between -40°C and 150°C, making it suitable for harsh environments.
  • Surface Mount Design: With a seated height of 0.0792mm (2.00mm), it is optimized for surface mount technology (SMT) applications.
  • Shielding: The shielded design helps reduce electromagnetic interference (EMI), ensuring cleaner signal integrity.

3. Applications

Primary Applications: - Power Supply Filtering: The SRR4818A-180M is ideal for use in power supply filtering circuits due to its high current rating and low DC resistance. - Switching Regulators: Its stability at high frequencies makes it suitable for use in switching regulators where high efficiency is crucial. - Audio Equipment: The shielded design and stable performance make it a good choice for audio equipment applications where signal quality is paramount.

Secondary Applications: - Motor Control Circuits: The inductor's ability to handle high currents makes it suitable for motor control circuits where high power handling is required. - RF Circuits: Although not primarily designed for RF applications, its high self-resonant frequency makes it useful in certain RF filtering applications where high frequency stability is needed.

4. Alternative Parts

For those looking for alternative parts with similar specifications, consider the following options: - SRR4818A-120M: A lower inductance version of the same series with a 12μH inductance value. - SRR4818A-220M: A higher inductance version with a 22μH inductance value.

5. Embedded Modules

The SRR4818A-180M is commonly used in various embedded modules including: - DC-DC Converter Modules: Many DC-DC converter modules utilize this inductor for its high current handling capability and low power loss characteristics. - Motor Control Boards: Some motor control boards incorporate this inductor to manage high current flows efficiently. - Audio Amplifier Modules: The shielded design and stable performance make it a popular choice for audio amplifier modules where signal integrity is critical.

Summary

The SRR4818A-180M fixed inductor from Bourns Inc. offers a robust combination of high current handling, low power loss, and stable performance across a wide range of frequencies. Its suitability for both primary and secondary applications makes it an excellent choice for various electronic systems requiring reliable inductive components.

The three parts on the right have similar specifications to Bourns Inc. & SRR4818A-180M.
  • Image
    Part Number
    Manufacturer
    Material - Core
    Inductance
    Tolerance
    Current Rating
    Package / Case
    Size / Dimension
    Height - Seated (Max)
    Inductance Tolerance
    Availability
    Price
    Quantity
    Compare Two Parts
    Compare Three Parts
  • SRR4818A-180M

    SRR4818A-180M

    Ferrite

    18μH

    ±20%

    -

    Nonstandard

    0.189 L x 0.189 W (4.80mm x 4.80mm)

    -

    20 %

    8000
    $1.018244
  • SRR4828A-180M

    Ferrite

    18μH

    ±20%

    -

    Nonstandard

    0.189 L x 0.189 W (4.80mm x 4.80mm)

    -

    20 %

    29
    $0.507525

    Same as the main part number.

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