SRN4018-4R7M The Bourns SRN4018-4R7M is a semi-shielded power inductor with a 4.7 µH inductance value and a current rating of 1.9A. It features a low profile and surface mount construction.
Mfr Part #:

SRN4018-4R7M

Available from 1 distributors
Mfr Name: Bourns
Bourns
The Bourns SRN4018-4R7M is a semi-shielded power inductor with a 4.7 µH inductance value and a current rating of 1.9A. It features a low profile and surface mount construction.
Total Stock: 3,000 pcs
$ Price Range: $0.18

SRN4018-4R7M Available from 1 distributor

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
3,000 pcs
3000 pcs On Request 1 On Request On Request On Request On Request On Request

SRN4018-4R7M Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Coating
Current
Current Rating (Amps)
DC Resistance (DCR)
Frequency
Halogen Free
Height
Inductance
Length
Material
Mounting Type
Operating Temperature
Q @ Freq
Rated Current
Shielding
Storage Temperature
Tape & Reel
Terminal Finish
Tolerance
Type
Width

SRN4018-4R7M Description

Short technical summary and product information.

The Bourns SRN4018-4R7M is a semi-shielded power inductor from the SRN4018 series, designed for applications requiring compact and reliable inductive components. This inductor offers a nominal inductance of 4.7 µH with a tolerance of ±20% and a rated current of 1.9A at saturation.

 

Featuring a low profile of 1.8mm maximum height, this component is suitable for space-constrained designs. Its construction utilizes a ferrite core and enameled copper wire, providing a Q factor of 9 at 7.96MHz and a DC resistance of 84mOhm maximum. The operating temperature range is -40°C to 125°C.

 

Designed for surface mounting, the SRN4018-4R7M is ideal for DC/DC converters, notebook computers, digital video cameras, and other electronic devices. The component is packaged in a standard 13-inch reel with 3000 pieces per reel.

 

This inductor is RoHS compliant and halogen-free, meeting modern environmental standards for electronic components.

SRN4018-4R7M Quick Information

Product Type: Fixed Inductor
Series: SRN4018
Canonical Name: Bourns SRN4018 Series Semi-Shielded Power Inductor
Subcategory: Semi-Shielded

SRN4018-4R7M Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

SRN4018-4R7M Estimated Pricing

Qty Low High
1+ $0.18 $0.18

Estimated market price range - modelled values for guidance only, not live distributor offers.

SRN4018-4R7M Features

  • Semi-shielded construction for reduced EMI.
  • Low profile design at 1.8mm maximum height.
  • 4.7µH inductance with ±20% tolerance.
  • Rated for 1.9A current at saturation.
  • Surface mountable for automated assembly.

SRN4018-4R7M Applications

  • Ideal for DC/DC converters.
  • Suitable for notebook computers.
  • Used in digital video cameras.
  • Applicable to cell phones.
  • Designed for televisions and LCD displays.

SRN4018-4R7M FAQs

6 frequently asked questions generated from this part’s specifications.
What is the inductance value of the Bourns SRN4018-4R7M?

The induactance is 4.7 µH (nominal) measured at 100 KHz/1V, with ±20% tolerance.

What are the current ratings?

Saturation current (induactance drop 30%): 1.9 A. Rated current (40°C temperature rise): 4.0 A.

What is the DC resistance (DCR)?

The maximum DCR is 84 mOhm (0.084 Ω) at 25°C.

What is the self-resonant frequency?

The typical self-resonant frequency is 35 MHz.

What are the package dimensions and packaging options?

Package dimensions: 4.00mm (L) x 4.00m (W) x 1.80mm (H). Case: Nonstandard. Supplied in tape & reel (13-inch), 3000 pieces per reel.

What is the operating temperature range?

Operating temperature: -40°C to +125°C.

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