SRR1240-4R7M The Bourns SRR1240-4R7M is a shielded SMD power inductor with 4.7 µH inductance and a current rating of 6 A. It features a low DC resistance of 18 mΩ.
Mfr Part #:

SRR1240-4R7M

Available from 3 distributors
Mfr Name: Bourns
Bourns
The Bourns SRR1240-4R7M is a shielded SMD power inductor with 4.7 µH inductance and a current rating of 6 A. It features a low DC resistance of 18 mΩ.
Total Stock: 3,065 pcs
$ Price Range: $0.18

SRR1240-4R7M Available from 3 distributors

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
2,400 pcs
2400 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
340 pcs
340 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
325 pcs
325 pcs On Request 1 On Request On Request On Request On Request On Request

SRR1240-4R7M Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Current Rating (Amps)
DC Resistance (DCR)
Frequency
Height
Inductance
Length
Material
Mounting Type
Operating Temperature
Q @ Freq
Rated Current (Irms)
Resistance to Soldering Heat
Saturation Current (ISAT)
Shielding
Storage Temperature
Tolerance
Type
Width

SRR1240-4R7M Description

Short technical summary and product information.

The Bourns SRR1240-4R7M is a shielded surface-mount power inductor from the SRR1240 series. It offers an inductance value of 4.7 µH with a tolerance of ±20% and a maximum DC resistance of 18 mΩ. This inductor is designed to handle a current rating of up to 6 A, with a saturation current also at 5.6 A.

 

Operating within a temperature range of -40°C to 125°C, the SRR1240-4R7M is suitable for various applications including input/output of DC/DC converters and power supplies for portable communication equipment, camcorders, and LCD TVs. Its shielded construction helps minimize electromagnetic interference.

 

The inductor has a compact SMD package with dimensions of 12.50mm x 12.50mm and a height of 4.50mm. It is supplied in reels of 800 pieces, making it suitable for automated assembly processes.

SRR1240-4R7M Quick Information

Product Type: Fixed Inductor
Series: SRR1240
Canonical Name: Bourns SRR1240 Series Shielded SMD Power Inductor, 4.7 µH, ±20% Tolerance, 6 A Current Rating
Subcategory: SMD Power Inductor

SRR1240-4R7M Compliance

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

SRR1240-4R7M Estimated Pricing

Qty Low High
1+ $0.18 $0.18

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

SRR1240-4R7M Features

  • Shielded SMD power inductor construction.
  • 4.7 µH inductance with ±20% tolerance.
  • Rated for 6 A maximum current.
  • Low 18 mΩ maximum DC resistance.
  • Operates from -40°C to 125°C.

SRR1240-4R7M Applications

  • Used in DC/DC converter circuits.
  • Suitable for portable communication devices.
  • Power supplies for camcorders.
  • Component for LCD TV power systems.

SRR1240-4R7M FAQs

6 frequently asked questions generated from this part’s specifications.
What is the inductance of the SRR1240-4R7M?

The nominal inductance is 4.7µH at 100 KHz with ±20% tolerance.

What is the current rating of this inductor?

The maximum current rating is 6A. The rated current (Irms) based on a 40°C temperature rise is 5.6A, and the typical saturation current (Isat) is 5.6A.

What is the DC resistance of the SRR1240-4R7M?

The maximum DC resistance is 18mΩ.

What is the self-resonant frequency?

The typical self-resonant frequency is 33MHz.

What is the operating temperature range?

The operating temperature range is -40°C to +125°C, including temperature rise.

What is the package size and mounting type?

The inductor measures 12.5mm x 12.5mm x 4.5mm and is designed for surface mount soldering. Standard packaging is 800 pieces per reel.

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