SDR0403-1R4ML The Bourns SDR0403-1R4ML is a 1.4µH SMD power inductor. It offers a 3.3A current rating and a low profile design.
Mfr Part #:

SDR0403-1R4ML

Available from 1 distributors
Mfr Name: Bourns
Bourns
The Bourns SDR0403-1R4ML is a 1.4µH SMD power inductor. It offers a 3.3A current rating and a low profile design.
Total Stock: 105 pcs
$ Price Range: $0.20

SDR0403-1R4ML Available from 1 distributor

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SDR0403-1R4ML 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
Shielding
Standard Package Quantity
Storage Temperature
Tape & Reel
Termination Style
Tolerance
Type
Width

SDR0403-1R4ML Description

Short technical summary and product information.

The Bourns SDR0403-1R4ML is a surface-mount, wirewound, drum core inductor designed for power applications. It features an inductance of 1.4µH with a tolerance of ±20% and a maximum DC resistance of 38mΩ.

 

This inductor is rated for a maximum continuous current of 3.3A (Irms) and a saturation current of 5.1A (Isat). It operates within a temperature range of -40°C to +125°C and has a low profile of only 3.2mm, making it suitable for compact electronic designs.

 

Applications include the input and output of DC/DC converters and power supplies for portable communications equipment, camcorders, and LCD TVs. The SDR0403 series inductors are available in the E12 series and come packaged on reels of 2000 pieces.

 

Key dimensions include a case length of 4.5mm and a case width of 3.2mm. The component utilizes a ferrite core and Ag/Ni/Sn terminals.

SDR0403-1R4ML Quick Information

Product Type: SMD Power Inductor
Series: SDR0403 Series
Canonical Name: Bourns SDR0403 Series SMD Power Inductor
Subcategory: SMD Power Inductor

SDR0403-1R4ML Compliance

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

SDR0403-1R4ML Estimated Pricing

Qty Low High
1+ $0.20 $0.20

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

SDR0403-1R4ML Features

  • Low profile 3.2mm SMD power inductor.
  • 1.4µH inductance with ±20% tolerance.
  • Rated for 3.3A continuous current.
  • Ferrite core for power applications.
  • Suitable for DC/DC converters.

SDR0403-1R4ML Applications

  • Ideal for DC-DC converter output filtering.
  • Used in power supply noise suppression.
  • Suitable for low-profile portable devices.
  • Applicable in automotive electronics.

SDR0403-1R4ML FAQs

7 frequently asked questions generated from this part’s specifications.
What is the inductance of the SDR0403-1R4ML?

1.4 µH at 1kHz.

What is the current rating of this inductor?

Saturation current (Isat) is 5.1A typical, RMS current (Irms) is 3.3A maximum.

What is the DC resistance?

Maximum 38 mΩ.

What is the self-resonant frequency?

Minimum 110 MHz.

What is the package size?

0403 surface mount package.

What is the inductance tolerance?

±20%.

What is the operating temperature range?

-40°C to 125°C.

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