4554-221K Fixed inductor 220 µH, 640 mA current rating, 650 mOhm DC resistance, through hole mounting, ferrite core.
Mfr Part #:

4554-221K

Available from 1 distributors
Mfr Name: API Delevan Inc.
API Delevan Inc.
Fixed inductor 220 µH, 640 mA current rating, 650 mOhm DC resistance, through hole mounting, ferrite core.
Total Stock: 6 pcs

4554-221K Available from 1 distributor

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4554-221K Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current Rating (Amps)
DC Resistance (DCR)
Diameter
Frequency
Height
Inductance
Lead Style
Material
Mounting Type
Operating Temperature
Q @ Freq
Shielding
Tolerance

4554-221K Description

Short technical summary and product information.

The 4554-221K is a fixed inductor manufactured by API Delevan Inc. with an inductance of 220 µH and a current rating of 640 mA. The DC resistance is 650 mOhm maximum. It features a ferrite core and is unshielded. The Q factor is 20 at 796 kHz, and the self-resonant frequency is 2.7 MHz. The component operates over a temperature range of -40°C to 85°C. It has a tolerance of ±10%.

 

The inductor is packaged in a radial, vertical cylinder form factor and is designed for through-hole mounting. The diameter is 8.64 mm and the height is 11.00 mm. This through-hole configuration makes it suitable for manual assembly and prototyping applications.

 

Common applications include power supply filtering, DC-DC converters, and general-purpose inductive circuits where moderate current handling and low DC resistance are required. The unshielded design should be considered for placement in circuits sensitive to electromagnetic interference.

4554-221K Quick Information

Product Type: Fixed Inductor
Series: 4554
Canonical Name: Fixed Inductor 220 µH 640 mA Through Hole
Subcategory: Through Hole Inductor

4554-221K Compliance

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

4554-221K Features

  • Ferrite core fixed inductor 220 µH.
  • Rated current 640 mA maximum.
  • DC resistance 650 mOhm maximum.
  • Through hole radial vertical cylinder package.
  • Unshielded design with Q factor 20.

4554-221K Applications

  • Used in power supply filter circuits.
  • Suitable for DC-DC converter applications.
  • Ideal for low frequency signal filtering.
  • Common in general purpose inductive loads.

4554-221K FAQs

7 frequently asked questions generated from this part’s specifications.
What is the inductance of the 4554-221K?

The inductance is 220 µH.

What is the current rating of this inductor?

The current rating is 640 mA.

What is the DC resistance of the 4554-221K?

The DC resistance is 650 mOhm maximum.

What is the self-resonant frequency of this inductor?

The self-resonant frequency is 2.7 MHz.

What is the package type of the 4554-221K?

It comes in a radial, vertical cylinder package for through-hole mounting.

What is the operating temperature range?

The operating temperature range is -40°C to 85°C.

Is the 4554-221K shielded?

No, it is unshielded.

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