2890-03K The API Delevan 2890-03K is a through-hole molded fixed inductor with 1.8 µH inductance, ±10% tolerance, and a 1.79 A current rating.
Mfr Part #:

2890-03K

Available from 1 distributors
Mfr Name: API Delevan Inc.
API Delevan Inc.
The API Delevan 2890-03K is a through-hole molded fixed inductor with 1.8 µH inductance, ±10% tolerance, and a 1.79 A current rating.
✓ Total Stock: 40 pcs

2890-03K Available from 1 distributor

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2890-03K Specifications Quick View

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

2890-03K Description

Short technical summary and product information.

The API Delevan Inc. 2890-03K is a molded fixed inductor designed for through-hole mounting in an axial package. It offers 1.8 µH inductance with ±10% tolerance and a current rating of 1.79 A. The component has a maximum DC resistance of 135 mΩ and a Q factor of 60 measured at 7.9 MHz, making it suitable for RF and general filtering applications.

 

The inductor uses a phenolic core material and is unshielded. It has a self-resonant frequency of 140 MHz and operates over -55°C to 125°C. The axial package measures 0.280" diameter by 0.900" length (7.11 mm x 22.86 mm), allowing reliable insertion in through-hole circuit boards.

2890-03K Quick Information

Product Type: Fixed Inductor
Series: 2890
Canonical Name: Molded Unshielded Fixed Inductor, 1.8 µH, 1.79 A
Subcategory: Fixed Inductors

2890-03K Compliance

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

2890-03K Features

  • 1.8 µH molded fixed inductor.
  • ±10% inductance tolerance.
  • Rated for 1.79 A DC current.
  • Maximum DC resistance 135 mΩ.
  • Unshielded axial through-hole package.

2890-03K Applications

  • Suited for through-hole PCB installation.
  • Useful in RF and signal filtering circuits.
  • Handles low-power DC/DC converter currents.
  • Can be used in impedance matching networks.
  • Works in temperature-controlled industrial environments.

2890-03K FAQs

7 frequently asked questions generated from this part’s specifications.
What inductance does the 2890-03K provide?

The 2890-03K has an inductance of 1.8 µH with ±10% tolerance.

What is the rated current of the 2890-03K?

The inductor is rated for 1.79 A.

What is the maximum DC resistance of the 2890-03K?

The maximum DC resistance is 135 mΩ.

What is the self-resonant frequency of the 2890-03K?

The self-resonant frequency is 140 MHz.

What package type does the 2890-03K use?

The 2890-03K comes in an axial through-hole package.

What is the operating temperature range of the 2890-03K?

The operating temperature range is -55°C to 125°C.

What is the Q factor of the 2890-03K at 7.9 MHz?

The Q factor is 60 at 7.9 MHz.

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