2121-H Fixed inductor 560 µH, 1.5 A, 300 mOhm DCR, toroidal core, through-hole mount. Operating temperature -55°C to 105°C.
Mfr Part #:

2121-H

Available from 1 distributors
Mfr Name: Bourns
Bourns
Fixed inductor 560 µH, 1.5 A, 300 mOhm DCR, toroidal core, through-hole mount. Operating temperature -55°C to 105°C.
Total Stock: 94 pcs

2121-H Available from 1 distributor

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2121-H Specifications Quick View

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

2121-H Description

Short technical summary and product information.

The Bourns 2121-H is a high current toroidal inductor from the 2100 series. It offers an inductance of 560 µH with ±15% tolerance, a current rating of 1.5 A, and a maximum DC resistance of 300 mOhm. The unshielded toroidal core design provides low radiation and low core loss, making it suitable for DC-DC converter and EMI filter applications. The inductor is through-hole mounted with a radial lead style, in a horizontal open package measuring 21.84 mm diameter and 11.43 mm height. It operates over a temperature range of -55°C to 105°C. The component is RoHS compliant and has an MSL rating of 1 (unlimited).

2121-H Quick Information

Product Type: Fixed Inductor
Series: 2100 Series
Canonical Name: Bourns 2121-H Toroidal Inductor, 560 µH, 1.5 A, Through Hole
Subcategory: Fixed Inductors

2121-H Compliance

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

2121-H Features

  • 560 µH inductance with ±15% tolerance.
  • Rated for 1.5 A DC current.
  • Maximum DC resistance of 300 mOhm.
  • Unshielded toroidal core design.
  • Through-hole radial mount package.

2121-H Applications

  • Ideal for DC-DC converter circuits.
  • Used in EMI filter applications.
  • Low radiation for sensitive designs.
  • High current capacity for power supplies.

2121-H FAQs

7 frequently asked questions generated from this part’s specifications.
What is the inductance of the Bourns 2121-H?

560 µH ±15%.

What is the current rating?

1.5 A.

What is the DC resistance?

300 mOhm maximum.

What is the operating temperature range?

-55°C to 105°C.

What is the mounting type?

Through hole, radial lead style.

Is the inductor shielded?

No, it is unshielded.

What is the package size?

21.84 mm diameter, 11.43 mm height, radial horizontal open package.

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