1130-121K-RC Bourns 1130-121K-RC is a fixed drum core wirewound inductor with 120µH inductance, 7.2A current rating, and 46mΩ maximum DCR. It features a ferrite core and through hole mounting in a radial vertical cylinder package.
Mfr Part #:

1130-121K-RC

Available from 1 distributors
Mfr Name: Bourns
Bourns
Bourns 1130-121K-RC is a fixed drum core wirewound inductor with 120µH inductance, 7.2A current rating, and 46mΩ maximum DCR. It features a ferrite core and through hole mounting in a radial vertical cylinder package.
Total Stock: 60 pcs
$ Price Range: $5.49 - $9.51

1130-121K-RC Available from 1 distributor

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Non-Authorised
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1130-121K-RC Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Automotive Grade
Current Rating (Amps)
DC Resistance (DCR)
Diameter
Dielectric Withstanding Voltage (Minimum @ Terminal to core)
Dielectric Withstanding Voltage (Minimum @ Terminal to shrink tube cover)
Height
Inductance
Lead Spacing
Lead Style
Material
Medical Grade
Military Grade
Mounting Type
Operating Temperature
Shielding
Termination Style
Test Frequency
Tolerance
Type

1130-121K-RC Description

Short technical summary and product information.

The Bourns 1130-121K-RC is a fixed inductor from the 1130 series, designed for high current applications. It offers an inductance of 120µH measured at 1kHz with a tolerance of ±10%. The component is rated for a maximum DC current of 7.2A, based on a 50°C temperature rise and 5% inductance drop, and features a low maximum DC resistance of 46mΩ.

 

The inductor uses a ferrite drum core with wirewound construction and is unshielded. It is mounted through hole in a radial vertical cylinder package, with self-leaded terminations and a fixed lead spacing. The body diameter is 27.94mm (1.100") and overall height is 21.34mm (0.840"). A center hole is available for mechanical mounting.

 

The part operates over a temperature range of -55°C to +105°C. Dielectric withstanding voltage is 2500Vrms from terminal to shrink tube cover and 1000Vrms from terminal to core. The component is RoHS compliant.

1130-121K-RC Quick Information

Product Type: Fixed Inductor
Series: 1130
Canonical Name: Bourns 1130-121K-RC Fixed Inductor, 120µH, 7.2A, 46mΩ DCR, Through Hole
Subcategory: Drum Core, Wirewound

1130-121K-RC Compliance

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

1130-121K-RC Estimated Pricing

Qty Low High
1+ $9.51 $9.51
10+ $7.82 $7.82
25+ $7.24 $7.24
50+ $6.83 $6.83
106+ $6.41 $6.41
318+ $5.84 $5.84
530+ $5.59 $5.59
1,060+ $5.49 $5.49

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

1130-121K-RC Features

  • 120µH inductance at 1kHz test frequency.
  • 7.2A rated current with 50°C rise limit.
  • 46mΩ maximum DC resistance.
  • Through hole radial vertical cylinder package.
  • RoHS3 compliant and REACH unaffected.

1130-121K-RC Applications

  • High current filtering in power supplies.
  • DC-DC converter output choke applications.
  • Energy storage in switching regulator circuits.
  • EMI suppression in industrial equipment.
  • Low DCR designs requiring high current handling.

1130-121K-RC FAQs

7 frequently asked questions generated from this part’s specifications.
What is the inductance of the Bourns 1130-121K-RC?

The inductance is 120µH measured at 1kHz with a ±10% tolerance.

What is the current rating of this inductor?

The DC current rating is 7.2A maximum, based on a 50°C maximum temperature rise and 5% maximum inductance drop.

What is the DC resistance (DCR) of the 1130-121K-RC?

The maximum DC resistance is 46mΩ.

What is the package and mounting type?

The inductor is in a radial vertical cylinder package and mounts through hole.

What is the operating temperature range?

The operating temperature range is -55°C to +105°C.

Is this inductor shielded?

No, it is unshielded.

What is the dielectric withstanding voltage?

2500 Vrms from terminal to shrink tube cover and 1000 Vrms from terminal to core.

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