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1120-100K Bourns 1120-100K is a 10 µH unshielded drum core wirewound fixed inductor rated for 11.4 A with 9 mΩ maximum DCR. Through-hole radial vertical cylinder package with operating temperature -55°C to 105°C.
Mfr Part #:

1120-100K

Available from 1 distributors
Mfr Name: Bourns
Bourns
Bourns 1120-100K is a 10 µH unshielded drum core wirewound fixed inductor rated for 11.4 A with 9 mΩ maximum DCR. Through-hole radial vertical cylinder package with operating temperature -55°C to 105°C.
✓ Total Stock: 14 pcs

1120-100K Available from 1 distributor

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Bristol Electronics ✓
Non-Authorised Inventory information
14 pcs
On Request
14 pcs On Request 1 On Request On Request 2026-02-25 06:16:38 On Request On Request
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1120-100K 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 Spacing
Lead Style
Material
Mounting Type
Operating Temperature
Shielding
Tolerance
Type
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1120-100K Description

Short technical summary and product information.

The Bourns 1120-100K is a 10 µH fixed inductor from the 1120 series of high current RF chokes. It features an epoxy-coated ferrite bobbin core with wirewound construction and is unshielded. The inductor is rated for 11.4 A DC current and has a maximum DC resistance of 9 mΩ.

 

Electrical specifications include a ±10% inductance tolerance and an operating temperature range of -55°C to +105°C. The rated current is defined as the current causing a 50°C maximum temperature rise and a 5% maximum inductance drop, per the manufacturer datasheet.

 

The component is supplied in a radial, vertical cylinder package with a diameter of 20.57 mm and height of 21.34 mm. It mounts through hole and features self-leaded construction with fixed 0.14-inch lead spacing. A center hole is provided for mechanical mounting.

1120-100K Quick Information

Product Type: Fixed Inductor
Series: 1120
Canonical Name: 10 µH Unshielded Drum Core Wirewound Fixed Inductor
Subcategory: High Current RF Choke

1120-100K Compliance

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

1120-100K Features

  • Provides 10 µH inductance at ±10% tolerance.
  • Rated for 11.4 A DC current.
  • Low 9 mΩ maximum DCR.
  • Unshielded ferrite drum core construction.
  • Through-hole radial vertical cylinder package.

1120-100K Applications

  • High-current RF choke for power supplies
  • Used in DC-DC converter output filtering
  • Suitable for low-impedance power lines
  • Works in high-current inductor circuits

1120-100K FAQs

7 frequently asked questions generated from this part’s specifications.
What is the inductance value of the Bourns 1120-100K?

10 µH.

What is the inductance tolerance?

±10%.

What is the rated DC current of the 1120-100K?

11.4 A, defined as the current that causes 50°C maximum temperature rise and 5% maximum inductance drop.

What is the maximum DC resistance?

9 mΩ (0.009 Ω).

What is the operating temperature range?

-55°C to +105°C.

What package and mounting type does the 1120-100K use?

Radial, vertical cylinder package with through-hole mounting, self-leaded construction, and 0.14-inch lead spacing.

Is the 1120-100K shielded?

No, it is unshielded.

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