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Bourns 1140390KRC High Current Choke

The Bourns 1140-390K-RC is a high-current choke designed for a variety of industrial applications. Its key features include very high current capacity, low DCR, and an epoxy coated ferrite bobbin core. The fixed lead spacing and center hole facilitate mechanical mounting, while the VW-1 rated shrink tubing provides insulation. This choke is RoHS compliant and operates effectively within a temperature range of -55 to +105 °C, making it suitable for demanding environments.

Authorized Distributors
Source:DigiKey
Part No:1140-390K-RC
Stock:0
Inv Date:05-28-2026
Price: Unit price: $14.05
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Part No:1140-390K-RC
Stock:136
Inv Date:05-29-2026
Price: Unit price: $9.35
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Part No:1140-390K-RC
Stock:0
Inv Date:05-28-2026
Price: Unit price: $10.16
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Part No:1140-390K-RC
Stock:255
Inv Date:05-28-2026
Price: Unit price: $8.73
Buy/RFQ:
Part No:1140-390K-RC
Stock:255
Inv Date:05-28-2026
Price: Unit price: $8.73
Buy/RFQ:

Bourns 1140390KRC High Current Choke Specifications:

  • Very high current capacity: Yes
  • Low DCR: Yes
  • Epoxy coated ferrite bobbin core: Yes
  • VW-1 rated shrink tubing: Yes
  • Self-leaded: Yes
  • Fixed lead spacing: Yes
  • Center hole for mechanical mounting: Yes
  • Dielectric withstanding voltage: 2500 Vrms terminal to shrink tube cover; 1000 Vrms terminal to core
  • Operating temperature: -55 to +105 °C
  • Rated current: Causes 50 °C max. temperature rise and 5 % max. inductance drop
  • Major diameter of #6 screw: 0.138”

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Frequently Asked Questions

Where can I buy Bourns 1140390KRC?

You can click on the BUY or RFQ button to purchase 1140390KRC from an authorized Bourns distributor.

How do I troubleshoot issues or seek technical support for part 1140390KRC?

You can download the 1140390KRC datasheet or visit the Bourns website for support.

Who is the manufacturer of 1140390KRC?

Bourns

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