Bourns 1130-331K Fixed Inductor Equivalent & Substitute Parts

Part Overview

The Bourns 1130-331K is a 330 µH unshielded drum core wirewound inductor rated for 4.5 A with a maximum DC resistance of 122 mOhm. This through-hole radial component operates across a temperature range of -55°C to 105°C and is mounted vertically in a cylinder package measuring 1.100" diameter by 0.840" height.

The 1130-331K is classified as obsolete. Locating equivalent substitute parts is necessary to maintain design continuity and ensure component availability for production, repair, and field replacement applications.

Substiute Parts

1130-331K

Bourns Inc.In Stock: 11531130-331K Datasheet

Current PartRFQ

IHB3BV331K

Vishay DaleIn Stock: 917IHB3BV331K Datasheet

SimilarRFQ

IHB3EB331K

Vishay DaleIn Stock: 1223IHB3EB331K Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 1130-331K are identified based on the following critical parameters that must align for functional equivalence:

• Inductance Value: 330 µH (primary electrical specification)
• Inductance Tolerance: ±10% (acceptable deviation range)
• DC Resistance: 122 mOhm maximum (electrical performance under load)
• Core Type: Ferrite, unshielded wirewound (electromagnetic characteristics)
• Mounting Type: Through hole, radial vertical cylinder (physical installation compatibility)
• Operating Temperature Range: -55°C to 105°C (environmental suitability)

The substitute parts listed below meet these core electrical and mechanical parameters. Current rating variations are noted where they differ from the main part specification.

Parameter Comparison

Engineering Selection Recommendations

Primary Consideration: The 1130-331K is obsolete. Both Vishay Dale substitute parts (IHB3BV331K and IHB3EB331K) provide equivalent inductance, DC resistance, and package compatibility for through-hole radial mounting applications.

Current Rating Differential: The substitute parts are rated for 3.2 A maximum current, compared to the original 4.5 A rating. Circuit designs operating at or below 3.2 A are directly compatible. Designs requiring the full 4.5 A capability must be re-evaluated for thermal and electrical performance with the lower-rated substitute.

Compliance Status: The original 1130-331K is RoHS non-compliant. Substitute part compliance status should be verified against your application's regulatory requirements before final selection.

Inventory Availability: IHB3EB331K (1117 pcs in stock) offers higher availability than IHB3BV331K (887 pcs in stock), supporting production continuity.

Frequently Asked Questions (FAQ)

Q: Can IHB3BV331K or IHB3EB331K be used as direct replacements for 1130-331K?

A: Both parts match the critical electrical parameters (330 µH inductance, 122 mOhm DC resistance) and physical package (radial, vertical cylinder through-hole mounting). The primary difference is current rating: substitutes are rated for 3.2 A versus the original 4.5 A. Direct substitution is valid for applications operating at or below 3.2 A.

Q: What is the difference between IHB3BV331K and IHB3EB331K?

A: Both parts share identical electrical specifications (330 µH, 3.2 A, 122 mOhm) and package configuration. The designation difference (BV versus EB) reflects internal Vishay Dale series classification. Selection between them should be based on inventory availability and lead time requirements.

Q: Are there any mechanical compatibility concerns when substituting these parts?

A: All three parts use identical radial, vertical cylinder through-hole packages with matching 1.100" diameter and 0.840" height dimensions. PCB footprints and mounting hardware remain compatible across all three part numbers.

Q: What should I verify before finalizing a substitution?

A: Confirm that your circuit design operates at or below 3.2 A maximum current. Verify compliance requirements for your application, as the original part is RoHS non-compliant while substitute compliance status should be confirmed with the manufacturer. Validate thermal performance under your specific operating conditions.