Equivalent & Substitute Parts for Bourns 1120-150K

Part Overview

The Bourns 1120-150K is a 15 µH unshielded drum core wirewound inductor rated for 9 A continuous current with a maximum DC resistance of 13 mOhm. This through-hole radial component operates across a temperature range of -55°C to 105°C and is designed for applications requiring fixed inductance in compact form factors.

The 1120-150K carries an obsolete product status. Identifying equivalent substitute parts ensures design continuity and supply chain reliability for applications currently utilizing this component.

Substiute Parts

1120-150K

Bourns Inc.In Stock: 11311120-150K Datasheet

Current PartRFQ

DC780-153K

API Delevan Inc.In Stock: 1110DC780-153K Datasheet

SimilarRFQ

IHB2BV150K

Vishay DaleIn Stock: 1095IHB2BV150K Datasheet

SimilarRFQ

IHB2EB150K

Vishay DaleIn Stock: 725IHB2EB150K Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 1120-150K are qualified based on the following electrical and mechanical parameters:

• Inductance value: 15 µH ±10%
• Current rating: minimum 9 A
• DC resistance: 13 mOhm maximum
• Core material: Ferrite
• Shielding: Unshielded
• Mounting: Through hole
• Package: Radial, vertical cylinder configuration
• Test frequency: 1 kHz

The substitute parts listed below meet these core electrical specifications and maintain mechanical compatibility with the original 1120-150K footprint requirements.

Parameter Comparison

Engineering Selection Recommendations

The API Delevan DC780-153K represents the primary substitute option. It maintains identical electrical specifications (15 µH, 9 A, 13 mOhm DCR) and mechanical compatibility while offering active product status and an extended operating temperature range to 125°C. This part is currently in stock with equivalent inventory availability.

The Vishay Dale IHB2BV150K and IHB2EB150K are secondary alternatives. Both maintain the 15 µH inductance and 13 mOhm DCR specifications but are rated for 8.4 A continuous current, which is below the original 9 A specification. These parts are suitable only for applications where the actual operating current does not exceed 8.4 A. Both Vishay Dale parts are currently in stock.

For new designs or applications requiring the full 9 A rating, the API Delevan DC780-153K is the recommended substitute. For existing applications operating below 8.4 A, the Vishay Dale options provide functional equivalence with established supply availability.

Frequently Asked Questions (FAQ)

Q: Can the Vishay Dale IHB2BV150K or IHB2EB150K be used as direct replacements for the 1120-150K?

A: These parts meet the inductance (15 µH) and DC resistance (13 mOhm) specifications but are rated for 8.4 A continuous current versus the original 9 A rating. Direct substitution is valid only if the application's actual operating current does not exceed 8.4 A.

Q: What is the primary advantage of the API Delevan DC780-153K over the Vishay Dale alternatives?

A: The DC780-153K maintains the full 9 A current rating and extends the operating temperature range to 125°C compared to the original 105°C maximum. It also carries active product status, ensuring long-term availability.

Q: Are there physical dimension differences between these substitute parts?

A: The API Delevan DC780-153K has slightly different dimensions (0.772" diameter, 0.831" height) compared to the original 1120-150K (0.810" diameter, 0.840" height). Both maintain radial, vertical cylinder package configurations suitable for through-hole mounting.

Q: Do all substitute parts meet the same RoHS compliance requirements?

A: The original 1120-150K and API Delevan DC780-153K are both RoHS non-compliant. Compliance status for the Vishay Dale parts is not specified in available documentation.

Q: What inductance tolerance should be expected from these substitute parts?

A: The API Delevan DC780-153K specifies ±10% tolerance, matching the original part. Tolerance specifications for the Vishay Dale IHB2BV150K and IHB2EB150K are not provided.