Bourns 5900-392 3.9 mH Wirewound Inductor Equivalent & Substitute Parts

Part Overview

The Bourns 5900-392 is a 3.9 mH unshielded drum core wirewound inductor rated for 370 mA continuous current with a maximum DC resistance of 3.1 Ohm. This through-hole axial component operates across the temperature range of -55°C to 105°C and is specified at 1 kHz inductance frequency test.

The 5900-392 carries an obsolete product status. Locating equivalent and substitute parts is necessary to maintain design continuity and ensure component availability for production and repair applications. Active alternatives with matching or superior electrical characteristics are available from multiple manufacturers.

Substiute Parts

5900-392

Bourns Inc.In Stock: 11435900-392 Datasheet

Current PartRFQ

5900-392-RC

Bourns Inc.In Stock: 19825900-392-RC Datasheet

DirectRFQ

4590-395K

API Delevan Inc.In Stock: 9384590-395K Datasheet

SimilarRFQ

4590R-395K

API Delevan Inc.In Stock: 13964590R-395K Datasheet

SimilarRFQ

AIAP-03-392K

Abracon LLCIn Stock: 1448AIAP-03-392K Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 5900-392 are classified based on electrical parameter compatibility within the following criteria:

Primary Substitution Criteria:

• Inductance value: 3.9 mH ±10%
• Inductance tolerance: ±10%
• Mounting type: Through hole
• Package style: Axial
• Core material: Ferrite
• Shielding: Unshielded
• Operating temperature range: Minimum -55°C to 105°C
• Inductance test frequency: 1 kHz

Acceptable Parameter Variations:

• Current rating: Equal to or greater than 370 mA
• DC resistance: Equal to or less than 3.1 Ohm (lower resistance preferred)
• Saturation current: Equal to or greater than 420 mA
• Physical dimensions: Within ±0.010" tolerance for diameter and length

Parts meeting these criteria are classified as direct or similar substitutes based on exact parameter matching and product status.

Parameter Comparison

Engineering Selection Recommendations

Direct Replacement (Preferred):

The Bourns 5900-392-RC is the primary direct substitute. It maintains identical electrical specifications (3.9 mH, 370 mA, 3.1 Ohm DCR) and physical dimensions while offering active product status and ROHS3 compliance. The packaging difference (tray versus bulk) does not affect electrical performance. This part is recommended for applications requiring exact parameter matching and regulatory compliance.

Alternative Substitutes (Conditional):

The API Delevan 4590-395K and 4590R-395K provide higher current ratings (480 mA) and lower DC resistance (2.84 Ohm) compared to the original specification. These parts are suitable for applications where increased current capacity and reduced resistive losses are beneficial. The 4590R-395K offers ROHS3 compliance and extended operating temperature range (-55°C to 125°C). Physical dimensions are within acceptable tolerance (0.455" diameter versus 0.453").

The Abracon AIAP-03-392K delivers the lowest DC resistance (2.75 Ohm) and highest current rating (430 mA) among all substitutes. It maintains ROHS3 compliance and extended temperature range. Physical dimensions are within tolerance (0.449" diameter, 0.902" length). The core material specification differs (wirewound versus drum core), but electrical performance remains compatible.

Compliance Considerations:

For applications requiring RoHS3 compliance, the 5900-392-RC, 4590R-395K, and AIAP-03-392K are suitable selections. The original 5900-392 and 4590-395K are non-compliant and should be avoided in regulated applications.

Frequently Asked Questions (FAQ)

Q: Can the 5900-392-RC be used as a direct replacement for the 5900-392?

A: Yes. The 5900-392-RC is electrically and mechanically identical to the 5900-392. The only differences are product status (active versus obsolete) and packaging format (tray versus bulk). It is the recommended direct substitute.

Q: What are the advantages of using the API Delevan 4590-395K or 4590R-395K?

A: Both parts provide higher current ratings (480 mA versus 370 mA) and lower DC resistance (2.84 Ohm versus 3.1 Ohm). The 4590R-395K additionally offers ROHS3 compliance and extended operating temperature range to 125°C. These characteristics reduce power dissipation and provide design margin in current-limited applications.

Q: Are there physical compatibility concerns with the API Delevan and Abracon substitutes?

A: Physical dimensions are within acceptable tolerance. The API Delevan parts measure 0.455" diameter (versus 0.453" original), and the Abracon part measures 0.449" diameter and 0.902" length. These variations are within standard PCB hole and component placement tolerances for through-hole axial inductors.

Q: Which substitute offers the best overall performance?

A: Selection depends on application requirements. The 5900-392-RC provides exact parameter matching. The Abracon AIAP-03-392K offers the lowest DC resistance (2.75 Ohm) and highest current rating (430 mA) with ROHS3 compliance. The API Delevan 4590R-395K provides the highest current rating (480 mA) with extended temperature range.

Q: Does the difference between drum core and wirewound construction affect compatibility?

A: The Abracon AIAP-03-392K uses wirewound construction while the original and other substitutes use ferrite drum core. Both constructions deliver the specified 3.9 mH inductance with ±10% tolerance at 1 kHz. Electrical performance is compatible for standard circuit applications.

Q: What is the impact of RoHS compliance on part selection?

A: For applications subject to RoHS3 regulations, the 5900-392-RC, 4590R-395K, and AIAP-03-392K are compliant options. The original 5900-392 and 4590-395K are non-compliant and unsuitable for regulated markets or end-use applications requiring compliance documentation.