Bourns 9250-564 560µH Shielded Drum Core Inductor Equivalent & Substitute Parts

Part Overview

The Bourns 9250-564 is a 560µH shielded drum core wirewound inductor rated for 90mA continuous current with a maximum DC resistance of 10.5Ohm. This component is classified as obsolete, making equivalent substitute parts necessary for new designs and ongoing production support. The 9250-564 operates across the temperature range of -55°C to 105°C and is designed for through-hole axial mounting applications requiring shielded inductance characteristics.

Substiute Parts

9250-564

Bourns Inc.In Stock: 12109250-564 Datasheet

Current PartRFQ

9250A-564-RC

Bourns Inc.In Stock: 9249250A-564-RC Datasheet

DirectRFQ

ER1641-564KM

API Delevan Inc.In Stock: 1249ER1641-564KM Datasheet

SimilarRFQ

ER1641-564KP

API Delevan Inc.In Stock: 843ER1641-564KP Datasheet

SimilarRFQ

ER1641-564KR

API Delevan Inc.In Stock: 919ER1641-564KR Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the 9250-564 is determined by strict equivalence across the following critical parameters: inductance value (560µH), inductance tolerance (±10%), current rating (90mA), DC resistance (10.5Ohm maximum), core material (ferrite), shielding configuration, physical dimensions (0.162" diameter × 0.410" length), and through-hole axial mounting compatibility.

The substitute parts are grouped into two categories:

Direct Manufacturer Substitute (Bourns 9250A-564-RC): Active product status with identical electrical specifications and physical form factor. This part represents the direct evolution of the obsolete 9250-564 within the same manufacturer's product line.

Cross-Manufacturer Equivalents (API Delevan ER1641 series): Parts ER1641-564KM, ER1641-564KP, and ER1641-564KR maintain electrical parameter equivalence with the 9250-564. These parts are available in tape and reel packaging and carry active product status. The ER1641-564KR variant is specified as unshielded, which represents a functional deviation from the shielded requirement of the original part.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Preferred): The Bourns 9250A-564-RC is the primary substitute for the obsolete 9250-564. This part maintains identical electrical specifications, physical form factor, and shielding characteristics. The 9250A-564-RC carries active product status and ROHS3 compliance, providing long-term supply assurance. The extended operating temperature range (-55°C to 125°C) offers additional thermal margin compared to the original part.

For Cross-Manufacturer Substitution: The API Delevan ER1641-564KM and ER1641-564KP are functionally equivalent alternatives with active product status. Both parts maintain shielded configuration and all critical electrical parameters. These parts are supplied in tape and reel packaging, suitable for automated assembly processes. The ER1641-564KR variant is not recommended as a substitute due to its unshielded configuration, which deviates from the shielding requirement of the original 9250-564.

Compliance Considerations: Applications requiring RoHS compliance should specify the Bourns 9250A-564-RC. Applications without RoHS requirements may utilize any of the listed substitutes based on packaging and supply availability.

Frequently Asked Questions (FAQ)

Q: Can the ER1641-564KR unshielded variant be used in place of the 9250-564? A: No. The 9250-564 is specified as shielded, while the ER1641-564KR is unshielded. This represents a functional deviation that may affect circuit performance in applications sensitive to electromagnetic interference.

Q: What is the difference between the 9250-564 drum core and the 9250A-564-RC molded construction? A: Both parts maintain identical electrical specifications and physical dimensions. The 9250A-564-RC uses molded construction instead of drum core wirewound design. The molded construction provides improved mechanical robustness and is the current manufacturing standard for this inductance value.

Q: Are the API Delevan ER1641 parts suitable for high-volume production? A: Yes. The ER1641-564KM and ER1641-564KP are supplied in tape and reel packaging, which is standard for automated assembly processes. Both parts carry active product status with confirmed inventory availability.

Q: Does the extended temperature range of the 9250A-564-RC (-55°C to 125°C) affect circuit design? A: No. The extended range is a superset of the original 9250-564 specification (-55°C to 105°C). Designs validated for the original part remain valid with the 9250A-564-RC.

Q: What packaging options are available for these substitutes? A: The Bourns 9250A-564-RC is available in bulk packaging. The API Delevan ER1641 series (KM, KP, KR variants) are supplied in tape and reel packaging. Packaging selection depends on assembly process requirements and order volume.

Q: Are there any compliance differences between the substitute parts? A: Yes. The Bourns 9250A-564-RC is ROHS3 compliant. The API Delevan ER1641 series parts are RoHS non-compliant. Application compliance requirements determine which substitute is appropriate.