Equivalent & Substitute Parts for Bourns 5509-RC

Part Overview

The Bourns 5509-RC is a 10 µH unshielded drum core wirewound inductor rated for 12 A continuous current with a maximum DC resistance of 12 mOhm. This through-hole component is designed for radial, horizontal cylinder mounting in applications requiring fixed inductance values with moderate current handling capability.

The 5509-RC has reached obsolete product status. Identifying qualified substitute components ensures design continuity and maintains supply chain reliability for legacy systems and new production runs requiring equivalent electrical and mechanical performance.

Substiute Parts

5509-RC

Bourns Inc.In Stock: 10485509-RC Datasheet

Current PartRFQ

1538M09

Hammond ManufacturingIn Stock: 10091538M09 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 5509-RC is determined by strict equivalence across the following critical parameters:

Electrical Parameters:

• Inductance value: 10 µH (exact match required)
• Current rating: 12 A minimum
• DC resistance: 12 mOhm maximum
• Shielding configuration: Unshielded
• Inductance test frequency: 1 kHz

Mechanical Parameters:

• Mounting type: Through hole
• Package configuration: Radial, horizontal cylinder
• Physical dimensions: 0.640" Dia x 1.120" L (16.26mm x 28.45mm)

Compliance Parameters:

• RoHS3 compliance required
• REACH unaffected status

The Hammond Manufacturing 1538M09 meets all substitution criteria across electrical, mechanical, and compliance specifications.

Parameter Comparison

Engineering Selection Recommendations

The Hammond Manufacturing 1538M09 is a direct functional equivalent to the Bourns 5509-RC. Both components satisfy identical electrical specifications for inductance, current rating, and DC resistance. Physical dimensions and mounting configurations are identical, ensuring PCB compatibility without layout modifications.

The 1538M09 offers improved tolerance performance (±10% versus ±20%), providing tighter inductance control in applications where precision is beneficial. The Hammond part maintains active product status, ensuring long-term availability and supply chain stability compared to the obsolete 5509-RC.

Both components carry ROHS3 compliance and REACH unaffected status, meeting current regulatory requirements for electronic component procurement.

Frequently Asked Questions (FAQ)

Q: Can the Hammond 1538M09 be used as a direct replacement for the Bourns 5509-RC?

A: Yes. Both components share identical inductance values (10 µH), current ratings (12 A), DC resistance specifications (12 mOhm max), physical dimensions (0.640" Dia x 1.120" L), and mounting configurations (through-hole radial, horizontal cylinder). No circuit modifications or PCB layout changes are required.

Q: What is the difference in tolerance between these parts?

A: The Bourns 5509-RC specifies ±20% inductance tolerance, while the Hammond 1538M09 specifies ±10%. The tighter tolerance of the Hammond part may provide improved circuit performance in applications sensitive to inductance variation.

Q: Are both parts RoHS and REACH compliant?

A: Yes. Both the Bourns 5509-RC and Hammond 1538M09 are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory standards for electronic component procurement.

Q: Why is the Bourns 5509-RC listed as obsolete?

A: Obsolete status indicates the manufacturer has discontinued production. The Hammond 1538M09 maintains active product status, ensuring continued availability for new designs and production requirements.

Q: Are there any mechanical differences between these inductors?

A: No. Both components feature identical physical dimensions, package configurations, and mounting types. They are mechanically interchangeable without PCB modifications.