Bourns 5511-RC 50µH 8A Wirewound Inductor Equivalent & Substitute Parts

Part Overview

The Bourns 5511-RC is a 50µH unshielded drum core wirewound inductor rated for 8A continuous current with a maximum DC resistance of 28mOhm. This through-hole radial component operates across the temperature range of -55°C to 105°C and is specified at 1kHz inductance frequency. The 5511-RC carries an obsolete product status, making identification of active equivalent parts essential for ongoing design support and procurement continuity.

Substiute Parts

5511-RC

Bourns Inc.In Stock: 12315511-RC Datasheet

Current PartRFQ

1538M11

Hammond ManufacturingIn Stock: 12751538M11 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The Hammond Manufacturing 1538M11 qualifies as a direct substitute for the Bourns 5511-RC based on the following critical parameters:

• Inductance Value: Both parts specify 50µH at 1kHz test frequency
• Current Rating: Both rated for 8A continuous current
• DC Resistance: Both maintain 28mOhm maximum DC resistance
• Physical Form Factor: Identical radial, horizontal cylinder package with matching dimensions (0.880" Dia x 1.120" L / 22.35mm x 28.45mm)
• Mounting Configuration: Both are through-hole components with identical PCB footprint compatibility
• Shielding Characteristic: Both are unshielded wirewound inductors
• Regulatory Compliance: Both carry ROHS3 compliance and REACH unaffected status

The primary distinction is tolerance specification: the 5511-RC carries ±20% tolerance while the 1538M11 offers tighter ±10% tolerance, making the substitute suitable for applications requiring improved inductance accuracy.

Parameter Comparison

Engineering Selection Recommendations

The Hammond Manufacturing 1538M11 is the qualified substitute for the obsolete Bourns 5511-RC. Selection is supported by:

• Regulatory Alignment: Both components maintain ROHS3 compliance and REACH unaffected status, ensuring continued compliance with environmental and hazardous substance directives
• Active Product Status: The 1538M11 carries active product status with confirmed inventory availability (1264 pcs), providing long-term procurement security versus the obsolete 5511-RC
• Electrical Equivalence: Matching inductance, current rating, and DC resistance specifications ensure functional interchangeability in circuit applications
• Physical Compatibility: Identical package dimensions and through-hole radial configuration enable direct PCB footprint compatibility without layout modification
• Tolerance Improvement: The tighter ±10% tolerance of the 1538M11 provides enhanced inductance accuracy compared to the ±20% specification of the original part

Frequently Asked Questions (FAQ)

Q: Can the Hammond 1538M11 be used as a direct replacement for the Bourns 5511-RC without PCB modification?

A: Yes. Both components share identical physical dimensions (0.880" Dia x 1.120" L), radial horizontal cylinder package configuration, and through-hole mounting, enabling direct PCB footprint compatibility without layout changes.

Q: What is the significance of the tolerance difference between these parts?

A: The 5511-RC specifies ±20% inductance tolerance while the 1538M11 specifies ±10%. The tighter tolerance of the substitute provides improved inductance accuracy. Applications requiring the original ±20% tolerance window will operate within specification with the substitute.

Q: Are there any compliance or regulatory differences between these parts?

A: No. Both the Bourns 5511-RC and Hammond 1538M11 carry identical ROHS3 compliance and REACH unaffected status, ensuring equivalent regulatory standing for procurement and deployment.

Q: Why is the Bourns 5511-RC listed as obsolete?

A: The 5511-RC carries obsolete product status, indicating it is no longer manufactured or supported by Bourns Inc. The Hammond 1538M11 maintains active product status with ongoing manufacturing and availability.

Q: Are the electrical performance characteristics identical between these inductors?

A: The critical electrical parameters are identical: 50µH inductance at 1kHz, 8A current rating, and 28mOhm maximum DC resistance. Both are unshielded wirewound inductors operating across -55°C to 105°C temperature range.

Q: What inventory status should be considered for procurement?

A: The Bourns 5511-RC shows 1157 pcs available as new original stock. The Hammond 1538M11 shows 1264 pcs available as new original stock. The active product status of the 1538M11 provides superior long-term availability assurance.