PD54R-153K

Part Overview

The PD54R-153K is a 15 µH unshielded drum core wirewound inductor manufactured by API Delevan Inc., designed for surface mount applications. This component is rated for 1.27 A continuous current with a maximum DC resistance of 160mOhm and operates across the temperature range of -55°C to 125°C. The part is currently active in production and ROHS3 compliant.

Substitute components become necessary when the primary part experiences inventory constraints, extended lead times, or when design requirements permit tolerance variations or alternative thermal performance characteristics within equivalent electrical specifications.

Substiute Parts

PD54R-153K

API Delevan Inc.In Stock: 1075PD54R-153K Datasheet

Current PartRFQ

SDR0604-150YL

Bourns Inc.In Stock: 4060SDR0604-150YL Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

The SDR0604-150YL qualifies as a direct electrical substitute based on the following criteria:

Electrical Compatibility Parameters:

• Inductance value matches at 15 µH (within tolerance windows of ±10% and ±15%)
• Current rating of 1.3 A exceeds the minimum 1.27 A requirement
• DC resistance of 140mOhm Max is lower than the 160mOhm maximum, reducing ohmic losses
• Ferrite core construction maintains identical electromagnetic performance characteristics
• Unshielded configuration preserves EMI profile equivalence
• Surface mount packaging ensures mechanical compatibility

Compliance Alignment:

• Both components are ROHS3 compliant
• Both operate within overlapping temperature ranges (-40°C ~ 125°C for the substitute versus -55°C ~ 125°C for the primary)
• Moisture sensitivity level 1 rating is identical

Tolerance Consideration: The substitute part features ±15% inductance tolerance versus the primary part's ±10%, which remains within acceptable bounds for applications where the tighter tolerance is not a critical design requirement.

Parameter Comparison

Engineering Selection Recommendations

The SDR0604-150YL presents a functionally equivalent substitution for the PD54R-153K in applications where the primary component is unavailable. Both components share ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment across supply chains.

The substitute component offers superior saturation current (1.6 A versus 1.27 A) and lower DC resistance (140mOhm versus 160mOhm), resulting in reduced power dissipation. The minimum operating temperature of -40°C for the SDR0604-150YL (versus -55°C for the PD54R-153K) should be evaluated against application requirements in extreme cold environments.

Dimensional differences are minor: the substitute is marginally larger in length, width, and height. Verification of PCB layout accommodation is recommended for space-constrained designs. Packaging format differs (Cut Tape & Digi-Reel® versus Tape & Reel), which may influence procurement and assembly logistics.

Frequently Asked Questions (FAQ)

Q: Can SDR0604-150YL directly replace PD54R-153K in all circuit applications?

A: The SDR0604-150YL qualifies as an electrical equivalent based on matching inductance value, ferrite core construction, and unshielded configuration. Applications operating at temperatures below -40°C require the primary part. PCB layout must accommodate the marginally larger physical dimensions of the substitute.

Q: What is the impact of the ±15% tolerance versus ±10% tolerance?

A: The substitute component's ±15% inductance tolerance is broader than the primary part's ±10% tolerance. Applications requiring tight inductance specifications may experience greater parameter variation with the SDR0604-150YL. Circuits with tolerance budgets accommodating ±15% variation are unaffected.

Q: How does the lower DC resistance of the substitute affect circuit operation?

A: The SDR0604-150YL exhibits 140mOhm maximum DC resistance compared to 160mOhm maximum for the primary part. Lower DC resistance reduces power dissipation and heat generation, resulting in improved efficiency without affecting the core inductance value or saturation characteristics.

Q: Are packaging and tape format compatible with existing assembly equipment?

A: The SDR0604-150YL utilizes Cut Tape (CT) and Digi-Reel® packaging versus the primary part's Tape & Reel (TR) format. Assembly equipment compatibility must be verified with procurement and manufacturing teams. Reel format differences may require handling adjustments during pick-and-place operations.

Q: What compliance verification is required before substitution?

A: Both components are ROHS3 compliant and REACH unaffected, eliminating regulatory barriers to substitution. Design validation should confirm thermal performance adequacy within the -40°C to 125°C operating range of the substitute component.