VLS6045AF-3R3N Equivalent & Substitute Parts

Part Overview

The VLS6045AF-3R3N is a 3.3 µH shielded drum core wirewound inductor manufactured by TDK Corporation, rated for 5 A continuous current with 22 mOhm DC resistance. This component is designed for surface mount applications in compact 6.00mm x 6.00mm form factors. The part maintains Active product status and is ROHS3 compliant with unlimited moisture sensitivity rating. Substitute parts are identified when equivalent inductance values, compatible current ratings, and matching physical dimensions are available from alternative manufacturers while maintaining compliance standards.

Substiute Parts

VLS6045AF-3R3N

TDK CorporationIn Stock: 1027VLS6045AF-3R3N Datasheet

Current PartRFQ

SDCH1V6045-3R3M-R

Eaton - Electronics DivisionIn Stock: 3091SDCH1V6045-3R3M-R Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the VLS6045AF-3R3N is determined by the following critical parameters:

Inductance value must match at 3.3 µH with tolerance specifications that permit functional equivalence in the application circuit. Core material must remain ferrite-based to maintain electromagnetic performance characteristics. Physical dimensions must be identical at 6.00mm x 6.00mm x 4.50mm to ensure PCB layout compatibility and mechanical fit. Current rating must support the application requirement; saturation current (Isat) must be sufficient for peak transient conditions. DC resistance must remain within acceptable limits to prevent excessive power dissipation. Shielding configuration may vary between fully shielded and semi-shielded designs depending on EMI requirements. Surface mount packaging and tape & reel delivery format must be maintained. Operating temperature range must encompass the application environment. RoHS3 compliance and REACH unaffected status must be preserved for regulatory alignment.

Parameter Comparison

Engineering Selection Recommendations

Both parts maintain Active product status and full regulatory compliance under ROHS3 and REACH standards. The VLS6045AF-3R3N provides a continuous current rating of 5 A with 22 mOhm DCR and fully shielded construction. The SDCH1V6045-3R3M-R substitute from Eaton offers a continuous current rating of 4 A with 26 mOhm maximum DCR and semi-shielded construction, though it provides higher saturation current at 8.5 A and extended operating temperature range to 125°C. Selection between these parts depends on application-specific requirements for continuous current handling, EMI shielding effectiveness, and thermal operating conditions. Both components share identical physical dimensions, ferrite core material, and surface mount packaging, ensuring mechanical and electrical compatibility within the specified parameter envelope.

Frequently Asked Questions (FAQ)

Q: Can SDCH1V6045-3R3M-R replace VLS6045AF-3R3N in all applications?

A: Substitution is valid when the application continuous current requirement does not exceed 4 A. The lower continuous current rating of the Eaton part is the primary limiting factor. If the circuit requires sustained 5 A operation, the TDK part is required. Both parts share identical inductance, physical dimensions, and core material.

Q: What is the difference between shielded and semi-shielded construction?

A: Shielded inductors (VLS6045AF-3R3N) provide complete magnetic field containment, reducing EMI coupling to adjacent circuit elements. Semi-shielded inductors (SDCH1V6045-3R3M-R) offer partial field containment with lower cost and slightly reduced profile. Selection depends on EMI sensitivity requirements of the application.

Q: Are the inductance tolerances equivalent?

A: No. The VLS6045AF-3R3N specifies ±30% tolerance while the SDCH1V6045-3R3M-R specifies ±20% tolerance. The Eaton part provides tighter inductance control. Both are tested at 100 kHz per specification.

Q: Do the parts have identical DC resistance?

A: The VLS6045AF-3R3N specifies 22 mOhm while the SDCH1V6045-3R3M-R specifies 26 mOhm maximum. The 4 mOhm difference results in approximately 0.8 W additional power dissipation at 4 A continuous current. This must be evaluated against thermal design margins.

Q: Can either part operate at 125°C?

A: The VLS6045AF-3R3N is rated to 105°C maximum. The SDCH1V6045-3R3M-R extends to 125°C. If the application requires 125°C operation, only the Eaton part is suitable.

Q: Are both parts available in tape & reel packaging?

A: Yes. Both VLS6045AF-3R3N and SDCH1V6045-3R3M-R are supplied in tape & reel format for automated assembly processes.