SC53LC-4R7 Equivalent & Substitute Parts

Part Overview

The SC53LC-4R7 is a 4.7 µH shielded inductor manufactured by Signal Transformer, designed for surface mount applications requiring fixed inductance in compact form factors. This component is rated for 2.8 A continuous current with a maximum DC resistance of 60mOhm and operates across the temperature range of -40°C to 125°C. The part maintains Active product status and is RoHS3 compliant. Substitute parts are identified when equivalent inductance values, shielding characteristics, and mounting compatibility align with application requirements while accommodating variations in current ratings and thermal specifications.

Substiute Parts

SC53LC-4R7

Signal TransformerIn Stock: 809SC53LC-4R7 Datasheet

Current PartRFQ

VLCF5028T-4R7N1R5-2

TDK CorporationIn Stock: 1473VLCF5028T-4R7N1R5-2 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the SC53LC-4R7 is determined by the following critical parameters:

Primary Matching Criteria:

• Inductance value: 4.7 µH (fixed requirement)
• Inductance tolerance: ±30% (matching tolerance band)
• Shielding type: Shielded (electromagnetic containment requirement)
• Mounting type: Surface Mount (PCB assembly compatibility)
• Inductance test frequency: 100 kHz (measurement standard)

Secondary Compatibility Factors:

• Current rating: Must support application current requirements
• DC resistance: Lower DCR values indicate improved efficiency
• Operating temperature range: Must encompass application thermal envelope
• Compliance certifications: RoHS3 and REACH status for regulatory alignment

The VLCF5028T-4R7N1R5-2 qualifies as a substitute based on matching inductance, tolerance, shielding, and surface mount characteristics. Variations in current rating (1.58 A vs. 2.8 A), DC resistance (43mOhm vs. 60mOhm), and maximum operating temperature (105°C vs. 125°C) must be evaluated against specific application constraints.

Parameter Comparison

Engineering Selection Recommendations

Both the SC53LC-4R7 and VLCF5028T-4R7N1R5-2 maintain Active product status and satisfy RoHS3 and REACH compliance requirements. The primary differentiation factors are current handling capacity and maximum operating temperature.

The SC53LC-4R7 supports higher continuous current (2.8 A) and extends to 125°C maximum operating temperature, making it suitable for applications with elevated thermal or current demands. The VLCF5028T-4R7N1R5-2 offers lower DC resistance (43mOhm vs. 60mOhm), resulting in reduced power dissipation, but is limited to 1.58 A continuous current and 105°C maximum temperature. Physical dimensions are comparable, with the substitute part slightly smaller in footprint and height.

Selection between these parts depends on application current requirements and thermal operating envelope. If application current remains below 1.58 A and maximum ambient temperature does not exceed 105°C, the VLCF5028T-4R7N1R5-2 provides improved efficiency characteristics. If application current exceeds 1.58 A or thermal environment extends beyond 105°C, the SC53LC-4R7 is required.

Frequently Asked Questions (FAQ)

Q: Can the VLCF5028T-4R7N1R5-2 be used as a direct replacement for the SC53LC-4R7?

A: Direct replacement is possible only if application current requirements do not exceed 1.58 A and maximum operating temperature remains below 105°C. Both parts share identical inductance (4.7 µH), tolerance (±30%), shielding type, and surface mount configuration. Current rating and temperature range differences must be verified against circuit specifications.

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

A: Current rating indicates the maximum continuous current the inductor can sustain without exceeding design specifications. The SC53LC-4R7 is rated for 2.8 A, while the VLCF5028T-4R7N1R5-2 is rated for 1.58 A. Operating above the rated current causes excessive heating and potential inductor failure. Application current must not exceed the selected part's rating.

Q: How do DC resistance values affect component selection?

A: DC resistance (DCR) represents resistive losses in the inductor windings. Lower DCR values reduce power dissipation and heat generation. The VLCF5028T-4R7N1R5-2 exhibits 43mOhm DCR compared to 60mOhm for the SC53LC-4R7, resulting in approximately 28% lower resistive losses. This advantage applies only when current remains within the substitute part's 1.58 A rating.

Q: Are there physical compatibility concerns between these parts?

A: Both parts are surface mount components with nonstandard packages. The VLCF5028T-4R7N1R5-2 is slightly smaller (5.00mm x 5.00mm vs. 5.30mm x 5.30mm) and lower profile (2.80mm vs. 3.00mm). PCB layout and component placement must accommodate these dimensional differences. Verify footprint compatibility with circuit board design before substitution.

Q: Do both parts meet the same compliance standards?

A: Yes. Both the SC53LC-4R7 and VLCF5028T-4R7N1R5-2 are RoHS3 compliant, REACH unaffected, and classified as MSL 1 (unlimited moisture sensitivity). Compliance certifications are equivalent, supporting use in regulated applications without additional qualification.