DSF050J474 Equivalent & Substitute Parts

Part Overview

The DSF050J474 is a 0.47 µF film capacitor rated for 50V DC, manufactured by Cornell Dubilier Electronics (CDE) in the DSF series. This component features polyester metallized-stacked construction with radial through-hole mounting and ±5% tolerance. The part is classified as obsolete, making identification of compatible substitutes essential for ongoing system support and procurement planning.

Substiute Parts

DSF050J474

Cornell Dubilier Electronics (CDE)In Stock: 1183DSF050J474 Datasheet

Current PartRFQ

R82DC3470Z360J

KEMETIn Stock: 17224R82DC3470Z360J Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the DSF050J474 is determined by the following critical parameters:

Mandatory Matching Criteria:

• Capacitance value: 0.47 µF (exact match required)
• Tolerance: ±5% (electrical performance specification)
• Mounting type: Through Hole radial configuration
• Lead spacing: 0.197" (5.00mm) center-to-center
• Dielectric type: Polyester metallized-stacked construction
• Termination: PC Pins

Allowable Variation:

• Voltage rating: Substitute must equal or exceed 50V DC
• Operating temperature range: Substitute must support the application's thermal requirements
• Physical dimensions: Minor variations acceptable provided lead spacing and mounting footprint remain compatible

The R82DC3470Z360J from KEMET satisfies all mandatory criteria with a higher voltage rating (63V DC) and extended temperature range (-55°C ~ 105°C), making it electrically and mechanically compatible.

Parameter Comparison

Engineering Selection Recommendations

The R82DC3470Z360J is a direct functional substitute for the DSF050J474. Selection is based on the following factors:

Electrical Compatibility: Both components share identical capacitance (0.47 µF) and tolerance (±5%). The substitute's 63V DC rating exceeds the original 50V requirement, providing additional voltage margin without affecting circuit performance.

Mechanical Compatibility: Lead spacing (5.00mm) and radial through-hole configuration are identical, ensuring PCB footprint compatibility without layout modifications.

Environmental Compliance: Both parts are ROHS3 compliant and REACH unaffected, meeting regulatory requirements for current manufacturing and deployment.

Product Status: The R82DC3470Z360J is active production status with 17,158 units in stock, compared to the obsolete DSF050J474 with limited remaining inventory (1,130 units). The KEMET component includes AEC-Q200 automotive qualification, indicating enhanced reliability screening.

Temperature Performance: The substitute's extended operating range (-55°C ~ 105°C) accommodates broader thermal environments than the original (-40°C ~ 85°C).

Frequently Asked Questions (FAQ)

Q: Can the R82DC3470Z360J directly replace the DSF050J474 without PCB modifications?

A: Yes. Both components have identical lead spacing (5.00mm), radial through-hole mounting, and PC pin termination. No PCB layout changes are required.

Q: Why does the substitute have a higher voltage rating (63V vs. 50V)?

A: Higher voltage ratings do not degrade circuit performance in applications designed for lower voltages. The 63V rating provides additional safety margin and is a standard practice in component substitution when higher-rated alternatives are available.

Q: Are there any temperature-related concerns when using the R82DC3470Z360J in place of the DSF050J474?

A: No. The substitute's extended temperature range (-55°C ~ 105°C) encompasses the original specification (-40°C ~ 85°C). Applications operating within the original temperature limits will function identically.

Q: What does AEC-Q200 qualification on the KEMET part indicate?

A: AEC-Q200 is an automotive industry standard for passive component reliability. It indicates the R82DC3470Z360J has undergone enhanced qualification testing, though this does not affect compatibility in non-automotive applications.

Q: Are both parts RoHS compliant?

A: Yes. Both the DSF050J474 and R82DC3470Z360J are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory standards.

Q: What is the lead spacing specification, and why is it important?

A: Both components have 0.197" (5.00mm) lead spacing, which is the center-to-center distance between pins. This specification determines PCB hole pattern compatibility and ensures mechanical fit without modification.