DSF050J473 Equivalent & Substitute Parts

Part Overview

The DSF050J473 is a 0.047 µF film capacitor manufactured by Cornell Dubilier Electronics (CDE) with a 50V DC voltage rating, designed for general-purpose applications in through-hole radial configurations. This component features polyester metallized-stacked dielectric construction with ±5% tolerance and operates across a temperature range of -40°C to 85°C.

The DSF050J473 is classified as obsolete. Identifying equivalent substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production or repair requirements for systems utilizing this component.

Substiute Parts

DSF050J473

Cornell Dubilier Electronics (CDE)In Stock: 820DSF050J473 Datasheet

Current PartRFQ

R82EC2470Z360J

KEMETIn Stock: 49452R82EC2470Z360J Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the DSF050J473 is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Capacitance: 0.047 µF (exact match required)
• Tolerance: ±5% (exact match required)
• Mounting Type: Through Hole (exact match required)
• Package / Case: Radial (exact match required)
• Lead Spacing: 0.197" (5.00mm) (exact match required)
• Termination: PC Pins (exact match required)

Allowable Variation Parameters:

• Voltage Rating - DC: Equal to or greater than 50V
• Operating Temperature Range: Equal to or greater than the specified range
• Dielectric Material: Polyester-based formulations (polyester, polyethylene terephthalate, or metallized-stacked polyester variants)

The substitute part R82EC2470Z360J meets all mandatory matching criteria and exceeds allowable variation parameters, making it a direct functional equivalent.

Parameter Comparison

Engineering Selection Recommendations

The R82EC2470Z360J from KEMET is a direct functional substitute for the obsolete DSF050J473. Selection is based on the following engineering criteria:

Electrical Equivalence: Both components share identical capacitance (0.047 µF), tolerance (±5%), and lead spacing (5.00mm). The R82EC2470Z360J provides a higher DC voltage rating (100V versus 50V), which is acceptable for applications designed for the original 50V component and provides additional design margin.

Mechanical Compatibility: Both components feature radial through-hole mounting with PC pin termination, ensuring direct PCB footprint compatibility without layout modifications.

Compliance & Availability: The R82EC2470Z360J is ROHS3 compliant and actively manufactured, addressing the supply discontinuation of the obsolete DSF050J473. The substitute carries AEC-Q200 automotive qualification, indicating enhanced reliability screening.

Temperature Performance: The substitute operates across -55°C to 105°C, exceeding the original -40°C to 85°C range and supporting broader application environments.

Frequently Asked Questions (FAQ)

Q: Can the R82EC2470Z360J be used as a direct replacement for DSF050J473 on existing PCBs?

A: Yes. Both components share identical lead spacing (5.00mm), radial package configuration, and PC pin termination. No PCB layout modifications are required for substitution.

Q: Why does the substitute have a higher voltage rating (100V vs. 50V)?

A: Higher voltage ratings in film capacitors do not negatively impact circuit performance when the original design operates at lower voltages. The 100V rating provides additional safety margin and is a standard characteristic of substitute components in this category.

Q: Are there any temperature range considerations when substituting?

A: The R82EC2470Z360J operates across -55°C to 105°C, which encompasses and exceeds the original -40°C to 85°C range. This substitution is suitable for applications across the original temperature specification and beyond.

Q: What is the significance of the AEC-Q200 rating on the substitute?

A: AEC-Q200 is an automotive qualification standard indicating the component has undergone enhanced reliability testing and screening. This certification does not restrict use in non-automotive applications and indicates higher manufacturing quality standards.

Q: Are both components RoHS compliant?

A: Yes. Both the DSF050J473 and R82EC2470Z360J are ROHS3 compliant, meeting current environmental and regulatory requirements for electronic components.

Q: What is the lead spacing tolerance, and does it affect substitution?

A: Both components specify 0.197" (5.00mm) lead spacing. This exact match ensures mechanical compatibility with existing through-hole PCB designs without requiring footprint adjustments.