Equivalent & Substitute Parts for DME4S47K-F

Part Overview

The DME4S47K-F is a 0.047 µF film capacitor manufactured by Cornell Dubilier Electronics (CDE) with a 400V DC voltage rating and ±10% tolerance. This radial through-hole component is designed for general-purpose applications and operates across a temperature range of -55°C to 125°C. The part is currently active in production and ROHS3 compliant.

Substitute parts are identified when equivalent electrical and mechanical parameters align with the main part specifications, enabling direct replacement in circuit designs without functional degradation.

Substiute Parts

DME4S47K-F

Cornell Dubilier Electronics (CDE)In Stock: 1416DME4S47K-F Datasheet

Current PartRFQ

B32521C6473K

EPCOS - TDK ElectronicsIn Stock: 1172B32521C6473K Datasheet

DirectRFQ

B32521C6473K289

EPCOS - TDK ElectronicsIn Stock: 4257B32521C6473K289 Datasheet

DirectRFQ

B32521C6473J

EPCOS - TDK ElectronicsIn Stock: 5437B32521C6473J Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution logic for the DME4S47K-F is based on the following criteria:

Direct Electrical Equivalents: Parts with identical capacitance (0.047 µF), voltage ratings (400V DC / 200V AC), tolerance (±10%), dielectric material (Polyester, Metallized), and operating temperature range (-55°C to 125°C).

Mechanical Compatibility: All substitute parts must maintain through-hole radial mounting with 0.394" (10.00mm) lead spacing and PC pin termination to ensure PCB footprint compatibility.

Compliance Requirements: All substitute parts must maintain ROHS3 compliance and REACH unaffected status.

Packaging Variants: Substitutes may differ in packaging format (Bulk vs. Cut Tape) without affecting electrical or mechanical function.

Tolerance Upgrades: Parts with tighter tolerance specifications (±5%) are classified as upgrades and provide enhanced performance while maintaining full backward compatibility.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Equivalent Function):

B32521C6473K and B32521C6473K289 provide electrical and mechanical equivalence to the DME4S47K-F. Both parts maintain identical capacitance, voltage ratings, tolerance, operating temperature range, and lead spacing. The primary distinction is packaging format: B32521C6473K is supplied in Bulk, while B32521C6473K289 is supplied in Cut Tape format. Both parts are marked "Not For New Designs" by EPCOS - TDK Electronics, indicating they are legacy products suitable for replacement applications only.

For Performance Enhancement (Upgrade Path):

B32521C6473J is an active production part from EPCOS - TDK Electronics with tighter tolerance specification (±5% versus ±10%). This upgrade maintains all electrical and mechanical compatibility while providing improved capacitance accuracy. The part is suitable for new designs and represents the recommended long-term solution for applications requiring enhanced precision.

Dimensional Considerations:

Substitute parts from EPCOS - TDK Electronics exhibit slightly larger physical dimensions (0.512" L x 0.197" W versus 0.492" L x 0.217" W) and greater seated height (0.433" versus 0.394"). Lead spacing remains identical at 0.394" (10.00mm), ensuring PCB footprint compatibility. Physical space constraints must be evaluated before substitution.

Compliance and Regulatory Status:

All substitute parts maintain ROHS3 compliance and REACH unaffected status, matching the regulatory profile of the main part. No additional compliance verification is required for substitution.

Frequently Asked Questions (FAQ)

Q: Can B32521C6473K directly replace DME4S47K-F in existing designs?

A: Yes. B32521C6473K provides electrical equivalence with identical capacitance (0.047 µF), voltage ratings (400V DC / 200V AC), tolerance (±10%), and operating temperature range (-55°C to 125°C). Lead spacing matches at 0.394" (10.00mm), ensuring PCB compatibility. The part is marked "Not For New Designs," indicating it is suitable for replacement applications.

Q: What is the difference between B32521C6473K and B32521C6473K289?

A: Both parts are electrically and mechanically identical. The sole difference is packaging format: B32521C6473K is supplied in Bulk, while B32521C6473K289 is supplied in Cut Tape (CT) format. Selection depends on procurement and assembly requirements.

Q: Why is B32521C6473J classified as an upgrade?

A: B32521C6473J features tighter tolerance specification (±5% versus ±10%), providing improved capacitance accuracy. All other electrical and mechanical parameters remain equivalent. The part is actively produced and suitable for new designs, making it the recommended long-term alternative.

Q: Are there physical space constraints when substituting with EPCOS parts?

A: Yes. EPCOS - TDK Electronics substitute parts are slightly larger (0.512" L x 0.197" W versus 0.492" L x 0.217" W) with greater seated height (0.433" versus 0.394"). Lead spacing remains identical at 0.394" (10.00mm). PCB footprint compatibility is maintained, but physical clearance around the component must be verified.

Q: Do substitute parts maintain regulatory compliance?

A: Yes. All substitute parts are ROHS3 compliant and REACH unaffected, matching the regulatory status of the DME4S47K-F. No additional compliance documentation is required.

Q: Which substitute part should be selected for new product designs?

A: B32521C6473J is the recommended choice for new designs. It is actively produced, features tighter tolerance (±5%), and maintains full electrical and mechanical compatibility with the DME4S47K-F.