ECW-FD2W395JC Equivalent & Substitute Parts

Part Overview

The ECW-FD2W395JC is a 3.9 µF film capacitor manufactured by Panasonic Electronic Components, rated for 450V DC operation with polypropylene (PP) metallized dielectric construction. This radial through-hole component is designed for EMI/RFI suppression, high-frequency switching, and high pulse/DV/DT applications. The part maintains Active product status with full RoHS3 compliance and REACH unaffected designation. Substitute parts are identified when electrical specifications, mechanical dimensions, and compliance certifications remain equivalent across alternative part numbers within the same manufacturer series.

Substiute Parts

ECW-FD2W395JC

Panasonic Electronic ComponentsIn Stock: 711ECW-FD2W395JC Datasheet

Current PartRFQ

ECW-FD2W395J

Panasonic Electronic ComponentsIn Stock: 1806ECW-FD2W395J Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ECW-FD2W395JC is determined by strict equivalence across the following critical parameters:

Electrical Specifications:

• Capacitance value: 3.9 µF
• Tolerance: ±5%
• Voltage rating: 450V DC
• Dielectric type: Polypropylene (PP), Metallized

Mechanical Specifications:

• Mounting configuration: Through Hole Radial
• Lead spacing: 0.886" (22.50mm)
• Physical dimensions: 0.996" L x 0.421" W (25.30mm x 10.70mm)
• Maximum seated height: 0.606" (15.40mm)
• Termination style: PC Pins

Compliance & Regulatory:

• RoHS3 Compliant
• REACH Unaffected status
• Active product status

The ECW-FD2W395J qualifies as a parametric equivalent based on identical values across all electrical, mechanical, and compliance parameters listed above.

Parameter Comparison

Engineering Selection Recommendations

Both ECW-FD2W395JC and ECW-FD2W395J are Active products manufactured by Panasonic Electronic Components within the ECW-F(D) series. Selection between these parts is based on inventory availability and supply chain considerations rather than technical differentiation.

ECW-FD2W395JC carries 701 pieces in current stock inventory.

ECW-FD2W395J carries 1713 pieces in current stock inventory.

Both parts maintain identical electrical performance, mechanical compatibility, and regulatory compliance. The ECW-FD2W395J offers greater inventory availability within the same parametric specification set. Direct substitution is supported for applications requiring 3.9 µF capacitance at 450V DC with polypropylene metallized dielectric construction in through-hole radial configuration.

Frequently Asked Questions (FAQ)

Q: Can ECW-FD2W395J be used as a direct replacement for ECW-FD2W395JC?

A: Yes. Both parts are electrically and mechanically identical across all specified parameters, including capacitance, voltage rating, dielectric material, physical dimensions, lead spacing, and compliance certifications. Direct substitution is supported without circuit modification.

Q: Are there any differences in the radial lead spacing between these parts?

A: No. Both parts maintain identical lead spacing of 0.886" (22.50mm), ensuring compatible PCB footprint and through-hole mounting.

Q: Do both parts meet the same regulatory requirements?

A: Yes. Both ECW-FD2W395JC and ECW-FD2W395J are ROHS3 Compliant and REACH Unaffected, with identical compliance status.

Q: What is the operating temperature range for these capacitors?

A: Both parts operate across the temperature range of -40°C to 110°C, supporting equivalent thermal performance in circuit applications.

Q: Are the physical dimensions identical between the two part numbers?

A: Yes. Both parts share identical dimensions of 0.996" L x 0.421" W (25.30mm x 10.70mm) with maximum seated height of 0.606" (15.40mm), ensuring identical PCB layout compatibility.

Q: What applications are these film capacitors designed for?

A: Both parts are specified for EMI/RFI suppression, high-frequency switching, and high pulse/DV/DT applications requiring 450V DC rated polypropylene metallized film capacitor construction.