ECW-FD2W105KC Equivalent & Substitute Parts

Part Overview

The ECW-FD2W105KC is a 1 µF film capacitor rated for 450V DC operation, manufactured by Panasonic Electronic Components. This polypropylene metallized radial capacitor is designed for EMI/RFI suppression, high-frequency switching, and high pulse/DV/DT applications. The part is currently Active in product status with 1065 pieces available in stock. Substitute parts are identified when equivalent electrical and mechanical parameters are required for component procurement, inventory management, or design flexibility while maintaining identical functional performance.

Substiute Parts

ECW-FD2W105KC

Panasonic Electronic ComponentsIn Stock: 1106ECW-FD2W105KC Datasheet

Current PartRFQ

ECW-FD2W105KB

Panasonic Electronic ComponentsIn Stock: 2017ECW-FD2W105KB Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the ECW-FD2W105KC are identified based on strict equivalence across all critical electrical and mechanical parameters. The substitution logic is based on the following criteria:

Electrical Parameters (Must Match Exactly):

• Capacitance: 1 µF
• Tolerance: ±10%
• Voltage Rating - DC: 450V
• Dielectric Material: Polypropylene (PP), Metallized

Mechanical Parameters (Must Match Exactly):

• Mounting Type: Through Hole
• Package / Case: Radial
• Lead Spacing: 0.295" (7.50mm)
• Termination: PC Pins
• Physical Dimensions: 0.689" L x 0.307" W (17.50mm x 7.80mm)
• Height - Seated (Max): 0.630" (16.00mm)

Compliance & Status (Must Match):

• Series: ECW-F(D)
• Product Status: Active
• RoHS Status: ROHS3 Compliant
• Manufacturer: Panasonic Electronic Components

Parts meeting all these criteria are classified as parametric equivalents and direct substitutes.

Parameter Comparison

Engineering Selection Recommendations

The ECW-FD2W105KB is a direct parametric equivalent to the ECW-FD2W105KC. Both parts are manufactured by Panasonic Electronic Components within the ECW-F(D) series and maintain identical electrical specifications, mechanical dimensions, and compliance certifications.

Selection Basis:

Both parts are Active in product status and ROHS3 Compliant, meeting current regulatory requirements. The ECW-FD2W105KB offers higher inventory availability (1939 pieces in stock versus 1065 pieces for the ECW-FD2W105KC), making it suitable for applications requiring extended supply assurance or bulk procurement.

Component selection between these two parts is determined by inventory availability and procurement lead time requirements. No functional or performance differences exist between the two parts when applied to circuits designed for the ECW-FD2W105KC specification.

Frequently Asked Questions (FAQ)

Q: Can ECW-FD2W105KB be used as a direct replacement for ECW-FD2W105KC in existing designs?

A: Yes. The ECW-FD2W105KB is a parametric equivalent with identical capacitance (1 µF), voltage rating (450V DC), tolerance (±10%), dielectric material (polypropylene metallized), operating temperature range (-40°C ~ 110°C), and physical dimensions. Both parts feature radial through-hole mounting with 0.295" (7.50mm) lead spacing and PC pin termination. No circuit modifications or PCB layout changes are required.

Q: Are there any differences in compliance or regulatory status between these parts?

A: No. Both ECW-FD2W105KC and ECW-FD2W105KB are ROHS3 Compliant and REACH Unaffected. Both parts carry identical ECCN (EAR99) and HTSUS (8532.25.0070) classifications.

Q: What is the primary reason to substitute ECW-FD2W105KC with ECW-FD2W105KB?

A: Inventory availability and procurement flexibility. The ECW-FD2W105KB maintains 1939 pieces in stock compared to 1065 pieces for the ECW-FD2W105KC. Both parts are Active in product status and functionally identical.

Q: Do these capacitors have identical physical footprints?

A: Yes. Both parts share identical dimensions: 0.689" length x 0.307" width (17.50mm x 7.80mm), maximum seated height of 0.630" (16.00mm), and lead spacing of 0.295" (7.50mm). PCB layouts designed for one part accommodate the other without modification.

Q: Are these parts suitable for the same applications?

A: Yes. Both ECW-FD2W105KC and ECW-FD2W105KB are rated for EMI/RFI suppression, high-frequency switching, and high pulse/DV/DT applications. Operating temperature range (-40°C ~ 110°C) and voltage rating (450V DC) are identical across both parts.