ECW-FE2W334PD Equivalent & Substitute Parts

Part Overview

The ECW-FE2W334PD is a 0.33 µF film capacitor manufactured by Panasonic Electronic Components, designed for applications requiring EMI/RFI suppression, high-frequency switching, and high pulse DV/DT performance. This radial through-hole component operates across a temperature range of -40°C to 105°C and is rated for 450V DC operation. The part is currently in active production status with ROHS3 compliance and REACH unaffected certification. Substitute parts are identified when equivalent electrical and mechanical parameters are maintained within the specified tolerances and ratings.

Substiute Parts

ECW-FE2W334PD

Panasonic Electronic ComponentsIn Stock: 1974ECW-FE2W334PD Datasheet

Current PartRFQ

ECW-FE2W334P5

Panasonic Electronic ComponentsIn Stock: 2070ECW-FE2W334P5 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ECW-FE2W334PD is determined by strict equivalence across the following critical parameters:

• Capacitance value: 0.33 µF
• Tolerance: ±5%
• Voltage ratings: 450V DC / 84V AC
• Dielectric type: Polypropylene (PP), Metallized
• Operating temperature range: -40°C ~ 105°C
• Mounting configuration: Through Hole Radial
• Lead spacing: 0.591" (15.00mm)
• Termination style: PC Pins

The ECW-FE2W334P5 meets all these criteria and is classified as a parametric equivalent. Both parts belong to the ECWFE series and maintain identical electrical performance characteristics and physical dimensions.

Parameter Comparison

Engineering Selection Recommendations

Both the ECW-FE2W334PD and ECW-FE2W334P5 are active production components manufactured by Panasonic Electronic Components within the ECWFE series. Selection between these parts is based on availability and inventory status. Both parts maintain ROHS3 compliance and REACH unaffected certification, meeting regulatory requirements for industrial and commercial applications. The ECW-FE2W334P5 currently maintains higher inventory levels (1984 pcs) compared to the ECW-FE2W334PD (1944 pcs), making it suitable for high-volume procurement scenarios where supply continuity is a consideration.

Frequently Asked Questions (FAQ)

Q: Can ECW-FE2W334P5 be used as a direct replacement for ECW-FE2W334PD?

A: Yes. Both parts are parametric equivalents with identical capacitance (0.33 µF), voltage ratings (450V DC / 84V AC), dielectric material (Polypropylene metallized), operating temperature range (-40°C ~ 105°C), and physical dimensions. They are interchangeable in circuit applications.

Q: Are there any differences in the physical footprint between these parts?

A: No. Both parts share identical dimensions: 0.689" L x 0.197" W (17.50mm x 5.00mm), maximum seated height of 0.433" (11.00mm), and lead spacing of 0.591" (15.00mm). PCB layout and mounting requirements are identical.

Q: Do both parts meet the same compliance standards?

A: Yes. Both ECW-FE2W334PD and ECW-FE2W334P5 are ROHS3 compliant and REACH unaffected, meeting equivalent regulatory requirements.

Q: What applications are these capacitors suitable for?

A: Both parts are rated for EMI/RFI suppression, high-frequency switching, and high pulse DV/DT applications, with operating specifications supporting these use cases across the -40°C to 105°C temperature range.

Q: Is there a difference in tolerance between the two parts?

A: No. Both parts maintain ±5% capacitance tolerance, ensuring equivalent performance in tolerance-sensitive circuit designs.