ECQ-E6473KZ Film Capacitor Equivalent & Substitute Parts

Part Overview

The ECQ-E6473KZ is a 0.047 µF film capacitor rated for 630V DC operation, manufactured by Panasonic Electronic Components. This surface mount component features polyester metallized dielectric construction and is designed for general purpose applications across industrial and consumer electronics. The part is currently listed as obsolete, making identification of functionally equivalent alternatives essential for ongoing design support and production continuity.

Substiute Parts

ECQ-E6473KZ

Panasonic Electronic ComponentsIn Stock: 1048ECQ-E6473KZ Datasheet

Current PartRFQ

ECQ-E6473KF

Panasonic Electronic ComponentsIn Stock: 8893ECQ-E6473KF Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ECQ-E6473KZ is determined by the following critical parameters:

• Capacitance Value: Must be 0.047 µF (no tolerance deviation acceptable for direct substitution)
• Voltage Rating - DC: Must be 630V or higher
• Dielectric Material: Must be polyester metallized construction
• Tolerance: Must be ±10% or tighter
• Base Product Number: ECQ-E6473 series maintains electrical equivalence across variants

The ECQ-E6473KF qualifies as a functional equivalent based on matching capacitance, voltage rating, dielectric material, and tolerance specifications. However, this substitute differs in mounting technology (through-hole radial versus surface mount) and operating temperature range, requiring circuit board redesign considerations.

Parameter Comparison

Engineering Selection Recommendations

The ECQ-E6473KF is electrically equivalent to the ECQ-E6473KZ for applications requiring 0.047 µF capacitance at 630V DC with polyester metallized dielectric. The substitute part carries active product status and ROHS3 compliance certification, providing supply chain stability and regulatory alignment for new designs.

Selection of the ECQ-E6473KF requires circuit board layout modification due to mounting technology transition from surface mount to through-hole radial configuration. The extended operating temperature range (-40°C ~ 105°C versus -40°C ~ 85°C) of the substitute provides additional thermal margin for applications operating near the upper temperature limit of the original part.

Frequently Asked Questions (FAQ)

Q: Can the ECQ-E6473KF directly replace the ECQ-E6473KZ on existing PCBs?

A: No. The ECQ-E6473KF uses through-hole radial termination while the ECQ-E6473KZ is surface mount. PCB footprint redesign is required. Both parts share identical electrical specifications (0.047 µF, 630V DC, ±10% tolerance, polyester metallized dielectric).

Q: What is the significance of the different operating temperature ranges?

A: The ECQ-E6473KZ operates from -40°C to 85°C, while the ECQ-E6473KF extends to 105°C. For applications within the -40°C to 85°C window, both parts are functionally equivalent. Applications requiring operation above 85°C must use the ECQ-E6473KF.

Q: Why does the ECQ-E6473KF specify 250V AC rating when the ECQ-E6473KZ does not?

A: The ECQ-E6473KZ does not specify an AC voltage rating in the provided data. Both parts are rated for 630V DC operation. The 250V AC specification on the ECQ-E6473KF applies only to AC applications; DC applications use the 630V DC rating for both parts.

Q: Are there compliance differences between these parts?

A: The ECQ-E6473KF is certified ROHS3 compliant and REACH unaffected. The ECQ-E6473KZ compliance status is not specified in the provided data. Both parts carry EAR99 ECCN classification.

Q: What is the inventory status for these parts?

A: The ECQ-E6473KZ (obsolete) has 1020 pieces in stock. The ECQ-E6473KF (active product) has 8879 pieces available, indicating superior long-term supply availability.