ECQ-UBAF474KA Film Capacitor Equivalent & Substitute Parts

Part Overview

The ECQ-UBAF474KA is a 0.47 µF film capacitor manufactured by Panasonic Electronic Components, rated for 300V AC operation with polypropylene (PP) metallized dielectric construction. This radial through-hole component is designed for EMI and RFI suppression applications and carries an X1 rating classification. The part is currently in active production status with 650 units available in stock. Substitute parts are identified when identical electrical and mechanical parameters are maintained across alternative part numbers, enabling seamless integration into existing designs or procurement workflows.

Substiute Parts

ECQ-UBAF474KA

Panasonic Electronic ComponentsIn Stock: 682ECQ-UBAF474KA Datasheet

Current PartRFQ

ECQ-UBAF474K

Panasonic Electronic ComponentsIn Stock: 1836ECQ-UBAF474K Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the ECQ-UBAF474KA are identified based on strict parametric equivalence. The following criteria determine substitution eligibility:

Electrical Parameters:

• Capacitance value: 0.47 µF
• Tolerance: ±10%
• Voltage Rating - AC: 300V
• Dielectric Material: Polypropylene (PP), Metallized

Mechanical Parameters:

• Mounting Type: Through Hole
• Package / Case: Radial
• Lead Spacing: 0.886" (22.50mm)
• Height - Seated (Max): 0.846" (21.50mm)
• Termination: PC Pins

Compliance & Status:

• Product Status: Active
• RoHS Status: ROHS3 Compliant
• Operating Temperature Range: -40°C ~ 110°C

All substitute parts must match these parameters without deviation to ensure direct compatibility in circuit applications.

Parameter Comparison

Engineering Selection Recommendations

Both ECQ-UBAF474KA and ECQ-UBAF474K are active production parts from Panasonic Electronic Components within the ECQUB series. Selection between these parts is based on inventory availability and procurement lead time requirements.

ECQ-UBAF474KA is suitable for applications where 650 units of immediate stock availability is required.

ECQ-UBAF474K is suitable for applications where higher inventory levels (1791 units) support larger production runs or extended supply chain requirements.

Both parts maintain identical electrical performance, mechanical compatibility, and regulatory compliance (ROHS3 Compliant, REACH Unaffected, EAR99 classification). Circuit performance and PCB layout considerations remain unchanged between these alternatives.

Frequently Asked Questions (FAQ)

Q: Are ECQ-UBAF474KA and ECQ-UBAF474K electrically identical?

A: Yes. Both parts share identical capacitance (0.47 µF), tolerance (±10%), voltage rating (300V AC), dielectric material (polypropylene metallized), and operating temperature range (-40°C ~ 110°C). Electrical performance in EMI and RFI suppression applications is equivalent.

Q: Can these parts be used interchangeably on the same PCB?

A: Yes. Both parts have identical mechanical specifications: radial through-hole package, 0.886" (22.50mm) lead spacing, 0.846" (21.50mm) maximum seated height, and PC pin termination. PCB footprints and mounting procedures are identical.

Q: What is the difference between ECQ-UBAF474KA and ECQ-UBAF474K?

A: The parts differ only in packaging designation (KA versus K suffix) and current inventory levels. All electrical, mechanical, and compliance parameters are identical. Both are active production parts from Panasonic.

Q: Are both parts RoHS compliant?

A: Yes. Both ECQ-UBAF474KA and ECQ-UBAF474K are ROHS3 Compliant and REACH Unaffected, meeting current environmental and regulatory requirements.

Q: What applications are these capacitors designed for?

A: Both parts are rated for EMI and RFI suppression applications with X1 rating classification, suitable for power line filtering and electromagnetic interference mitigation in electronic circuits.

Q: What is the operating temperature range?

A: Both parts operate across -40°C to 110°C, supporting industrial and commercial temperature environments.