ECQ-UBAF333VG Equivalent & Substitute Parts

Part Overview

The ECQ-UBAF333VG is a 0.033 µF film capacitor manufactured by Panasonic Electronic Components, designed for EMI and RFI suppression applications. This radial polypropylene metallized capacitor operates at 300V AC with a ±20% tolerance and is rated for temperatures between -40°C and 110°C. The part is currently in active production status with ROHS3 compliance and REACH unaffected designation. Substitute parts are identified when inventory constraints, lead time requirements, or procurement preferences necessitate alternative sourcing while maintaining identical electrical and mechanical specifications.

Substiute Parts

ECQ-UBAF333VG
Panasonic Electronic ComponentsIn Stock: 1016ECQ-UBAF333VG Datasheet
ECQ-UBAF333VG
Current Part
ECQ-UBAF333V2
Panasonic Electronic ComponentsIn Stock: 7051ECQ-UBAF333V2 Datasheet
ECQ-UBAF333V2
Parametric Equivalent

Key Parameters

Parameter Value
Capacitance 0.033 µF
Tolerance ±20%
Voltage Rating - AC 300V
Dielectric Material Polypropylene (PP), Metallized
Operating Temperature Range -40°C ~ 110°C
Mounting Type Through Hole
Package / Case Radial
Lead Spacing 0.492" (12.50mm)
Termination PC Pins
Applications EMI, RFI Suppression
Ratings X1

Substitute Part Grouping Explanation

Substitute parts for the ECQ-UBAF333VG are identified based on strict equivalence across all critical electrical and mechanical parameters. The substitution logic requires exact matching of the following parameters:

  • Capacitance value: 0.033 µF
  • Tolerance: ±20%
  • Voltage Rating - AC: 300V
  • Dielectric Material: Polypropylene (PP), Metallized
  • Operating Temperature Range: -40°C ~ 110°C
  • Mounting Type: Through Hole
  • Package / Case: Radial
  • Lead Spacing: 0.492" (12.50mm)
  • Termination: PC Pins
  • Applications: EMI, RFI Suppression
  • Ratings: X1

Parts meeting these criteria are classified as parametric equivalents and direct substitutes. The ECQ-UBAF333V2 satisfies all substitution requirements and is listed as an equivalent part.

Parameter Comparison

Parameter ECQ-UBAF333VG ECQ-UBAF333V2 Match
Manufacturer Panasonic Electronic Components Panasonic Electronic Components Yes
Series ECQUB ECQUB Yes
Capacitance 0.033 µF 0.033 µF Yes
Tolerance ±20% ±20% Yes
Voltage Rating - AC 300V 300V Yes
Dielectric Material Polypropylene (PP), Metallized Polypropylene (PP), Metallized Yes
Operating Temperature -40°C ~ 110°C -40°C ~ 110°C Yes
Mounting Type Through Hole Through Hole Yes
Package / Case Radial Radial Yes
Size / Dimension 0.728" L x 0.236" W (18.50mm x 6.00mm) 0.728" L x 0.236" W (18.50mm x 6.00mm) Yes
Height - Seated (Max) 0.630" (16.00mm) 0.630" (16.00mm) Yes
Lead Spacing 0.492" (12.50mm) 0.492" (12.50mm) Yes
Termination PC Pins PC Pins Yes
Applications EMI, RFI Suppression EMI, RFI Suppression Yes
Ratings X1 X1 Yes
Product Status Active Active Yes
RoHS Status ROHS3 Compliant ROHS3 Compliant Yes
REACH Status REACH Unaffected REACH Unaffected Yes

Engineering Selection Recommendations

Both the ECQ-UBAF333VG and ECQ-UBAF333V2 are active production parts from Panasonic Electronic Components within the ECQUB series. Both parts carry ROHS3 compliance certification and REACH unaffected status, meeting current regulatory requirements for electronic component manufacturing and distribution.

The ECQ-UBAF333V2 is a direct parametric equivalent suitable for applications requiring the ECQ-UBAF333VG. Selection between these parts should be based on availability, procurement lead times, and inventory requirements. The ECQ-UBAF333V2 currently maintains higher inventory levels (7006 pieces) compared to the ECQ-UBAF333VG (920 pieces), which may influence sourcing decisions for high-volume applications.

Both parts are identical in electrical performance, mechanical dimensions, and environmental ratings. PCB layout and circuit design modifications are not required when substituting between these parts.

Frequently Asked Questions (FAQ)

Q: Can the ECQ-UBAF333V2 be used as a direct replacement for the ECQ-UBAF333VG?

A: Yes. The ECQ-UBAF333V2 is a parametric equivalent with identical capacitance (0.033 µF), voltage rating (300V AC), tolerance (±20%), dielectric material (polypropylene metallized), operating temperature range (-40°C to 110°C), and physical dimensions. No circuit modifications are required.

Q: Are the physical dimensions identical between these parts?

A: Yes. Both parts share identical dimensions: 0.728" L x 0.236" W (18.50mm x 6.00mm), with a maximum seated height of 0.630" (16.00mm) and lead spacing of 0.492" (12.50mm). PCB footprints are interchangeable.

Q: Do both parts meet the same compliance standards?

A: Yes. Both the ECQ-UBAF333VG and ECQ-UBAF333V2 are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements for electronic component use in regulated markets.

Q: What is the difference between these two part numbers?

A: The ECQ-UBAF333VG and ECQ-UBAF333V2 are variants within the same ECQUB series sharing identical electrical and mechanical specifications. The difference in part number designation reflects manufacturing or distribution batch variations. Both parts are active production items from Panasonic Electronic Components.

Q: Are there any temperature or voltage derating considerations when substituting?

A: No. Both parts operate across the identical temperature range (-40°C to 110°C) and are rated for 300V AC. Operating conditions and derating curves remain unchanged when substituting between these parts.

Q: Can these parts be used in EMI and RFI suppression applications?

A: Yes. Both parts are specified for EMI and RFI suppression applications with X1 ratings, indicating suitability for line-to-ground filtering in AC mains circuits.

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