ECQ-UBAF154MA Equivalent & Substitute Parts

Part Overview

The ECQ-UBAF154MA is a 0.15 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 with an operating temperature range of -40°C to 110°C.

The ECQ-UBAF154MA carries a "Not For New Designs" product status, indicating that Panasonic has discontinued active development for this part number. This status necessitates identification of equivalent substitute components that maintain identical electrical and mechanical specifications for ongoing production support and field replacement requirements.

Substiute Parts

ECQ-UBAF154MA
Panasonic Electronic ComponentsIn Stock: 857ECQ-UBAF154MA Datasheet
ECQ-UBAF154MA
Current Part
ECQ-UBAF154M
Panasonic Electronic ComponentsIn Stock: 1820ECQ-UBAF154M Datasheet
ECQ-UBAF154M
Parametric Equivalent

Key Parameters

Parameter Value
Capacitance 0.15 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 0.591" (15.00mm)
Termination PC Pins
Applications EMI, RFI Suppression
Ratings X1

Substitute Part Grouping Explanation

Substitution of the ECQ-UBAF154MA is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part ECQ-UBAF154M qualifies as a direct equivalent based on the following criteria:

Electrical Parameters (Must Match Exactly):

  • Capacitance: 0.15 µF
  • Tolerance: ±20%
  • Voltage Rating - AC: 300V
  • Dielectric Material: Polypropylene (PP), Metallized
  • Operating Temperature Range: -40°C ~ 110°C
  • Ratings Classification: X1

Mechanical Parameters (Must Match Exactly):

  • Mounting Type: Through Hole
  • Package / Case: Radial
  • Lead Spacing: 0.591" (15.00mm)
  • Termination: PC Pins
  • Physical Dimensions: 0.728" L x 0.354" W (18.50mm x 9.00mm)
  • Height - Seated (Max): 0.728" (18.50mm)

Compliance & Regulatory (Must Match Exactly):

  • RoHS Status: ROHS3 Compliant
  • REACH Status: REACH Unaffected
  • ECCN: EAR99

Parameter Comparison

Parameter ECQ-UBAF154MA ECQ-UBAF154M Match Status
Manufacturer Panasonic Electronic Components Panasonic Electronic Components Identical
Series ECQUB ECQUB Identical
Capacitance 0.15 µF 0.15 µF Identical
Tolerance ±20% ±20% Identical
Voltage Rating - AC 300V 300V Identical
Dielectric Material Polypropylene (PP), Metallized Polypropylene (PP), Metallized Identical
Operating Temperature -40°C ~ 110°C -40°C ~ 110°C Identical
Mounting Type Through Hole Through Hole Identical
Package / Case Radial Radial Identical
Lead Spacing 0.591" (15.00mm) 0.591" (15.00mm) Identical
Termination PC Pins PC Pins Identical
Size / Dimension 0.728" L x 0.354" W (18.50mm x 9.00mm) 0.728" L x 0.354" W (18.50mm x 9.00mm) Identical
Height - Seated (Max) 0.728" (18.50mm) 0.728" (18.50mm) Identical
Applications EMI, RFI Suppression EMI, RFI Suppression Identical
Ratings X1 X1 Identical
RoHS Status ROHS3 Compliant ROHS3 Compliant Identical
REACH Status REACH Unaffected REACH Unaffected Identical
ECCN EAR99 EAR99 Identical

Engineering Selection Recommendations

The ECQ-UBAF154M is a direct parametric equivalent to the ECQ-UBAF154MA. Both components are manufactured by Panasonic Electronic Components within the ECQUB series and share identical electrical specifications, mechanical dimensions, and regulatory compliance certifications.

Selection between these parts is based on availability and product status considerations. The ECQ-UBAF154MA carries "Not For New Designs" status, while the ECQ-UBAF154M maintains the same status classification. Both parts are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements for electronic component deployment.

For applications requiring 0.15 µF capacitance at 300V AC with polypropylene metallized dielectric construction in radial through-hole configuration, either part number satisfies the electrical and mechanical requirements without modification to circuit design or PCB layout.

Frequently Asked Questions (FAQ)

Q: Can ECQ-UBAF154M be used as a direct replacement for ECQ-UBAF154MA?

A: Yes. The ECQ-UBAF154M is a parametric equivalent with identical capacitance, voltage rating, dielectric material, operating temperature range, physical dimensions, lead spacing, and termination type. No circuit modifications or PCB layout changes are required.

Q: Are there differences in the radial package configuration between these parts?

A: No. Both parts feature identical radial through-hole packaging with 0.591" (15.00mm) lead spacing, 0.728" L x 0.354" W (18.50mm x 9.00mm) dimensions, and PC pin termination.

Q: Do both parts meet the same compliance standards?

A: Yes. Both ECQ-UBAF154MA and ECQ-UBAF154M are ROHS3 compliant, REACH unaffected, and classified under ECCN EAR99.

Q: What is the significance of the "Not For New Designs" status?

A: This status indicates that Panasonic has discontinued active development for these part numbers. For new product designs, consultation with Panasonic regarding current production alternatives is recommended. For existing designs and field replacement applications, these parts remain functionally equivalent and available.

Q: Are the operating temperature ranges identical?

A: Yes. Both parts operate across the identical temperature range of -40°C to 110°C.

Q: What applications are these capacitors designed for?

A: Both parts are specified for EMI and RFI suppression applications with X1 ratings classification.

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