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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
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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