ECQ-V1333JM2 Equivalent & Substitute Parts

Part Overview

The ECQ-V1333JM2 is a 0.033 µF film capacitor rated for 100V DC, manufactured by Panasonic Electronic Components. This component features a polyester metallized-stacked dielectric construction in a radial through-hole package. The part is classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing design support and production continuity. Substitute parts must maintain identical or superior electrical ratings and mechanical compatibility with the original specification.

Substiute Parts

ECQ-V1333JM2

Panasonic Electronic ComponentsIn Stock: 747ECQ-V1333JM2 Datasheet

Current PartRFQ

B32529C1333J289

EPCOS - TDK ElectronicsIn Stock: 10776B32529C1333J289 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the ECQ-V1333JM2 is determined by the following critical parameters:

• Capacitance Value: Must be 0.033 µF (exact match required)
• Voltage Rating - DC: Must be ≥100V
• Tolerance: Must be ±5% or tighter
• Dielectric Material: Polyester-based metallized construction
• Mounting Type: Through Hole radial configuration
• Lead Spacing: 0.197" (5.00mm) pitch for PCB compatibility
• Termination: PC Pins for wave soldering compatibility

The B32529C1333J289 meets all substitution criteria. Physical dimensions may vary within acceptable assembly tolerances provided lead spacing and mounting type remain consistent.

Parameter Comparison

Engineering Selection Recommendations

The B32529C1333J289 is a direct functional equivalent to the ECQ-V1333JM2. Selection is based on the following factors:

• Electrical Equivalence: Identical capacitance, voltage rating, and tolerance specifications ensure drop-in compatibility in circuit operation.
• Product Status: The substitute is actively manufactured and stocked, eliminating obsolescence risk associated with the original part.
• Compliance: The B32529C1333J289 carries AEC-Q200 automotive qualification and ROHS3 compliance, providing enhanced reliability documentation compared to the obsolete original.
• Temperature Performance: The substitute's extended operating range (-55°C ~ 125°C) exceeds the original specification, providing margin for demanding thermal environments.
• Physical Compatibility: Identical lead spacing (5.00mm) and radial through-hole configuration ensure PCB layout compatibility without redesign.

Frequently Asked Questions (FAQ)

Q: Can the B32529C1333J289 be used as a direct replacement for ECQ-V1333JM2 on existing PCBs?

A: Yes. Both parts share identical lead spacing (5.00mm), radial through-hole mounting, and PC pin termination. No PCB layout modification is required.

Q: Are there electrical performance differences between these parts?

A: No. Both parts specify 0.033 µF capacitance at ±5% tolerance and 100V DC rating. Electrical performance in circuit operation is equivalent.

Q: Why does the substitute have a different physical size?

A: The B32529C1333J289 measures 7.30mm L × 2.50mm W × 6.50mm H (seated), compared to the original 7.50mm L × 3.20mm W × 8.00mm H. These dimensional differences do not affect electrical function or lead spacing. Verify clearance in confined board areas before assembly.

Q: What compliance certifications does the substitute carry?

A: The B32529C1333J289 is AEC-Q200 qualified, ROHS3 compliant, and REACH unaffected. The original ECQ-V1333JM2 carries REACH unaffected status only.

Q: Is the substitute suitable for automotive applications?

A: Yes. The B32529C1333J289 is specified for automotive applications with AEC-Q200 qualification. The original part carries no automotive designation.

Q: What is the lead spacing tolerance for both parts?

A: Both parts specify 0.197" (5.00mm) lead spacing. This dimension is critical for PCB hole pattern compatibility.