ECQ-V1334JM Equivalent & Substitute Parts

Part Overview

The ECQ-V1334JM is a 0.33 µF film capacitor rated for 100V DC, manufactured by Panasonic Electronic Components as part of the ECQ-V series. This component features a polyester metallized-stacked radial configuration with ±5% tolerance and is designed for general-purpose applications across an operating temperature range of -40°C to 105°C. The product is currently obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and component procurement.

Substiute Parts

ECQ-V1334JM

Panasonic Electronic ComponentsIn Stock: 1016ECQ-V1334JM Datasheet

Current PartRFQ

B32520C1334J000

EPCOS - TDK ElectronicsIn Stock: 57914B32520C1334J000 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ECQ-V1334JM is determined by strict equivalence across the following critical parameters:

• Capacitance Value: 0.33 µF (exact match required)
• DC Voltage Rating: Minimum 100V (equal or higher acceptable)
• Tolerance: ±5% (matching tolerance class)
• Dielectric Type: Polyester-based metallized film (functional equivalence)
• Mounting Configuration: Through-hole radial with 0.295" (7.50mm) lead spacing
• Termination Style: PC pins for PCB insertion

The substitute part B32520C1334J000 meets all substitution criteria. While dimensional variations exist in physical size and height, the electrical specifications, lead spacing, and mounting interface remain compatible with the original design intent.

Parameter Comparison

Engineering Selection Recommendations

The B32520C1334J000 (EPCOS - TDK Electronics) is electrically and mechanically compatible with the ECQ-V1334JM for direct substitution. Both components share identical capacitance, tolerance, DC voltage rating, lead spacing, and termination configuration. The substitute part is currently in active production status with high inventory availability (57,810 pcs), ensuring long-term procurement reliability.

The B32520C1334J000 offers an extended operating temperature range (-55°C to 125°C versus -40°C to 105°C) and carries AEC-Q200 automotive qualification and ROHS3 compliance, providing enhanced environmental performance and regulatory alignment. Physical dimensions are slightly reduced, which may provide layout advantages in space-constrained applications while maintaining full PCB compatibility through identical lead spacing.

Frequently Asked Questions (FAQ)

Q: Can the B32520C1334J000 be used as a direct replacement for the ECQ-V1334JM?

A: Yes. Both components share identical capacitance (0.33 µF), tolerance (±5%), DC voltage rating (100V), lead spacing (7.50mm), and radial through-hole mounting configuration. Electrical performance and PCB compatibility are equivalent.

Q: Are there physical size differences between these parts?

A: Yes. The B32520C1334J000 has slightly smaller dimensions (10.00mm x 4.00mm versus 10.20mm x 4.80mm) and lower seated height (8.50mm versus 11.00mm). These differences do not affect electrical function or lead spacing compatibility. Verify PCB layout clearances if space constraints exist.

Q: What is the significance of the extended temperature range in the substitute part?

A: The B32520C1334J000 operates from -55°C to 125°C compared to the original -40°C to 105°C range. This provides additional thermal margin for applications exposed to extreme environmental conditions. If your application operates within the original temperature range, both parts perform identically.

Q: Does the substitute part meet automotive standards?

A: The B32520C1334J000 carries AEC-Q200 qualification, indicating suitability for automotive applications. The original ECQ-V1334JM does not specify automotive certification. If automotive compliance is required, the substitute part provides this advantage.

Q: What is the difference between the AC voltage ratings?

A: The ECQ-V1334JM does not specify an AC voltage rating. The B32520C1334J000 is rated for 63V AC. For DC-only applications, this difference is not relevant. If AC voltage is present in the circuit, confirm that 63V AC rating is sufficient for your design.

Q: Are both parts RoHS compliant?

A: The B32520C1334J000 is explicitly ROHS3 compliant. The ECQ-V1334JM does not specify RoHS status. If RoHS compliance is a procurement requirement, the substitute part satisfies this criterion.