ECQ-B2103JF Film Capacitor Equivalent & Substitute Parts

Part Overview

The ECQ-B2103JF is a 10000 pF film capacitor manufactured by Panasonic Electronic Components, rated for 200V DC operation with ±5% tolerance and polyester dielectric material. This component is classified as obsolete, making equivalent substitute parts necessary for new designs and ongoing production requirements. The radial through-hole configuration with PC pin termination serves general-purpose applications across various electronic assemblies.

Substiute Parts

ECQ-B2103JF

Panasonic Electronic ComponentsIn Stock: 1021ECQ-B2103JF Datasheet

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ECQ-E2103JF

Panasonic Electronic ComponentsIn Stock: 3105ECQ-E2103JF Datasheet

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168103J250A-F

Cornell Dubilier Electronics (CDE)In Stock: 961168103J250A-F Datasheet

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B32529C3103J000

EPCOS - TDK ElectronicsIn Stock: 40779B32529C3103J000 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution for the ECQ-B2103JF is determined by strict equivalence in the following parameters:

• Capacitance Value: 10000 pF (exact match required)
• Tolerance: ±5% (exact match required)
• Voltage Rating - DC: Minimum 200V (equal or higher acceptable)
• Dielectric Material: Polyester-based (polyester, metallized polyester, or polyethylene terephthalate acceptable)
• Mounting Type: Through Hole (exact match required)
• Package / Case: Radial (exact match required)
• Termination: PC Pins (exact match required)
• Lead Spacing: 0.295" (7.50mm) or compatible spacing for PCB layout

All three substitute parts meet these core substitution criteria. Variations in physical dimensions, operating temperature ranges, and compliance certifications do not prevent functional substitution when the above parameters align.

Parameter Comparison

Engineering Selection Recommendations

ECQ-E2103JF (Panasonic): This substitute maintains identical lead spacing (0.295" / 7.50mm) and operating temperature range (-40°C ~ 105°C) as the main part. The higher voltage rating (250V DC) and metallized polyester dielectric provide enhanced performance margins. Product status is active with ROHS3 compliance. This option is preferred for direct PCB layout compatibility without modification.

168103J250A-F (Cornell Dubilier Electronics): This substitute features a reduced lead spacing (0.197" / 5.00mm) and extended operating temperature range (-55°C ~ 125°C). ROHS3 compliance and active product status are confirmed. PCB layout modification is required due to lead spacing difference. This option is suitable for space-constrained applications with wider temperature requirements.

B32529C3103J000 (EPCOS - TDK Electronics): This substitute offers the smallest physical footprint with reduced lead spacing (0.197" / 5.00mm) and extended operating temperature range (-55°C ~ 125°C). AEC-Q200 automotive rating and ROHS3 compliance are provided. Highest inventory availability (40730 pcs) supports production continuity. PCB layout modification is required due to lead spacing difference. This option is optimal for automotive applications and high-volume production.

Frequently Asked Questions (FAQ)

Q: Can ECQ-E2103JF replace ECQ-B2103JF without PCB modification?

A: Yes. The ECQ-E2103JF maintains the same lead spacing (0.295" / 7.50mm) and radial package configuration. No PCB layout changes are required. The higher voltage rating (250V vs. 200V) and metallized dielectric provide functional equivalence with improved performance margins.

Q: What is the impact of different lead spacing on substitution?

A: Lead spacing determines PCB hole positioning. The 168103J250A-F and B32529C3103J000 feature 0.197" (5.00mm) lead spacing compared to the original 0.295" (7.50mm). These parts require PCB redesign or use of adapter solutions. Direct board-level substitution is not possible without layout modification.

Q: Are all substitute parts RoHS compliant?

A: Yes. ECQ-E2103JF, 168103J250A-F, and B32529C3103J000 are all ROHS3 compliant. The original ECQ-B2103JF compliance status is not specified in the provided data.

Q: Which substitute offers the best availability?

A: B32529C3103J000 (EPCOS - TDK Electronics) has the highest inventory level at 40730 pcs. ECQ-E2103JF has 3060 pcs available, and 168103J250A-F has 873 pcs available.

Q: Can substitutes be used in automotive applications?

A: B32529C3103J000 carries AEC-Q200 automotive rating and is explicitly suitable for automotive applications. ECQ-E2103JF and 168103J250A-F do not specify automotive qualification in the provided data.

Q: What is the operating temperature difference between substitutes?

A: ECQ-B2103JF and ECQ-E2103JF operate within -40°C ~ 105°C. The 168103J250A-F and B32529C3103J000 extend this range to -55°C ~ 125°C, providing wider temperature margin for demanding environments.