BFC237051332 Equivalent & Substitute Parts

Part Overview

The BFC237051332 is a 3300 pF film capacitor manufactured by Vishay Beyschlag/Draloric/BC Components, rated for 400V DC operation with ±10% tolerance. This radial through-hole component utilizes polyester metallized dielectric technology and is designed for automotive applications with AEC-Q200 qualification. The part is currently active in production with ROHS3 compliance. Substitute parts are necessary to address inventory availability, tolerance requirements, voltage margin specifications, or design optimization needs while maintaining electrical and mechanical compatibility.

Substiute Parts

BFC237051332

Vishay Beyschlag/Draloric/BC ComponentsIn Stock: 2224BFC237051332 Datasheet

Current PartRFQ

BFC237052332

Vishay Beyschlag/Draloric/BC ComponentsIn Stock: 25082BFC237052332 Datasheet

DirectRFQ

B32529C6332J000

EPCOS - TDK ElectronicsIn Stock: 8747B32529C6332J000 Datasheet

DirectRFQ

B32529C8332J000

EPCOS - TDK ElectronicsIn Stock: 11696B32529C8332J000 Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the BFC237051332 is determined by the following criteria:

Primary Compatibility Requirements:

• Capacitance value: 3300 pF (exact match required)
• Mounting type: Through hole radial configuration
• Dielectric: Polyester metallized technology
• Voltage rating: Minimum 400V DC to maintain design margin
• Lead spacing: 5.00mm to 5.08mm (PCB layout tolerance)
• Termination: PC pins for through-hole assembly

Tolerance Consideration: The main part specifies ±10% tolerance. Substitute parts with ±5% tolerance provide tighter capacitance control and are electrically compatible, as they represent a subset of the ±10% specification range.

Voltage Upgrade Path: Parts rated above 400V DC (such as 630V rated components) are acceptable substitutes, as they provide additional voltage margin while maintaining all other electrical parameters.

Temperature Range: Operating temperature ranges of -55°C ~ 125°C are compatible with the -55°C ~ 105°C specification, as they encompass the required range.

Parameter Comparison

Engineering Selection Recommendations

BFC237052332 (Direct Substitute - Same Manufacturer) This part is electrically and mechanically identical to the BFC237051332 with the exception of tolerance specification (±5% versus ±10%). Both components share the same series designation (MKT370), voltage rating (400V DC), operating temperature range (-55°C ~ 105°C), and physical dimensions. Selection of this part is appropriate when tighter capacitance tolerance is required. Both parts maintain AEC-Q200 automotive qualification and ROHS3 compliance.

B32529C6332J000 (Cross-Manufacturer Substitute) This EPCOS - TDK Electronics component provides equivalent electrical performance with ±5% tolerance and 400V DC rating. The operating temperature range extends to 125°C, exceeding the original specification. Lead spacing tolerance (5.00mm versus 5.08mm) falls within acceptable PCB layout margins. AEC-Q200 qualification and ROHS3 compliance are maintained. This part is suitable for applications requiring cross-manufacturer sourcing or extended temperature performance.

B32529C8332J000 (Voltage-Upgraded Substitute) This EPCOS - TDK Electronics component provides a voltage upgrade path with 630V DC rating and 400V AC rating, offering increased voltage margin over the original 400V specification. The ±5% tolerance, extended temperature range (-55°C ~ 125°C), and AEC-Q200 qualification are maintained. Physical dimensions increase slightly (0.138" width versus 0.098" width, 0.315" height versus 0.256" height). This part is appropriate for designs requiring enhanced voltage headroom or when space constraints are not limiting factors.

Frequently Asked Questions (FAQ)

Q: Can BFC237052332 be used as a direct replacement for BFC237051332? A: Yes. Both parts are manufactured by Vishay Beyschlag/Draloric/BC Components within the same MKT370 series. They share identical capacitance (3300 pF), voltage rating (400V DC), operating temperature range (-55°C ~ 105°C), and physical dimensions. The tolerance difference (±5% versus ±10%) represents improved capacitance accuracy and does not affect compatibility.

Q: What are the physical dimension differences between substitute parts? A: BFC237051332 and BFC237052332 are identical at 0.283" L x 0.098" W (7.20mm x 2.50mm) with 0.256" maximum seated height. B32529C6332J000 measures 0.287" L x 0.098" W (7.30mm x 2.50mm) with identical height. B32529C8332J000 is larger at 0.287" L x 0.138" W (7.30mm x 4.60mm) with 0.315" maximum seated height. Lead spacing varies between 5.00mm and 5.08mm across all parts.

Q: Are all substitute parts AEC-Q200 qualified? A: Yes. BFC237051332, BFC237052332, B32529C6332J000, and B32529C8332J000 all carry AEC-Q200 automotive qualification and ROHS3 compliance status.

Q: What is the lead spacing tolerance consideration? A: The original part specifies 0.200" (5.08mm) lead spacing. Substitute parts specify 0.197" (5.00mm). This 0.08mm difference is within standard PCB layout tolerance for through-hole radial components and does not require PCB redesign.

Q: When should B32529C8332J000 be selected over other substitutes? A: B32529C8332J000 should be selected when circuit design requires voltage margin beyond 400V DC, or when the extended operating temperature range to 125°C is beneficial. The larger physical dimensions (0.138" width, 0.315" height) must be verified against PCB layout constraints before selection.

Q: Are there any temperature performance differences? A: BFC237051332 and BFC237052332 operate from -55°C to 105°C. B32529C6332J000 and B32529C8332J000 extend the upper limit to 125°C. All parts maintain the same lower temperature limit of -55°C.