BFC237065103 Equivalent & Substitute Parts

Part Overview

The BFC237065103 is a 10000 pF film capacitor manufactured by Vishay Beyschlag/Draloric/BC Components in the MKT370 series. This radial through-hole component operates at 400V DC with polyester metallized dielectric and is rated for automotive applications under AEC-Q200 standards. The part is currently active in production with 1519 units in stock. Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained within the specified parameter tolerances for the application.

Key Parameters

Parameter	Value	Specification
Capacitance	10000 pF	±10% tolerance
Voltage Rating (DC)	400V	Minimum operating voltage
Dielectric Material	Polyester, Metallized	Electrical and thermal characteristics
Mounting Type	Through Hole, Radial	PCB assembly compatibility
Lead Spacing	0.200" (5.08mm)	PCB footprint requirement
Operating Temperature	-55°C to 105°C	Environmental operating range
RoHS Status	ROHS3 Compliant	Environmental compliance

Substitute Part Grouping Explanation

Substitute parts for the BFC237065103 are qualified based on the following criteria:

Electrical Equivalence: Capacitance value must be 10000 pF ±10%. Voltage rating must meet or exceed 400V DC to ensure safe operation in the original application circuit.

Dielectric Material: While the primary part uses polyester metallized film, substitute parts using polypropylene (PP) metallized film are acceptable when voltage rating and temperature stability requirements are maintained.

Mechanical Compatibility: Mounting type must be through-hole radial configuration. Lead spacing must accommodate standard 0.200" (5.08mm) PCB hole patterns or be compatible with the circuit board layout.

Environmental and Compliance Requirements: Operating temperature range must support the -55°C to 105°C specification or broader. RoHS3 compliance is mandatory. Product status must be active.

Automotive Rating: AEC-Q200 or equivalent automotive qualification is preferred for applications requiring automotive-grade reliability.

Parameter Comparison

Parameter	BFC237065103 (Main)	B32911A3103K000 (Substitute)	Compatibility
Capacitance	10000 pF ±10%	10000 pF ±10%	Equivalent
Voltage Rating (DC)	400V	760V	Substitute exceeds requirement
Voltage Rating (AC)	220V	330V	Substitute exceeds requirement
Dielectric Material	Polyester, Metallized	Polypropylene (PP), Metallized	Different material, equivalent performance
Operating Temperature	-55°C to 105°C	-40°C to 110°C	Substitute covers primary range
Mounting Type	Through Hole, Radial	Through Hole, Radial	Equivalent
Lead Spacing	0.200" (5.08mm)	0.394" (10.00mm)	Different spacing - layout verification required
Package / Case	Radial	Radial	Equivalent
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Equivalent
Product Status	Active	Active	Both in production

Engineering Selection Recommendations

The B32911A3103K000 qualifies as an electrical substitute for the BFC237065103 based on matching capacitance value, exceeding voltage rating requirements, and maintaining RoHS3 compliance with active product status.

Electrical Performance: The substitute part's 760V DC rating provides margin above the 400V requirement. Polypropylene dielectric offers stable performance across the operating temperature range, with the substitute supporting -40°C to 110°C compared to the original -55°C to 105°C specification.

Physical Considerations: The substitute part has a larger lead spacing of 0.394" (10.00mm) versus the original 0.200" (5.08mm). This difference requires PCB layout verification to confirm hole pattern compatibility before implementation.

Compliance Status: Both parts maintain ROHS3 compliance and active production status, ensuring long-term availability and regulatory alignment.

Frequently Asked Questions (FAQ)

Q: Can the B32911A3103K000 be used as a direct replacement for the BFC237065103?

A: Electrical substitution is valid based on capacitance, voltage rating, and compliance matching. However, the different lead spacing (10.00mm vs. 5.08mm) requires PCB layout verification. Physical board modifications may be necessary if the hole pattern does not accommodate the larger spacing.

Q: What is the significance of the different dielectric materials (polyester vs. polypropylene)?

A: Both polyester and polypropylene metallized films provide stable capacitance across the operating temperature range. Polypropylene typically offers lower dissipation factor and better frequency response characteristics. The substitute part's higher voltage rating and broader temperature range support equivalent or improved performance in the application.

Q: Are there any automotive qualification differences between these parts?

A: The BFC237065103 carries AEC-Q200 automotive qualification. The B32911A3103K000 is specified for EMI/RFI suppression applications with X1 rating. Automotive application suitability should be confirmed against specific circuit requirements and qualification standards for the end application.

Q: What inventory considerations apply to these parts?

A: The BFC237065103 has 1519 units in stock. The B32911A3103K000 has 4967 units available. Substitute selection may be influenced by delivery requirements and inventory availability.

Q: How do the physical dimensions affect PCB design?

A: The BFC237065103 measures 0.283" L x 0.138" W with 0.200" lead spacing. The B32911A3103K000 measures 0.512" L x 0.157" W with 0.394" lead spacing. The substitute is larger and requires greater board real estate. PCB layout must accommodate both the increased component size and the wider lead spacing.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message