BFC238340333 Equivalent & Substitute Parts

Part Overview

The BFC238340333 is a 0.033 µF film capacitor manufactured by Vishay Beyschlag/Draloric/BC Components, designed for high-pulse and DV/DT applications. This polypropylene metallized radial capacitor operates at 1400V DC with ±5% tolerance and is rated for temperatures from -55°C to 105°C. The part is currently active in production with ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Substitute parts are identified when equivalent electrical and mechanical specifications are required due to inventory constraints, application upgrades, or design optimization needs.

Substiute Parts

BFC238340333

Vishay Beyschlag/Draloric/BC ComponentsIn Stock: 918BFC238340333 Datasheet

Current PartRFQ

BFC238350333

Vishay Beyschlag/Draloric/BC ComponentsIn Stock: 3162BFC238350333 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The BFC238350333 qualifies as a direct substitute for the BFC238340333 based on the following substitution criteria:

Matching Parameters:

• Capacitance: 0.033 µF (identical)
• Tolerance: ±5% (identical)
• Dielectric Material: Polypropylene (PP), Metallized (identical)
• Operating Temperature Range: -55°C to 105°C (identical)
• Mounting Type: Through Hole (identical)
• Package / Case: Radial (identical)
• Physical Dimensions: 26.00mm L x 10.00mm W, 19.50mm height, 22.50mm lead spacing (identical)
• Termination: PC Pins (identical)
• Series: MMKP383 (identical)
• RoHS Status: ROHS3 Compliant (identical)
• MSL Rating: 1 (Unlimited) (identical)

Upgraded Parameters:

• Voltage Rating - DC: 1600V (1.6kV) vs. 1400V (1.4kV) — higher rating
• Voltage Rating - AC: 550V vs. 500V — higher rating

The substitute part maintains all electrical and mechanical compatibility while providing enhanced voltage performance, making it suitable for applications requiring equal or higher voltage margins.

Parameter Comparison

Engineering Selection Recommendations

Both the BFC238340333 and BFC238350333 are active production parts with ROHS3 compliance and identical MSL ratings. The BFC238350333 provides higher DC and AC voltage ratings while maintaining identical physical footprint, capacitance, tolerance, and temperature performance. Selection between these parts depends on circuit voltage requirements: use BFC238340333 for applications rated at 1400V DC maximum, or select BFC238350333 when higher voltage margin or 1600V DC operation is required. Both parts are suitable for high-pulse and DV/DT applications within their respective voltage specifications.

Frequently Asked Questions (FAQ)

Q: Can BFC238350333 replace BFC238340333 in existing designs? A: Yes. The BFC238350333 is mechanically and electrically compatible with identical physical dimensions, capacitance, tolerance, temperature range, and mounting configuration. The higher voltage rating of BFC238350333 does not create compatibility issues in circuits designed for 1400V operation.

Q: What is the primary difference between these two parts? A: The BFC238350333 has higher voltage ratings: 1600V DC and 550V AC compared to 1400V DC and 500V AC for the BFC238340333. All other specifications are identical.

Q: Are both parts suitable for high-pulse and DV/DT applications? A: Yes. Both BFC238340333 and BFC238350333 are rated for high-pulse and DV/DT applications within their respective voltage specifications.

Q: Do these parts have the same physical footprint? A: Yes. Both parts have identical dimensions of 26.00mm length, 10.00mm width, 19.50mm seated height, and 22.50mm lead spacing, allowing direct PCB layout compatibility.

Q: Are both parts RoHS compliant? A: Yes. Both BFC238340333 and BFC238350333 are ROHS3 compliant with MSL rating of 1 (unlimited moisture sensitivity).