F1778368M3DBB0 Film Capacitor Equivalent & Substitute Parts

Part Overview

The F1778368M3DBB0 is a 0.068 µF film capacitor manufactured by Vishay Beyschlag/Draloric/BC Components, designed for EMI and RFI suppression applications. This radial polypropylene metallized capacitor operates across a wide temperature range and meets X2 ratings for AC line filtering. The part is currently active in production with 711 units in stock. Substitute parts are identified when identical electrical specifications and mechanical compatibility are maintained across the same manufacturer's product lines.

Substiute Parts

F1778368M3DBB0

Vishay Beyschlag/Draloric/BC ComponentsIn Stock: 747F1778368M3DBB0 Datasheet

Current PartRFQ

BFC233820683

Vishay Beyschlag/Draloric/BC ComponentsIn Stock: 4200BFC233820683 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the F1778368M3DBB0 is determined by strict equivalence across the following critical parameters:

• Capacitance value: 0.068 µF
• Tolerance: ±20%
• DC voltage rating: 630V minimum
• AC voltage rating: 310V minimum
• Dielectric type: Polypropylene (PP), Metallized
• Operating temperature range: -55°C to 110°C
• Mounting configuration: Through Hole, Radial
• Lead spacing: 0.394" (10.00mm)
• Physical envelope: 0.492" L x 0.197" W x 0.433" H maximum
• Termination style: PC Pins
• Application category: EMI/RFI Suppression (X2 rating)

The substitute part BFC233820683 meets all these criteria and is manufactured by the same supplier, ensuring functional and mechanical interchangeability.

Parameter Comparison

Engineering Selection Recommendations

Both F1778368M3DBB0 and BFC233820683 are active production parts from Vishay Beyschlag/Draloric/BC Components with full ROHS3 compliance and REACH unaffected status. Selection between these parts should be based on availability and lead time requirements. The BFC233820683 offers higher inventory availability (4122 units versus 711 units), making it suitable for applications requiring extended supply chain security. Both parts carry identical electrical ratings, mechanical dimensions, and compliance certifications, ensuring direct functional substitution in EMI/RFI suppression circuits operating at 630V DC / 310V AC.

Frequently Asked Questions (FAQ)

Q: Can BFC233820683 be used as a direct replacement for F1778368M3DBB0?

A: Yes. Both parts are electrically and mechanically identical across all specified parameters, including capacitance, voltage ratings, temperature range, physical dimensions, and lead spacing. Direct substitution is valid for through-hole PCB applications.

Q: Are there any differences in the dielectric or construction between these parts?

A: No. Both parts use polypropylene (PP) metallized dielectric material and are rated for X2 applications. Construction and material composition are equivalent.

Q: Do these parts have the same temperature operating range?

A: Yes. Both parts operate across -55°C to 110°C, ensuring identical thermal performance in the specified application environment.

Q: What is the significance of the X2 rating?

A: The X2 rating indicates these capacitors are suitable for AC line filtering applications with a 630V DC / 310V AC rating. Both parts meet this classification.

Q: Are there any compliance or certification differences?

A: No. Both parts are ROHS3 compliant, REACH unaffected, and carry EAR99 export classification. Compliance status is identical.

Q: Which part should be selected based on availability?

A: BFC233820683 has higher inventory (4122 units) compared to F1778368M3DBB0 (711 units). For applications requiring immediate availability or bulk quantities, BFC233820683 is the preferred selection.

Q: Do these parts have identical physical dimensions for PCB layout?

A: Yes. Both parts share identical dimensions (0.492" L x 0.197" W x 0.433" H maximum) and lead spacing (0.394"), ensuring no PCB redesign is required for substitution.