Equivalent & Substitute Parts for F1778310M2DBB0

Part Overview

The F1778310M2DBB0 is a 10000 pF film capacitor manufactured by Vishay Beyschlag/Draloric/BC Components, rated for 630V DC operation with polypropylene metallized dielectric. This radial through-hole component is designed for EMI and RFI suppression applications. The part is currently active in production with 808 units in stock. Substitute parts are identified when equivalent electrical and mechanical parameters are maintained within the allowed specifications for this product category.

Key Parameters

Parameter	Value
Capacitance	10000 pF
Tolerance	±20%
Voltage Rating - DC	630V
Voltage Rating - AC	310V
Dielectric Material	Polypropylene (PP), Metallized
Operating Temperature Range	-55°C to 110°C
Mounting Type	Through Hole
Package / Case	Radial
Lead Spacing	0.394" (10.00mm)
Size / Dimension	0.492" L x 0.157" W (12.50mm x 4.00mm)
Height - Seated (Max)	0.394" (10.00mm)
Termination	PC Pins
Applications	EMI, RFI Suppression
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the F1778310M2DBB0 are qualified based on the following critical parameters:

Capacitance Value: 10000 pF (exact match required)
Tolerance: ±20% (exact match required)
Voltage Rating - DC: 630V minimum (equal or higher acceptable)
Voltage Rating - AC: 310V minimum (equal or higher acceptable)
Dielectric Material: Polypropylene (PP), Metallized (exact match required)
Operating Temperature Range: -55°C to 110°C (exact match required)
Mounting Type: Through Hole (exact match required)
Package / Case: Radial (exact match required)
Lead Spacing: 0.394" (10.00mm) (exact match required)
Physical Dimensions: 0.492" L x 0.157" W, Height 0.394" max (exact match required)
Termination: PC Pins (exact match required)

Three substitute parts meet these criteria with identical or superior electrical ratings.

Parameter Comparison

Parameter	F1778310M2DBB0	BFC233620103	F339MX231031MDA2B0	F339X131033MDA2B0
Manufacturer	Vishay Beyschlag/Draloric/BC Components	Vishay Beyschlag/Draloric/BC Components	Vishay Beyschlag/Draloric/BC Components	Vishay Beyschlag/Draloric/BC Components
Series	F1778X2	MKP336 2	F339M	F339X1
Capacitance	10000 pF	10000 pF	10000 pF	10000 pF
Tolerance	±20%	±20%	±20%	±20%
Voltage Rating - DC	630V	630V	630V	800V
Voltage Rating - AC	310V	310V	310V	330V
Dielectric Material	Polypropylene (PP), Metallized	Polypropylene (PP), Metallized	Polypropylene (PP), Metallized	Polypropylene (PP), Metallized
Operating Temperature	-55°C to 110°C	-55°C to 110°C	-55°C to 110°C	-55°C to 110°C
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	Radial	Radial	Radial	Radial
Size / Dimension	0.492" L x 0.157" W (12.50mm x 4.00mm)	0.492" L x 0.157" W (12.50mm x 4.00mm)	0.492" L x 0.157" W (12.50mm x 4.00mm)	0.492" L x 0.157" W (12.50mm x 4.00mm)
Height - Seated (Max)	0.394" (10.00mm)	0.394" (10.00mm)	0.394" (10.00mm)	0.394" (10.00mm)
Lead Spacing	0.394" (10.00mm)	0.394" (10.00mm)	0.394" (10.00mm)	0.394" (10.00mm)
Termination	PC Pins	PC Pins	PC Pins	PC Pins
Applications	EMI, RFI Suppression	EMI, RFI Suppression	EMI, RFI Suppression	EMI, RFI Suppression
Product Status	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Not specified	ROHS3 Compliant
Inventory Status	808 Pcs New Original In Stock	6117 Pcs New Original In Stock	1943 Pcs New Original In Stock	1748 Pcs New Original In Stock

Engineering Selection Recommendations

All three substitute parts are qualified equivalents for the F1778310M2DBB0 based on matching electrical and mechanical specifications. Selection criteria are determined by product availability, compliance certifications, and voltage rating requirements:

BFC233620103 (MKP336 2 Series): Identical electrical and mechanical specifications with 630V DC rating. ROHS3 compliant. Highest inventory availability at 6117 units. Moisture Sensitivity Level rated at 1 (Unlimited).

F339MX231031MDA2B0 (F339M Series): Identical electrical and mechanical specifications with 630V DC rating. Inventory of 1943 units. RoHS compliance status not specified in provided data.

F339X131033MDA2B0 (F339X1 Series): Superior voltage rating at 800V DC and 330V AC, exceeding the 630V DC / 310V AC requirement. ROHS3 compliant. Inventory of 1748 units. Suitable for applications requiring higher voltage margin.

All parts maintain identical physical dimensions, lead spacing, and operating temperature range, ensuring direct mechanical and electrical compatibility in through-hole radial mounting applications.

Frequently Asked Questions (FAQ)

Q: Can F339X131033MDA2B0 be used as a direct replacement for F1778310M2DBB0?

A: Yes. The F339X131033MDA2B0 meets all substitution criteria with identical capacitance (10000 pF), tolerance (±20%), dielectric material (polypropylene metallized), operating temperature range (-55°C to 110°C), and physical dimensions. The higher voltage rating (800V DC vs. 630V DC) provides additional safety margin and does not affect compatibility in circuits designed for 630V operation.

Q: Are there differences in moisture sensitivity between substitute parts?

A: BFC233620103 specifies Moisture Sensitivity Level 1 (Unlimited). F1778310M2DBB0 and F339X131033MDA2B0 list MSL as Not Applicable. F339MX231031MDA2B0 does not specify MSL in provided data. For applications with moisture exposure concerns, BFC233620103 offers explicit unlimited MSL rating.

Q: Do all substitute parts have identical physical footprints?

A: Yes. All parts share identical dimensions (0.492" L x 0.157" W, 12.50mm x 4.00mm), height (0.394" max, 10.00mm), and lead spacing (0.394", 10.00mm). Direct PCB mounting compatibility is confirmed for all substitutes.

Q: Which substitute part offers the best availability?

A: BFC233620103 has the highest inventory at 6117 units in stock, compared to 1943 units for F339MX231031MDA2B0 and 1748 units for F339X131033MDA2B0.

Q: Are all substitute parts ROHS3 compliant?

A: F1778310M2DBB0, BFC233620103, and F339X131033MDA2B0 are confirmed ROHS3 compliant. F339MX231031MDA2B0 does not specify RoHS compliance status in provided data.

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