F863BW474K310Z Equivalent & Substitute Parts

Part Overview

The F863BW474K310Z is a 0.47 µF film capacitor manufactured by KEMET, designed for applications requiring EMI and RFI suppression in automotive environments. This radial polypropylene metallized film capacitor operates at 630V DC and 310V AC, with a ±10% tolerance and temperature range of -40°C to 110°C. The part is currently active in production with 744 units in stock. Substitute parts are identified to provide alternative sourcing options when the primary part number is unavailable or when inventory requirements necessitate alternative stock sources.

Key Parameters

Parameter	Value
Capacitance	0.47 µF
Tolerance	±10%
Voltage Rating - DC	630V
Voltage Rating - AC	310V
Dielectric Material	Polypropylene (PP), Metallized
Operating Temperature Range	-40°C to 110°C
Mounting Type	Through Hole
Package Type	Radial
Lead Spacing	0.591" (15.00mm)
Termination	PC Pins
Ratings	AEC-Q200, X2
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the F863BW474K310Z is permissible with the F862BY474K310ZV054 based on electrical and mechanical parameter equivalence. Both parts maintain identical specifications across all critical parameters that determine functional compatibility: capacitance value of 0.47 µF, tolerance of ±10%, voltage ratings of 630V DC and 310V AC, polypropylene metallized dielectric material, operating temperature range of -40°C to 110°C, through-hole radial mounting configuration, 15.00mm lead spacing, and PC pin termination. Both parts carry AEC-Q200 and X2 ratings, confirming automotive-grade qualification and safety compliance. The substitution is based strictly on these matching electrical and mechanical parameters, with no deviations in functional performance characteristics.

Parameter Comparison

Parameter	F863BW474K310Z (Main Part)	F862BY474K310ZV054 (Substitute)	Match Status
Manufacturer	KEMET	KEMET	Identical
Capacitance	0.47 µF	0.47 µF	Identical
Tolerance	±10%	±10%	Identical
Voltage Rating - DC	630V	630V	Identical
Voltage Rating - AC	310V	310V	Identical
Dielectric Material	Polypropylene (PP), Metallized	Polypropylene (PP), Metallized	Identical
Operating Temperature Range	-40°C to 110°C	-40°C to 110°C	Identical
Mounting Type	Through Hole	Through Hole	Identical
Package Type	Radial	Radial	Identical
Size / Dimension	0.709" L x 0.433" W (18.00mm x 11.00mm)	0.709" L x 0.433" W (18.00mm x 11.00mm)	Identical
Height - Seated (Max)	0.752" (19.10mm)	0.748" (19.00mm)	Compatible
Lead Spacing	0.591" (15.00mm)	0.591" (15.00mm)	Identical
Termination	PC Pins	PC Pins	Identical
Applications	Automotive; EMI, RFI Suppression	Automotive; EMI, RFI Suppression	Identical
Ratings	AEC-Q200, X2	AEC-Q200, X2	Identical
Product Status	Active	Active	Identical
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Identical
REACH Status	REACH Unaffected	REACH Unaffected	Identical

Engineering Selection Recommendations

The F862BY474K310ZV054 is a direct functional equivalent to the F863BW474K310Z. Both parts are manufactured by KEMET and maintain active product status, ensuring continued availability and manufacturing support. Selection between these parts is based on inventory availability and supply chain requirements rather than technical performance differences. Both parts comply with ROHS3 and REACH regulations, and both carry AEC-Q200 automotive-grade certification and X2 safety ratings, confirming suitability for automotive EMI and RFI suppression applications. The seated height difference of 0.10mm (19.10mm versus 19.00mm) is within standard PCB assembly tolerances and does not affect functional compatibility or board-level integration. Either part may be selected based on stock availability and procurement lead times.

Frequently Asked Questions (FAQ)

Q: Can the F862BY474K310ZV054 be used as a direct replacement for the F863BW474K310Z?

A: Yes. Both parts are electrically and mechanically equivalent across all critical parameters including capacitance, voltage ratings, dielectric material, temperature range, lead spacing, and termination type. Both carry identical AEC-Q200 and X2 certifications.

Q: Are there any dimensional differences between these parts?

A: The seated height differs by 0.10mm (F863BW474K310Z: 19.10mm maximum; F862BY474K310ZV054: 19.00mm maximum). This variation is within standard PCB assembly tolerances and does not affect board-level compatibility or component placement.

Q: Do both parts meet automotive compliance requirements?

A: Yes. Both the F863BW474K310Z and F862BY474K310ZV054 carry AEC-Q200 certification, confirming automotive-grade qualification. Both are ROHS3 compliant and REACH unaffected.

Q: What is the lead spacing for these capacitors?

A: Both parts have a lead spacing of 0.591 inches (15.00mm), ensuring identical PCB footprint compatibility.

Q: Are these parts suitable for EMI and RFI suppression applications?

A: Yes. Both parts are specified for EMI and RFI suppression in automotive applications and carry X2 safety ratings appropriate for this use.

Q: What is the operating temperature range for these capacitors?

A: Both parts operate across a temperature range of -40°C to 110°C, suitable for automotive environmental conditions.

Q: Do these parts have the same capacitance tolerance?

A: Yes. Both parts have a ±10% tolerance on the 0.47 µF capacitance value.

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