Equivalent & Substitute Parts for 184474K63RBA-F

Part Overview

The 184474K63RBA-F is a 0.47 µF film capacitor manufactured by Cornell Dubilier Electronics (CDE), rated for 63V DC operation with ±10% tolerance. This radial polyester metallized capacitor is designed for general-purpose applications and operates across the temperature range of -55°C to 125°C. The part is currently active in production with 797 pieces in stock and carries ROHS3 compliance certification.

Equivalent and substitute parts are identified when alternative manufacturers offer film capacitors with matching or superior electrical specifications, compatible mechanical dimensions, and equivalent or enhanced reliability ratings. Substitution becomes necessary due to supply availability, lead time optimization, or design flexibility across manufacturing sources.

Key Parameters

Parameter	Value	Unit
Capacitance	0.47	µF
Tolerance	±10%	-
Voltage Rating (DC)	63	V
Voltage Rating (AC)	40	V
Dielectric Material	Polyester, Metallized	-
Operating Temperature Range	-55 to 125	°C
Mounting Type	Through Hole	-
Package Type	Radial	-
Lead Spacing	7.50	mm
RoHS Status	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitute parts for the 184474K63RBA-F are classified into two categories based on electrical parameter alignment:

Upgrade Substitutes maintain identical capacitance (0.47 µF) and voltage rating (63V DC) while offering improved tolerance specifications (±5% versus ±10%) or higher voltage ratings (100V DC). These parts provide enhanced performance margins and tighter capacitance accuracy.

Similar Substitutes match all critical electrical parameters (0.47 µF, ±10% tolerance, 63V DC) but differ in mechanical dimensions and lead spacing. These parts are functionally equivalent for circuit operation but require PCB layout verification due to different footprints.

Critical Parameters for Substitution:

Capacitance value: 0.47 µF (mandatory match)
DC voltage rating: minimum 63V (equal or higher acceptable)
Tolerance: ±10% or tighter (equal or better acceptable)
Dielectric: Polyester, Metallized (mandatory match)
Operating temperature: -55°C to 125°C (mandatory match)
Mounting: Through Hole Radial (mandatory match)

Parameter Comparison

Parameter	184474K63RBA-F (Main)	B32520C0474J000 (Upgrade)	B32520C1474J000 (Upgrade)	B32529C0474K000 (Similar)	B32529C0474K189 (Similar)	B32529C0474K289 (Similar)
Manufacturer	Cornell Dubilier Electronics	EPCOS - TDK Electronics	EPCOS - TDK Electronics	EPCOS - TDK Electronics	EPCOS - TDK Electronics	EPCOS - TDK Electronics
Capacitance	0.47 µF	0.47 µF	0.47 µF	0.47 µF	0.47 µF	0.47 µF
Tolerance	±10%	±5%	±5%	±10%	±10%	±10%
Voltage Rating (DC)	63V	63V	100V	63V	63V	63V
Voltage Rating (AC)	40V	40V	63V	40V	40V	40V
Dielectric Material	Polyester, Metallized	Polyester, PET, Metallized - Stacked	Polyester, PET, Metallized - Stacked	Polyester, PET, Metallized - Stacked	Polyester, PET, Metallized - Stacked	Polyester, PET, Metallized - Stacked
Operating Temperature	-55 to 125°C	-55 to 125°C	-55 to 125°C	-55 to 125°C	-55 to 125°C	-55 to 125°C
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Package Type	Radial	Radial	Radial	Radial	Radial	Radial
Length	10.50 mm	10.00 mm	10.00 mm	7.30 mm	7.30 mm	7.30 mm
Width	4.00 mm	3.00 mm	5.00 mm	3.50 mm	3.50 mm	3.50 mm
Height (Seated Max)	9.00 mm	8.00 mm	10.50 mm	8.00 mm	8.00 mm	8.00 mm
Lead Spacing	7.50 mm	7.50 mm	7.50 mm	5.00 mm	5.00 mm	5.00 mm
Packaging	Tape & Reel (TR)	Bulk	Bulk	Bulk	Cut Tape (CT)	Cut Tape (CT)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Automotive Rating	-	AEC-Q200	AEC-Q200	AEC-Q200	AEC-Q200	AEC-Q200
Inventory (Pcs)	797	41,604	3,168	22,851	46,929	34,785

Engineering Selection Recommendations

For Direct Replacement (Identical Electrical Performance):

B32529C0474K000, B32529C0474K189, and B32529C0474K289 are functionally equivalent to the 184474K63RBA-F. All three parts maintain identical capacitance (0.47 µF), tolerance (±10%), and voltage rating (63V DC). These EPCOS - TDK Electronics parts carry AEC-Q200 automotive qualification and ROHS3 compliance. Selection among these three depends on packaging requirements: B32529C0474K000 is supplied in bulk, while B32529C0474K189 and B32529C0474K289 are supplied in cut tape format. However, these similar substitutes feature reduced lead spacing (5.00 mm versus 7.50 mm) and smaller physical dimensions, requiring PCB layout verification before implementation.

For Enhanced Performance (Upgrade Path):

B32520C0474J000 offers improved tolerance specification (±5% versus ±10%) while maintaining the same 63V DC rating and 7.50 mm lead spacing as the original part. This upgrade provides tighter capacitance accuracy without footprint changes.

B32520C1474J000 provides the highest voltage margin with 100V DC rating (versus 63V DC) and ±5% tolerance, also maintaining 7.50 mm lead spacing. This part accommodates higher voltage stress conditions and offers superior performance headroom. Both upgrade options are EPCOS - TDK Electronics products with AEC-Q200 automotive qualification and ROHS3 compliance.

All substitute parts operate across the identical temperature range (-55°C to 125°C) and maintain through-hole radial mounting compatibility.

Frequently Asked Questions (FAQ)

Q: Can B32529C0474K000 be used as a direct replacement for 184474K63RBA-F without PCB modification?

A: B32529C0474K000 is electrically equivalent but has different mechanical dimensions and lead spacing (5.00 mm versus 7.50 mm). PCB layout verification is required. If the PCB footprint accommodates 5.00 mm lead spacing, direct substitution is possible. Otherwise, PCB modification is necessary.

Q: What is the difference between the upgrade substitutes B32520C0474J000 and B32520C1474J000?

A: Both offer improved ±5% tolerance compared to the original ±10%. The primary difference is voltage rating: B32520C0474J000 maintains 63V DC, while B32520C1474J000 provides 100V DC. Both maintain 7.50 mm lead spacing and are footprint-compatible with the original part. Selection depends on circuit voltage requirements.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts (B32520C0474J000, B32520C1474J000, B32529C0474K000, B32529C0474K189, B32529C0474K289) carry ROHS3 compliance certification, matching the original 184474K63RBA-F.

Q: Do the EPCOS - TDK Electronics substitutes carry automotive qualification?

A: Yes. All EPCOS - TDK Electronics substitute parts listed carry AEC-Q200 automotive qualification. The original Cornell Dubilier part does not specify automotive rating.

Q: What is the difference between B32529C0474K189 and B32529C0474K289?

A: Both parts are electrically and mechanically identical. The difference is packaging format: B32529C0474K189 and B32529C0474K289 are both supplied in cut tape (CT) format. The numeric suffix indicates different tape reel configurations. Selection depends on assembly line equipment compatibility.

Q: Can I use B32520C1474J000 in a circuit designed for 63V DC operation?

A: Yes. B32520C1474J000 is rated for 100V DC, which exceeds the 63V DC requirement. Higher voltage-rated capacitors operate safely at lower voltages. This part provides additional voltage margin and stress reduction.

Q: What packaging options are available for substitutes?

A: B32520C0474J000 and B32529C0474K000 are supplied in bulk packaging. B32529C0474K189 and B32529C0474K289 are supplied in cut tape (CT) format. The original 184474K63RBA-F is supplied in tape & reel (TR) format. Packaging selection depends on assembly process requirements.

Q: Are the operating temperature ranges identical across all parts?

A: Yes. The original 184474K63RBA-F and all substitute parts operate across -55°C to 125°C, ensuring thermal compatibility in equivalent applications.

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