Cornell Dubilier Electronics 185474K50RHB-F Film Capacitor Equivalent & Substitute Parts

Part Overview

The Cornell Dubilier Electronics 185474K50RHB-F is a 0.47 µF polyester metallized radial film capacitor rated for 50 VDC operation with ±10% tolerance. The part is currently active in inventory with 711 units available. Equivalent and substitute parts are necessary when the original specification requires upgraded electrical characteristics such as higher voltage ratings, improved tolerance specifications, or alternative dielectric formulations while maintaining functional compatibility with radial through-hole mounting footprints.

Key Parameters

Parameter	185474K50RHB-F
Manufacturer	Cornell Dubilier Electronics (CDE)
Capacitance	0.47 µF
Tolerance	±10%
Voltage Rating (DC)	50V
Voltage Rating (AC)	30V
Dielectric Material	Polyester, Metallized
Operating Temperature Range	-55°C ~ 125°C
Mounting Type	Through Hole (Radial)
Lead Spacing	0.197" (5.00mm)
Package / Case	Radial
Termination	PC Pins
RoHS Status	ROHS3 Compliant
Product Status	Active

Substitute Part Grouping Explanation

Substitute parts for the 185474K50RHB-F are organized by electrical upgrade characteristics while maintaining the core capacitance value and through-hole radial package compatibility. Substitution eligibility is determined by the following criteria:

Primary Compatibility Requirements:

Capacitance: 0.47 µF (identical)
Lead Spacing: 0.197" (5.00mm)
Mounting Type: Through Hole Radial
Termination: PC Pins
Operating Temperature: -55°C ~ 125°C (or compatible subset)

Allowable Upgrade Parameters:

DC Voltage Rating: 50V (minimum) to 100V (maximum)
AC Voltage Rating: 30V (minimum) to 63V (maximum)
Tolerance: ±10% (baseline) to ±5% (tighter specification)
Dielectric Formulation: Polyester, Metallized (both CDE and EPCOS-TDK formulations acceptable)

Substitute parts offered by EPCOS-TDK Electronics (B3252* series) carry AEC-Q200 automotive qualification and represent higher-performance variants suitable for applications requiring enhanced voltage headroom or tolerance precision. All substitute parts maintain ROHS3 compliance and are categorized as active products.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Tolerance	Voltage Rating DC	Voltage Rating AC	Dielectric	Operating Temp	Lead Spacing	Packaging	RoHS Status	Product Status
185474K50RHB-F	CDE	0.47 µF	±10%	50V	30V	Polyester, Metallized	-55°C ~ 125°C	0.197" (5.00mm)	Tape & Reel (TR)	ROHS3 Compliant	Active
168474J63H-F	CDE	0.47 µF	±5%	63V	40V	Polyester, Metallized	-55°C ~ 125°C	0.197" (5.00mm)	Bulk	ROHS3 Compliant	Active
B32529C0474J000	EPCOS-TDK Electronics	0.47 µF	±5%	63V	40V	Polyester (PET), Metallized - Stacked	-55°C ~ 125°C	0.197" (5.00mm)	Bulk	ROHS3 Compliant	Active
B32529C0474J289	EPCOS-TDK Electronics	0.47 µF	±5%	63V	40V	Polyester (PET), Metallized - Stacked	-55°C ~ 125°C	0.197" (5.00mm)	Cut Tape (CT)	ROHS3 Compliant	Active
B32529C0474K000	EPCOS-TDK Electronics	0.47 µF	±10%	63V	40V	Polyester (PET), Metallized - Stacked	-55°C ~ 125°C	0.197" (5.00mm)	Bulk	ROHS3 Compliant	Active
B32529C0474K189	EPCOS-TDK Electronics	0.47 µF	±10%	63V	40V	Polyester (PET), Metallized - Stacked	-55°C ~ 125°C	0.197" (5.00mm)	Cut Tape (CT)	ROHS3 Compliant	Active
B32529C0474K289	EPCOS-TDK Electronics	0.47 µF	±10%	63V	40V	Polyester (PET), Metallized - Stacked	-55°C ~ 125°C	0.197" (5.00mm)	Cut Tape (CT)	ROHS3 Compliant	Active
B32529C1474J000	EPCOS-TDK Electronics	0.47 µF	±5%	100V	63V	Polyester (PET), Metallized - Stacked	-55°C ~ 125°C	0.197" (5.00mm)	Bulk	ROHS3 Compliant	Active
B32529C1474J289	EPCOS-TDK Electronics	0.47 µF	±5%	100V	63V	Polyester (PET), Metallized - Stacked	-55°C ~ 125°C	0.197" (5.00mm)	Cut Tape (CT)	ROHS3 Compliant	Active
B32529C1474K000	EPCOS-TDK Electronics	0.47 µF	±10%	100V	63V	Polyester (PET), Metallized - Stacked	-55°C ~ 125°C	0.197" (5.00mm)	Bulk	ROHS3 Compliant	Active
B32529C1474K189	EPCOS-TDK Electronics	0.47 µF	±10%	100V	63V	Polyester (PET), Metallized - Stacked	-55°C ~ 125°C	0.197" (5.00mm)	Cut Tape (CT)	ROHS3 Compliant	Active

Engineering Selection Recommendations

All listed substitute parts maintain active product status and full ROHS3 compliance, ensuring compliance with environmental and hazardous substance restrictions. The Cornell Dubilier Electronics 168474J63H-F offers a direct upgrade path with identical manufacturer sourcing, providing higher voltage capability (63V DC) and superior tolerance (±5%) while retaining the CDE product line characteristics.

EPCOS-TDK Electronics B3252* series capacitors provide automotive-grade alternatives with AEC-Q200 qualification ratings. These parts support both 63V DC and 100V DC configurations and are available across multiple packaging formats (Bulk, Cut Tape). The B3252* series employs polyethylene terephthalate (PET) metallized stacked technology, differentiated from the CDE standard metallized polyester construction.

Selection between substitute parts should be determined by application voltage requirements, tolerance specifications, and automotive qualification needs rather than dielectric formulation differences, as all parts share identical electrical performance characteristics and thermal operating ranges.

Frequently Asked Questions (FAQ)

Q: Can the 185474K50RHB-F be directly replaced with a 63V substitute part? A: Yes, any substitute part rated for 63V DC or higher meets the electrical requirements of the original 50V specification. Higher voltage ratings provide margin for transient conditions and circuit design flexibility.

Q: What is the difference between CDE and EPCOS-TDK substitute parts? A: The CDE 168474J63H-F maintains the original manufacturer's design approach. EPCOS-TDK B3252* series parts employ metallized stacked dielectric construction and carry AEC-Q200 automotive qualification. Both meet the electrical and mechanical compatibility requirements.

Q: How do tolerance specifications affect part selection? A: The original 185474K50RHB-F specifies ±10% tolerance. Substitute parts offering ±5% tolerance provide tighter capacitance accuracy without requiring circuit design changes, as they remain within the original ±10% tolerance band.

Q: Are there physical dimension differences between substitute parts? A: The 63V rated substitutes (168474J63H-F and B3252* 63V series) maintain the original 0.197" (5.00mm) lead spacing. The 100V rated B3252* series increases height to 0.374" (9.50mm) with width expansion to 0.177" (4.50mm), requiring PCB layout verification before substitution.

Q: What packaging options are available for the substitute parts? A: The original part uses Tape & Reel packaging. CDE 168474J63H-F is available in Bulk. EPCOS-TDK B3252* substitutes are offered in Bulk, Cut Tape, and Tape & Box configurations, accommodating different procurement and assembly processes.

Q: Is automotive qualification required for my application? A: Automotive qualification through AEC-Q200 is a distinguishing feature of EPCOS-TDK B3252* parts but is not inherent to the original CDE specification. Selection should reflect application-specific automotive requirements.

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