Equivalent & Substitute Parts for 185474K63RHB-F

Part Overview

The Cornell Dubilier Electronics 185474K63RHB-F is a 0.47 µF film capacitor rated for 63V DC operation with ±10% tolerance, packaged in Tape & Reel format. This radial polyester metallized capacitor is designed for general-purpose applications across industrial and commercial equipment. The part maintains active product status with 807 units in current inventory.

Substitute parts are identified to address packaging format requirements, tolerance specifications, voltage rating upgrades, and manufacturer alternatives while maintaining electrical and mechanical compatibility within the specified parameter ranges.

Key Parameters

Parameter	Specification
Capacitance	0.47 µF
Tolerance	±10%
Voltage Rating (DC)	63V
Voltage Rating (AC)	40V
Dielectric Material	Polyester, Metallized
Operating Temperature Range	-55°C to 125°C
Mounting Type	Through Hole
Package Type	Radial
Lead Spacing	0.197" (5.00mm)
Termination	PC Pins
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts are classified into three categories based on allowed parameter variations:

Category 1: Tolerance Upgrade (±10% to ±5%) Parts with improved tolerance specification while maintaining identical voltage rating and capacitance. These substitutes provide tighter capacitance accuracy for applications requiring enhanced precision.

Category 2: Direct Equivalents (Same Voltage, Same Tolerance) EPCOS B32529C series parts with matching 63V DC rating and ±10% tolerance. These parts provide manufacturer alternatives with identical electrical performance and different packaging options (Bulk, Cut Tape).

Category 3: Voltage Rating Upgrade (63V to 100V) Parts with elevated DC voltage rating while maintaining 0.47 µF capacitance. These substitutes accommodate applications requiring higher voltage headroom and are physically larger due to increased dielectric thickness.

Substitution logic is determined by the following parameters:

Capacitance value (0.47 µF fixed)
Voltage rating (63V or 100V)
Tolerance specification (±10% or ±5%)
Dielectric material (Polyester, Metallized)
Mounting configuration (Through Hole Radial)
Lead spacing (0.197" / 5.00mm)

Parameter Comparison

Part Number	Manufacturer	Capacitance	Tolerance	Voltage DC	Voltage AC	Packaging	Size L x W (mm)	Height Max (mm)	Inventory
185474K63RHB-F	Cornell Dubilier Electronics	0.47 µF	±10%	63V	40V	Tape & Reel	7.20 x 3.50	7.50	807
168474J63H-F	Cornell Dubilier Electronics	0.47 µF	±5%	63V	40V	Bulk	7.20 x 3.50	7.50	4911
B32529C0474K000	EPCOS - TDK Electronics	0.47 µF	±10%	63V	40V	Bulk	7.30 x 3.50	8.00	22851
B32529C0474K189	EPCOS - TDK Electronics	0.47 µF	±10%	63V	40V	Cut Tape	7.30 x 3.50	8.00	46929
B32529C0474K289	EPCOS - TDK Electronics	0.47 µF	±10%	63V	40V	Cut Tape	7.30 x 3.50	8.00	34785
B32529C0474J000	EPCOS - TDK Electronics	0.47 µF	±5%	63V	40V	Bulk	7.30 x 3.50	8.00	308008
B32529C0474J289	EPCOS - TDK Electronics	0.47 µF	±5%	63V	40V	Tape & Box	7.30 x 3.50	8.00	102241
B32529C1474J000	EPCOS - TDK Electronics	0.47 µF	±5%	100V	63V	Bulk	7.30 x 4.50	9.50	60328
B32529C1474J289	EPCOS - TDK Electronics	0.47 µF	±5%	100V	63V	Cut Tape	7.30 x 4.50	9.50	1401
B32529C1474K000	EPCOS - TDK Electronics	0.47 µF	±10%	100V	63V	Bulk	7.30 x 4.50	9.50	6848
B32529C1474K189	EPCOS - TDK Electronics	0.47 µF	±10%	100V	63V	Cut Tape	7.30 x 4.50	9.50	2386

Engineering Selection Recommendations

Direct Substitution (Same Voltage Rating - 63V DC)

The EPCOS B32529C series parts with 63V DC rating provide direct electrical equivalents to the 185474K63RHB-F. These parts maintain identical capacitance, voltage specifications, and operating temperature range. All EPCOS alternatives are ROHS3 compliant and REACH unaffected, matching the compliance profile of the original part.

B32529C0474K000, B32529C0474K189, and B32529C0474K289 maintain ±10% tolerance matching the original specification. These parts differ only in packaging format (Bulk or Cut Tape) and have marginally larger physical dimensions (7.30mm length vs. 7.20mm, 8.00mm height vs. 7.50mm). Lead spacing remains constant at 5.00mm.

Tolerance Upgrade Options (±5% Tolerance)

Parts 168474J63H-F (Cornell Dubilier), B32529C0474J000, B32529C0474J289, B32529C1474J000, and B32529C1474J289 provide ±5% tolerance specifications. These substitutes are suitable for applications requiring tighter capacitance accuracy while maintaining all other electrical parameters. The EPCOS B32529C0474J series maintains 63V DC rating with improved tolerance. All tolerance-upgraded parts retain ROHS3 compliance and AEC-Q200 automotive ratings (EPCOS variants).

Voltage Rating Upgrade Options (100V DC)

Parts B32529C1474J000, B32529C1474J289, B32529C1474K000, and B32529C1474K189 provide 100V DC rating with 0.47 µF capacitance. These parts accommodate applications requiring higher voltage margins and are physically larger (4.50mm width, 9.50mm height) due to increased dielectric thickness. These substitutes are suitable only when circuit design permits the larger package footprint and when higher voltage rating is required.

All EPCOS alternatives carry AEC-Q200 automotive qualification and are suitable for automotive, EMI, and RFI suppression applications. Product status is active for all listed substitutes with substantial inventory availability.

Frequently Asked Questions (FAQ)

Q: Can B32529C0474K000 replace 185474K63RHB-F directly in the circuit?

A: Yes. Both parts have identical capacitance (0.47 µF), voltage rating (63V DC), tolerance (±10%), and operating temperature range (-55°C to 125°C). Physical dimensions differ slightly (7.30mm vs. 7.20mm length, 8.00mm vs. 7.50mm height), but lead spacing remains 5.00mm. PCB layout must accommodate the marginally larger footprint.

Q: What is the difference between ±10% and ±5% tolerance parts?

A: Tolerance specifies the allowable deviation from the nominal capacitance value. A ±10% part allows capacitance between 0.423 µF and 0.517 µF. A ±5% part allows capacitance between 0.4465 µF and 0.4935 µF. Applications requiring precise capacitance values benefit from ±5% tolerance parts.

Q: Can I use a 100V rated part in place of a 63V rated part?

A: Yes, from an electrical standpoint. Parts B32529C1474J000, B32529C1474J289, B32529C1474K000, and B32529C1474K189 are rated for 100V DC and are suitable for circuits designed for 63V operation. However, these parts are physically larger (4.50mm width vs. 3.50mm, 9.50mm height vs. 7.50mm). PCB layout must accommodate the increased dimensions. Use only if circuit board space permits.

Q: What packaging formats are available?

A: The original part is supplied in Tape & Reel (TR) format. Substitutes are available in Bulk, Cut Tape (CT), and Tape & Box (TB) formats. Packaging selection depends on assembly process requirements and order quantities. Bulk packaging is suitable for high-volume production. Cut Tape and Tape & Box formats accommodate lower-volume or mixed-component orders.

Q: Are all substitute parts RoHS compliant?

A: Yes. The original 185474K63RHB-F and all listed substitute parts are ROHS3 compliant. All EPCOS variants are also REACH unaffected. Compliance documentation is available for all parts.

Q: Which substitute has the highest inventory availability?

A: B32529C0474J000 (EPCOS, ±5% tolerance, 63V DC, Bulk packaging) has 308,008 units in stock, providing maximum availability for high-volume requirements.

Q: Can I mix different packaging formats in production?

A: Packaging format affects only the supply and handling method, not electrical performance. Parts with identical electrical specifications (capacitance, voltage, tolerance, temperature range) are functionally interchangeable regardless of packaging format. Assembly equipment compatibility must be verified for each packaging type.

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