Equivalent & Substitute Parts for 185474K63RHA-F

Part Overview

The Cornell Dubilier Electronics (CDE) 185474K63RHA-F is a 0.47 µF film capacitor rated for 63V DC operation with ±10% tolerance. This radial polyester metallized capacitor is designed for general-purpose applications across an operating temperature range of -55°C to 125°C. The part is currently active in production with 1090 units in stock and is packaged in Tape & Reel format.

Equivalent and substitute parts are identified to address supply chain requirements, packaging preferences, tolerance specifications, and voltage rating upgrades while maintaining electrical and mechanical compatibility within the radial film capacitor category.

Key Parameters

Parameter	Value	Significance for Substitution
Capacitance	0.47 µF	Must match exactly
Voltage Rating - DC	63V	Can be upgraded; cannot be downgraded
Tolerance	±10%	Can be upgraded to ±5%; cannot be downgraded
Dielectric Material	Polyester, Metallized	Must match material type
Mounting Type	Through Hole Radial	Must match mounting configuration
Lead Spacing	0.197" (5.00mm)	Must match for PCB compatibility
Operating Temperature	-55°C to 125°C	Must match or exceed range
RoHS Status	ROHS3 Compliant	Must maintain compliance

Substitute Part Grouping Explanation

Substitute parts for the 185474K63RHA-F are classified into three categories based on allowed parameter variations:

Direct Equivalents (Same Electrical Specifications) Direct equivalents maintain identical capacitance (0.47 µF), voltage rating (63V DC), tolerance (±10%), and operating temperature range. These parts differ only in packaging format or manufacturer. Substitution is valid without circuit redesign.

Tolerance Upgrades (±5% Tolerance) Parts with ±5% tolerance provide improved capacitance accuracy compared to the ±10% specification of the main part. These upgrades are electrically compatible and suitable for applications requiring tighter tolerance control. Voltage rating and capacitance remain unchanged at 63V DC and 0.47 µF respectively.

Voltage Rating Upgrades (100V DC) Parts rated for 100V DC operation provide enhanced voltage margin while maintaining 0.47 µF capacitance. These upgrades are suitable for circuits where higher voltage headroom is beneficial. Physical dimensions increase slightly to accommodate the higher voltage rating. Tolerance may be ±5% or ±10%.

Key Substitution Parameters:

Capacitance: 0.47 µF (fixed)
Lead Spacing: 0.197" (5.00mm) (fixed)
Mounting Type: Through Hole Radial (fixed)
Dielectric: Polyester, Metallized (fixed)
Operating Temperature: -55°C to 125°C (fixed)
Voltage Rating: 63V DC (baseline) or 100V DC (upgrade)
Tolerance: ±10% (baseline) or ±5% (upgrade)
Packaging: Tape & Reel, Bulk, Cut Tape, or Tape & Box formats

Parameter Comparison

Part Number	Manufacturer	Capacitance	Tolerance	Voltage DC	Voltage AC	Dielectric	Size (L x W)	Height Max	Lead Spacing	Packaging	Inventory
185474K63RHA-F	CDE	0.47 µF	±10%	63V	40V	Polyester, Metallized	7.20 x 3.50 mm	7.50 mm	5.00 mm	Tape & Reel	1090
168474J63H-F	CDE	0.47 µF	±5%	63V	40V	Polyester, Metallized	7.20 x 3.50 mm	7.50 mm	5.00 mm	Bulk	4911
B32529C0474K000	EPCOS - TDK	0.47 µF	±10%	63V	40V	Polyester PET, Metallized Stacked	7.30 x 3.50 mm	8.00 mm	5.00 mm	Bulk	22851
B32529C0474K189	EPCOS - TDK	0.47 µF	±10%	63V	40V	Polyester PET, Metallized Stacked	7.30 x 3.50 mm	8.00 mm	5.00 mm	Cut Tape	46929
B32529C0474K289	EPCOS - TDK	0.47 µF	±10%	63V	40V	Polyester PET, Metallized Stacked	7.30 x 3.50 mm	8.00 mm	5.00 mm	Cut Tape	34785
B32529C0474J000	EPCOS - TDK	0.47 µF	±5%	63V	40V	Polyester PET, Metallized Stacked	7.30 x 3.50 mm	8.00 mm	5.00 mm	Bulk	308008
B32529C0474J289	EPCOS - TDK	0.47 µF	±5%	63V	40V	Polyester PET, Metallized Stacked	7.30 x 3.50 mm	8.00 mm	5.00 mm	Tape & Box	102241
B32529C1474J000	EPCOS - TDK	0.47 µF	±5%	100V	63V	Polyester PET, Metallized Stacked	7.30 x 4.50 mm	9.50 mm	5.00 mm	Bulk	60328
B32529C1474J289	EPCOS - TDK	0.47 µF	±5%	100V	63V	Polyester PET, Metallized Stacked	7.30 x 4.50 mm	9.50 mm	5.00 mm	Cut Tape	1401
B32529C1474K000	EPCOS - TDK	0.47 µF	±10%	100V	63V	Polyester PET, Metallized Stacked	7.30 x 4.50 mm	9.50 mm	5.00 mm	Bulk	6848
B32529C1474K189	EPCOS - TDK	0.47 µF	±10%	100V	63V	Polyester PET, Metallized Stacked	7.30 x 4.50 mm	9.50 mm	5.00 mm	Cut Tape	2386

Engineering Selection Recommendations

For Direct Replacement (Same Specifications)

The EPCOS B32529C0474K series parts (B32529C0474K000, B32529C0474K189, B32529C0474K289) provide direct electrical equivalence to the 185474K63RHA-F. All maintain 0.47 µF capacitance, ±10% tolerance, and 63V DC rating. These parts are ROHS3 compliant and carry AEC-Q200 automotive qualification. Selection among these three variants depends on packaging requirements: Bulk format for high-volume procurement, or Cut Tape format for automated assembly operations.

For Tolerance Upgrade (±5% Specification)

The CDE 168474J63H-F and EPCOS B32529C0474J series (B32529C0474J000, B32529C0474J289) upgrade tolerance to ±5% while maintaining 63V DC rating and 0.47 µF capacitance. These parts are suitable for applications requiring improved capacitance accuracy. The EPCOS variants offer higher inventory availability (308008 units for Bulk, 102241 units for Tape & Box) and AEC-Q200 qualification.

For Voltage Rating Upgrade (100V DC Operation)

The EPCOS B32529C1474 series (B32529C1474J000, B32529C1474J289, B32529C1474K000, B32529C1474K189) provides 100V DC rating with 0.47 µF capacitance. These parts feature increased physical dimensions (height 9.50 mm, width 4.50 mm) to accommodate higher voltage stress. Available in both ±5% tolerance (J-suffix) and ±10% tolerance (K-suffix) variants. All carry AEC-Q200 qualification and ROHS3 compliance. Voltage upgrade is suitable for circuits operating near the 63V limit or requiring enhanced safety margin.

Compliance and Certification

All substitute parts maintain ROHS3 compliance and REACH unaffected status. EPCOS parts carry AEC-Q200 automotive qualification, indicating suitability for automotive-grade applications. All parts operate across -55°C to 125°C temperature range.

Frequently Asked Questions (FAQ)

Q: Can B32529C0474K000 replace 185474K63RHA-F directly in the circuit?

A: Yes. Both parts share identical electrical specifications: 0.47 µF capacitance, ±10% tolerance, and 63V DC rating. Lead spacing (5.00 mm) and mounting type (through-hole radial) are identical. The primary difference is packaging format (Bulk vs. Tape & Reel) and slight physical dimension variation (height 8.00 mm vs. 7.50 mm). PCB layout compatibility depends on available vertical clearance.

Q: What is the advantage of selecting a ±5% tolerance part?

A: Parts with ±5% tolerance (168474J63H-F, B32529C0474J series) provide tighter capacitance accuracy compared to ±10% specification. This is beneficial for circuits with strict capacitance requirements, such as precision timing circuits or filter applications where capacitance drift affects performance. Electrical and mechanical compatibility remains unchanged.

Q: When should I select a 100V DC rated part instead of 63V?

A: The 100V DC rated parts (B32529C1474 series) are suitable when circuit operating voltage approaches or exceeds 50V DC, or when design margin for voltage transients is required. These parts feature larger physical dimensions (height 9.50 mm vs. 7.50 mm, width 4.50 mm vs. 3.50 mm). PCB layout must accommodate increased component height. Lead spacing remains 5.00 mm.

Q: Are there packaging format differences between substitute parts?

A: Yes. Available packaging formats include Tape & Reel (TR), Bulk, Cut Tape (CT), and Tape & Box (TB). Tape & Reel format is optimized for automated pick-and-place assembly. Bulk format is suitable for manual assembly or reel consolidation. Cut Tape format provides intermediate quantities. Selection depends on assembly process and procurement volume requirements.

Q: Do all substitute parts meet automotive qualification standards?

A: EPCOS B32529 series parts carry AEC-Q200 automotive qualification. CDE 185 and 168 series parts do not list AEC-Q200 qualification in provided specifications. For automotive applications, EPCOS B32529 variants are recommended.

Q: What is the physical dimension difference between 63V and 100V rated parts?

A: The 63V rated parts measure 7.20-7.30 mm length × 3.50 mm width with maximum seated height of 7.50-8.00 mm. The 100V rated parts measure 7.30 mm length × 4.50 mm width with maximum seated height of 9.50 mm. Lead spacing remains 5.00 mm for all variants. Increased dimensions accommodate higher voltage stress in the dielectric material.

Q: Can I use B32529C0474J000 in place of 185474K63RHA-F?

A: Yes, with the following considerations: B32529C0474J000 provides ±5% tolerance (tighter than ±10%), identical 63V DC rating, and 0.47 µF capacitance. Physical dimensions are slightly larger (height 8.00 mm vs. 7.50 mm). Packaging is Bulk format rather than Tape & Reel. Electrical performance is equivalent or superior due to improved tolerance specification.

Q: What inventory levels are available for each substitute part?

A: Inventory varies significantly. B32529C0474J000 (EPCOS, Bulk, ±5%, 63V) has the highest availability at 308008 units. B32529C0474K189 (EPCOS, Cut Tape, ±10%, 63V) has 46929 units. B32529C1474J289 (EPCOS, Cut Tape, ±5%, 100V) has the lowest availability at 1401 units. Availability should be confirmed with supplier for time-sensitive applications.

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