Equivalent & Substitute Parts for 168473K63A-F

Part Overview

The Cornell Dubilier Electronics (CDE) 168473K63A-F is a 0.047 µF polyester metallized radial film capacitor rated for 63V DC operation with ±10% tolerance. This component is classified as Active product status with full ROHS3 compliance and unlimited moisture sensitivity rating. The part is suitable for general-purpose applications requiring stable capacitance across the operating temperature range of -55°C to 125°C.

Equivalent and substitute parts are identified to address inventory availability, packaging format requirements, enhanced electrical specifications, or automotive-grade certifications. Substitution is valid only when all critical electrical parameters remain within acceptable operating margins for the target application.

Key Parameters

Parameter	Value	Unit	Substitution Relevance
Capacitance	0.047	µF	Must match exactly
Voltage Rating (DC)	63	V	Substitute must equal or exceed
Voltage Rating (AC)	40	V	Substitute must equal or exceed
Tolerance	±10%	%	Substitute may improve (tighter tolerance acceptable)
Dielectric Material	Polyester, Metallized	—	Must be compatible polyester type
Operating Temperature	-55 to 125	°C	Must match or exceed range
Mounting Type	Through Hole	—	Must match
Package / Case	Radial	—	Must match
Lead Spacing	0.197	inches (5.00 mm)	Must match for PCB compatibility
RoHS Status	ROHS3 Compliant	—	Substitute must maintain compliance

Substitute Part Grouping Explanation

Substitution logic for the 168473K63A-F is organized into three categories based on electrical parameter changes:

Category 1: Direct Equivalents (Same Electrical Specifications) Parts maintaining identical capacitance (0.047 µF), voltage rating (63V DC / 40V AC), and tolerance (±10%) are classified as direct equivalents. These parts differ only in manufacturer, dielectric construction (PET vs. standard polyester), packaging format (Bulk vs. Cut Tape), or certifications (automotive AEC-Q200 rating). Direct equivalents are interchangeable without circuit redesign.

Category 2: Tolerance Upgrades (Improved Tolerance) Parts with identical capacitance and voltage ratings but tighter tolerance (±5% instead of ±10%) provide enhanced precision. These upgrades are suitable for applications requiring stricter capacitance control while maintaining the same voltage stress margins.

Category 3: Voltage Upgrades (Higher Voltage Rating) Parts with identical capacitance and tolerance but elevated voltage ratings (100V DC or 250V DC) provide increased safety margin and derating capability. These upgrades are suitable for applications where higher voltage headroom is required or where component consolidation across multiple voltage classes is desired.

Critical Substitution Parameters:

Capacitance value must remain 0.047 µF
Voltage rating must equal or exceed 63V DC
Mounting configuration must remain Through Hole Radial
Lead spacing must remain 0.197 inches (5.00 mm)
Operating temperature range must remain -55°C to 125°C
Dielectric material must remain polyester-based (metallized)

Parameter Comparison

Part Number	Manufacturer	Capacitance (µF)	Tolerance	Voltage DC (V)	Voltage AC (V)	Packaging	Inventory (Pcs)	Substitution Type
168473K63A-F	CDE	0.047	±10%	63	40	Bulk	882	Reference Part
168473J100C-F	CDE	0.047	±5%	100	63	Bulk	2609	Voltage + Tolerance Upgrade
B32529C0473K000	EPCOS - TDK	0.047	±10%	63	40	Bulk	8020	Direct Equivalent
B32529C0473K289	EPCOS - TDK	0.047	±10%	63	40	Cut Tape (CT)	13156	Direct Equivalent
B32529C0473J000	EPCOS - TDK	0.047	±5%	63	40	Bulk	20401	Tolerance Upgrade
B32529C0473J289	EPCOS - TDK	0.047	±5%	63	40	Cut Tape (CT)	10564	Tolerance Upgrade
B32529C1473J000	EPCOS - TDK	0.047	±5%	100	63	Bulk	8123	Voltage + Tolerance Upgrade
B32529C1473J289	EPCOS - TDK	0.047	±5%	100	63	Cut Tape (CT)	3454	Voltage + Tolerance Upgrade
B32529C1473K000	EPCOS - TDK	0.047	±10%	100	63	Bulk	9230	Voltage Upgrade
B32529C1473K289	EPCOS - TDK	0.047	±10%	100	63	Cut Tape (CT)	12597	Voltage Upgrade
B32529C3473J000	EPCOS - TDK	0.047	±5%	250	160	Bulk	44260	Voltage + Tolerance Upgrade

Engineering Selection Recommendations

For Direct Replacement (No Circuit Redesign Required):

Select B32529C0473K000 or B32529C0473K289 when inventory of the original 168473K63A-F is depleted. Both parts maintain identical electrical specifications (0.047 µF, ±10%, 63V DC) and mechanical compatibility. The EPCOS B3252* series carries AEC-Q200 automotive qualification and ROHS3 compliance, matching the regulatory status of the original part. Choose B32529C0473K289 (Cut Tape packaging) for automated assembly processes; select B32529C0473K000 (Bulk packaging) for manual or semi-automated operations.

For Tolerance Improvement (Precision-Critical Applications):

Select B32529C0473J000 or B32529C0473J289 to upgrade from ±10% to ±5% tolerance while maintaining the 63V DC rating. This substitution is appropriate for circuits where capacitance drift directly impacts frequency response, filtering accuracy, or timing functions. Both parts are ROHS3 compliant and AEC-Q200 rated.

For Voltage Margin Enhancement (Reliability Improvement):

Select B32529C1473K000, B32529C1473K289, B32529C1473J000, or B32529C1473J289 to increase the voltage rating from 63V DC to 100V DC. This upgrade provides additional derating margin in applications subject to voltage transients, thermal stress, or long-term reliability requirements. The 100V DC rating allows operation at reduced stress levels, extending component life. All variants maintain the 0.047 µF capacitance and are ROHS3 compliant with AEC-Q200 certification.

For Maximum Voltage Headroom (High-Reliability Applications):

Select B32529C3473J000 for applications requiring the highest voltage margin. This part provides 250V DC rating with ±5% tolerance and maintains 0.047 µF capacitance. Note that this part has a larger physical footprint (0.287" L x 0.138" W, 8.00 mm height) compared to the reference part (0.256" height). PCB layout verification is required before substitution.

Compliance and Certification Status:

All substitute parts maintain ROHS3 compliance and REACH Unaffected status. EPCOS B3252* series parts carry AEC-Q200 automotive qualification, suitable for automotive and industrial applications requiring enhanced reliability screening. All parts operate across the identical temperature range (-55°C to 125°C).

Frequently Asked Questions (FAQ)

Q1: Can I substitute the 168473K63A-F with a higher voltage-rated part without affecting circuit performance?

A: Yes. Substituting with a higher voltage-rated part (100V DC or 250V DC) does not degrade circuit performance. The capacitance value remains 0.047 µF, and the component operates at lower electrical stress. Higher voltage ratings provide additional safety margin and are suitable for all applications where the original 63V DC part was specified.

Q2: What is the difference between ±10% and ±5% tolerance, and does it matter for my application?

A: Tolerance specifies the allowable deviation of actual capacitance from the nominal 0.047 µF value. ±10% allows deviation from 0.0423 µF to 0.0517 µF; ±5% allows deviation from 0.0447 µF to 0.0493 µF. Tighter tolerance (±5%) is required for precision filtering, timing circuits, or frequency-dependent applications. For general-purpose decoupling or EMI suppression, ±10% tolerance is typically sufficient.

Q3: Are EPCOS B32529C parts direct replacements for the CDE 168473K63A-F?

A: Yes, when comparing identical electrical specifications. B32529C0473K000 and B32529C0473K289 are direct equivalents with matching capacitance (0.047 µF), voltage rating (63V DC), and tolerance (±10%). The primary differences are manufacturer, dielectric construction (PET vs. standard polyester), and packaging format. All parts are ROHS3 compliant and suitable for the same applications.

Q4: What is the significance of the packaging codes "289" and "000" in EPCOS part numbers?

A: The packaging code indicates the delivery format. Code "289" designates Cut Tape (CT) packaging, suitable for automated pick-and-place assembly. Code "000" designates Bulk packaging, suitable for manual assembly or tape-and-reel conversion. Electrical specifications are identical; selection depends on assembly process requirements.

Q5: Can I use B32529C3473J000 (250V DC) in place of the 168473K63A-F (63V DC) if my PCB has space constraints?

A: The B32529C3473J000 has a larger physical footprint (0.315" seated height vs. 0.256" for the reference part) and wider body (0.138" vs. 0.098"). PCB layout verification is mandatory before substitution. If space permits, the higher voltage rating provides enhanced reliability. If space is constrained, select B32529C1473K000 or B32529C1473K289 (100V DC rating with identical footprint to the reference part).

Q6: Are all substitute parts suitable for automotive applications?

A: EPCOS B3252* series parts carry AEC-Q200 automotive qualification. The original CDE 168473K63A-F does not specify automotive certification. If automotive qualification is required, select any EPCOS B32529C substitute part. All EPCOS variants listed maintain ROHS3 compliance and are suitable for automotive and industrial environments.

Q7: What is the lead spacing, and why is it important for substitution?

A: Lead spacing is 0.197 inches (5.00 mm) for all listed parts. This dimension determines PCB hole pattern compatibility. All substitute parts maintain identical lead spacing, ensuring direct PCB compatibility without layout modifications. Verify lead spacing before substitution if using parts from sources not listed in this reference.

Q8: Do I need to test substitute parts before deployment?

A: All parts listed are from active product lines with full compliance documentation. Electrical and mechanical parameters are verified by manufacturers. Substitution within the specified parameter ranges does not require additional testing for applications where the original part was qualified. However, application-specific validation is recommended for mission-critical or high-reliability systems.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message