160334K63C-F Film Capacitor Equivalent & Substitute Parts

Part Overview

The 160334K63C-F is a 0.33 µF film capacitor manufactured by Cornell Dubilier Electronics (CDE) with a 63V DC voltage rating and ±10% tolerance. This component features polyester metallized dielectric construction in a radial through-hole package. The part is classified as obsolete, necessitating identification of active equivalent and substitute components for ongoing design support and procurement continuity.

Key Parameters

Parameter	Value
Capacitance	0.33 µF
Tolerance	±10%
Voltage Rating - DC	63V
Voltage Rating - AC	40V
Dielectric Material	Polyester, Metallized
Operating Temperature Range	-55°C ~ 105°C
Mounting Type	Through Hole
Package / Case	Radial
Termination	PC Pins
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the 160334K63C-F is determined by strict equivalence across the following electrical and mechanical parameters:

Electrical Equivalence Criteria:

Capacitance value: 0.33 µF (exact match required)
Voltage rating: Minimum 63V DC (equal or higher acceptable)
Tolerance: ±10% or tighter (±5% acceptable as upgrade)
Dielectric material: Polyester, Metallized (functionally equivalent)
Operating temperature: Minimum -55°C to +105°C range

Mechanical Compatibility Criteria:

Mounting type: Through Hole (required)
Package type: Radial (required)
Termination: PC Pins (required)
Lead spacing: Physical board layout constraint
Physical dimensions: Space availability constraint

Substitute parts are grouped into three categories:

Direct CDE Series Equivalents (167334K63A-F, 168334K63H-F, 184334K63RAA-F, 184334K63RAB-F, 185334K63RHA-F, 185334K63RHB-F): Active production parts from Cornell Dubilier Electronics with identical electrical specifications and radial through-hole construction. These differ in physical dimensions and lead spacing, requiring board layout verification.
Cross-Manufacturer Equivalents (B32529C0334K000, B32529C0334K189): EPCOS/TDK Electronics parts with identical capacitance, voltage rating, tolerance, and dielectric material. These are automotive-qualified (AEC-Q200) with compact form factors.
Electrical Upgrade (B32521C1334J000): EPCOS/TDK part with higher voltage rating (100V DC) and tighter tolerance (±5%), suitable for applications requiring enhanced voltage margin.
Voltage Upgrade (B32521C3334J000): EPCOS/TDK part with significantly higher voltage rating (250V DC), applicable only when circuit design permits higher voltage components.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Tolerance	Voltage DC	Voltage AC	Dielectric	Temp Range	Lead Spacing	Status	Packaging
160334K63C-F	CDE	0.33 µF	±10%	63V	40V	Polyester, Metallized	-55°C ~ 105°C	0.394" (10.00mm)	Obsolete	Bulk
167334K63A-F	CDE	0.33 µF	±10%	63V	40V	Polyester, Metallized	-55°C ~ 125°C	0.295" (7.50mm)	Active	Bulk
168334K63H-F	CDE	0.33 µF	±10%	63V	40V	Polyester, Metallized	-55°C ~ 125°C	0.197" (5.00mm)	Active	Bulk
184334K63RAA-F	CDE	0.33 µF	±10%	63V	40V	Polyester, Metallized	-55°C ~ 125°C	0.295" (7.50mm)	Active	Tape & Reel
184334K63RAB-F	CDE	0.33 µF	±10%	63V	40V	Polyester, Metallized	-55°C ~ 125°C	0.295" (7.50mm)	Active	Tape & Reel
185334K63RHA-F	CDE	0.33 µF	±10%	63V	40V	Polyester, Metallized	-55°C ~ 125°C	0.197" (5.00mm)	Active	Tape & Reel
185334K63RHB-F	CDE	0.33 µF	±10%	63V	40V	Polyester, Metallized	-55°C ~ 125°C	0.197" (5.00mm)	Active	Tape & Reel
B32521C1334J000	EPCOS/TDK	0.33 µF	±5%	100V	63V	Polyester, PET, Metallized - Stacked	-55°C ~ 125°C	0.394" (10.00mm)	Active	Bulk
B32521C3334J000	EPCOS/TDK	0.33 µF	±5%	250V	160V	Polyester, PET, Metallized - Stacked	-55°C ~ 125°C	0.394" (10.00mm)	Active	Bulk
B32529C0334K000	EPCOS/TDK	0.33 µF	±10%	63V	40V	Polyester, PET, Metallized - Stacked	-55°C ~ 125°C	0.197" (5.00mm)	Active	Bulk
B32529C0334K189	EPCOS/TDK	0.33 µF	±10%	63V	40V	Polyester, PET, Metallized - Stacked	-55°C ~ 125°C	0.197" (5.00mm)	Active	Cut Tape

Engineering Selection Recommendations

Primary Substitutes (Direct Electrical Equivalents):

For applications requiring identical electrical performance with active production status, the following CDE parts provide direct substitution:

167334K63A-F and 184334K63RAA-F / 184334K63RAB-F: Identical electrical specifications with extended operating temperature range (-55°C to 125°C versus -55°C to 105°C). Lead spacing of 0.295" (7.50mm) requires board layout verification against original 0.394" (10.00mm) spacing.
168334K63H-F, 185334K63RHA-F, and 185334K63RHB-F: Compact form factor with 0.197" (5.00mm) lead spacing. Suitable for space-constrained applications. Extended temperature range to 125°C.

All CDE substitutes maintain ROHS3 compliance and polyester metallized dielectric construction.

Cross-Manufacturer Equivalents (EPCOS/TDK):

B32529C0334K000 and B32529C0334K189: Functionally equivalent with identical capacitance, voltage rating, and tolerance. Compact 0.197" (5.00mm) lead spacing. AEC-Q200 automotive qualification provides enhanced reliability documentation. Available in bulk and cut tape packaging.
B32521C1334J000: Electrical upgrade with 100V DC rating and ±5% tolerance (tighter than original ±10%). Maintains 0.394" (10.00mm) lead spacing matching original part. Suitable for applications requiring improved voltage margin and tolerance performance. AEC-Q200 qualified.

Voltage Upgrade (High-Voltage Application):

B32521C3334J000: 250V DC rating with 160V AC rating. Physical dimensions increase to 0.512" L x 0.197" W with 0.433" maximum height. Selection limited to applications where circuit design accommodates higher voltage component. AEC-Q200 qualified.

Packaging Considerations:

Original 160334K63C-F supplied in bulk packaging. CDE Series 184 and 185 parts available in Tape & Reel format for automated assembly. EPCOS/TDK B32529 series available in Cut Tape format for mixed-volume procurement.

Frequently Asked Questions (FAQ)

Q: Can 167334K63A-F directly replace 160334K63C-F on existing PCBs?

A: Electrical substitution is valid. However, lead spacing differs: 167334K63A-F has 0.295" (7.50mm) spacing versus original 0.394" (10.00mm). Board layout verification is required. Physical dimensions also differ (0.413" L x 0.138" W versus 0.512" L x 0.157" W), requiring space clearance confirmation.

Q: What is the difference between 168334K63H-F and 185334K63RHA-F?

A: Both parts have identical electrical specifications and compact 0.197" (5.00mm) lead spacing. Primary difference is packaging: 168334K63H-F supplied in bulk; 185334K63RHA-F supplied in Tape & Reel format. Selection depends on procurement and assembly requirements.

Q: Is B32521C1334J000 a suitable replacement for 160334K63C-F?

A: Yes, for applications where higher voltage rating (100V DC versus 63V DC) and tighter tolerance (±5% versus ±10%) are acceptable. Electrical performance is enhanced. Lead spacing matches original at 0.394" (10.00mm). Physical dimensions are identical. AEC-Q200 automotive qualification provides additional reliability assurance.

Q: Why does B32529C0334K189 have higher inventory than other equivalents?

A: B32529C0334K189 is supplied in Cut Tape packaging, which accommodates both manual and automated assembly workflows. This packaging format supports higher volume procurement and mixed-quantity orders, resulting in greater stock availability.

Q: Can B32521C3334J000 be used in place of 160334K63C-F?

A: Electrical substitution is valid only if circuit design permits 250V DC rated components. Physical dimensions increase (0.512" L x 0.197" W with 0.433" height), requiring board layout verification. This part is suitable only for applications where higher voltage rating is beneficial or required.

Q: What does ROHS3 compliance mean for these capacitors?

A: ROHS3 compliance indicates conformance to Restriction of Hazardous Substances Directive 3, restricting lead, cadmium, mercury, hexavalent chromium, and specified brominated flame retardants. All listed substitutes maintain ROHS3 compliance, ensuring regulatory alignment with original part.

Q: Are CDE and EPCOS/TDK parts interchangeable in automotive applications?

A: CDE parts are general-purpose rated. EPCOS/TDK B32529 and B32521 series carry AEC-Q200 automotive qualification. For automotive applications, EPCOS/TDK parts provide documented reliability and qualification status. CDE parts require application-specific qualification assessment.

Q: What is the significance of operating temperature range differences?

A: Original 160334K63C-F operates -55°C to 105°C. All active substitutes extend to -55°C to 125°C. Extended upper temperature limit provides margin for high-ambient or high-dissipation applications. For applications operating below 105°C, both specifications are functionally equivalent.

Q: How do physical dimensions affect PCB redesign requirements?

A: Original part dimensions are 0.512" L x 0.157" W with 0.394" lead spacing. Compact alternatives (168334K63H-F, 185334K63RHA-F, B32529C0334K000) measure 0.283-0.287" L x 0.118-0.138" W with 0.197" lead spacing. Significant size reduction enables board space optimization but requires PCB footprint modification. Larger EPCOS/TDK parts (B32521 series) maintain original dimensions, minimizing redesign effort.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message