BQ024D0334K Equivalent & Substitute Parts

Part Overview

The BQ024D0334K is a 0.33 µF film capacitor manufactured by KYOCERA AVX, rated for 63V DC with ±10% tolerance. This radial polyester metallized capacitor operates across -55°C to 100°C and is designed for general-purpose applications. The part is currently obsolete, making equivalent substitutes necessary for ongoing production and maintenance requirements.

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 ~ 100°C
Mounting Type	Through Hole
Package / Case	Radial
Termination	PC Pins
Lead Spacing	0.200" (5.08mm)

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following mandatory parameters:

Capacitance value: 0.33 µF (exact match required)
Voltage rating: Minimum 63V DC and 40V AC
Dielectric material: Polyester, Metallized
Mounting type: Through Hole Radial
Termination: PC Pins
Lead spacing: 5.00mm to 5.08mm (mechanical compatibility)

Substitute parts are grouped into two categories:

Direct Equivalents (±10% Tolerance): Parts matching the original tolerance specification, suitable for direct replacement without circuit redesign.

Upgraded Alternatives (±5% Tolerance): Parts with tighter tolerance specifications and extended operating temperature ranges (-55°C to 125°C), offering improved performance characteristics while maintaining electrical compatibility.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Tolerance	Voltage (DC)	Voltage (AC)	Temp Range	Lead Spacing	Packaging	Product Status
BQ024D0334K	KYOCERA AVX	0.33 µF	±10%	63V	40V	-55°C ~ 100°C	0.200" (5.08mm)	Radial	Obsolete
BFC237011334	Vishay Beyschlag/Draloric/BC Components	0.33 µF	±10%	63V	40V	-55°C ~ 100°C	0.200" (5.08mm)	Bulk	Active
168334J63H-F	Cornell Dubilier Electronics (CDE)	0.33 µF	±5%	63V	40V	-55°C ~ 125°C	0.197" (5.00mm)	Bulk	Active
168334K63H-F	Cornell Dubilier Electronics (CDE)	0.33 µF	±10%	63V	40V	-55°C ~ 125°C	0.197" (5.00mm)	Bulk	Active
185334J63RHA-F	Cornell Dubilier Electronics (CDE)	0.33 µF	±5%	63V	40V	-55°C ~ 125°C	0.197" (5.00mm)	Tape & Reel (TR)	Active
185334J63RHB-F	Cornell Dubilier Electronics (CDE)	0.33 µF	±5%	63V	40V	-55°C ~ 125°C	0.197" (5.00mm)	Tape & Reel (TR)	Active
185334K63RHA-F	Cornell Dubilier Electronics (CDE)	0.33 µF	±10%	63V	40V	-55°C ~ 125°C	0.197" (5.00mm)	Tape & Reel (TR)	Active
185334K63RHB-F	Cornell Dubilier Electronics (CDE)	0.33 µF	±10%	63V	40V	-55°C ~ 125°C	0.197" (5.00mm)	Tape & Reel (TR)	Active
B32529C0334J000	EPCOS - TDK Electronics	0.33 µF	±5%	63V	40V	-55°C ~ 125°C	0.197" (5.00mm)	Bulk	Active
B32529C0334J289	EPCOS - TDK Electronics	0.33 µF	±5%	63V	40V	-55°C ~ 125°C	0.197" (5.00mm)	Cut Tape (CT)	Active
B32529C0334K000	EPCOS - TDK Electronics	0.33 µF	±10%	63V	40V	-55°C ~ 125°C	0.197" (5.00mm)	Bulk	Active

Engineering Selection Recommendations

Direct Replacement (Matching ±10% Tolerance):

BFC237011334 from Vishay Beyschlag/Draloric/BC Components provides the closest functional match to the obsolete BQ024D0334K. This part maintains identical electrical specifications and temperature range while offering active product status and AEC-Q200 automotive qualification.

Upgraded Performance Options:

Cornell Dubilier Electronics (CDE) 168334K63H-F and 185334K63RHA-F/185334K63RHB-F series offer ±10% tolerance matching with extended operating temperature to 125°C and RoHS3 compliance. The 168334 series is available in bulk packaging, while the 185334 series is supplied in Tape & Reel format for automated assembly.

EPCOS - TDK Electronics B32529C0334K000 provides ±10% tolerance with extended temperature range, AEC-Q200 automotive rating, and RoHS3 compliance. This part features a more compact footprint (0.287" L x 0.118" W) compared to the original specification.

For applications requiring tighter tolerance control, ±5% alternatives include 168334J63H-F (CDE), 185334J63RHA-F/185334J63RHB-F (CDE), B32529C0334J000, and B32529C0334J289 (EPCOS - TDK Electronics).

All substitute parts maintain through-hole radial mounting with PC pin termination and are compatible with standard PCB layouts designed for 5.00mm to 5.08mm lead spacing.

Frequently Asked Questions (FAQ)

Q: Can I use a ±5% tolerance part as a direct replacement for the ±10% original?

A: Yes. A ±5% tolerance part is a tighter specification and is electrically compatible with circuits designed for ±10% tolerance. The actual capacitance value will fall within both tolerance bands.

Q: Are there mechanical compatibility concerns between parts with 5.00mm and 5.08mm lead spacing?

A: Lead spacing differences of 0.08mm are within standard PCB manufacturing tolerances for through-hole radial capacitors. Both spacings are mechanically compatible with standard 0.2" (5.08mm) pitch PCB layouts.

Q: What is the difference between Bulk, Cut Tape, and Tape & Reel packaging?

A: Bulk packaging is suitable for manual assembly or small-volume production. Cut Tape (CT) provides individual component strips for semi-automated handling. Tape & Reel (TR) is optimized for high-speed automated assembly equipment. Electrical specifications remain identical across all packaging formats.

Q: Why do some substitutes have extended temperature ranges (-55°C to 125°C vs. -55°C to 100°C)?

A: Extended temperature range indicates the component maintains specified electrical characteristics across a wider operating window. This provides design margin for applications subject to thermal stress, though it is not required for direct replacement in circuits designed for the original -55°C to 100°C range.

Q: Are all substitute parts RoHS3 compliant?

A: The EPCOS - TDK Electronics B3252* series and Cornell Dubilier Electronics 168 and 185 series are RoHS3 compliant. The Vishay BFC237011334 is also RoHS3 compliant. All listed substitutes meet current environmental compliance requirements.

Q: Which substitute offers the best availability?

A: B32529C0334J289 (EPCOS - TDK Electronics) in Cut Tape format shows the highest inventory level at 9,396 pieces. B32529C0334J000 (Bulk) and B32529C0334K000 (Bulk) also maintain substantial stock levels above 6,000 pieces.

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