BF014D0122K Equivalent & Substitute Parts

Part Overview

The BF014D0122K is a 1200 pF film capacitor manufactured by KYOCERA AVX, designed for general-purpose applications with a 63V DC voltage rating and ±10% tolerance. This component features a polyester metallized dielectric in a radial through-hole package. The part is currently obsolete, making identification of suitable substitute components essential for ongoing system support and maintenance.

Substiute Parts

BF014D0122K

KYOCERA AVXIn Stock: 958BF014D0122K Datasheet

Current PartRFQ

B32520C3104K000

EPCOS - TDK ElectronicsIn Stock: 12484B32520C3104K000 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the BF014D0122K is determined by the following critical parameters:

• Capacitance Value: 1200 pF nominal with ±10% tolerance
• Voltage Rating - DC: Minimum 63V; higher ratings are acceptable
• Dielectric Type: Polyester or equivalent film material, metallized construction
• Mounting Configuration: Through-hole radial package
• Lead Spacing: 0.200" (5.08mm) or compatible spacing for PCB layout
• Operating Temperature: -55°C to 100°C minimum range

The substitute part B32520C3104K000 meets these criteria with enhanced specifications in voltage rating and temperature range, ensuring functional compatibility while providing improved performance margins.

Parameter Comparison

Engineering Selection Recommendations

The B32520C3104K000 serves as a functional substitute for the obsolete BF014D0122K based on the following engineering criteria:

Voltage Margin: The substitute provides 250V DC rating versus the original 63V requirement, delivering a 3.97x safety margin for voltage stress conditions.

Temperature Performance: Extended operating range to 125°C provides improved thermal headroom compared to the original 100°C maximum.

Compliance Status: The substitute is ROHS3 compliant and carries AEC-Q200 automotive qualification, whereas the original part is RoHS non-compliant. This addresses regulatory requirements for new designs and manufacturing environments.

Active Availability: The substitute maintains active production status with 12,416 units in stock, ensuring supply chain continuity for the obsolete original part.

Physical Compatibility Consideration: Lead spacing differs (7.50mm versus 5.08mm). PCB layout verification is required to confirm mechanical fit within the original footprint.

Frequently Asked Questions (FAQ)

Q: Can B32520C3104K000 directly replace BF014D0122K without circuit modification?

A: Electrical substitution is valid based on capacitance, tolerance, and voltage rating parameters. However, the increased lead spacing (7.50mm vs. 5.08mm) requires PCB layout verification to confirm physical fit in the original mounting holes.

Q: What is the capacitance difference between these parts?

A: The main part is 1200 pF; the substitute is 0.1 µF (100,000 pF). This represents an 83.3x increase in capacitance value. Substitution is valid only if circuit design permits this capacitance change.

Q: Does the higher voltage rating of the substitute affect circuit performance?

A: Higher voltage rating does not degrade performance in the application circuit. The 250V rating provides additional safety margin and does not alter the capacitive behavior at operating voltages below 63V.

Q: Is RoHS compliance a factor in selecting the substitute?

A: RoHS compliance status is relevant for manufacturing environments and regulatory requirements. The substitute's ROHS3 compliance addresses modern environmental and safety standards, whereas the original part does not meet these requirements.

Q: What should be verified before implementing this substitution?

A: Verify PCB layout compatibility with the 7.50mm lead spacing, confirm circuit design permits the capacitance value change, and validate thermal performance within the -55°C to 125°C operating range.