08052C391KAT4A Ceramic Capacitor - Equivalent & Substitute Parts

Part Overview

The 08052C391KAT4A is a 390 pF ceramic capacitor manufactured by KYOCERA AVX, rated for 200V with X7R temperature coefficient in 0805 (2012 Metric) surface mount package. This part maintains Active product status and is RoHS3 compliant. Equivalent substitute parts are required to maintain design flexibility, support supply chain continuity, and provide alternatives when the primary manufacturer part reaches extended lead times or inventory constraints.

Substiute Parts

08052C391KAT4A

KYOCERA AVXIn Stock: 84908052C391KAT4A Datasheet

Current PartRFQ

CC0805KRX7RABB391

YAGEOIn Stock: 8858CC0805KRX7RABB391 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 08052C391KAT4A is determined by strict equivalence across the following electrical and mechanical parameters:

• Capacitance Value: 390 pF (exact match required)
• Tolerance: ±10% (defines acceptable variance band)
• Voltage Rating: 200V minimum (equal or greater acceptable)
• Temperature Coefficient: X7R (ensures stable capacitance across operating temperature range)
• Operating Temperature Range: -55°C ~ 125°C (minimum required performance envelope)
• Package Format: 0805 (2012 Metric) surface mount (ensures mechanical and thermal compatibility)
• Mounting Type: Surface Mount MLCC (constrains to leadless multilayer ceramic capacitor architecture)
• Compliance Standards: RoHS3 Compliant, REACH Unaffected status

The YAGEO CC0805KRX7RABB391 meets all substitution criteria as a direct electrical and mechanical equivalent.

Parameter Comparison

Engineering Selection Recommendations

Both the 08052C391KAT4A (KYOCERA AVX) and CC0805KRX7RABB391 (YAGEO) are Active status products suitable for production deployment. Selection between these parts is driven by supply availability, procurement lead time, and inventory position rather than technical performance differences.

The YAGEO CC0805KRX7RABB391 is qualified as a direct substitute where KYOCERA AVX sourcing is constrained. Both parts carry RoHS3 compliance and REACH Unaffected designation, satisfying regulatory requirements for electronics manufacturing. Identical electrical performance, temperature stability, and package compatibility ensure seamless integration into existing PCB designs without circuit redesign.

Frequently Asked Questions (FAQ)

Q: Can the YAGEO CC0805KRX7RABB391 be used as a drop-in replacement for the KYOCERA AVX 08052C391KAT4A?

A: Yes. Both parts share identical capacitance (390 pF), tolerance (±10%), voltage rating (200V), temperature coefficient (X7R), operating temperature range (-55°C ~ 125°C), and 0805 (2012 Metric) surface mount package. No circuit design changes are required.

Q: Are there differences in physical dimensions between these parts?

A: Both parts conform to the 0805 (2012 Metric) package standard with equivalent board-level footprints. Minor dimensional variance (2.01mm vs. 2.00mm length) falls within manufacturing tolerance and does not affect PCB assembly compatibility.

Q: Do both parts meet current compliance and regulatory requirements?

A: Both parts carry RoHS3 Compliant status and REACH Unaffected designation. Each part qualifies for production use in regulated markets without additional compliance burden.

Q: What factors determine when substitution is appropriate?

A: Substitution is appropriate when the source part experiences supply constraints, extended lead times, or inventory depletion. Electrical specifications remain identical, eliminating technical justification requirements for design change approval.

Q: Is the X7R temperature coefficient critical to this substitution?

A: Yes. The X7R temperature coefficient defines stable capacitance performance across the full -55°C ~ 125°C operating range. Both parts share this specification, ensuring equivalent thermal behavior in deployed circuits.