Equivalent & Substitute Parts for 08051U161FAT2A

Part Overview

The 08051U161FAT2A is a 160 pF ±1% ceramic capacitor manufactured by KYOCERA AVX, rated for 100V operation with C0G/NP0 temperature coefficient characteristics. This component is designed for RF, microwave, and high-frequency applications, featuring ultra-low ESR performance in a 0805 (2012 Metric) surface-mount package. The part is currently classified as obsolete, necessitating identification of functionally equivalent alternatives for ongoing design support and procurement.

Substiute Parts

08051U161FAT2A

KYOCERA AVXIn Stock: 76808051U161FAT2A Datasheet

Current PartRFQ

08051U151FAT2A

KYOCERA AVXIn Stock: 426108051U151FAT2A Datasheet

MFR RecommendedRFQ

C0805C161F1GAC7800

KEMETIn Stock: 1033C0805C161F1GAC7800 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 08051U161FAT2A is determined by the following critical parameters:

Primary Substitution Criteria:

• Capacitance value: 160 pF (exact match required for direct substitution)
• Voltage rating: 100V minimum
• Temperature coefficient: C0G/NP0 (mandatory for frequency stability)
• Package: 0805 (2012 Metric) surface-mount form factor
• Tolerance: ±1% (electrical performance matching)

Secondary Compatibility Factors:

• Operating temperature range: -55°C to 125°C
• RoHS3 compliance and MSL rating 1 (environmental and handling requirements)

The substitute parts identified maintain electrical equivalence across all critical parameters while offering active product status and improved availability compared to the obsolete main part.

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalent (Preferred): The C0805C161F1GAC7800 (KEMET) provides exact capacitance matching at 160 pF and maintains all critical electrical parameters. This part is currently active in production, ensuring long-term availability. The reduced thickness (0.035" vs. 0.045") offers a secondary benefit for space-constrained PCB layouts while maintaining full electrical compatibility.

Alternative Substitute (Capacitance Deviation): The 08051U151FAT2A (KYOCERA AVX) represents a 6.25% capacitance reduction (150 pF vs. 160 pF) while maintaining identical voltage rating, temperature coefficient, and package specifications. This part is active and available from the original manufacturer. Selection of this alternative requires circuit-level analysis to confirm acceptable performance at the reduced capacitance value.

Both substitute parts maintain ROHS3 compliance and MSL rating 1, ensuring compatibility with standard manufacturing and storage protocols.

Frequently Asked Questions (FAQ)

Q: Can the 08051U151FAT2A be used as a direct replacement for the 08051U161FAT2A?

A: The 08051U151FAT2A differs in capacitance value (150 pF vs. 160 pF), representing a 6.25% reduction. Direct substitution is possible only if circuit design tolerances accommodate this capacitance deviation. All other electrical and mechanical parameters are identical.

Q: What is the primary advantage of the C0805C161F1GAC7800 substitute?

A: The C0805C161F1GAC7800 provides exact capacitance matching (160 pF) and is manufactured by KEMET, an active supplier. The reduced thickness (0.035" maximum) may provide PCB layout advantages in space-constrained applications.

Q: Are all substitute parts compatible with existing PCB designs?

A: All substitute parts use the 0805 (2012 Metric) surface-mount package with identical footprint dimensions. The C0805C161F1GAC7800 has a reduced maximum thickness (0.035" vs. 0.045"), which does not affect PCB compatibility but may provide clearance benefits.

Q: Do the substitute parts maintain the same environmental compliance?

A: Yes. All substitute parts are ROHS3 compliant with MSL rating 1 (unlimited moisture sensitivity level), matching the original part's environmental specifications.

Q: Which substitute should be selected for RF and microwave applications?

A: The C0805C161F1GAC7800 is recommended for RF and microwave applications due to exact capacitance matching and active product status. The C0G/NP0 temperature coefficient and low ESL characteristics are maintained across all substitute options.