Equivalent & Substitute Parts for 08055C103KAT4H

Part Overview

The 08055C103KAT4H is a 10000 pF ceramic capacitor manufactured by KYOCERA AVX, rated for 50V operation with X7R temperature coefficient characteristics. This surface mount multilayer ceramic capacitor (MLCC) in 0805 (2012 Metric) package is designed for general purpose applications across industrial and commercial electronics. The part maintains active product status with ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Equivalent and substitute parts are identified to provide design flexibility, supply chain alternatives, and application-specific options while maintaining electrical and mechanical compatibility.

Substiute Parts

08055C103KAT4H

KYOCERA AVXIn Stock: 79008055C103KAT4H Datasheet

Current PartRFQ

KAF21BR71H103KM

KYOCERA AVXIn Stock: 13521KAF21BR71H103KM Datasheet

UpgradeRFQ

MA0805XR103K500

MeritekIn Stock: 528891MA0805XR103K500 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 08055C103KAT4H are qualified based on strict electrical and mechanical parameter matching. All substitute candidates must satisfy the following criteria:

Mandatory Matching Parameters:

• Capacitance: 10000 pF
• Tolerance: ±10%
• Voltage Rating: 50V (minimum)
• Temperature Coefficient: X7R
• Operating Temperature Range: -55°C to 125°C (minimum)
• Package / Case: 0805 (2012 Metric)
• Mounting Type: Surface Mount, MLCC
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)

Substitution Categories:

Upgrade Substitute (Enhanced Features): KAF21BR71H103KM from KYOCERA AVX represents an upgrade path with identical electrical specifications but includes soft termination technology and AEC-Q200 automotive qualification. This part is suitable for applications requiring enhanced mechanical reliability and automotive-grade performance.

Direct Substitute (Alternative Manufacturer): MA0805XR103K500 from Meritek provides electrical and functional equivalence with identical capacitance, tolerance, voltage, and temperature characteristics. Physical dimensions show minor variation (0.083" L vs. 0.079" L) within standard 0805 package tolerances, maintaining PCB footprint compatibility.

Parameter Comparison

Engineering Selection Recommendations

For Standard General Purpose Applications: The 08055C103KAT4H remains the primary selection. All three parts are electrically and mechanically equivalent for general purpose circuit applications. Selection between main part and direct substitute MA0805XR103K500 depends on supply availability and procurement lead times, as both deliver identical electrical performance.

For Automotive and Boardflex-Sensitive Applications: The KAF21BR71H103KM upgrade substitute is specified for designs requiring AEC-Q200 automotive qualification and soft termination technology. This part is suitable for automotive electronics, flex circuit applications, and designs subject to mechanical stress or vibration. The FLEXITERM® series designation indicates enhanced mechanical reliability characteristics.

For Supply Chain Optimization: The MA0805XR103K500 from Meritek provides an alternative sourcing option with significantly higher inventory availability (528,815 pcs vs. 708 pcs for main part). This direct substitute maintains full electrical equivalence and is appropriate for high-volume production runs where supply continuity is critical.

Compliance Considerations: All three parts maintain ROHS3 compliance, unlimited MSL rating, and active product status. No compliance barriers exist for cross-substitution within this group. Physical dimension variation between MA0805XR103K500 (0.083" L) and the other parts (0.079" L) remains within standard 0805 package tolerances and does not affect PCB footprint compatibility.

Frequently Asked Questions (FAQ)

Q: Can KAF21BR71H103KM be used as a direct replacement for 08055C103KAT4H in existing designs?

A: Yes. The KAF21BR71H103KM is electrically and mechanically equivalent with identical capacitance (10000 pF), tolerance (±10%), voltage rating (50V), temperature coefficient (X7R), and package (0805). The soft termination feature and AEC-Q200 rating represent enhancements that do not affect compatibility. No circuit redesign is required.

Q: What is the difference between the main part and MA0805XR103K500?

A: Both parts are functionally equivalent with identical electrical specifications. The primary difference is manufacturer (KYOCERA AVX vs. Meritek) and physical length tolerance (0.079" vs. 0.083"), which falls within standard 0805 package specifications. MA0805XR103K500 offers significantly higher inventory availability for supply chain flexibility.

Q: Is the soft termination feature in KAF21BR71H103KM necessary for my application?

A: Soft termination is not required for standard general purpose applications. It provides enhanced mechanical reliability for designs subject to flex stress, vibration, or thermal cycling. Selection depends on application-specific mechanical requirements, not electrical performance.

Q: Can these parts be used interchangeably on the same PCB assembly?

A: Yes, all three parts share identical 0805 (2012 Metric) package specifications and PCB footprints. The minor length variation in MA0805XR103K500 (0.083" vs. 0.079") is within standard tolerance and does not affect placement or soldering. Parts can be mixed in production if supply constraints require it.

Q: Are there any temperature or voltage derating considerations when substituting?

A: No. All three parts operate across the identical temperature range (-55°C to 125°C) with the same 50V voltage rating. No derating or thermal management adjustments are necessary when substituting between these parts.

Q: What is the significance of the X7R temperature coefficient?

A: X7R indicates a temperature coefficient of ±15% across the full operating range (-55°C to 125°C). This specification is identical across all three parts and ensures stable capacitance performance in temperature-variable environments. X7R is standard for general purpose and automotive applications.

Q: Does MSL 1 (Unlimited) rating affect handling procedures?

A: MSL 1 (Unlimited) indicates no moisture sensitivity. These parts do not require special dry-pack storage, desiccant handling, or bake-out procedures before soldering. Standard warehouse storage conditions are acceptable for all three parts.

Q: Which part should I select for high-volume production?

A: MA0805XR103K500 is recommended for high-volume production due to significantly higher inventory availability (528,815 pcs). This ensures consistent supply and reduces procurement lead times. Electrical performance is identical to the main part.