Equivalent & Substitute Parts for 12103C274KA16A

Part Overview

The 12103C274KA16A is a 0.27 µF ceramic capacitor manufactured by KYOCERA AVX, rated for 25V operation with X7R temperature coefficient in 1210 (3225 Metric) surface mount package. This part is Active status and currently in stock with 995 units available. The part is classified for general purpose applications and operates across the -55°C to 125°C temperature range.

Substitute parts are identified to provide alternatives with enhanced electrical ratings, improved compliance certifications, or expanded inventory availability while maintaining core functional compatibility within the 1210 package form factor and X7R dielectric specification.

Substiute Parts

12103C274KA16A

KYOCERA AVXIn Stock: 105812103C274KA16A Datasheet

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12105C274JAT2A

KYOCERA AVXIn Stock: 524712105C274JAT2A Datasheet

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12105C274KAT2A

KYOCERA AVXIn Stock: 520012105C274KAT2A Datasheet

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C1210C274K5RAC7800

KEMETIn Stock: 5139C1210C274K5RAC7800 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 12103C274KA16A is determined by the following criteria:

Core Compatibility Requirements:

• Capacitance value: 0.27 µF (exact match required)
• Temperature coefficient: X7R (exact match required)
• Package / Case: 1210 (3225 Metric) (exact match required)
• Mounting type: Surface Mount, MLCC (exact match required)
• Operating temperature range: -55°C to 125°C (exact match required)
• Moisture sensitivity level: 1 (Unlimited) (exact match required)

Allowable Variations:

• Voltage rating: May be equal to or greater than 25V
• Tolerance: May be ±5% or ±10%
• Manufacturer: Different manufacturers permitted
• Packaging format: Tape & Reel acceptable as alternative to bulk packaging
• RoHS and REACH compliance: Enhanced compliance levels acceptable

All three substitute parts meet these criteria and are qualified for direct replacement in applications designed for the 12103C274KA16A.

Parameter Comparison

Engineering Selection Recommendations

12105C274JAT2A (KYOCERA AVX): This substitute provides upgraded voltage rating (50V vs. 25V) with tighter tolerance specification (±5% vs. ±10%). It maintains KYOCERA AVX manufacturer continuity and achieves ROHS3 compliance and REACH Unaffected status. Inventory availability is significantly higher at 5159 units. Thickness remains at 0.037" (0.94mm), ensuring compatibility with existing PCB layouts.

12105C274KAT2A (KYOCERA AVX): This substitute offers upgraded voltage rating (50V vs. 25V) while maintaining ±10% tolerance matching the main part. It provides ROHS3 compliance and REACH Unaffected status with 5105 units in stock. Manufacturer and package specifications remain identical to the main part, with thickness at 0.037" (0.94mm).

C1210C274K5RAC7800 (KEMET): This substitute provides upgraded voltage rating (50V vs. 25V) with ±10% tolerance and ROHS3 compliance. KEMET is an alternative manufacturer with 5067 units available. Thickness is 0.039" (1.00mm), representing a 0.002" increase from the main part specification. This part is specified for Bypass and Decoupling applications.

All three substitutes are Active status products with unlimited moisture sensitivity rating and are suitable for direct replacement in applications where the 12103C274KA16A is currently specified.

Frequently Asked Questions (FAQ)

Q: Can 12105C274JAT2A replace 12103C274KA16A in all applications?

A: Yes. The 12105C274JAT2A maintains identical capacitance (0.27 µF), temperature coefficient (X7R), package (1210), and operating temperature range (-55°C to 125°C). The upgraded voltage rating (50V vs. 25V) and tighter tolerance (±5% vs. ±10%) provide enhanced performance margins without functional incompatibility.

Q: What is the difference between 12105C274JAT2A and 12105C274KAT2A?

A: Both parts are KYOCERA AVX 0.27 µF 50V X7R 1210 capacitors with identical physical dimensions and electrical ratings. The primary difference is tolerance specification: 12105C274JAT2A offers ±5% tolerance, while 12105C274KAT2A offers ±10% tolerance. Selection depends on circuit tolerance requirements.

Q: Is the KEMET C1210C274K5RAC7800 compatible with the original part?

A: Yes. The C1210C274K5RAC7800 meets all core compatibility requirements: 0.27 µF capacitance, X7R temperature coefficient, 1210 package, and -55°C to 125°C operating range. The thickness specification is 0.039" (1.00mm) versus 0.037" (0.94mm) for the main part, representing a 0.002" difference that must be evaluated against PCB layout constraints.

Q: Why do substitute parts have higher voltage ratings?

A: The substitute parts are specified at 50V versus the main part's 25V rating. Higher voltage ratings provide increased design margin and reliability in applications where voltage stress may vary. This is an allowable substitution parameter and does not create functional incompatibility.

Q: What packaging format is used for the substitute parts?

A: All three substitute parts are supplied in Tape & Reel (TR) format, which is standard for high-volume surface mount assembly. The main part packaging format is not specified in the provided data. Tape & Reel format is compatible with automated pick-and-place assembly equipment.

Q: Are there compliance differences between the main part and substitutes?

A: Yes. The main part 12103C274KA16A is RoHS non-compliant and REACH Affected. All three substitute parts are ROHS3 Compliant and REACH Unaffected, providing enhanced regulatory compliance for applications subject to RoHS3 and REACH requirements.